CN202631629U - Electrical measurement device for realizing vibration detection and electrical measurement system - Google Patents
Electrical measurement device for realizing vibration detection and electrical measurement system Download PDFInfo
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- CN202631629U CN202631629U CN 201220151167 CN201220151167U CN202631629U CN 202631629 U CN202631629 U CN 202631629U CN 201220151167 CN201220151167 CN 201220151167 CN 201220151167 U CN201220151167 U CN 201220151167U CN 202631629 U CN202631629 U CN 202631629U
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Abstract
The utility model discloses an electrical measurement device for realizing vibration detection, comprising a signal collection device, a processor, a memory and a transmission terminal and further comprising an accelerometer, wherein an electrical network power line is in connection with the signal collection device; the processor is respectively in connection with the signal collection device, the accelerator, the memory and the transmission terminal. The electrical measurement device can detect and record external bump and vibration of the electrical measurement device and determine whether to stop copying or data processing in dependence on vibration grades to avoid data loss or damage; the structure is simple and the costs are low. The utility model meanwhile provides an electrical measurement system which comprises a plurality of the electrical measurement devices and a data collection device; the electrical measurement devices are in connection with the data collection device through the transmission terminal; the data collection device is in mutual communication with a far-end main station device.
Description
Technical field
The utility model relates to the electrical measurement field of electrical network user load, more particular it, the utility model is especially about a kind of electrical measuring device of realizing vibration detection.
Background technology
Current, ripe gradually to the transformation of network system and innovation, simultaneously because complicacy and multiple user's request that electrical network constitutes, the requirement of electrical measurement instrument is also progressively improved.Simultaneously, the function to the data reading transcribing system of different electric measurement instrument also is gradually improved.Electrical measuring device; Especially ammeter is originally when realizing normal electrical energy measurement and information acquisition; Should guarantee the stable of himself components and parts performance and suffer the grade of external environment influence or restriction; Otherwise, accurately errorless even the hardware and software of equipment itself can be accomplished, but still can't overcome the restriction of extraneous factor.
In order to address these problems; Requirement and improvement are all made through structural member and material to electrical measuring device by conventional instrument and meter manufacturer; For example realize water proof and dust proof or prevent temperature effect through increasing device interior space and seal degree, and for equipment clashed into or the situation of vibrating under, only the mode through reinforced member or integral solder obviously can't address this problem fully; And expend the cost of raw material; For example, ammeter when suffering serious bump or vibration, its data whether can intact preservation and copy reading be a problem that must face.
Summary of the invention
The utility model problem to be solved just provides a kind of electrical measuring device that can realize vibration detection; Can to the outside bump of electrical measuring device itself and vibration detects and record; And according to the vibration grade judge whether stop to copy or data processing; Prevent losing or damaging of data, simple in structure, cost is low.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of electrical measuring device of realizing vibration detection; It is characterized in that: it comprises signal pickup assembly, processor, storer and transmission ends; And further comprise accelerometer, and wherein electric network power line inserts signal pickup assembly, and said processor is connected to signal pickup assembly, accelerometer, storer and transmission ends respectively.
As preferably, said signal pickup assembly comprises at least one current transformer and voltage transformer (VT), in order to gathering the electric current and the voltage pulse signal of electric network power line, and these signals is transferred to processor.
As preferably; Said processor comprises A/D change-over circuit, computation chip and single-chip microcomputer; Said A/D change-over circuit received current and voltage pulse signal; Carry out analog to digital conversion and transfer to computation chip measuring computing, said computation chip draws metrical information and transfers to single-chip microcomputer and carries out data processing.
As preferably; Said accelerometer comprises a vibration transducer; And comprise that one converts the mechanical vibrational energy that senses the conversion equipment of electric energy into, and said vibration transducer and conversion equipment are of coupled connections, and the energy information that said conversion equipment will be changed gained transfers to single-chip microcomputer.
As preferably, metrical information and energy information after said single-chip microcomputer will be handled are stored to storer.
As preferably, be integrated with the FLASH unit of one group of preset order of a storage in the said single-chip microcomputer, said single-chip microcomputer is preset order according to this group and is judged whether store metrical information according to energy information.
As preferably, said transmission ends comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.
The utility model proposes a kind of electrical measuring systems simultaneously on this basis; It comprises several foregoing electrical measuring devices; And comprise a data harvester; Said electrical measuring device is connected to data collector through its transmission ends communication link, the intercommunication of said data collector and a far-end main website equipment.
As preferably, said transmission ends comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.
The beneficial effect of the utility model is conspicuous; Through bump and the vibration detection outside to electrical measuring device; Realized detection and the record of equipment itself, and judged whether stop to copy or data processing, prevented losing or damaging of data according to the grade of vibration to this type of incident.Simultaneously, electrical measuring device can be transferred to the main website of system with this type of event information, is convenient to prompting and plant maintenance.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the structure principle chart of the utility model electrical measuring device;
Fig. 2 is the electric energy of the utility model single-chip microcomputer and the detection control flow chart of metrical information;
Fig. 3 is the structure principle chart of a kind of optimum decision system of the utility model.
Embodiment
Embodiment one
With reference to Fig. 1; The utility model electrical measuring device 10 comprises signal pickup assembly 1, processor 2, storer 3 and transmission ends 4; And further comprise an accelerometer 5; Wherein electric network power line LIN inserts signal pickup assembly 1, and processor 2 is electrically connected to signal pickup assembly 1, accelerometer 5, storer 3 and transmission ends 4 respectively.
As preferably, said signal pickup assembly 1 comprises at least one current transformer and voltage transformer (VT) (not showing among the figure), in order to gathering current impulse I and the potential pulse U signal of electric network power line LIN, and these signals is transferred to processor 2.
As preferably; Said processor 2 comprises A/D change-over circuit 21, computation chip 22 and single-chip microcomputer 23; Said A/D change-over circuit 21 received current I and voltage U pulse signal; Carry out analog to digital conversion and transfer to computation chip 22 measuring computing, said computation chip 22 draws metrical information and transfers to single-chip microcomputer 23 and carries out data processing.
As preferably; Said accelerometer 5 comprises a vibration transducer (not illustrating among the figure); And comprise a conversion equipment that the mechanical vibrational energy that senses is converted into electric energy; Said vibration transducer and conversion equipment are of coupled connections, and the energy information that said conversion equipment will be changed gained transfers to single-chip microcomputer 23.
As preferably, metrical information and energy information after said single-chip microcomputer 23 will be handled are stored to storer 3.
As preferably, further be integrated with the FLASH unit of one group of preset order of a storage in the said single-chip microcomputer 23, single-chip microcomputer 23 is preset order according to this group and is judged whether store metrical information according to energy information.
As preferably, said transmission ends 4 comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.Wireless transmission circuit can be a radio frequency (RF) circuit, and it is through wireless network or transmission of electromagnetic energy numerical information.Perhaps, transmission ends 4 can be a power line carrier (PLC) telecommunication circuit, numerical information for example is modulated to communicate in 60Hz to the 80Hz scope.Or transmission ends 4 is provided with a light mouth communicating circuit, and it is through wireless network or low frequency RF and a copy reading equipment that has the corresponding light mouth equally, and for example hand-held set or PDA carry out data transmission.
With reference to Fig. 2; Wherein schematically described out the workflow diagram of the utility model electrical measuring device; In the preferred embodiment of the utility model; This flow process can realize that according to preset memory command of storing in its FLASH unit and parameter under normal circumstances, electric current I and voltage U signal that 10 pairs of harvesters 1 of electrical measuring device are induced carry out the sample circuit power calculation by single-chip microcomputer 23.It should be noted that; Describe in detail especially among Fig. 2 under vibration situation such as equipment 10 suffers for example to clash into; The counter-measure that single-chip microcomputer 23 has been done is provided with filtering circuit in accelerometer 5, to guarantee the infallibility of the electric power signal waveform that draws of being changed; Otherwise possibly cause misreading because some signal surging impacts circuit.
When single-chip microcomputer 23 received a non-zero electric power signal, its can judge to this signal, and call parameter L EVEL_I among the FLASH to judge;
If the amplitude of electric power signal exceeds this parameter, then single-chip microcomputer 23 generates an incident EVENT_SE, has set out the type and the relevant readings of this incident among this EVENT_SE, and single-chip microcomputer 23 can continue this signal waveform is received a Preset Time section T then;
At this moment the section T after; If still exceed the preset value of parameter L EVEL_I; Then single-chip microcomputer 23 will further be accomplished incident EVENT_SE, simultaneously the electric weight of load this moment settled accounts and the electric power consumption is stored in the storer 3, simultaneously in the preferred embodiment of the utility model; Can be on the display of electrical measuring device 10 with message reflection, perhaps pilot relay is operated a switch and is reported to the police;
If single-chip microcomputer 23 received electric power signal do not exceed the setting value of LEVEL_I, judge further then whether this signal exceeds in the set scope of parameter L EVEL_II;
If exceed LEVEL_II, then this signal waveform is continued to receive a preset time T according to aforementioned manner;
Behind the section T, signal waveform is analyzed at this moment, analysis draw stable after, accomplish this step;
If the setting that does not exceed LEVEL_II, then electrical measuring device 10 carries out normal electrical power measurement and copy reading work.
Embodiment two
With reference to Fig. 1; The utility model electrical measuring device 10 comprises signal pickup assembly 1, processor 2, storer 3 and transmission ends 4; And further comprise an accelerometer 5; Wherein electric network power line LIN inserts signal pickup assembly 1, and processor 2 is electrically connected to signal pickup assembly 1, accelerometer 5, storer 3 and transmission ends 4 respectively.
As preferably, said signal pickup assembly 1 comprises at least one copper-manganese Acquisition Circuit and dividing potential drop Acquisition Circuit (not showing among the figure), in order to gathering current impulse I and the potential pulse U signal of electric network power line LIN, and these signals is transferred to processor 2.
As preferably; Said processor 2 comprises A/D change-over circuit 21, computation chip 22 and single-chip microcomputer 23; Said A/D change-over circuit 21 received current I and voltage U pulse signal; Carry out analog to digital conversion and transfer to computation chip 22 measuring computing, said computation chip 22 draws metrical information and transfers to single-chip microcomputer 23 and carries out data processing.
As preferably; Said accelerometer 5 comprises a vibration transducer (not illustrating among the figure); And comprise a conversion equipment that the mechanical vibrational energy that senses is converted into electric energy; Said vibration transducer and conversion equipment are of coupled connections, and the energy information that said conversion equipment will be changed gained transfers to single-chip microcomputer 23.
As preferably, metrical information and energy information after said single-chip microcomputer 23 will be handled are stored to storer 3.
As preferably, further be integrated with the FLASH unit of one group of preset order of a storage in the said single-chip microcomputer 23, single-chip microcomputer 23 is preset order according to this group and is judged whether store metrical information according to energy information.
As preferably, said transmission ends 4 comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.Wireless transmission circuit can be a radio frequency (RF) circuit, and it is through wireless network or transmission of electromagnetic energy numerical information.Perhaps, transmission ends 4 can be a power line carrier (PLC) telecommunication circuit, numerical information for example is modulated to communicate in 60Hz to the 80Hz scope.Or transmission ends 4 is provided with a light mouth communicating circuit, and it is through wireless network or low frequency RF and a copy reading equipment that has the corresponding light mouth equally, and for example hand-held set or PDA carry out data transmission.
With reference to Fig. 2; Wherein schematically described out the workflow diagram of the utility model electrical measuring device; In the preferred embodiment of the utility model; This flow process can realize that according to preset memory command of storing in its FLASH unit and parameter under normal circumstances, electric current I and voltage U signal that 10 pairs of harvesters 1 of electrical measuring device are induced carry out the sample circuit power calculation by single-chip microcomputer 23.It should be noted that; Describe in detail especially among Fig. 2 under vibration situation such as equipment 10 suffers for example to clash into; The counter-measure that single-chip microcomputer 23 has been done is provided with filtering circuit in accelerometer 5, to guarantee the infallibility of the electric power signal waveform that draws of being changed; Otherwise possibly cause misreading because some signal surging impacts circuit.
When single-chip microcomputer 23 received a non-zero electric power signal, its can judge to this signal, and call parameter L EVEL_I among the FLASH to judge;
If the amplitude of electric power signal exceeds this parameter, then single-chip microcomputer 23 generates an incident EVENT_SE, has set out the type and the relevant readings of this incident among this EVENT_SE, and single-chip microcomputer 23 can continue this signal waveform is received a Preset Time section T then;
At this moment the section T after; If still exceed the preset value of parameter L EVEL_I; Then single-chip microcomputer 23 will further be accomplished incident EVENT_SE, simultaneously the electric weight of load this moment settled accounts and the electric power consumption is stored in the storer 3, simultaneously in the preferred embodiment of the utility model; Can be on the display of electrical measuring device 10 with message reflection, perhaps pilot relay is operated a switch and is reported to the police;
If single-chip microcomputer 23 received electric power signal do not exceed the setting value of LEVEL_I, judge further then whether this signal exceeds in the set scope of parameter L EVEL_II;
If exceed LEVEL_II, then this signal waveform is continued to receive a preset time T according to aforementioned manner;
Behind the section T, signal waveform is analyzed at this moment, analysis draw stable after, accomplish this step;
If the setting that does not exceed LEVEL_II, then electrical measuring device 10 carries out normal electrical power measurement and copy reading work.
With reference to Fig. 3; The utility model proposes a kind of electrical measuring systems simultaneously on this basis; It comprises several foregoing electrical measuring devices 10; And comprising a data harvester 20, said electrical measuring device 10 is connected to data collector 20 through its transmission ends 4 communication link, the intercommunication of said data collector 20 and a far-end main website equipment 30.
As preferably, said transmission ends 4 comprises at least one in radio-circuit, plc communication circuit and the optical transmission circuit.Wireless transmission circuit can be a radio frequency (RF) circuit, and it is through wireless network or transmission of electromagnetic energy numerical information.Perhaps, transmission ends 4 can be a power line carrier (PLC) telecommunication circuit, numerical information for example is modulated to communicate in 60Hz to the 80Hz scope.Or transmission ends 4 is provided with a light mouth communicating circuit, and it is through wireless network or low frequency RF and a copy reading equipment that has the corresponding light mouth equally, and for example hand-held set or PDA carry out data transmission.
The preferred embodiment of the utility model only embodies for the intention of describing in detail, is not to be the qualification to the utility model.Should understand, all modifications of making based on the utility model, variation or alternative features all should be covered by in the technological category of the utility model.
Claims (9)
1. electrical measuring device of realizing vibration detection; It is characterized in that: it comprises signal pickup assembly, processor, storer, transmission ends and accelerometer; Wherein electric network power line inserts signal pickup assembly, and said processor is connected to signal pickup assembly, accelerometer, storer and transmission ends respectively.
2. realize the electrical measuring device of vibration detection according to claim 1; It is characterized in that: said signal pickup assembly comprises at least one current transformer and voltage transformer (VT); In order to gathering the electric current and the voltage pulse signal of electric network power line, and these signals are transferred to processor.
3. realize the electrical measuring device of vibration detection according to claim 1; It is characterized in that: said processor comprises A/D change-over circuit, computation chip and single-chip microcomputer; Said A/D change-over circuit received current and voltage pulse signal; Carry out analog to digital conversion and transfer to computation chip measuring computing, said computation chip draws metrical information and transfers to single-chip microcomputer and carries out data processing.
4. realize the electrical measuring device of vibration detection according to claim 1; It is characterized in that: said accelerometer comprises a vibration transducer; And comprise a conversion equipment that the mechanical vibrational energy that senses is converted into electric energy; Said vibration transducer and conversion equipment are of coupled connections, and the energy information that said conversion equipment will be changed gained transfers to single-chip microcomputer.
5. like the electrical measuring device of the said realization vibration detection of claim 3; It is characterized in that: be integrated with the FLASH unit of one group of preset order of a storage in the said single-chip microcomputer, said single-chip microcomputer is preset order according to this group and is judged whether store metrical information according to energy information.
6. like the electrical measuring device of the said realization vibration detection of claim 4; It is characterized in that: be integrated with the FLASH unit of one group of preset order of a storage in the said single-chip microcomputer, said single-chip microcomputer is preset order according to this group and is judged whether store metrical information according to energy information.
7. realize the electrical measuring device of vibration detection according to claim 1, it is characterized in that: said transmission ends comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.
8. electrical measuring systems; It is characterized in that: it comprises several each described electrical measuring devices like claim 1～7; And comprise a data harvester; Said electrical measuring device is connected to data collector through its transmission ends communication link, the intercommunication of said data collector and a far-end main website equipment.
9. electrical measuring systems as claimed in claim 8 is characterized in that: said transmission ends comprises at least one in wireless transmission circuit, plc communication circuit and the optical transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220151167 CN202631629U (en) | 2012-04-11 | 2012-04-11 | Electrical measurement device for realizing vibration detection and electrical measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220151167 CN202631629U (en) | 2012-04-11 | 2012-04-11 | Electrical measurement device for realizing vibration detection and electrical measurement system |
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| Publication Number | Publication Date |
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| CN202631629U true CN202631629U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220151167 Expired - Fee Related CN202631629U (en) | 2012-04-11 | 2012-04-11 | Electrical measurement device for realizing vibration detection and electrical measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168811A (en) * | 2017-12-12 | 2018-06-15 | 电子科技大学 | The Portable acquiring analytical equipment and method of a kind of vibration signal |
-
2012
- 2012-04-11 CN CN 201220151167 patent/CN202631629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168811A (en) * | 2017-12-12 | 2018-06-15 | 电子科技大学 | The Portable acquiring analytical equipment and method of a kind of vibration signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20180411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |