CN206339641U - A kind of low-temperature measurement in-situs tester - Google Patents
A kind of low-temperature measurement in-situs tester Download PDFInfo
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- CN206339641U CN206339641U CN201621360908.4U CN201621360908U CN206339641U CN 206339641 U CN206339641 U CN 206339641U CN 201621360908 U CN201621360908 U CN 201621360908U CN 206339641 U CN206339641 U CN 206339641U
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- module
- temperature measurement
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- master chip
- electric energy
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Abstract
The utility model belongs to measuring instrument technical field, propose a kind of low-temperature measurement in-situs tester, voltage-stabiliser tube, infrared communication module, 485 modules, electric energy metering module and the detection module including master chip and being connected with master chip, the voltage-stabiliser tube, the infrared communication module, 485 module, the electric energy metering module and the detection module are connected with power module, and the electric energy metering module is also connected with division module.By above-mentioned technical proposal, the problem of detector scope of application in the prior art is small, function is few is solved.
Description
Technical field
The utility model belongs to measuring instrument technical field, is related to a kind of low-temperature measurement in-situs tester.
Background technology
Low-temperature measurement in-situs tester is mainly used in power department staff to electric power meter field quick detection
Use.But detector of the prior art haves the shortcomings that not detecting that circuit whether there is electricity filching behavior in use,
The demand of three-phase electricity can be measured again by being not met by that single-phase electricity can be measured, and therefore, invention one kind can detect whether circuit has surreptitiously
Electrical phenomena, and single-phase electricity can be measured can measure the detector of demand of three-phase electricity or necessary.
Utility model content
The utility model proposes a kind of low-temperature measurement in-situs tester, the detector scope of application in the prior art is solved
The problem of small, function is few.
What the technical solution of the utility model was realized in：
A kind of low-temperature measurement in-situs tester, including：
Master chip and the voltage-stabiliser tube being connected with master chip, infrared communication module, 485 modules, electric energy metering module and inspection
Survey module, the voltage-stabiliser tube, the infrared communication module, 485 module, the electric energy metering module and the detection module
It is connected with power module, the electric energy metering module is also connected with division module.
Further, the also isolation module one including being arranged between 485 module and the master chip.
Further, the also isolation module two including being arranged between the power module and 485 module.
Further, the electric energy metering module is connected by isolation module three with the master chip.
Further, also including the equal wifi module being connected with the master chip, buzzer, real-time clock and JTAG modules.
Further, the wifi module and the master chip are connected with indicating module.
Further, the also pull-up resistor including being connected with the isolation module three and level switch module.
Further, the model ATmega1280 of the master chip.
Further, the detection module includes rectifier bridge, and the rectifier bridge input connects with the power module input
Ground wire and the neutral conductor connection connect, the positive pole of the rectification bridge output end is inputted with resistance R13, resistance R4, photo-coupler successively
A stitch is held to connect, the negative pole of the rectification bridge output end is connected with another stitch of photo-coupler input, the optocoupler
Clutch output head anode is connected with power module, and negative pole of output end is connected with the master chip, and negative pole of output end passes through electricity simultaneously
Hinder R15 ground connection.
Further, the metering module includes computation chip, the model THREEPHAS_ of the computation chip
IA+, IA-, IB+, IB-, IC+, IC-, VN, VC, VB and VA interface are provided with 78F0526A, and the computation chip.
The beneficial effects of the utility model are：
1st, voltage-stabiliser tube provides power supply for master chip in this practicality, and infrared communication module is used to receive and sending signal, 485 moulds
Block is used to provide 485 interfaces, and signal transmission is carried out with the external world, and electric energy metrical detection module is used for metered voltage, electric current and power,
And transmit signals to master chip, detection module be used to judging circuit whether reversal connection, when line reversal, detection module passes through
IS_L exports a high voltage, otherwise then exports low-voltage, and therefore, master chip can be according to the signal judging circuit received
No reversal connection, and signal is pointed out by indicating module to operating personnel, division module is used for the partial pressure of electric energy metering module.
By above-mentioned technical proposal, this practicality possesses whether quick detection electric power meter measurent wiring is problematic to be asked
Topic, adds the practicality of detector；And single-phase electricity can be measured can measure three-phase electricity, add the applicable model of detector
Enclose.
2nd, isolation module one, isolation module two and isolation module three are respectively used to 485 modules, power module and electric energy metrical
The isolation of module, both isolates the accuracy of interference signal, increase measurement and transmitting procedure signal.
Indicating module is used for the signal for receiving master chip, and signal is indicated by light emitting diode, to associative operation
Personnel point out.
Master chip can also intuitively be included data on handheld terminal by wifi module, the mesh of measurement data one
So, the use of operating personnel is facilitated.
Buzzer, real-time clock etc. can increase this practical practicality with user-friendly.Pull-up resistor has master
The stabilization of communication signal, improves the stability of detection and transmission signal.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model principle framework figure；
Fig. 2 is JTAG modular circuit schematic diagrams in the utility model；
Fig. 3 is wifi module circuit theory diagrams in the utility model；
Fig. 4 is real-time clock module circuit theory diagrams in the utility model；
Fig. 5 is instruction modular circuit schematic diagram in the utility model；
Fig. 6 is buzzer circuit schematic diagram in the utility model；
Fig. 7 is the circuit theory diagrams of isolation module two in the utility model；
Fig. 8 is power module circuitry schematic diagram in the utility model；
Fig. 9 is infrared communication modular circuit schematic diagram in the utility model；
Figure 10 is electric energy metering module circuit theory diagrams in the utility model；
Figure 11 is division module circuit theory diagrams in the utility model；
Figure 12 is pull-up resistor circuit theory diagrams in the utility model；
Figure 13 is 485 modular circuit schematic diagrams in the utility model；
Figure 14 is the circuit theory diagrams of isolation module one in the utility model；
Figure 15 is detection module circuit theory diagrams in the utility model；
Figure 16 is isolation module three-circuit schematic diagram in the utility model；
Figure 17 is voltage-stabiliser tube circuit theory diagrams in the utility model；
Figure 18 is master chip circuit theory diagrams in the utility model；
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Fig. 1-Figure 18, the utility model proposes a kind of low-temperature measurement in-situs tester, including：
Master chip and the voltage-stabiliser tube being connected with master chip, infrared communication module, 485 modules, electric energy metering module and inspection
Survey module, the voltage-stabiliser tube, the infrared communication module, 485 module, the electric energy metering module and the detection module
It is connected with power module, the electric energy metering module is also connected with division module.
Voltage-stabiliser tube provides power supply for master chip in this practicality, and infrared communication module is used to receive and sending signal, 485 modules
For providing 485 interfaces, signal transmission is carried out with the external world, electric energy metrical detection module is used for metered voltage, electric current and power, and
Transmit signals to master chip, detection module be used to judging circuit whether reversal connection, when line reversal, detection module passes through
IS_L exports a high voltage, otherwise then exports low-voltage, and therefore, master chip can be according to the signal judging circuit received
No reversal connection, and signal is pointed out by indicating module to operating personnel, division module is used for the partial pressure of electric energy metering module.
By above-mentioned technical proposal, this practicality possesses whether quick detection electric power meter measurent wiring is problematic to be asked
Topic, adds the practicality of detector；And single-phase electricity can be measured can measure three-phase electricity, add the applicable model of detector
Enclose.
Further, the also isolation module one including being arranged between 485 module and the master chip.
Further, the also isolation module two including being arranged between the power module and 485 module.
Further, the electric energy metering module is connected by isolation module three with the master chip.
Further, also including the equal wifi module being connected with the master chip, buzzer, real-time clock and JTAG modules.
Further, the wifi module and the master chip are connected with indicating module.
Further, the also pull-up resistor including being connected with the isolation module three and level switch module.
Further, the model ATmega1280 of the master chip.
Further, the detection module includes rectifier bridge, and the rectifier bridge input connects with the power module input
Ground wire and the neutral conductor connection connect, the positive pole of the rectification bridge output end is inputted with resistance R13, resistance R4, photo-coupler successively
A stitch is held to connect, the negative pole of the rectification bridge output end is connected with another stitch of photo-coupler input, the optocoupler
Clutch output head anode is connected with power module, and negative pole of output end is connected with the master chip, and negative pole of output end passes through electricity simultaneously
Hinder R15 ground connection.
Further, the metering module includes computation chip, the model THREEPHAS_ of the computation chip
IA+, IA-, IB+, IB-, IC+, IC-, VN, VC, VB and VA interface are provided with 78F0526A, and the computation chip.
Isolation module one, isolation module two and isolation module three are respectively used to 485 modules, power module and electric energy metrical mould
The isolation of block, both isolates the accuracy of interference signal, increase measurement and transmitting procedure signal.
Indicating module is used for the signal for receiving master chip, and signal is indicated by light emitting diode, to associative operation
Personnel point out.
Master chip can also intuitively be included data on handheld terminal by wifi module, the mesh of measurement data one
So, the use of operating personnel is facilitated.
Buzzer, real-time clock etc. can increase this practical practicality with user-friendly.Pull-up resistor has master
The stabilization of communication signal, improves the stability of detection and transmission signal.
Single-phase electric energy metering device is detected, tri- voltage link posts of UA, N and PE, IA+, two electric current wiring of IA- need to be connected
Post, communication modes can select RS485 or infrared.
Voltage is connected：Three connecting lines are connected to UA, N, tri- binding posts of PE are (if necessary to test zero fiery reversal connection, just
Connect PE), it is clipped in single-phase electric energy metering device inlet wire using Crocodile-type clamp.
Electric current is connected：Single-phase electric energy metering device live wire inlet wire is vised with a split core type current transformer, then will be pincerlike electric
Current transformer red and black plug correspondence injects IA+ and IA-.
Read ammeter connection：If selecting infrared meter reading, infrared meter reading device is connected on the infrared interface on detector,
Infrared meter reading device is against on the infrared mouth of single-phase electric energy metering device.If selecting RS485 meter readings, two connecting lines are inserted in inspection
Survey on instrument RS485-A and RS485-B binding post, then the crocodile clip of connecting line is clipped in correspondence single-phase electric energy metering device RS485
On the A and B of interface.
Three-phase electric energy metering device is detected, UA, UB, UC need to be connected, tetra- voltage link posts of N, electric IA+, IA-, IB+,
Six electric current binding posts of IB-, IC+, IC-, communication modes can select RS485 or infrared.
Voltage is connected：Four connecting lines are connected to UA, UB, UC, tetra- binding posts of N are clipped in three-phase using Crocodile-type clamp
Each phase inlet wire of electric power meter correspondence.
Electric current is connected：Tri- live wires of three-phase electric energy metering device A, B, C are vised respectively using three split core type current transformers
Inlet wire.The red-black plug correspondence of split core type current transformer is injected into IA+ and IA-, IB+ and IB-, IC+ and IC- again.
Read ammeter connection：If selecting infrared meter reading, infrared meter reading device is connected on the infrared interface on detector,
Infrared meter reading device is against on the infrared mouth of three-phase electric energy metering device.If selecting RS485 meter readings, two measurement lines are inserted in inspection
Survey on instrument RS485-A and RS485-B binding post, then the crocodile clip of p-wire is clipped in correspondence single-phase electric energy metering device RS485
On the A and B of interface.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modifications, equivalent substitutions and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of low-temperature measurement in-situs tester, it is characterised in that：It is the voltage-stabiliser tube that including master chip and is connected with master chip, red
Outer communication module, 485 modules, electric energy metering module and detection module, the voltage-stabiliser tube, the infrared communication module, described 485
Module, the electric energy metering module and the detection module are connected with power module, the electric energy metering module also with partial pressure
Module is connected.
2. a kind of low-temperature measurement in-situs tester according to claim 1, it is characterised in that：It is also described including being arranged on
Isolation module one between 485 modules and the master chip.
3. a kind of low-temperature measurement in-situs tester according to claim 2, it is characterised in that：Also include being arranged on the electricity
Isolation module two between source module and 485 module.
4. a kind of low-temperature measurement in-situs tester according to claim 3, it is characterised in that：The electric energy metering module leads to
Isolation module three is crossed to be connected with the master chip.
5. a kind of low-temperature measurement in-situs tester according to claim 4, it is characterised in that：Also include with the main core
Wifi module, buzzer, real-time clock and the JTAG modules of piece connection.
6. a kind of low-temperature measurement in-situs tester according to claim 5, it is characterised in that：The wifi module and described
Master chip is connected with indicating module.
7. a kind of low-temperature measurement in-situs tester according to claim 6, it is characterised in that：Also include and the isolation mode
Block three and the pull-up resistor of level switch module connection.
8. a kind of low-temperature measurement in-situs tester according to claim 7, it is characterised in that：The model of the master chip
ATmega1280。
9. a kind of low-temperature measurement in-situs tester according to claim 8, it is characterised in that：The detection module includes whole
Bridge is flowed, ground wire and the neutral conductor connection that the rectifier bridge input is connected with the power module input, the rectifier bridge are defeated
The positive pole for going out end is connected with resistance R13, resistance R4, the stitch of photo-coupler input one successively, the rectification bridge output end it is negative
Pole is connected with another stitch of photo-coupler input, and the optocoupler output positive pole is connected with power module, output
End negative pole is connected with the master chip, and negative pole of output end is grounded by resistance R15 simultaneously.
10. a kind of low-temperature measurement in-situs tester according to claim 9, it is characterised in that：The metering module includes
Computation chip, the model THREEPHAS_78F0526A of the computation chip, and be provided with the computation chip IA+,
IA-, IB+, IB-, IC+, IC-, VN, VC, VB and VA interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360908.4U CN206339641U (en) | 2016-12-13 | 2016-12-13 | A kind of low-temperature measurement in-situs tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360908.4U CN206339641U (en) | 2016-12-13 | 2016-12-13 | A kind of low-temperature measurement in-situs tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339641U true CN206339641U (en) | 2017-07-18 |
Family
ID=59300567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360908.4U Expired - Fee Related CN206339641U (en) | 2016-12-13 | 2016-12-13 | A kind of low-temperature measurement in-situs tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751633A (en) * | 2019-03-27 | 2020-10-09 | 华北电力大学扬中智能电气研究中心 | Power consumption behavior detection method and device, electronic equipment and storage medium |
-
2016
- 2016-12-13 CN CN201621360908.4U patent/CN206339641U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751633A (en) * | 2019-03-27 | 2020-10-09 | 华北电力大学扬中智能电气研究中心 | Power consumption behavior detection method and device, electronic equipment and storage medium |
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Legal Events
| 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: 20170718 Termination date: 20181213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |