CN206515394U - Drainage net longitudinal electrical resistance measurement apparatus and system - Google Patents

Drainage net longitudinal electrical resistance measurement apparatus and system Download PDF

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Publication number
CN206515394U
CN206515394U CN201720228569.2U CN201720228569U CN206515394U CN 206515394 U CN206515394 U CN 206515394U CN 201720228569 U CN201720228569 U CN 201720228569U CN 206515394 U CN206515394 U CN 206515394U
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China
Prior art keywords
drainage net
electrically
data
module
pressure drop
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CN201720228569.2U
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刘瑞龙
许四喜
王长春
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Chengdu Ruierwei Track Transportation Technology Co Ltd
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Chengdu Ruierwei Track Transportation Technology Co Ltd
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Abstract

The utility model provides a kind of drainage net longitudinal electrical resistance measurement apparatus and system.Described device includes power module, data acquisition module, data processing module and data transmission module.Power module is electrically connected with data acquisition module, data processing module, data transmission module.Power module includes the DC current source and power supply unit being electrically connected with, to export constant current.Data acquisition module includes the signal transacting submodule and the first connection-peg being electrically connected with, and to gather and handle longitudinal pressure drop signal of drainage net, obtains the data of longitudinal pressure drop.Data processing module is electrically connected with data acquisition module, to obtain drainage net longitudinal electrical resistance according to the data of longitudinal pressure drop.Data transmission module is electrically connected with data acquisition module and/or data processing module, to transmit the data and/or drainage net longitudinal electrical resistance of longitudinal pressure drop.Described device is simple in construction, easy to operate, intuitive measurement results, measurement accuracy high, and human resources consumption is small, and measurement efficiency is high.

Description

Drainage net longitudinal electrical resistance measurement apparatus and system
Technical field
The utility model is related to city rail drainage net longitudinal electrical resistance field of measuring technique, in particular to one kind row Drift net longitudinal electrical resistance measurement apparatus and system.
Background technology
With the development of science and technology, urban track traffic progressively turn into people day frequently with means of conveyance.And for For urban track traffic, its electric power system is particularly important.In city rail DC traction power-supply system, rail is traction electricity The return flow line of stream.Due to the characteristic of rail in itself, rail can not accomplish complete insulation, and part can be caused in use Traction current flow into underground.With the growth of service time, the reduction of the dielectric strength between rail ground flows into the electric current meeting of underground It is further to become big.The stray electrical current of underground is flowed into because the effect of galvano-cautery can be damaged to the pipeline along subway, because And drainage net is laid below the in-orbit road of first meeting of subway construction, the collecting action to stray electrical current is played to reduce to along Other metal pipe lines are damaged.Drainage net is related to the sectional area of drainage net to the collection performance of stray electrical current, and drainage net Longitudinal electrical resistance value is the actual parameter for reflecting drainage net sectional area size, therefore accurately measures drainage net longitudinal electrical resistance to evaluating Drainage net performance is most important.
For now, the mode of measurement drainage net longitudinal electrical resistance value uses the live people based on resistance measurement with voltammetry Work method of testing.This measuring method is relatively complicated, and human resources consumption is big, and measurement efficiency is low.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of drainage net longitudinal direction electricity Measurement apparatus and system are hindered, the drainage net longitudinal electrical resistance measurement apparatus and system architecture are simple and convenient to operate, measurement result is straight See, measurement accuracy it is high, it can improve, and measuring method in the prior art is cumbersome, human resources consumption is big, and measurement efficiency is low Shortcoming.
For drainage net longitudinal electrical resistance measurement apparatus, the utility model preferred embodiment provides a kind of drainage net longitudinal direction Electric resistance measuring apparatus.The electric resistance measuring apparatus includes power module, data acquisition module, data processing module and data transfer Module;
The power module respectively with the data acquisition module, the data processing module, the data transmission module It is electrically connected with, the power module includes being used for exporting the DC current source of constant current and for for the resistance to drainage net Measurement apparatus provides the power supply unit of electric energy, and said supply unit is electrically connected with the DC current source, so that the direct current Current source exports constant current;
The data acquisition module includes signal transacting submodule and adopted for longitudinal pressure drop signal to drainage net First connection-peg of collection, the signal transacting submodule is electrically connected with first connection-peg, to believe longitudinal pressure drop Number it is acquired and handles, obtains the data of the longitudinal pressure drop of drainage net;
The data processing module is electrically connected with the data acquisition module, is entered with the data to the longitudinal pressure drop of drainage net Row processing, obtains drainage net longitudinal electrical resistance;
The data transmission module is electrically connected with the data acquisition module and/or the data processing module, with right The data and/or the drainage net longitudinal electrical resistance of the longitudinal pressure drop of the drainage net are transmitted.
