CN204759602U - Appearance is differentiated to intelligence table trouble - Google Patents
Appearance is differentiated to intelligence table trouble Download PDFInfo
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- CN204759602U CN204759602U CN201520299614.4U CN201520299614U CN204759602U CN 204759602 U CN204759602 U CN 204759602U CN 201520299614 U CN201520299614 U CN 201520299614U CN 204759602 U CN204759602 U CN 204759602U
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- 108090000565 Capsid Proteins Proteins 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 39
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- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to an appearance is differentiated to intelligence table trouble, including casing, liquid crystal display, button and install the automatically controlled unit in the casing, the casing be in the same place by procapsid and back casing lock, and this casing includes the demonstration section on upper portion and handheld section of lower part, liquid crystal display is installed to the demonstration section of procapsid, installs the display lamp that a plurality of even intervals set up in the demonstration section of this liquid crystal display below, a plurality of buttons are installed to the handheld section of procapsid, a plurality of connecting pieces that the installation face system of procapsid has even interval to set up, it is fluted to the installation face system of back casing that should the connecting piece. The utility model discloses about convenient to carry, test time shortened to one minute, the concurrent operation was simple and convenient, was applicable to on -the -spot operation maintainer and used, and personnel are done to the unskilled labor can accomplish the operation, easy operation, and the interface is clear, powerful to accurate judgement failure cause has the value of extensive popularization and application.
Description
Technical field
The utility model belongs to field of power, especially a kind of intelligent meter fault distinguishing instrument.
Background technology
At present, the low voltage communication medium of electric system mesolow power information acquisition system, mainly adopts low-voltage power line, and utilizes low-voltage carrier communication technology to carry out the collection of data.
This power information acquisition system, first by intelligent meter, the information such as table number, electricity, the amount of money being passed through built-in carrier module with line of electric force is carrier, is uploaded in the collector being arranged on corresponding platform district low-pressure side; By collector, information is uploaded collection main website by GPRS aspect again.
Along with the use of intelligent meter, marketing low pressure management mode generation respective change, per diem carry out the management of user, every day, the user profile to teletransmission collection was analyzed, and understood user power utilization situation, the problem that process in time finds; So just very high request is proposed to the promptness of teletransmission image data, accuracy.Current low-voltage customer power information gathers the bottleneck that success ratio becomes this new management mode of restriction.Low-voltage customer power information in electric system gathers success ratio can not reach 100%, it is mainly due to aspect that low-voltage carrier communication technology uses, by on data signal modulation to 220/380V low-voltage power line, fluctuation by electric power networks amplitude, frequency etc. is impacted and is affected, and the attenuation feature of perceptual device itself, the carrier communication module in intelligent electric meter is caused to become main consumable accessory in system, thus the entirety reducing acquisition system copies and accepts success ratio, and this impact is long-term and lasting.
To the unsuccessful solution of intelligent meter teletransmission be at present, first analysis foundation archives, after errorless, respective episode middle controller carrier module manufacturer technician and operation power is arranged to tie up family staff's on-site verification, the commissioning device of our company is utilized to debug, staff need carry the testing apparatus of two kinds of different carrier modes to gathering unsuccessful intelligent meter, and infrared test equipment, carries out fault distinguishing to intelligent meter.But traditional testing apparatus, need to use special receiving instrument or notebook computer, and connect carrier communication module, infrared test also separately needs a set of equipment, scene is carried, connecting test equipment, implement test bother all very much, test one piece of intelligent meter time average need 20 minutes, and due to element in connection circuit more, must be instructed by professional and technical personnel, cannot large area use.In actual use, traditional testing apparatus, because kind is more, not easily prepares, carries, often cause field staff intelligent fault table to be judged to be without exception the phenomenon that whole table fault is changed, cause the waste of a large amount of equipment funds.Change the equipment of a tool intelligent meter, labour cost is compared with replacing one piece of carrier module, exceed 8-10 doubly, this does not also comprise changes intelligent meter needs and to have a power failure the loss caused to user, after changing table, business change brings unnecessary trouble to user, repeatedly changes table and brings negative effect cannot estimate especially to intelligent meter quality.
