CN206696346U - Multifunction instrument - Google Patents
Multifunction instrument Download PDFInfo
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- CN206696346U CN206696346U CN201720199352.3U CN201720199352U CN206696346U CN 206696346 U CN206696346 U CN 206696346U CN 201720199352 U CN201720199352 U CN 201720199352U CN 206696346 U CN206696346 U CN 206696346U
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- module
- main control
- multifunction instrument
- passage
- control module
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Abstract
The utility model provides a kind of multifunction instrument, including main control module；Electrically connected with main control module, inquire about the passage gating module of the output electric signal of sensor；Electrically connected with main control module and show the display module of the output signal of main control module；Also include bound protection module.After passage gating module inquires the output electric signal of sensor; the electric signal is delivered into active module; after main control module carries out respective handling to it; it is predetermined output signal by the transform electric of different frequency; it is delivered to display module to show the result of measurement, while bound protection module is set, instrument is caused to damage after avoiding the voltage x current of measurement from transfiniting; automatic conversion is carried out to the electric signal measured by passage gating module, improves multifunction instrument applicability.
Description
Technical field
Technology of instrument and meter field is the utility model is related to, more specifically to a kind of multifunction instrument.
Background technology
Multifunction instrument is a kind of with more work(such as programmable measurement, display, digital communication and the outputs of electrical energy pulse pick-up
Can intelligence instrument, electrical measurement can be completed, electric energy metrical, data shows, gather and transmitted, multifunctional electric meter is answered extensively
With the automation of transformation substations, power distribution automation, intelligent building, the electric energy measurement of enterprises, management, examination.
Multifunction instrument of the prior art is in use, it is impossible to frequency difference be present for the power network of different geographical
Concrete condition measure, cause needing multifunction electric meter facing with parameter measurements such as different frequency, different capacities
In the case of, the applicability of multifunction instrument is weaker, and its bound warning function is also required to further improve.
Therefore, applicability of the multifunction instrument under different frequency power network how is realized, is current those skilled in the art
Urgent problem to be solved.
Utility model content
In view of this, the utility model provides a kind of multifunction instrument, to realize multifunction instrument in different frequency electricity
Applicability off the net.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of multifunction instrument, it is characterised in that including：Rectification module, passage gating module, main control module, display mould
Block；
The rectification module has multiple rectification passages, and the output end of each rectification passage is selected with the passage respectively
Multiple inputs connection of logical module, for the multiple sensor signals received to be carried out into rectification, and is sent to the passage
Multiple inputs of gating module；
The output end and control terminal of the passage gating module are connected to the main control module, for according to the master
The control signal for controlling module determines the signalling channel to be exported；
The signal input part and control terminal of the display module are connected to the main control module, for according to the master
The control of control module carrys out display information；
The main control module is connected with the passage gating module and the display module respectively, for controlling the passage
Gating module selection signal passage, and the measurement result of the signalling channel is calculated, and control display module shows the survey
Measure result.
As an improvement the multifunction instrument also includes voltage/frequency modular converter, the voltage/frequency conversion
The input of module connects the output end of the passage gating module, and the output end of the voltage/frequency modular converter is connected to
The main control module, the voltage/frequency modular converter are used to the analog signal received being converted into digital pulse signal.
As a preferred embodiment, the voltage/frequency modular converter includes LM331 chips.
As an improvement the multifunction instrument also includes bound protection module, be connected to the rectification module with
Between the multiple sensor, the amplitude for limiting sensor input signal.
As an improvement the multifunction instrument also includes communication module, the communication module is connected to the master control
Module, the measurement result is output to miscellaneous equipment for the control according to the main control module.
As a preferred embodiment, the rectification module is active rectifying circuit, the active rectifying circuit includes LM324 cores
Piece.
As a preferred embodiment, the main control module includes AT89C51 system controllers.
As a preferred embodiment, the passage gating module includes CD4051 chips.
As a preferred embodiment, the display module includes eight segment numeral pipes.
As a preferred embodiment, the sensor is transformer.
Multifunction instrument provided by the utility model rectified module, logical before main control module is entered by sensor information
The processing of road gating module, voltage/frequency modular converter, the transform electric of different frequency can be believed for predetermined output
Number, it is delivered to display module and the result of measurement is shown, while bound protection module is set, avoid the voltage electricity of measurement
Stream causes to damage after transfiniting to instrument, carries out automatic conversion to the electric signal measured by passage gating module, improves more
Function instrument applicability.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the electrical connection schematic diagram of multifunction instrument provided by the utility model.
Embodiment
The utility model discloses a kind of multifunction instrument, realizes multifunction instrument being applicable under different frequency power network
Property.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in figure 1, Fig. 1 is the electrical connection schematic diagram of multifunction instrument provided by the utility model.
The utility model provides a kind of multifunction instrument, including：Rectification module 3, passage gating module 2, main control module
1st, display module 5.Rectification module 3 has multiple rectification passages, the output end of each rectification passage respectively with passage gating module 2
The connection of multiple inputs, for the multiple sensor signals received to be carried out into rectification, and be sent to passage gating module 2
Multiple inputs.The output end and control terminal of passage gating module 2 are connected to main control module 1, for according to main control module 1
Control signal determine the signalling channel to be exported.The signal input part and control terminal of display module 5 are connected to master control
Module 1, for according to the control of main control module come display information.Main control module 1 respectively with passage gating module 2 and display module
5 connections, for the selection signal passage of control passage gating module 2, and calculate the measurement result of the signalling channel, and control is aobvious
Show that module 5 shows the measurement result.