In the utility model preferred embodiment, above-mentioned data acquisition module also includes measurement line and inserted with described first Second connection-peg of the electrical grafting of joint, one end of the measurement line is electrically connected with second connection-peg, the measurement line The other end be provided with two electricity folder, it is described two electricity folder is contacted with the drainage net leading-out terminal in drainage net, for described Pressure drop signal between drainage net leading-out terminal is acquired.
In the utility model preferred embodiment, above-mentioned power supply unit include externally fed subelement with for that will exchange Electricity is converted to the rectification subelement of direct current, and the rectification subelement is electrically connected with the externally fed subelement, described outer Portion's subelement of powering provides electric energy for the electric resistance measuring apparatus.
In the utility model preferred embodiment, above-mentioned power supply unit also includes stand-by power supply subelement, described standby Power supply subelement provides electric energy when the externally fed subelement disconnects for the electric resistance measuring apparatus;
The externally fed subelement also with the stand-by power supply subelement be electrically connected with, for for the stand-by power supply Unit charges.
In the utility model preferred embodiment, above-mentioned data transmission module includes wireless data transceiving unit, described Wireless data transceiving unit is electrically connected with the data acquisition module and/or the data processing module, for the number It is transmitted according to the data in the data in acquisition module and/or the data processing module.
In the utility model preferred embodiment, above-mentioned signal transacting submodule includes signal filter circuit, signal and put Big circuit and analog to digital conversion circuit;
The signal filter circuit is electrically connected with first connection-peg, to be filtered to longitudinal pressure drop signal Processing;
The signal amplification circuit is electrically connected with the signal filter circuit, to enter to filtered longitudinal pressure drop signal Row enhanced processing;
Analog-digital conversion circuit as described is electrically connected with the signal amplification circuit, to enter to longitudinal pressure drop signal after amplification Row analog-to-digital conversion, obtains the data of the longitudinal pressure drop of drainage net.
In the utility model preferred embodiment, above-mentioned electric resistance measuring apparatus also includes being used to house the resistance measurement Display unit and setting unit are provided with the casing of device, the casing;
The display unit is electrically connected with the data acquisition module, the data processing module respectively, with to drainage The waveform and drainage net longitudinal electrical resistance of longitudinal pressure drop signal of net are shown;
The setting unit is electrically connected with the DC current source, the display unit respectively, with to the direct current The constant current value of stream source output and the display pattern of the display unit are configured.
In the utility model preferred embodiment, above-mentioned electric resistance measuring apparatus also includes being used to show the resistance measurement The working station indicator of the component operation state of each in device, the working station indicator is indicated including working state of device Lamp, DC current source working station indicator, external power source working station indicator and stand-by power supply working station indicator;
Described device working station indicator is electrically connected with the power module, to show the electric resistance measuring apparatus Working condition;
The DC current source working station indicator is electrically connected with the DC current source, to show the direct current The working condition in stream source;
The external power source working station indicator is electrically connected with the externally fed subelement, to show the outside The working condition of power supply subelement;
The stand-by power supply working station indicator is electrically connected with the stand-by power supply subelement, described standby to show The working condition of power supply subelement.
In the utility model preferred embodiment, above-mentioned electric resistance measuring apparatus also includes battery main switch and DC current Source switch;
The battery main switch is electrically connected with the power module, to control the power module as the resistance measurement Device provides electric energy;
The DC current source switch is electrically connected with the DC current source, to control the DC current source to drainage Net output constant current.
For drainage net longitudinal electrical resistance measuring system, the utility model preferred embodiment provides a kind of drainage net longitudinal direction Resistance measuring system.The system includes the drainage net and above-mentioned drainage net longitudinal electrical resistance measurement apparatus being layed under rail. The drainage net is provided with the direction parallel with rail bearing of trend in drainage net leading-out terminal, the electric resistance measuring apparatus The drainage net leading-out terminal of the first connection-peg and drainage net be electrically connected with, the DC current source electricity in the electric resistance measuring apparatus Property is connected to the drainage net leading-out terminal, and the electric resistance measuring apparatus is drawn by the drainage net of the drainage net to collecting The pressure drop signal gone out between terminal is handled, and obtains drainage net longitudinal electrical resistance.
