CN206546405U - New small current system is grounded microcomputer line selection apparatus - Google Patents
New small current system is grounded microcomputer line selection apparatus Download PDFInfo
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- CN206546405U CN206546405U CN201720140338.6U CN201720140338U CN206546405U CN 206546405 U CN206546405 U CN 206546405U CN 201720140338 U CN201720140338 U CN 201720140338U CN 206546405 U CN206546405 U CN 206546405U
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- module
- control module
- line selection
- current system
- small current
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Abstract
The utility model discloses a kind of new small current system ground connection microcomputer line selection apparatus, including CPU central processing modules, acquisition module, relay control module, communication module, display, key operation module, harmonic elimination control module and speech control module, acquisition module, relay control module, communication module, harmonic elimination control module, display, key operation module, harmonic elimination control module and speech control module are connected with CPU central processing modules, the acquisition module is connected with the voltage transformer summation current transformer, the harmonic elimination control module includes photoelectric isolating circuit and the controllable silicon being connected with the photoelectric isolating circuit, the speech control module includes speech processing module and voice amplification circuit.The utility model is using a kind of new small current system ground connection microcomputer line selection apparatus of said structure, and the reliable cost of route selection is low while progress voice message, reduces the workload of staff.
Description
Technical field
The utility model is related to line selection device for low current, and microcomputer route selection is grounded more particularly, to a kind of new small current system
Device.
Background technology
Existing Small Electric Current Earthing And Routing Device is which bar line-to-ground directly displayed or print when having device action,
After device alarm, user goes to check and is not grounded really sometimes during the circuit, adds staff's when judging by accident
Work.Existing device is only merely display faulty line simultaneously, it is impossible to draw specific abnormal conditions, it is impossible to user one
Accurate information, makes route selection unreliable, and device does not have harmonic elimination function, only increases harmonic elimination apparatus in addition, and increase is used into
This.
Utility model content
The purpose of this utility model is to provide a kind of new small current system ground connection microcomputer line selection apparatus, the reliable cost of route selection
It is low at the same carry out voice message, reduce staff workload.
To achieve the above object, the utility model provides a kind of new small current system ground connection microcomputer line selection apparatus, bag
Include CPU central processing modules, acquisition module, relay control module, communication module, display, key operation module, harmonic elimination control
Molding block and speech control module, the acquisition module, the relay control module, the communication module, the harmonic elimination
Control module, the display, harmonic elimination control module, speech control module, and the key operation module with the CPU
Central processing module is connected, and the acquisition module is connected with the voltage transformer summation current transformer, the harmonic elimination control
Molding block includes photoelectric isolating circuit and the controllable silicon being connected with the photoelectric isolating circuit, and the speech control module includes
Speech processing module and voice amplification circuit.
It is preferred that, the relay control module is made up of several photoelectric isolating circuits, the photoelectric isolating circuit by
Miniaturized flat coupler and resistance are constituted.
It is preferred that, the miniaturized flat coupler is TLP127 chips.
It is preferred that, the CPU central processing modules are 32 RAM processors.
It is preferred that, photoelectric isolating circuit in the harmonic elimination control module is TLP127 chips, the TLP127 chips with
Triode is provided between the controllable silicon.
It is preferred that, the speech processing module is ISD4004 speech chips.
It is preferred that, the communication module is RS485 interface circuits, and the RS485 interface circuits are communicated with supervisor.
It is preferred that, it is additionally provided with filter circuit between the acquisition module and the CPU central processing modules.
Therefore, the utility model is using a kind of new small current system ground connection microcomputer line selection apparatus of said structure, route selection
Reliable cost is low while progress voice message, reduces the workload of staff.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is a kind of new small current system ground connection microcomputer line selection apparatus schematic diagram of the utility model；
Fig. 2 is a kind of new small current system ground connection microcomputer line selection apparatus partial circuit diagram of the utility model.
Reference
1st, CPU central processing modules；2nd, acquisition module；3rd, filter circuit；4th, relay control module；5th, communication module；
6th, supervisor；7th, harmonic elimination control module；8th, display；9th, key operation module；10th, speech control module；11st, mutual induction of voltage
Device；12nd, current transformer.
Embodiment
Embodiment
Fig. 1 is a kind of new small current system ground connection microcomputer line selection apparatus schematic diagram of the utility model, and Fig. 2 is this practicality
New a kind of new small current system ground connection microcomputer line selection apparatus partial circuit diagram, as illustrated, including CPU central processing modules
1st, acquisition module 2, relay control module 4, communication module 5, display 8 and key operation module 9, acquisition module 2, relay
Device control module 4, communication module 5, harmonic elimination control module 7, display 8 and key operation module 9 handle mould with CPU centers
Block 1 is connected, in addition to the harmonic elimination control module 7 and speech control module 10 being connected with CPU central processing modules 1, collection
Module 2 is connected with the summation current transformer 12 of voltage transformer 11, and the present embodiment selects zero sequential potential transformer and zero-sequence current
Transformer, while collection voltages and current signal, are provided with filter circuit 3 between acquisition module 2 and CPU central processing modules 1,
Digital filtering elimination interference is carried out to the signal of collection, analyzed and processed by CPU central processing modules 1, the present embodiment CPU
Central processing module 1 makes apparatus function distribution more reasonable from 32 RAM processors, and response speed faster, is run more steady
It is fixed, with multiple route selection criterion, make route selection more reliable, harmonic elimination control module 7 includes photoelectric isolating circuit and electric with Phototube Coupling
The controllable silicon that road is connected, photoelectric isolating circuit can greatly improve signal to noise ratio, improve the reliability of route selection, harmonic elimination control mould
Photoelectric isolating circuit in block 7 is TLP127 chips, triode is provided between TLP127 chips and controllable silicon, for amplifying control
Signal, harmonic elimination control module 7 can rapidly eliminate magnet resonance.Speech control module 10 includes speech processing module and voice
Amplifying circuit, speech processing module is ISD4004 speech chips, and 8 to 16 minutes recording playback time, tonequality is good, and chip uses CMOS
Technology, includes oscillator, anti-aliasing filter, smoothing filter, audio-frequency amplifier, automatic silencing and many electrical level flash of high density
Storage display.Can very true, reproducing speech, music, tone and effect sound naturally, avoid general solid recording circuit
Quantizing noise and " metallic sound " caused by quantifying and compressing.Can be with voice broadcast fault wire and other information.Control
Module 4 is made up of several photoelectric isolating circuits, and photoelectric isolating circuit is made up of miniaturized flat coupler and resistance, miniaturized flat
Coupler is TLP127 chips, makes device lighter, for follow-up security control and controlling alarm.Communication module 5 is selected
RS485 interface circuits, RS485 interface circuits are communicated with supervisor 6, by transmitting fault information, are beaten while can also connect
Print machine is printed.
Therefore, the utility model is using a kind of new small current system ground connection microcomputer line selection apparatus of said structure, route selection
Reliable cost is low while progress voice message, reduces the workload of staff.
Above is embodiment of the present utility model, but protection domain of the present utility model should not be limited to this.Appoint
What those skilled in the art is in the technical scope disclosed by the utility model, the change or replacement that can be readily occurred in,
It should all cover within protection domain of the present utility model, therefore protection domain of the present utility model should be limited with claims
Fixed protection domain is defined.
Claims (8)
1. a kind of new small current system ground connection microcomputer line selection apparatus, including CPU central processing modules (1), acquisition module (2),
Relay control module (4), communication module (5), display (8) and key operation module (9), the acquisition module (2), institute
State relay control module (4), the communication module (5), the display (8) and the key operation module (9) with
The CPU central processing modules (1) are connected, it is characterised in that：Also include being connected with the CPU central processing modules (1)
Harmonic elimination control module (7) and speech control module (10), the acquisition module (2) and voltage transformer (11) and Current Mutual Inductance
Device (12) is connected, and the harmonic elimination control module (7) includes photoelectric isolating circuit and is connected with the photoelectric isolating circuit
Controllable silicon, the speech control module (10) includes speech processing module and voice amplification circuit.
2. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：It is described after
Electrical control module (4) is made up of several photoelectric isolating circuits, and the photoelectric isolating circuit is by miniaturized flat coupler and electricity
Resistance is constituted.
3. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 2, it is characterised in that：It is described small
The flat coupler of type is TLP127 chips.
4. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：It is described
CPU central processing modules (1) are 32 RAM processors.
5. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：It is described to disappear
Photoelectric isolating circuit in humorous control module (7) is TLP127 chips, is provided between the TLP127 chips and the controllable silicon
Triode.
6. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：Institute's predicate
Sound processing module is ISD4004 speech chips.
7. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：It is described logical
It is RS485 interface circuits to interrogate module (5), and the RS485 interface circuits are communicated with supervisor (6).
8. a kind of new small current system ground connection microcomputer line selection apparatus according to claim 1, it is characterised in that：It is described to adopt
Filter circuit (3) is additionally provided between collection module (2) and the CPU central processing modules (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140338.6U CN206546405U (en) | 2017-02-16 | 2017-02-16 | New small current system is grounded microcomputer line selection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720140338.6U CN206546405U (en) | 2017-02-16 | 2017-02-16 | New small current system is grounded microcomputer line selection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206546405U true CN206546405U (en) | 2017-10-10 |
Family
ID=59993985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720140338.6U Expired - Fee Related CN206546405U (en) | 2017-02-16 | 2017-02-16 | New small current system is grounded microcomputer line selection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206546405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061383A (en) * | 2018-08-08 | 2018-12-21 | 安徽亚辉电气自动化有限公司 | A kind of microcomputer line selection device for low current |
-
2017
- 2017-02-16 CN CN201720140338.6U patent/CN206546405U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061383A (en) * | 2018-08-08 | 2018-12-21 | 安徽亚辉电气自动化有限公司 | A kind of microcomputer line selection device for low current |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20180216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |