CN109342801A - Direct current supply line apparatus for testing pressure drop - Google Patents
Direct current supply line apparatus for testing pressure drop Download PDFInfo
- Publication number
- CN109342801A CN109342801A CN201811395300.9A CN201811395300A CN109342801A CN 109342801 A CN109342801 A CN 109342801A CN 201811395300 A CN201811395300 A CN 201811395300A CN 109342801 A CN109342801 A CN 109342801A
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- voltage
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- master control
- signal
- load blocks
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 230000003750 conditioning effect Effects 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000005355 Hall effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/10—Measuring sum, difference or ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention proposes a kind of direct current supply line apparatus for testing pressure drop.The device includes: master control system, display, internal electric source, load blocks, voltage isolation conditioning module, stream acquisition module and external interface.Wherein: load blocks, the voltage for the direct current supply outside being received by external interface；Internal electric source, for providing electric signal to voltage isolation conditioning module, current acquisition module, master control system and display respectively；Conditioning module, the voltage signal at the both ends for acquiring load blocks is isolated in voltage；Current acquisition module, the current signal on route for acquiring load blocks, and collected current signal is transferred to master control system；Master control system, the pressure drop of the voltage for calculating direct current supply line road according to voltage signal and current signal.The embodiment of the present invention can exclude human factor influence, improve the accuracy of test result, reduce the operating time of test, improve testing efficiency, while versatility with higher.
Description
Technical field
The present invention relates to test fields of measurement more particularly to a kind of direct current supply line apparatus for testing pressure drop.
Background technique
As the application of direct current supply mode is more and more wider, due to use environment and power demand difference, used confession
Electric line length and line footpath are different, and leading to the voltage at electricity consumption end, there is some difference with target value, and direct current supply line test fills
It sets and is widely used in the every field such as Aeronautics and Astronautics and industry manufacture as the effective equipment for eliminating this species diversity.
Currently, the method for eliminating this species diversity has following two mode: measurement electric-resistivity method, using tools such as multimeters to confession
The line resistance of the positive and negative line of electric line measures, and according to the operating current of electrical equipment, calculates line drop, then by direct current
Source output improves corresponding voltage, eliminates power supply line's bring pressure drop with this.The above method requires power supply line shorter and line
Resistance is convenient for measuring, while whether the contact vulnerable to measurement test pencil with measured point is good, and it is artificial whether operator's reading accurately waits
Factor influences, and the accuracy of test result is lower.In addition, adjusting method in the process, DC power output voltage is set as electricity consumption end
Target voltage measure electricity consumption terminal voltage value after electricity output, DC power output voltage value slowly adjusted, until measured value
Identical as target voltage values, the method needs to need to destroy service cable if without measurement point there are measurement point at electricity consumption end
Measurement point is drawn, security risk is artificially increased.Meanwhile the method needs repeatedly measurement electricity consumption end voltage and adjusts power supply output
Voltage, testing efficiency are low.
Summary of the invention
In consideration of it, the present invention provides a kind of direct current supplys in order to solve at least one technical problem in the prior art
Line drop test device.
The test device of direct current supply line pressure drop includes: master control system, display, internal electric source, load blocks, voltage
Conditioning module, current acquisition module and external interface is isolated.Wherein:
Load blocks, the voltage for the direct current supply outside being received by external interface；
Internal electric source, for being provided respectively to voltage isolation conditioning module, current acquisition module, master control system and display
Electric signal；
Conditioning module, the voltage signal at the both ends for acquiring load blocks is isolated in voltage, and collected voltage is believed
Number it is transferred to master control system；
Current acquisition module, the current signal on route for acquiring load blocks, and by collected current signal
It is transferred to master control system；
Master control system, the pressure drop of the voltage for calculating direct current supply line road according to voltage signal and current signal.
For problem of the prior art, foregoing invention embodiment can play safer and more reliable, efficient direct current supply
The technical effect of line drop test.Specifically, technical effect may is that
Test result is accurate, and test process of the present invention is controlled by computer, and voltage and current data are carried out by industry board
Acquisition, data are calculated by software, and human factor influence is eliminated.
Testing efficiency is high, and the present invention need to only connect external interface, can directly be read by display by test software
Pressure drop in power supply line.