In terms of existing technologies, the drainage net longitudinal electrical resistance measurement apparatus that the utility model preferred embodiment is provided And system has the advantages that:The drainage net longitudinal electrical resistance measurement apparatus by respectively with data acquisition module, data Processing module, data transmission module be electrically connected with power module in power supply unit obtain electric energy, by with power module The DC current source being electrically connected with power supply unit exports constant current to drainage net, by mutually electrical in data acquisition module The first connection-peg and signal transacting submodule of connection are acquired and handled to longitudinal pressure drop signal of drainage net, obtain drainage The data of the longitudinal pressure drop of net, pass through the number of the data processing module that is electrically connected with data acquisition module to the longitudinal pressure drop of drainage net According to being handled, drainage net longitudinal electrical resistance is obtained, and by electric with the data acquisition module and/or the data processing module Property connection data transmission module the data and/or the drainage net longitudinal electrical resistance of the longitudinal pressure drop of the drainage net are passed It is defeated.The drainage net longitudinal electrical resistance measurement apparatus and system architecture are simple and convenient to operate, intuitive measurement results, measurement accuracy high, Human resources consumption is small, and measurement efficiency is high.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with Good embodiment, and coordinate appended accompanying drawing, it is described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
A kind of square frame signal for the drainage net longitudinal electrical resistance measurement apparatus that Fig. 1 provides for the utility model preferred embodiment Figure.
Fig. 2 is a kind of block diagram of the power module shown in Fig. 1.
Fig. 3 is a kind of block diagram of the power supply unit shown in Fig. 2.
Fig. 4 is a kind of block diagram of the data acquisition module shown in Fig. 1.
Fig. 5 is a kind of block diagram of the signal transacting submodule shown in Fig. 4.
Fig. 6 is a kind of block diagram of the data processing module shown in Fig. 1.
The knot of drainage net longitudinal electrical resistance measurement apparatus shown in Fig. 1 that Fig. 7 provides for the utility model preferred embodiment Structure schematic diagram.
Icon:10- drainage net longitudinal electrical resistance measurement apparatus;100- power modules;200- data acquisition modules;300- data Processing module;400- data transmission modules;110- DC current sources;120- power supply units;121- externally fed subelements;122- Rectification subelement;123- stand-by power supply subelements;210- signal transacting submodules;The connection-pegs of 220- first;230- measures line; The connection-pegs of 240- second;211- signal filter circuits;212- signal amplification circuits;213- analog to digital conversion circuits;310- memories; 320- storage controls;330- processors;500- casings;510- display units;520- setting units;530- working conditions are indicated Lamp;531- working state of device indicator lamps;532- DC current source working station indicators;533- external power source working conditions refer to Show lamp;534- stand-by power supply working station indicators;540- battery main switches;550- DC current source switches.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area Divide description, and it is not intended that indicating or implying relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and It is to be slightly tilted.As " level " only refers to that its direction, with respect to more level for " vertical ", is not the expression structure Must be fully horizontal, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or be integrally connected;Can be mechanical connection or electrical connection;Can be joined directly together, intermediary can also be passed through It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.
How to provide a kind of simple in construction, easy to operate, intuitive measurement results, measurement accuracy high, existing skill can be improved Measuring method is cumbersome in art, and human resources consumption is big, the drainage net longitudinal electrical resistance measurement apparatus for the problem of measurement efficiency is low and System, is the technical problem for being badly in need of solving to those skilled in the art.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under Feature in the embodiment and embodiment stated can be mutually combined.
Fig. 1 is refer to, is the one of the drainage net longitudinal electrical resistance measurement apparatus 10 that the utility model preferred embodiment is provided Plant block diagram.In the utility model embodiment, the drainage net longitudinal electrical resistance measurement apparatus 10 includes:Power module 100th, data acquisition module 200, data processing module 300, data transmission module 400.The power module 100 respectively with it is described Data acquisition module 200, the data processing module 300, the data transmission module 400 are electrically connected with, and think the data Acquisition module 200, the data processing module 300 and the data transmission module 400 provide electric energy.The data acquisition module 200 are used to be acquired longitudinal pressure drop signal of drainage net, and longitudinal pressure drop signal is handled, and obtains the drainage The data of the longitudinal pressure drop of net.The data processing module 300 is electrically connected with the data acquisition module 200, with to drainage net The data of longitudinal pressure drop are handled, and obtain drainage net longitudinal electrical resistance.In the present embodiment, the data transmission module 400 can To be individually electrically connected with the data acquisition module 200 or the data processing module 300, can also simultaneously with the number It is electrically connected with according to acquisition module 200 and the data processing module 300, to be obtained to the drainage net longitudinal electrical resistance measurement apparatus 10 To the longitudinal pressure drop of the drainage net data and/or the drainage net longitudinal electrical resistance be transmitted, realize more conveniently pair The measurement of drainage net longitudinal electrical resistance.