Through retrieval, find one section of patent document relevant to present patent application: portable intelligent electric meter fault processing terminal, notification number: (CN203350955U), comprise CPU, keyboard, storer, IC-card interface, display screen, SAM card interface, printer and wireless module, the output terminal of described keyboard, IC-card interface is connected with the input end of CPU is unidirectional respectively; Described storer, wireless module and CPU are bi-directionally connected; The input end of described display screen is connected with the output terminal of CPU is unidirectional; Wireless module is bi-directionally connected by GPRS net, PSTN or ADSL and grid company data platform; The output terminal of described SAM card interface is connected with the input end of CPU is unidirectional; The input end of described printer is connected with the output terminal of CPU is unidirectional.
Find through contrast, the disclosure patent documentation and present patent application have relatively big difference in technical scheme.
Utility model content
The purpose of this utility model is the deficiency overcoming existing apparatus, provides a kind of intelligent meter fault distinguishing instrument, and this differentiation instrument structure is simple and can the fault of Quick intelligent electric meter.
Scheme of the present utility model is achieved in that
A kind of intelligent meter fault distinguishing instrument, the ECU (Electrical Control Unit) comprising housing, LCDs, button and be arranged in housing, described housing is snapped together by procapsid and back casing, this housing comprises the display segment on top and the handling section of bottom, the display segment of described procapsid is provided with LCDs, display segment below this LCDs is provided with the display lamp that multiple uniform intervals is arranged, the handling section of described procapsid is provided with multiple button;
The installed surface of described procapsid is integrally shaped with multiple web members that uniform intervals is arranged, to the installed surface of back casing of web member being shaped with groove.
And the top of described housing is provided with power lead, the side of this housing is provided with power switch.
And described handling section arranged on left and right sides is integrally shaped with the arc convex that multiple uniform intervals is arranged.
And the top of described back casing is shaped with the louvre of multiple uniform intervals setting.
And, described ECU (Electrical Control Unit) comprises the power line carrier module, the energy supply control module that are connected with alternating current 220V utility grid, power line carrier module is connected with carrier Control handover module, carrier Control handover module is connected with central processing unit, single-chip microcomputer is held with the data terminal of infrared communication module and the I/O of communication module respectively and is connected, by communication signal transmissions to communication module and display module, to display module output display signal, single-chip microcomputer and input through keyboard model calling, realize the exchanges data of Keyboard Control, described energy supply control module is for differentiating that instrument is powered.
And described power line carrier module specifically adopts ancient cooking vessel letter carrier module and Neusoft's carrier module of two parallel relationship, wherein,
Ancient cooking vessel letter carrier module, carrier chip model: TCC081C; Centre carrier frequency: 421kHz; Reference carrier frequency: 401kHz ~ 441kHz; Modulation system: BFSK; Carrier communication speed: 50/1200bps;
Neusoft's carrier module, carrier chip model: PLCI36G-III-E; Centre carrier frequency: 270kHz; Reference carrier frequency: 270kHz ± 15kHz; Modulation system: BFSK; Carrier communication speed: 330bps;
Above two kinds of carrier modules are in parallel relationship in whole circuit, but at one time in can only have one in running order, duty is controlled by the external hand switch of carrier Control handover module.
And described infrared communication module adopts the infrared communication module of TL-IRM838B2 model.
And described input through keyboard module is the QWERTY keyboard be connected with central processing unit by serial ports.
And described communication module comprises serial data receiving function integrated circuit MAX232CPE16 and interface integrated circuit LB184MAX485;
Described energy supply control module is VAD direct supply, adopts the power supply mode of the direct step-down rectifier of autotransformer, linear voltage stabilization.
Advantage of the present utility model and good effect are:
1, simple, the design science of the utility model structure rationally, be skillfully constructed, its upper and lower casing by web member can Fast Installation together, avoid using the links such as screw, effectively saved cost, enhanced productivity.
2, the utility model is by being shaped with louvre on back casing top, prevents electrical part overheated, extends serviceable life.
3, the utility model is by two kinds of low pressure carrier wave modulation systems (270kHz and 470kHz) using main in current electric system and intelligent meter is infrared copies and accepts mode, for the purpose of fault distinguishing, combine, formed one succinctly, intelligent meter fault distinguishing system easily.
