CN208621687U - A kind of D.C. resistance test device and D.C. resistance test macro based on PAD - Google Patents
A kind of D.C. resistance test device and D.C. resistance test macro based on PAD Download PDFInfo
- Publication number
- CN208621687U CN208621687U CN201820749857.7U CN201820749857U CN208621687U CN 208621687 U CN208621687 U CN 208621687U CN 201820749857 U CN201820749857 U CN 201820749857U CN 208621687 U CN208621687 U CN 208621687U
- Authority
- CN
- China
- Prior art keywords
- module
- resistance test
- test device
- control module
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The utility model is suitable for distribution management technical field, provide a kind of D.C. resistance test device and D.C. resistance test macro based on PAD, a kind of D.C. resistance test device based on PAD includes control module, power module, test module and communication module；The power module, the test module and the communication module are connect with the control module, the test module is connect with D.C. resistance to be measured, the control module is connect by the communication module with for controlling testing process and handling the exterior terminal equipment of test data, after the exterior terminal equipment tests D.C. resistance to be measured by the control module control test module, test data is sent to the exterior terminal equipment by the communication module by the control module.The utility model provides D.C. resistance test device and may be implemented remotely to measure, and test process is simple, and testing efficiency is high, and test result is accurate.
Description
Technical field
The utility model belongs to power supply and distribution administrative skill field more particularly to a kind of D.C. resistance test dress based on PAD
Set and using the D.C. resistance test device based on PAD D.C. resistance test macro.
Background technique
By the D.C. resistance of measuring transformer winding, winding welding quality can be checked, judge whether winding has turn-to-turn
Short circuit, whether position of tapping switch good, lead-out wire whether there is or not fracture loosen, and strand and around winding whether there is or not stranded etc..Winding
The measurement of D.C. resistance be transformer in overhaul, prerun and change essential test item after position of tapping switch,
It is the important inspection item after failure.Current transformer winding instrument for measuring DC resistance is mostly carried out with embedded scm
Control operation, the operation of the information inputs such as parameter setting is all very cumbersome, and adjusts current range, when separate and tap is arranged,
It also needs to test site to modify, there are some security risks, while the data measured at the scene will also be counted manually
Point counting analysis, test process is complicated, and testing efficiency is low, and test result is not accurate enough.
Utility model content
In view of this, the utility model embodiment provides a kind of D.C. resistance test device based on PAD, it is existing to solve
Have in technology when measuring D.C. resistance, test process is complicated, and testing efficiency is low, the not accurate enough problem of test result.
The utility model embodiment first aspect provides a kind of D.C. resistance test device based on PAD, including control
Module, power module, test module and communication module；
The power module, the test module and the communication module are connect with the control module, the test
Module is connect with D.C. resistance to be measured, and the control module is surveyed by the communication module with for controlling testing process and processing
The exterior terminal equipment connection for trying data, controls the test module by the control module in the exterior terminal equipment and surveys
After having tried D.C. resistance to be measured, test data is sent to the exterior terminal by the communication module and set by the control module
It is standby.
Further, the D.C. resistance test device based on PAD further includes the output mould for outputing test data
Block；
The output module is connect with the control module.
Further, the output module includes display and/or printer.
Further, the D.C. resistance test device based on PAD further includes the storage mould for storing test data
Block；
The memory module is connect with the control module.
Further, the memory module includes band Electrically Erasable Programmable Read-Only Memory EEPROM.
Further, the communication module be ZigBee protocol ZigBee communication module, Wireless Fidelity WIFI communication module or
Bluetooth communication.
Further, the D.C. resistance test device based on PAD further includes for detecting power module power supply state
Monitoring module；
The monitoring module is connect with the control module, detects the power module power supply shape in the monitoring module
After state exception, the control module sends warning message to the exterior terminal equipment by the communication module.
Further, the D.C. resistance test device based on PAD further includes in power module failure
The standby power supply module of power supply is provided；
The standby power supply module is connect with the control module.
Further, the power module includes voltage stabilization and current stabilization DC power supply.
The utility model embodiment second aspect provides a kind of D.C. resistance test macro, including the utility model is implemented
The D.C. resistance test device that example first aspect provides.
Existing beneficial effect is the utility model embodiment compared with prior art: provided by the embodiment of the utility model
D.C. resistance test device based on PAD, connect with exterior terminal equipment, provides voltage stabilization and current stabilization direct current using power module
Source, stability is good, and control module is communicated to connect by communication module and exterior terminal equipment, and exterior terminal equipment can use control
Molding block controls test module and tests D.C. resistance, and test data is sent to exterior terminal by communication module and set by control module
It is standby, it can use exterior terminal equipment control testing process and handle test data, realize long-range measurement, and test process
Simply, testing efficiency is substantially increased, test result is more accurate.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of D.C. resistance test device based on PAD provided by the embodiment of the utility model；
Fig. 2 is that a kind of structure for D.C. resistance test device based on PAD that another embodiment of the utility model provides is shown
It is intended to；
Fig. 3 is the partial structure diagram of communication module provided by the embodiment of the utility model；
Fig. 4 is the partial structure diagram of memory module provided by the embodiment of the utility model.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Refering to fig. 1, a kind of D.C. resistance test device based on PAD of the utility model embodiment first aspect, including control
Molding block 101, power module 102, test module 103 and communication module 104；
The power module 102, the test module 103 and the communication module 104 connect with the control module 101
Connect, the test module 103 is connect with D.C. resistance 105 to be measured, the control module 101 by the communication module 104 with
It is connected for controlling testing process and handling the exterior terminal equipment 106 of test data, it is logical in the exterior terminal equipment 106
It crosses the control module 101 to control after the test module 103 tests D.C. resistance 105 to be measured, the control module 101
Test data is sent to the exterior terminal equipment 106 by the communication module 104.
Specifically, exterior terminal equipment 106 establishes wireless communication connection by communication module 104 and control module 101, and
According to the physical cabling of scene winding to be measured, the parameter of test process is configured, design parameter includes: the test magnitude of current
Journey, separate, the tap switch number of winding to be measured, winding temperature and reduced temperature etc..After setting measurement parameter, exterior terminal is set
Standby 106 send test instruction to control module 101, and control module 101 controls power module 102 according to loading condition, in program
Quick charge is carried out to winding under control, test module 103 carries out follow-on test automatically after charging complete, then control module
Test data is sent to exterior terminal equipment 106 by communication module 104 by 101, and control module 101 can also be by test data
It is saved in the memory module 108 being additionally arranged, if there are also other windings to be measured, repeats above-mentioned testing procedure, if surveyed
Examination terminates, and exterior terminal equipment 106 then sends reset instruction to control module 101, and control relevant device discharges to winding,
Stop test, exterior terminal equipment 106 summarize conversion and calculate dividing by specifically application software to test data
Analysis, test data is grouped by platform area, separate and tap switch, takes newest test result to carry out temperature-compensating conversion, so
Error caused by three-phase imbalance is calculated afterwards.
Control module 101 can be single-chip microcontroller, and exterior terminal equipment 106 can be for using In-System Programmability Programmable Analog Circuits
The PAD terminal of (Programmable Analog Device, PAD), is also possible to the intelligent terminals such as mobile phone and computer.PAD
Terminal uses touch screen, is equipped with PAD data management software, a PAD terminal can connect with multiple D.C. resistance test devices
It connects, classified inquiry is carried out to institute's measuring resistance value and comparative analysis calculates, and is intuitively shown.Using corresponding on terminal device
The control to D.C. resistance test device may be implemented in software, can also handle test data, wherein processing test number
It further include error caused by calculating three-phase imbalance etc. according to including according to different temperatures to test data conversion resistance.
D.C. resistance test device provided by the embodiment of the utility model, connect with exterior terminal equipment 106, utilizes power supply
Module 102 provides voltage stabilization and current stabilization DC power supply, and stability is good, and control module 101 passes through communication module 104 and exterior terminal equipment
106 communication connections, exterior terminal equipment 106 can use control module 101 and controls the test D.C. resistance of test module 103, control
Test data is sent to exterior terminal equipment 106 by communication module 104 by molding block 101, can use exterior terminal equipment
106 control testing process simultaneously handle test data, realize long-range measurement, and test process is simple, substantially increase test
Efficiency, test result are more accurate.
As shown in Fig. 2, further, the D.C. resistance test device further includes the output mould for outputing test data
Block 107；
The output module 107 is connect with the control module 101.
Specifically, output module 107, which will can directly measure obtained test data and carry out output, shows, can also will be outer
The Calculation results of portion's terminal device 106 carry out output and show, intuitively read data convenient for tester.
Further, the output module 107 includes display and/or printer.
Specifically, output module 107 can intuitively show the test data and exterior terminal that measurement obtains by display
The Calculation results of equipment 106 in table form can also be beaten test data and Calculation results by printer
It prints off and, wherein display is specifically as follows liquid crystal display, and printer is specifically as follows mini-printer.
As shown in Fig. 2, further, the D.C. resistance test device further includes the storage mould for storing test data
Block 108；
The memory module 108 is connect with the control module 101.
Specifically, memory module 108 can save test module 103 and directly measure obtained test data, can also protect
Deposit the Calculation results of exterior terminal equipment 106.
Further, the memory module 108 includes band Electrically Erasable Programmable Read-Only Memory EEPROM.
Specifically, memory module 108 uses EEPROM data storage circuitry, carries out data storage, such as Fig. 3 using EEPROM
Shown, by taking eeprom chip 24C256 as an example, pin 1,2,3 and 4 is grounded, and pin 5 and pin 6 connect with control module 101
It connects, pin 5 and pin 6 meet I2C communication protocol, 5 incoming data signal of pin, and 6 incoming clock signal of pin is transmitted in data
Before, a specific level combinations signal is generated by pin 5 and pin 6, carries out transmission data later, this specific combination letter
Number it is properly termed as commencing signal, after the data transfer ends, it is also necessary to which pin 5 and pin 6 generate another specific level group
Signal is closed, shows the data transfer ends, this specific combination signal is properly termed as end signal, and pin 7 is respectively with capacitor C61's
One end and ground connection, the other end of capacitor C61 are connect with 3.3V power supply VCC_3V3, and pin 8 and 3.3V power supply VCC_3V3 connect
It connects.
Further, the communication module 104 is ZigBee protocol ZigBee communication module, Wireless Fidelity WIFI communication mould
Block or bluetooth communication.
Specifically, communication module 104 uses ZigBee communication module, WIFI communication module or bluetooth communication,
To realize the communication connection with exterior terminal equipment 106, can be carried out data transmission by corresponding communication.
As shown in figure 4, by taking WIFI communication module as an example, WIFI communication module is provided with point-to-point communication circuit, realize with
The point-to-point communication of exterior terminal equipment 106, and being attached with control module 101 using RAK415 chip, wherein pin
1, it 2,5,12,13,25 and 36 is grounded, pin 4 is grounded by biasing resistor R81, and pin 8 is connect with control module 101, when drawing
When foot 8 is low level, WIFI communication module enters transparent transmission mode, and when pin 8 is high level, WIFI communication module enters life
Mode is enabled, pin 18 is connect with control module 101, and pin 19 is reset pin, is connected with the connecting pin of resistance R83 and capacitor C64
It connects, the other end ground connection of capacitor C64, the other end of resistance R83 is connect with 3.3V power supply VCC_3V3, and pin 24 passes through resistance
R82 is connect with 3.3V power supply VCC_3V3, and pin 28 is connect with control module, and pin 31 is serial data communication interface, with control
Module 101 connects, and for receiving data, pin 32 is serial data communication interface, connect with control module 101, for sending
Data, pin 33 are serial ports flow control pin, and low level is effective, show that pin 35 is electric with 3.3V respectively in reception state is prepared
Source VCC_3V3, polar capacitor C62 positive terminal connected with one end of capacitor C63, the negative pole end and capacitor of polar capacitor C62
The other end of C63 is grounded, other pins on chip are hanging.
As shown in Fig. 2, further, the D.C. resistance test device further includes powering for detecting power module 102
The monitoring module 109 of state；
The monitoring module 109 is connect with the control module 101, detects the power supply in the monitoring module 109
After 102 power supply state exception of module, the control module 101 is by the communication module 104 to the exterior terminal equipment
106 send warning message.
Specifically, in D.C. resistance test process, in the case where 102 power supply state exception of power module, Bu Nengzhun
Stable DC is really provided, causes test data deviation larger, or even can not be tested, and then by monitoring module 109
The power supply state of power module 102 can be monitored by control module 101, power module 102 is normal in guarantee test process
Work, improves the accuracy of test data, after monitoring module 109 detects that power module 102 is abnormal, control module
101 send warning message to external terminal device 106 by communication module 104, prompt 102 work of remote testing personnel power module
Make exception, improves the degree of automation of test device.
Monitoring module 109 further includes alarm unit, can after monitoring module 109 detects that power module 102 is abnormal
Directly to issue alarm signal by alarm unit, alarm unit may include loudspeaker and/or indicator light, and scene is reminded to survey
The timely interrupt test of examination personnel avoids that safety accident occurs, improves the safety of test process.
As shown in Fig. 2, further, the D.C. resistance test device further includes for losing in the power module 102
The standby power supply module 110 of power supply is provided when effect；
The standby power supply module 110 is connect with the control module 101.
Specifically, it in D.C. resistance test process, needs to provide power supply using power module 102, but inevitably can be because
Test it is improper cause power module 102 to fail, cause test to interrupt, and standby power supply module 110 is connect with control module 101,
Equally power supply can be provided for control module 101, test module 103, communication module 104 and memory module 108 etc., mentioned significantly
The high stability of D.C. resistance test device.
Further, the power module 102 includes voltage stabilization and current stabilization DC power supply.
Specifically, power module 102 exports direct current using voltage stabilization and current stabilization mode, exports electric current according to loading condition one
Determine automatic adjustment, good compatibility in range, can satisfy the actual demand of test different loads.
The utility model embodiment second aspect provides a kind of D.C. resistance test macro, including above-described embodiment first
The D.C. resistance test device that aspect provides, the specific structure of modules and function are referring to above-mentioned in D.C. resistance test device
Embodiment at least has upper since the D.C. resistance test macro uses all technical solutions of above-described embodiment
State all beneficial effects brought by the technical solution of embodiment.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of D.C. resistance test device based on PAD, which is characterized in that including control module, power module, test module
And communication module；
The power module, the test module and the communication module are connect with the control module, the test module
It is connect with D.C. resistance to be measured, the control module tests number with for controlling testing process and processing by the communication module
According to the connection of exterior terminal equipment, tested in the exterior terminal equipment by the control module control test module
After D.C. resistance to be measured, test data is sent to the exterior terminal equipment by the communication module by the control module.
2. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that further include being used for
The output module to output test data；
The output module is connect with the control module.
3. a kind of D.C. resistance test device based on PAD according to claim 2, which is characterized in that the output mould
Block includes display and/or printer.
4. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that further include being used for
Store the memory module of test data；
The memory module is connect with the control module.
5. a kind of D.C. resistance test device based on PAD according to claim 4, which is characterized in that the storage mould
Block includes band Electrically Erasable Programmable Read-Only Memory EEPROM.
6. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that the communication mould
Block is ZigBee protocol ZigBee communication module, Wireless Fidelity WIFI communication module or bluetooth communication.
7. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that further include being used for
Detect the monitoring module of power module power supply state；
The monitoring module is connect with the control module, detects that the power module power supply state is different in the monitoring module
Chang Hou, the control module send warning message to the exterior terminal equipment by the communication module.
8. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that further include being used for
The standby power supply module of power supply is provided in power module failure；
The standby power supply module is connect with the control module.
9. a kind of D.C. resistance test device based on PAD according to claim 1, which is characterized in that the power supply mould
Block includes voltage stabilization and current stabilization DC power supply.
10. a kind of D.C. resistance test macro, which is characterized in that including a kind of base described in any one of claim 1 to 9
It further include for controlling testing process and handling the exterior terminal equipment of test data in the D.C. resistance test device of PAD；
The D.C. resistance test device is connect with the exterior terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749857.7U CN208621687U (en) | 2018-05-18 | 2018-05-18 | A kind of D.C. resistance test device and D.C. resistance test macro based on PAD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820749857.7U CN208621687U (en) | 2018-05-18 | 2018-05-18 | A kind of D.C. resistance test device and D.C. resistance test macro based on PAD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621687U true CN208621687U (en) | 2019-03-19 |
Family
ID=65701214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820749857.7U Expired - Fee Related CN208621687U (en) | 2018-05-18 | 2018-05-18 | A kind of D.C. resistance test device and D.C. resistance test macro based on PAD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621687U (en) |
-
2018
- 2018-05-18 CN CN201820749857.7U patent/CN208621687U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2005078673A1 (en) | Remote battery monitoring system having embedded telesensors | |
| CN206740889U (en) | Electrical equipment supportability tester | |
| CN108242824A (en) | A kind of USB safe chargings monitoring for protection instrument | |
| CN108362932A (en) | Electric energy meter battery undervoltage detection device | |
| CN109406932B (en) | Electric leakage detection device and system | |
| CN109506797A (en) | A kind of transforming plant main transformer oil temperature integrated testing device | |
| CN203705602U (en) | Automatic detection and calibration device for bridge board of electric vehicle | |
| CN105182107A (en) | Detection device, system and method | |
| CN208621687U (en) | A kind of D.C. resistance test device and D.C. resistance test macro based on PAD | |
| CN113155222A (en) | NB-IoT intelligent water meter data acquisition terminal and sensor fault detection method thereof | |
| CN109065975A (en) | A kind of direct current system management system and its control method | |
| CN204807649U (en) | Tester | |
| CN105116359B (en) | Power information acquisition terminal detection device and system | |
| CN106849346A (en) | A kind of system for testing power distribution automation equipment time adjustment function and timekeeping performance | |
| CN215813254U (en) | Intelligent storage battery voltage patrol instrument | |
| CN214895504U (en) | Novel live-line detection device of lightning arrester online monitor | |
| CN211855593U (en) | Device for measuring temperature of digital temperature sensor ammeter wiring terminal | |
| CN212181300U (en) | Based on BMS remote monitoring positioning system | |
| CN210863881U (en) | Improved generation segmentation return circuit resistance tester | |
| CN207502984U (en) | A kind of portable intelligent actuating of relay power measuring | |
| CN111628557A (en) | Multifunctional integrated charging device for electric power detection instrument | |
| CN201290068Y (en) | Terminal for monitoring power supply environment | |
| CN211856688U (en) | Power distribution network signal source | |
| CN105137225A (en) | Electric leakage protector monitoring system based on voltage-stabilizing circuit | |
| CN212275868U (en) | Terminal data acquisition module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200518 |