Fig. 2 is refer to, in the utility model embodiment, the power module 100 includes being used for exporting permanent to drainage net Determine the DC current source 110 of electric current and the power supply unit for providing electric energy for the drainage net longitudinal electrical resistance measurement apparatus 10 120.Said supply unit 120 is electrically connected with the DC current source 110, so that the DC current source 110 exports constant Electric current.
In the present embodiment, the DC current source 110 can be pressed the longitudinal direction of drainage net in the data acquisition module 200 Drop signal exports constant current when being acquired to the drainage net so that the corresponding longitudinal pressure drop signal hair of the drainage net Corresponding change is sent, the data acquisition module 200 can obtain longitudinal pressure drop signal of two groups of different drainage nets, respectively institute State drainage and be not loaded with longitudinal pressure drop signal corresponding during the constant current that the DC current source 110 exports on the net and described Drainage is loaded with longitudinal pressure drop signal corresponding during the constant current of the output of DC current source 110 on the net.The data Longitudinal pressure drop signal of the different drainage net of two groups of acquisition module 200 pair is handled, and obtains the data of corresponding longitudinal pressure drop. Constant current value and the data of two groups of longitudinal pressure drops that the data processing module 300 can be exported to the DC current source 110 Handled, obtain the longitudinal electrical resistance of the drainage net.
Fig. 3 is refer to, in the utility model embodiment, said supply unit 120 can include:Externally fed subelement 121 and for alternating current to be converted to the rectification subelement 122 of direct current.The externally fed subelement 121 and the rectification Subelement 122 is electrically connected with, for providing electric energy for the drainage net longitudinal electrical resistance measurement apparatus 10, it is ensured that the drainage net is indulged To the normal operation of electric resistance measuring apparatus 10.
In the present embodiment, the externally fed subelement 121 can be connected to external power source by external power source interface, with Electric energy is provided to the drainage net longitudinal electrical resistance measurement apparatus 10, the external power source interface can carry out different set according to demand Put.
In the utility model embodiment, said supply unit 120 can also include stand-by power supply subelement 123, described Stand-by power supply subelement 123 can disconnect (such as, the externally fed subelement 121 in the externally fed subelement 121 Have a power failure, the connector of the externally fed subelement 121 and the drainage net longitudinal electrical resistance measurement apparatus 10 loosens or damaged) When, it is that the drainage net longitudinal electrical resistance measurement apparatus 10 provides electric energy.In the present embodiment, the externally fed subelement 121 Also it is electrically connected with the stand-by power supply subelement 123, for being charged for the stand-by power supply subelement 123.The standby confession Electronic unit 123 can include a stand-by power supply, and the stand-by power supply is a rechargeable battery, and the rechargeable battery can be, but It is not limited to, lithium battery, alkaline battery, normal cell, battery etc..
Fig. 4 is refer to, in the utility model embodiment, the data acquisition module 200 can include:Signal transacting Module 210 and the first connection-peg 220 being acquired for longitudinal pressure drop signal to drainage net.The signal transacting submodule 210 are electrically connected with first connection-peg 220, so that longitudinal pressure drop signal is acquired and handled, obtain drainage net The data of longitudinal pressure drop.
In the present embodiment, first connection-peg 220 can be that BNC (match somebody with somebody by Bayonet Nut Connector, buckle Mould assembly connector) female in joint or female or male in male or aviation plug.Preferably, described first Connection-peg 220 is the male in BNC connector.
Fig. 5 is refer to, in the utility model embodiment, the signal transacting submodule 210 can include:Signal filtering Circuit 211, signal amplification circuit 212 and analog to digital conversion circuit 213.
The signal filter circuit 211 is electrically connected with first connection-peg 220, with to passing through first connection-peg Longitudinal pressure drop signal of the 220 drainage nets collected is filtered processing, filters out the noise in longitudinal pressure drop signal, Ensure the measurement accuracy of the drainage net longitudinal electrical resistance measurement apparatus 10.