4, the utility model is easy to carry, test duration shortens to about one minute, simultaneously easy and simple to handle, be applicable to on-the-spot operation maintenance librarian use, common staff gets final product complete operation, simple to operate, interface is clear, powerful, and accurate failure judgement reason, there is the value of wide popularization and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the mounting structure schematic diagram of procapsid in Fig. 1;
Fig. 4 is that the A-A of Fig. 3 is to cut-open view (comprising back casing);
Fig. 5 is theory diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail.
A kind of intelligent meter fault distinguishing instrument, as shown in Figure 1 and Figure 2, the ECU (Electrical Control Unit) comprising housing, LCDs 3, button 6 and be arranged in housing, described housing is snapped together by procapsid 10 and back casing 12, this housing comprises the display segment 1 on top and the handling section 5 of bottom, the display segment of described procapsid is provided with LCDs, display segment below this LCDs is provided with the display lamp 4 that multiple uniform intervals is arranged, this display lamp is for showing the state of the power supply of this differentiation instrument, power line carrier module, infrared, USB and operation conditions.The handling section of described procapsid is provided with multiple buttons of input operation information.
In the present embodiment, the top of described housing is provided with power lead 2, and the side of this housing is provided with power switch 8.For the ease of holding, described handling section arranged on left and right sides is integrally shaped with the arc convex 7 that multiple uniform intervals is arranged.
The top of described back casing is shaped with the louvre 9 of multiple uniform intervals setting, and its effect prevents differentiation instrument overheated and produces fault.
The mounting structure of the forward and backward housing of this differentiation instrument as shown in Figure 3, Figure 4, the installed surface of described procapsid is integrally shaped with multiple web members 11 of uniform intervals setting, to the installed surface of back casing of web member being shaped with groove 13, described forward and backward housing is plastic material, therefore can be inserted in groove smoothly by the elasticity of web member, make forward and backward housing easy for installation, quick, avoid using the links such as screw, effectively save cost, enhanced productivity.
The connection block diagram of described ECU (Electrical Control Unit) as shown in Figure 5, power line carrier module, carrier Control handover module, single-chip microcomputer, infrared communication module, energy supply control module, communication module, display module and input through keyboard module.
Communication port and the alternating current 220V utility grid of described power line carrier module are electrically connected to each other, power line carrier module is connected with carrier Control handover module, carrier Control handover module is connected with single-chip microcomputer, single-chip microcomputer is connected with the I/O port of infrared communication module and communication module respectively, by communication signal transmissions to communication module, the Asynchronous communications port of communication module is connected with long-range host computer by RS232 or USB interface, simultaneously, the liquid crystal output port of single-chip microcomputer is connected with display module, to display module output display signal, the button control output end mouth of single-chip microcomputer and input through keyboard model calling, realize the exchanges data of Keyboard Control, described energy supply control module is that whole system is powered.
Described power line carrier module specifically adopts ancient cooking vessel letter carrier module and Neusoft's carrier module of two parallel relationship, wherein,
(1) ancient cooking vessel letter carrier module, carrier chip model: TCC081C; Centre carrier frequency: 421kHz; Reference carrier frequency: 401kHz ~ 441kHz; Modulation system: BFSK; Carrier communication speed: 50/1200bps;
(2) Neusoft's carrier module, carrier chip model: PLCI36G-III-E; Centre carrier frequency: 270kHz; Reference carrier frequency: 270kHz ± 15kHz; Modulation system: BFSK; Carrier communication speed: 330bps;
Above two kinds of carrier modules are in parallel relationship in whole circuit, but at one time in can only have one in running order, the change of duty is responsible for coordination by single-chip microcomputer, is controlled by external switch, is applicable to the power communication of above two kinds of carrier modules.
Described infrared communication module adopts the infrared communication module of TL-IRM838B2 model (wide operating voltage 2.7V ~ 5.5V module package inner screening output level coupling TTL cmos circuit).
Described input through keyboard module comprises QWERTY keyboard input disc module, is communicated with single-chip microcomputer by serial ports.
Described communication module comprises serial data receiving function integrated circuit MAX232CPE (16) and interface integrated circuit LB184 (MAX485), realizes serial communication function and drives and serial data receiving function.