Multifunction instrument can connect multiple sensors, and to be acquired to different signals, sensor also can be as needed
The actual parameter of the electric signal of measurement is configured, and is further improved it and is applicable the ability of different electric parameters.Multi-functional instrument
In the table course of work, passage gating module 2 inquires about the output electric signal of each sensor successively, so as to realize to signal
Accurate sampling.The cooperation of passage gating module 2 and main control module 1, the electric signal that can be gathered to multiple sensor are carried out respectively
Measure, carry out automatic conversion between the electric signal of Bing Ge roads, improve multifunction instrument applicability.It will be surveyed by rectification module 3
Amount signal is converted to direct current signal, is easy to processing of the multifunction instrument to sampled signal, is suitable for the survey to different frequency power network
Amount application, improves multifunction instrument applicability.
In a kind of Fig. 1 preferred embodiment, multifunction instrument also includes voltage/frequency modular converter 4, voltage/frequency
The output end of the input interface channel gating module 2 of modular converter 4, the output end of voltage/frequency modular converter 4 are connected to master
Control module 1.Voltage/frequency modular converter 4 is used to the analog signal received being converted into digital pulse signal, facilitates master control mould
Collection of the block 1 to signal, so as to improve measurement accuracy.
In a kind of Fig. 1 preferred embodiment, voltage/frequency modular converter 4 is the circuit module for including LM331 chips.
In a kind of Fig. 1 preferred embodiment, multifunction instrument also includes bound protection module, is connected to the rectification
Between module and the multiple sensor, for the amplitude of limiting sensor input signal, avoiding the voltage x current of measurement transfinites
Afterwards instrument is caused to damage.
In a kind of Fig. 1 preferred embodiment, multifunction instrument also includes communication module 6, and communication module 6 is connected to master control
Module 1, for measurement result to be output into miscellaneous equipment according to the control of main control module 1, it is easy to the subsequent treatment of measurement result.
In a kind of Fig. 1 preferred embodiment, rectification module 3 is active rectifying circuit, and the active rectifying circuit includes
LM324 chips, the active rectification to AC signal can be achieved.
In a kind of Fig. 1 preferred embodiment, main control module 1 includes AT89C51 system controllers.
In a kind of Fig. 1 preferred embodiment, passage gating module 2 is the circuit module for including CD4051 chips, is passed through
Can complete to pass through 8 are controlled to select 1 function.
In a kind of Fig. 1 preferred embodiment, display module 5 is the circuit module for including eight segment numeral pipes, can complete word
The display function of symbol, numeral, so as to sampled signal to intuitively showing.
In a kind of Fig. 1 preferred embodiment, the sensor is transformer, can be adapted to automatically to different mains frequencies
Signal acquisition.
This utility model by rectification module 3, is led to by control of the main control module 1 to peripheral hardware and its calculation function
Road selecting module 2, voltage/frequency modular converter 4, bound protection module, communication module 6 etc. integrate, Model choices
Module 2 realizes the multifunctional measuring of instrument, coordinates main control module 1 to carry out data branches acquisition time when loop measures, and improves
The use range of multifunction instrument, and low manufacture cost, measurement precision is high, easy to use, stable performance.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. multifunction instrument, it is characterised in that including：Rectification module, passage gating module, main control module, display module；The rectification module has multiple rectification passages, and the output end of each rectification passage gates mould with the passage respectively Multiple inputs connection of block, for the multiple sensor signals received to be carried out into rectification, and it is sent to the passage gating Multiple inputs of module；The output end and control terminal of the passage gating module are connected to the main control module, for according to the master control mould The control signal of block determines the signalling channel to be exported；The signal input part and control terminal of the display module are connected to the main control module, for according to the master control mould The control of block carrys out display information；The main control module is connected with the passage gating module and the display module respectively, for controlling the passage to gate Module select signal passage, and the measurement result of the signalling channel is calculated, and control display module shows the measurement knot Fruit.
- 2. multifunction instrument as claimed in claim 1, it is characterised in that the multifunction instrument also turns including voltage/frequency Block is changed the mold, the input of the voltage/frequency modular converter connects the output end of the passage gating module, the voltage/frequency The output end of rate modular converter is connected to the main control module, and the voltage/frequency modular converter is used for the simulation that will be received Signal is converted into digital pulse signal.
- 3. multifunction instrument as claimed in claim 2, it is characterised in that the voltage/frequency modular converter includes LM331 cores Piece.
- 4. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the multifunction instrument also includes Bound protection module, it is connected between the rectification module and the multiple sensor, for limiting sensor input signal Amplitude.
- 5. multifunction instrument as claimed in claim 4, it is characterised in that the multifunction instrument also includes communication module, institute State communication module and be connected to the main control module, the measurement result is output to it for the control according to the main control module Its equipment.
- 6. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the rectification module is active whole Current circuit, the active rectifying circuit include LM324 chips.
- 7. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the main control module includes AT89C51 system controllers.
- 8. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the passage gating module includes CD4051 chips.
- 9. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the display module includes eight sections Charactron.
- 10. the multifunction instrument as any one of claim 1 or 2, it is characterised in that the sensor is transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199352.3U CN206696346U (en) | 2017-03-02 | 2017-03-02 | Multifunction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199352.3U CN206696346U (en) | 2017-03-02 | 2017-03-02 | Multifunction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696346U true CN206696346U (en) | 2017-12-01 |
Family
ID=60442292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720199352.3U Expired - Fee Related CN206696346U (en) | 2017-03-02 | 2017-03-02 | Multifunction instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696346U (en) |
-
2017
- 2017-03-02 CN CN201720199352.3U patent/CN206696346U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |