CN203224569U - Resistance tester based on wireless transmission - Google Patents
Resistance tester based on wireless transmission Download PDFInfo
- Publication number
- CN203224569U CN203224569U CN 201320177568 CN201320177568U CN203224569U CN 203224569 U CN203224569 U CN 203224569U CN 201320177568 CN201320177568 CN 201320177568 CN 201320177568 U CN201320177568 U CN 201320177568U CN 203224569 U CN203224569 U CN 203224569U
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- chip microcomputer
- signal output
- signal input
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Abstract
The utility model discloses a resistance tester based on wireless transmission, and the resistance tester includes a resistance measuring circuit, an auto-zero circuit, an A/ D converter, a measuring range automatically switching circuit, a single-chip microcomputer, a liquid crystal display, a wireless communicator, a memory and a keyboard. A signal output terminal of the resistance measuring circuit is connected to a signal input terminal of the auto-zero circuit; a signal output terminal of the auto-zero circuit is connected to a signal input terminal of the A/ D converter; a signal output terminal of the A/ D converter is connected to a signal input terminal of the single-chip microcomputer; and a data port of the single-chip microcomputer is connected to a data port of the memory and a data port of the wireless communicator. Wireless transmission technology is introduced into data transmission of the resistance tester so that the detection data are sent directly to a PC in a computer room, and application of expert systems in the PC for timely data processing improves work efficiency.
Description
Technical field
The utility model relates to a kind of resistance meter, particularly a kind of resistance meter based on wireless transmission.
Background technology
The detection of locomotive electric apparatus system mainly is to detect the size of easily sending out the resistance value of trouble location in the locomotive electric line, according to the situation of resistance value, judges the state of electric system, thereby diagnoses out the failure condition of electric system.In recent years, data acquisition unit and supporting microcomputer software, corresponding fault diagnosis expert system widespread use in railway maintenance.The maintenance testing staff holds the vibration state that portable data collector is patrolled and examined equipment at the scene, get back to data such as vibration values that computer house stores collector again, vibrational waveform and send computing machine to by interface, apparatus for establishing maintenance archives material, and analyze, forecast the fault at vibration trend and diagnosis vibration position by corresponding software kit.This method can not make the maintenance testing staff directly locomotive be keeped in repair according to detected data at the scene, goes to handle data but must get back to machine room, greatly reduces work efficiency.
The utility model content
The purpose of this utility model provides a kind of resistance meter based on wireless transmission that can realize remote measurement resistance with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of resistance meter based on wireless transmission, comprise resistance measuring circuit, the automatic zero set (AZS) circuit, A/D converter, the range automatic switching circuit, single-chip microcomputer, LCDs, the wireless telecommunications device, storer and keyboard, the signal output part of described resistance measuring circuit is connected with the signal input part of described automatic zero set (AZS) circuit, the signal output part of described automatic zero set (AZS) circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the signal input part of described range automatic switching circuit, the signal output part of described range automatic switching circuit is connected with the signal input part of described resistance measuring circuit, the FPDP of described single-chip microcomputer is connected with the FPDP of the FPDP of described storer with described wireless telecommunications device, the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCDs.
Further, described resistance meter also comprises printer, and the signal input part of described printer is connected with the signal output part of described single-chip microcomputer.
Further, described resistance meter also comprises warning circuit, and the signal input part of described warning circuit is connected with the signal output part of described single-chip microcomputer.
Further, described resistance meter also comprises clock circuit, and the signal output part of described clock circuit is connected with the signal input part of described single-chip microcomputer.
The beneficial effects of the utility model are:
Radio Transmission Technology is introduced in the data transmission of resistance meter, made that detecting data directly sends in the PC of computer house, the expert system of using in the PC is in time handled data, has improved work efficiency.
Description of drawings
Fig. 1 is that the utility model is based on the structured flowchart of the resistance meter of wireless transmission.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model is based on the resistance meter of wireless transmission, comprise resistance measuring circuit, the automatic zero set (AZS) circuit, A/D converter, the range automatic switching circuit, single-chip microcomputer, LCDs, the wireless telecommunications device, storer and keyboard, the signal output part of described resistance measuring circuit is connected with the signal input part of described automatic zero set (AZS) circuit, the signal output part of described automatic zero set (AZS) circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the signal input part of described range automatic switching circuit, the signal output part of described range automatic switching circuit is connected with the signal input part of described resistance measuring circuit, the FPDP of described single-chip microcomputer is connected with the FPDP of the FPDP of described storer with described wireless telecommunications device, the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCDs.
As shown in Figure 1, described resistance meter also comprises printer, and the signal input part of described printer is connected with the signal output part of described single-chip microcomputer.Described resistance meter also comprises warning circuit, and the signal input part of described warning circuit is connected with the signal output part of described single-chip microcomputer.Described resistance meter also comprises clock circuit, and the signal output part of described clock circuit is connected with the signal input part of described single-chip microcomputer.
Claims (4)
1. resistance meter based on wireless transmission, it is characterized in that: comprise resistance measuring circuit, the automatic zero set (AZS) circuit, A/D converter, the range automatic switching circuit, single-chip microcomputer, LCDs, the wireless telecommunications device, storer and keyboard, the signal output part of described resistance measuring circuit is connected with the signal input part of described automatic zero set (AZS) circuit, the signal output part of described automatic zero set (AZS) circuit is connected with the signal input part of described A/D converter, the signal output part of described A/D converter is connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the signal input part of described range automatic switching circuit, the signal output part of described range automatic switching circuit is connected with the signal input part of described resistance measuring circuit, the FPDP of described single-chip microcomputer is connected with the FPDP of the FPDP of described storer with described wireless telecommunications device, the signal output part of described keyboard is connected with the signal input part of described single-chip microcomputer, and the signal output part of described single-chip microcomputer is connected with the signal input part of described LCDs.
2. the resistance meter based on wireless transmission according to claim 1, it is characterized in that: described resistance meter also comprises printer, the signal input part of described printer is connected with the signal output part of described single-chip microcomputer.
3. the resistance meter based on wireless transmission according to claim 1, it is characterized in that: described resistance meter also comprises warning circuit, the signal input part of described warning circuit is connected with the signal output part of described single-chip microcomputer.
4. the resistance meter based on wireless transmission according to claim 1, it is characterized in that: described resistance meter also comprises clock circuit, the signal output part of described clock circuit is connected with the signal input part of described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177568 CN203224569U (en) | 2013-04-10 | 2013-04-10 | Resistance tester based on wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177568 CN203224569U (en) | 2013-04-10 | 2013-04-10 | Resistance tester based on wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224569U true CN203224569U (en) | 2013-10-02 |
Family
ID=49251571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320177568 Expired - Fee Related CN203224569U (en) | 2013-04-10 | 2013-04-10 | Resistance tester based on wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919291A (en) * | 2017-03-23 | 2017-07-04 | 安徽玖信光电科技有限公司 | A kind of controller for capacitive touch screen |
| CN109557378A (en) * | 2018-11-27 | 2019-04-02 | 广东电网有限责任公司 | A kind of remote control insulation resistance measuring device |
-
2013
- 2013-04-10 CN CN 201320177568 patent/CN203224569U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919291A (en) * | 2017-03-23 | 2017-07-04 | 安徽玖信光电科技有限公司 | A kind of controller for capacitive touch screen |
| CN109557378A (en) * | 2018-11-27 | 2019-04-02 | 广东电网有限责任公司 | A kind of remote control insulation resistance measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140410 |