Versatility is high, and load blocks used in the present invention have programmable function, can freely adjust, can be used for different electricity consumptions
Power supply line's drop measurement of demand.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it is therefore apparent that drawings described below is only some embodiments of the present invention, for this
For the technical staff in field, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of schematic illustration of the device of direct current supply line pressure fall-off test of one embodiment of the invention.
Wherein, conditioning module 5, current acquisition is isolated in master control system 1, display 2, internal electric source 3, load blocks 4, voltage
Module 6 and external interface 7.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiments of the present invention, those skilled in the art
Without making creative work, every other embodiment obtained, shall fall within the protection scope of the present invention.
The feature and illustrative examples of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order to provide complete understanding of the present invention.But come for those skilled in the art
It says it will be apparent that the present invention can be implemented in the case where not needing some details in these details.Below to reality
The description of example is applied just for the sake of providing and better understanding to of the invention by showing example of the invention.The present invention is never
It is limited to any specific setting and method set forth below, but covering finishes under the premise of without departing from the spirit of the present invention
Structure, method, any improvement of device, substitutions and modifications.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing to the present invention.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention and embodiment can be tied mutually
It closes, each embodiment mutually can be referred to and be quoted.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is a kind of schematic illustration of the device of direct current supply line pressure fall-off test of the embodiment of the present invention.
As shown in Figure 1, the apparatus may include: master control system 1, display 2, internal electric source 3, load blocks 4, voltage every
From conditioning module 5, current acquisition module 6 and external interface 7.
Wherein, load blocks 4, for receiving the voltage of external direct current supply by external interface 7；Internal electric source 3 is used
In respectively to voltage isolation conditioning module 5, current acquisition module 6, master control system 1 and the offer electric signal of display 2；Voltage isolation
Conditioning module 5, the voltage signal at the both ends for acquiring load blocks 4, and collected voltage signal is transferred to master control system
System 1；Current acquisition module 6, the current signal on route for acquiring load blocks 4, and collected current signal is passed
It is defeated by master control system 1；Master control system 1, for calculating the voltage of direct current supply line road according to voltage signal and current signal
Pressure drop.
Therefore, direct current supply line apparatus for testing pressure drop method according to an embodiment of the present invention, is automatically controlled by process
With data sampling and processing and display, to improve the testing efficiency and versatility of test device, it is ensured that test the accurate of structure
Property.
It should be noted that above-mentioned flow operations can carry out different degrees of combined application, for simplicity, repeating no more
The sequence of above-mentioned operating procedure can be carried out spirit according to actual needs by various combined implementations, those skilled in the art
Adjustment living, or above-mentioned steps are subjected to the operation such as flexible combination.
It should be noted that the implementation of functional unit shown in above-described embodiment can be hardware, software, firmware
Or their combination.When realizing in hardware, it may, for example, be electronic circuit, specific integrated circuit (ASIC), fit
When firmware, plug-in unit, function card etc..When being realized with software mode, element of the invention is used to execute required task
Program or code segment.Perhaps code segment can store in machine readable media or by carrying in carrier wave program
Data-signal is sent in transmission medium or communication links." machine readable media " may include being capable of storage or transmission information
Any medium.The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM
(EROM), floppy disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can via such as because
The computer network of special net, Intranet etc. is downloaded.
Finally it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, but protection of the invention
Range is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can be thought easily
It is modified or replaceed to various equivalent, these, which are modified or replaceed, should all be included within the scope of the present invention.
Claims (5)
1. a kind of test device of direct current supply line pressure drop characterized by comprising master control system (1), display (2), interior
Portion's power supply (3), load blocks (4), voltage isolation conditioning module (5), current acquisition module (6) and external interface (7), in which:
Load blocks (4), the voltage for the direct current supply outside being received by external interface (7)；
Internal electric source (3), for conditioning module (5), current acquisition module (6), master control system (1) to be isolated to voltage respectively and shows
Show that device (2) provide electric signal；
Conditioning module (5) are isolated in voltage, the voltage signal at the both ends for acquiring load blocks (4), and by collected voltage
Signal is transferred to master control system (1)；
Current acquisition module (6), the current signal on route for acquiring load blocks (4), and collected electric current is believed
Number it is transferred to master control system (1)；
Master control system (1), the pressure drop of the voltage for calculating direct current supply line road according to voltage signal and current signal.
2. device shown according to claim 1, which is characterized in that further include:
Display (2) for obtaining master control system (1) pressure drop calculated, and shows shown pressure drop.
3. device shown according to claim 1, which is characterized in that wherein:
Current acquisition module (6) is Hall effect current acquisition module.
4. device shown according to claim 1, which is characterized in that wherein:
Load blocks (4) are purely resistive load modules.
5. device shown according to claim 1, which is characterized in that wherein:
The voltage that load blocks (4) pass through the direct current supply outside external interface (7) reception；
Internal electric source (3) is respectively to voltage isolation conditioning module (5), current acquisition module (6), master control system (1) and display
(2) electric signal is provided；
The voltage signal at the both ends of conditioning module (5) acquisition load blocks (4) is isolated in voltage, and collected voltage signal is passed
It is defeated by master control system (1)；
Current acquisition module (6) acquires the current signal on the route of load blocks (4), and collected current signal is transmitted
Give master control system (1)；
Master control system (1) calculates the pressure drop of the voltage of direct current supply line road according to voltage signal and current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395300.9A CN109342801A (en) | 2018-11-21 | 2018-11-21 | Direct current supply line apparatus for testing pressure drop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395300.9A CN109342801A (en) | 2018-11-21 | 2018-11-21 | Direct current supply line apparatus for testing pressure drop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342801A true CN109342801A (en) | 2019-02-15 |
Family
ID=65317061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811395300.9A Pending CN109342801A (en) | 2018-11-21 | 2018-11-21 | Direct current supply line apparatus for testing pressure drop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342801A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762794A (en) * | 2019-10-31 | 2020-02-07 | 广东美的制冷设备有限公司 | Power supply voltage determining method and device, compressor and air conditioner |
| CN116953490A (en) * | 2023-09-19 | 2023-10-27 | 西安智多晶微电子有限公司 | Method, device and system for measuring internal voltage drop of FPGA chip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055604A (en) * | 1990-04-13 | 1991-10-23 | 黄立 | Low-voltage loop loss wireless monitoring method |
| EP0954083A2 (en) * | 1998-04-28 | 1999-11-03 | Aktiebolaget Electrolux | Arrangement and method for controlling the power supply to a load |
| CN102193017A (en) * | 2010-03-18 | 2011-09-21 | 中国科学院电子学研究所 | Indirect test method for voltage drops on relay contacts |
| CN106546822A (en) * | 2016-10-26 | 2017-03-29 | 珠海市魅族科技有限公司 | The impedance detection method of the charging circuit of load, chip and mobile terminal |
| CN107202932A (en) * | 2017-07-24 | 2017-09-26 | 国网山东省电力公司桓台县供电公司 | Measuring and calculating is combined power system voltage quality test system and method with remote testing |
-
2018
- 2018-11-21 CN CN201811395300.9A patent/CN109342801A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055604A (en) * | 1990-04-13 | 1991-10-23 | 黄立 | Low-voltage loop loss wireless monitoring method |
| EP0954083A2 (en) * | 1998-04-28 | 1999-11-03 | Aktiebolaget Electrolux | Arrangement and method for controlling the power supply to a load |
| CN102193017A (en) * | 2010-03-18 | 2011-09-21 | 中国科学院电子学研究所 | Indirect test method for voltage drops on relay contacts |
| CN106546822A (en) * | 2016-10-26 | 2017-03-29 | 珠海市魅族科技有限公司 | The impedance detection method of the charging circuit of load, chip and mobile terminal |
| CN107202932A (en) * | 2017-07-24 | 2017-09-26 | 国网山东省电力公司桓台县供电公司 | Measuring and calculating is combined power system voltage quality test system and method with remote testing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762794A (en) * | 2019-10-31 | 2020-02-07 | 广东美的制冷设备有限公司 | Power supply voltage determining method and device, compressor and air conditioner |
| CN110762794B (en) * | 2019-10-31 | 2021-07-20 | 广东美的制冷设备有限公司 | Power supply voltage determining method and device, compressor and air conditioner |
| CN116953490A (en) * | 2023-09-19 | 2023-10-27 | 西安智多晶微电子有限公司 | Method, device and system for measuring internal voltage drop of FPGA chip |
| CN116953490B (en) * | 2023-09-19 | 2023-12-26 | 西安智多晶微电子有限公司 | Method, device and system for measuring internal voltage drop of FPGA chip |
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Application publication date: 20190215 |