Described carrier Control handover module, can specifically adopt external hand control switch.
Described energy supply control module is VAD direct supply, adopts the power supply mode of the direct step-down rectifier of autotransformer, linear voltage stabilization, and it is received on the center line N of single phase alternating current power supply with reference to ground end GND.
It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in embodiment; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.
Claims (9)
1. an intelligent meter fault distinguishing instrument, it is characterized in that: the ECU (Electrical Control Unit) comprising housing, LCDs, button and be arranged in housing, described housing is snapped together by procapsid and back casing, this housing comprises the display segment on top and the handling section of bottom, the display segment of described procapsid is provided with LCDs, display segment below this LCDs is provided with the display lamp that multiple uniform intervals is arranged, the handling section of described procapsid is provided with multiple button;
The installed surface of described procapsid is integrally shaped with multiple web members that uniform intervals is arranged, to the installed surface of back casing of web member being shaped with groove.
2. intelligent meter fault distinguishing instrument according to claim 1, it is characterized in that: the top of described housing is provided with power lead, the side of this housing is provided with power switch.
3. intelligent meter fault distinguishing instrument according to claim 1 and 2, is characterized in that: described handling section arranged on left and right sides is integrally shaped with the arc convex that multiple uniform intervals is arranged.
4. intelligent meter fault distinguishing instrument according to claim 1 and 2, is characterized in that: the top of described back casing is shaped with the louvre of multiple uniform intervals setting.
5. intelligent meter fault distinguishing instrument according to claim 1 and 2, it is characterized in that: described ECU (Electrical Control Unit) comprises the power line carrier module be connected with alternating current 220V utility grid, energy supply control module, power line carrier module is connected with carrier Control handover module, carrier Control handover module is connected with central processing unit, single-chip microcomputer is held with the data terminal of infrared communication module and the I/O of communication module respectively and is connected, by communication signal transmissions to communication module and display module, to display module output display signal, single-chip microcomputer and input through keyboard model calling, realize the exchanges data of Keyboard Control, described energy supply control module is for differentiating that instrument is powered.
6. intelligent meter fault distinguishing instrument according to claim 5, is characterized in that: described power line carrier module specifically adopts ancient cooking vessel letter carrier module and Neusoft's carrier module of two parallel relationship, wherein,
Ancient cooking vessel letter carrier module, carrier chip model: TCC081C; Centre carrier frequency: 421kHz; Reference carrier frequency: 401kHz ~ 441kHz; Modulation system: BFSK; Carrier communication speed: 50/1200bps;
Neusoft's carrier module, carrier chip model: PLCI36G-III-E; Centre carrier frequency: 270kHz; Reference carrier frequency: 270kHz ± 15kHz; Modulation system: BFSK; Carrier communication speed: 330bps;
Above two kinds of carrier modules are in parallel relationship in whole circuit, but at one time in can only have one in running order, duty is controlled by the external hand switch of carrier Control handover module.
7. intelligent meter fault distinguishing instrument according to claim 5, is characterized in that: described infrared communication module adopts the infrared communication module of TL-IRM838B2 model.
8. intelligent meter fault distinguishing instrument according to claim 6, is characterized in that: described input through keyboard module is the QWERTY keyboard be connected with central processing unit by serial ports.
9. intelligent meter fault distinguishing instrument according to claim 6, is characterized in that: described communication module comprises serial data receiving function integrated circuit MAX232CPE16 and interface integrated circuit LB184MAX485;
Described energy supply control module is VAD direct supply, adopts the power supply mode of the direct step-down rectifier of autotransformer, linear voltage stabilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520299614.4U CN204759602U (en) | 2015-05-11 | 2015-05-11 | Appearance is differentiated to intelligence table trouble |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520299614.4U CN204759602U (en) | 2015-05-11 | 2015-05-11 | Appearance is differentiated to intelligence table trouble |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384497A (en) * | 2016-11-07 | 2017-02-08 | 郑州华力信息技术有限公司 | Portable electric operation and maintenance carrier meter reading adapter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384497A (en) * | 2016-11-07 | 2017-02-08 | 郑州华力信息技术有限公司 | Portable electric operation and maintenance carrier meter reading adapter |
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