The signal amplification circuit 212 is electrically connected with the signal filter circuit 211, with to the longitudinal direction after filtering process Pressure drop signal is amplified processing, is easy to the drainage net longitudinal electrical resistance measurement apparatus 10 to the drainage net longitudinal electrical resistance of drainage net Measure.
Analog-digital conversion circuit as described 213 is electrically connected with the signal amplification circuit 212, with to the longitudinal direction after enhanced processing Pressure drop signal carries out analog-to-digital conversion, obtains the data of the longitudinal pressure drop of drainage net, the data of the longitudinal pressure drop of the drainage net can be clear Longitudinal pressure drop of drainage net under ground reflection current state.
In the present embodiment, the drainage net longitudinal electrical resistance measurement apparatus 10 can be according to the DC current source 110 to institute When the constant current value and the drainage net that collects of the data acquisition module 200 for stating the output of drainage net do not load constant current The data of the corresponding longitudinal pressure drop of two groups of drainage nets, obtain the longitudinal direction electricity of the drainage net during with drainage net loading constant current Resistance.
Referring once again to Fig. 4, in the utility model embodiment, the data acquisition module 200 can also include measurement The connection-peg 240 of line 230 and second.
In the present embodiment, second connection-peg 240 is mutually matched with first connection-peg 220, and described second inserts Joint 240 and the electrical grafting of first connection-peg 220.Specifically, when first connection-peg 220 is male, described the Two connection-pegs 240 are female;When first connection-peg 220 is female, second connection-peg 240 is male.
In the present embodiment, one end of the measurement line 230 is electrically connected with second connection-peg 240, the measurement The other end of line 230 is provided with two electricity folders, and described two electricity folders are contacted with the drainage net leading-out terminal in drainage net, the row Drift net leading-out terminal is the drainage net positioned at the same side that the drainage net is set up in the side parallel with rail bearing of trend Terminal.The data acquisition module 200 is by two electricity folders on the measurement line 230 between the drainage net leading-out terminal Pressure drop signal be acquired.
Fig. 6 is refer to, in the utility model embodiment, the data processing module 300 includes memory 310, storage Controller 320 and processor 330.The memory 310, storage control 320 and each element of processor 330 are straight each other Connect or be electrically connected with indirectly, to realize the transmission or interaction of data.For example, these elements can pass through one or many each other Bar communication bus or signal wire, which are realized, to be electrically connected with.The memory 310 can store the data acquisition module 200 and gather simultaneously The data of the longitudinal pressure drop of obtained drainage net are handled, can also store what the DC current source 110 was exported to the drainage net The relevant information (such as, the current value size of the constant current, current output time section etc.) of constant current, can also be stored The drainage net longitudinal electrical resistance measurement apparatus 10 carries out the operation information of drainage net longitudinal electrical resistance measurement, can also store the row Drift net longitudinal electrical resistance measurement apparatus 10 is used for the information for calculating the operational formula of drainage net longitudinal electrical resistance.The processor 330 is used The executable module stored in the execution memory 310, such as described measurement of drainage net longitudinal electrical resistance measurement apparatus 10 row Software function module and computer program required for drift net longitudinal electrical resistance etc..
In the present embodiment, the memory 310 may be, but not limited to, random access memory (Random Access Memory, RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..In the present embodiment, the memory 310 in the data processing module 300 and institute State data acquisition module 200 to be electrically connected with, the drainage net longitudinal direction obtained to store the data acquisition module 200 to gather and handle The data of pressure drop.The memory 310 can be used for storage program, and the processor 330 performs institute after execute instruction is received State program.The processor 330 and other access of possible component to memory 310 can be in the storage controls 320 Control under carry out.
In the present embodiment, the processor 330 is probably a kind of IC chip, the disposal ability with signal. Above-mentioned processor 330 can be general processor, including central processing unit (Central Processing Unit, CPU), net Network processor (Network Processor, NP) etc.;It can also be digital signal processor (DSP), application specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic, Discrete hardware components, it is possible to achieve or perform this and use disclosed each method, step and the logic diagram in new embodiment. General processor can be microprocessor or the processor can also be any conventional processor etc..
In the utility model embodiment, the data transmission module 400 includes usb data interface, network interface, wireless Data transceiving unit.During the data transmission module 400 can be usb data interface, network interface, wireless data transceiving unit Any one or the usb data interface, network interface, wireless data transceiving unit in any combination.At this In embodiment, the data transmission module 400 can individually with the data acquisition module 200 or the data processing module 300 are electrically connected with, and can also be electrically connected with simultaneously with the data acquisition module 200 and the data processing module 300, specifically Connected mode can be according to the different demands of drainage net related data be carried out with different settings.
In the present embodiment, the wireless data transceiving unit and/or network corresponding with the network interface can be passed through The data in the data and/or the data processing module 300 in the data acquisition module 200 are transmitted, institute can also be passed through Wireless data transceiving unit and/or network corresponding with the network interface are stated to the drainage net longitudinal electrical resistance measurement apparatus 10 Manipulation instruction is sent, for drainage net longitudinal electrical resistance measurement apparatus 10 described in remote control, drainage net longitudinal direction electricity is improved Hinder the measurement efficiency of measurement apparatus 10.
Fig. 7 is refer to, in the utility model embodiment, the drainage net longitudinal electrical resistance measurement apparatus 10 can also include Display unit 510 is provided with casing 500 for housing the drainage net longitudinal electrical resistance measurement apparatus 10, the casing 500 With setting unit 520.
The display unit 510 is electrically connected with the data acquisition module 200, with longitudinal pressure drop to the drainage net The waveform of signal is shown, more can intuitively be reacted the drainage net and be exported in loading by the DC current source 110 Constant current before and after corresponding longitudinal pressure drop signal waveform change.The display unit 510 also with the data processing Module 300 is electrically connected with, with the drainage obtained to the data processing module 300 according to the data of the longitudinal pressure drop of the drainage net Net longitudinal electrical resistance is intuitively shown.
The setting unit 520 is electrically connected with the DC current source 110, to be exported to the DC current source 110 Constant current value be configured so that the drainage net longitudinal electrical resistance measurement apparatus 10 can be measured under different constant currents Longitudinal electrical resistance value, improve measurement accuracy.The setting unit 520 is also electrically connected with the display unit 510, with to described The display pattern of display unit 510 is configured, and the display pattern of the display unit 510 is aobvious including the display unit 510 The content and the mode of display shown.
In the utility model embodiment, the drainage net longitudinal electrical resistance measurement apparatus 10 can also include being used to show institute State the working station indicator 530 of each component operation state in drainage net longitudinal electrical resistance measurement apparatus 10.The working condition Indicator lamp 530 includes working state of device indicator lamp 531, DC current source working station indicator 532, external power source work shape State indicator lamp 533 and stand-by power supply working station indicator 534.
Described device working station indicator 531 is electrically connected with the power module 100, to show that the drainage net is indulged To the working condition of electric resistance measuring apparatus 10;The DC current source working station indicator 532 and the DC current source 110 It is electrically connected with, to show the working condition of the DC current source 110;The external power source working station indicator 533 and institute State externally fed subelement 121 to be electrically connected with, to show the working condition of the externally fed subelement 121;The standby electricity Source working station indicator 534 is electrically connected with the stand-by power supply subelement 123, to show the stand-by power supply subelement 123 working condition.
In the utility model embodiment, the drainage net longitudinal electrical resistance measurement apparatus 10 can also include battery main switch 540 and DC current source switch 550.The battery main switch 540 is electrically connected with the power module 100, described to control Power module 100 is that the drainage net longitudinal electrical resistance measurement apparatus 10 provides electric energy.The DC current source switch 550 with it is described DC current source 110 is electrically connected with, to control the DC current source 110 to export constant current to drainage net.
When the battery main switch 540 is closed, and has the external power source access drainage net longitudinal electrical resistance measurement apparatus 10, Described device working station indicator 531 is bright, and the external power source working station indicator 533 is bright, the stand-by power supply work Status indicator lamp 534 goes out;When the battery main switch 540 is closed, no external power source is accessed, but stand-by power supply still has electric energy When, described device working station indicator 531 is bright, and the external power source working station indicator 533 goes out, the stand-by power supply work Make status indicator lamp 534 bright;When the battery main switch 540 is closed, no external power source access, and stand-by power supply without electric energy when, Described device working station indicator 531 goes out, and the external power source working station indicator 533 goes out, the stand-by power supply work Status indicator lamp 534 goes out.
When the battery main switch 540 is closed, when described device working station indicator 531 is bright, show the drainage net Longitudinal electrical resistance measurement apparatus 10 can normal operation.Close the DC current source switch 550, the DC current source working condition Indicator lamp 532 is bright, and the DC current source 110 exports constant current to the drainage net, and the data acquisition module 200 can be adopted Collect and preserve the drainage net longitudinal pressure drop signal corresponding when loading constant current;The DC current source switch 550 is disconnected, The DC current source working station indicator 532 goes out, and the DC current source 110 exports constant electricity without drainage net described in normal direction Stream, the data acquisition module 200 can gather and preserve the drainage net longitudinal pressure drop letter corresponding when not loading constant current Number.
In the present embodiment, can be set on the casing 500 has the output that constant current is exported for DC current source 110 Terminal, the DC current source 110 is drawn by the lead-out terminal to two tactile drainage nets of electric clamping connection on measurement line 230 Go out terminal output constant current, two representative both positive and negative polarity connected modes of electricity folder of the measurement line 230 and the direct current The connected mode of the connection of stream source 110 drainage net leading-out terminal is consistent, i.e. the current direction of constant current and longitudinal pressure drop direction one Cause.
In the utility model, the utility model preferred embodiment also provides a kind of drainage net longitudinal electrical resistance measurement system System.The system includes the drainage net and above-mentioned drainage net longitudinal electrical resistance measurement apparatus 10 being layed under rail.The drainage Net is on the parallel direction of rail bearing of trend to be provided with drainage net leading-out terminal.Specifically, in the same place of drainage net There are two drainage net leading-out terminals for being respectively distributed to drainage net both sides in place.The drainage net longitudinal electrical resistance measurement apparatus 10 First connection-peg 220 is electrically connected with two drainage net leading-out terminals in the same side in the drainage net, the drainage net The DC current source 110 of longitudinal electrical resistance measurement apparatus 10 is also electrically connected at described two drainage net leading-out terminals.
In the present embodiment, first connection-peg 220 can be multiple, the drainage net longitudinal electrical resistance measurement apparatus 10 Each self-corresponding longitudinal pressure drop of drainage net leading-out terminal of the drainage net both sides can be obtained by first connection-peg 220 Signal, so as to obtain the drainage net longitudinal electrical resistance.Specifically, on the side of drainage net when will can not load constant current I Drainage net leading-out terminal corresponding to longitudinal pressure drop be designated as U1off, can will load the above-mentioned drainage net after constant current I and draw Longitudinal pressure drop corresponding to terminal is designated as U1on;Drainage net on the opposite side of drainage net when not loading constant current I can be drawn Go out longitudinal pressure drop corresponding to terminal and be designated as U2off, will can load corresponding to the above-mentioned drainage net leading-out terminal after constant current I Longitudinal pressure drop be designated as U2on.Then the drainage net longitudinal electrical resistance R can be obtained by following formula:
In summary, the utility model embodiment is provided drainage net longitudinal electrical resistance measurement apparatus and system.The drainage Net longitudinal electrical resistance measurement apparatus with data acquisition module, data processing module, data transmission module by being electrically connected with respectively Power supply unit in power module obtains electric energy, by the DC current source with being electrically connected with power module with power supply unit to Drainage net exports constant current, passes through the first connection-peg and signal transacting submodule being electrically connected with each other in data acquisition module Longitudinal pressure drop signal of drainage net is acquired and handled, the data of the longitudinal pressure drop of drainage net are obtained, by with data acquisition The data processing module that module is electrically connected with is handled the data of the longitudinal pressure drop of drainage net, obtains drainage net longitudinal electrical resistance, And by the data transmission module that is electrically connected with the data acquisition module and/or the data processing module to the drainage The data and/or the drainage net longitudinal electrical resistance of the longitudinal pressure drop of net are transmitted.The drainage net longitudinal electrical resistance measurement apparatus and System architecture is simple and convenient to operate, intuitive measurement results, measurement accuracy high, and human resources consumption is small, and measurement efficiency is high.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (10)

1. a kind of drainage net longitudinal electrical resistance measurement apparatus, it is characterised in that the electric resistance measuring apparatus includes power module, data Acquisition module, data processing module and data transmission module;
The power module is electrical with the data acquisition module, the data processing module, the data transmission module respectively Connection, the power module includes being used for exporting the DC current source of constant current and for for the resistance measurement to drainage net Device provides the power supply unit of electric energy, and said supply unit is electrically connected with the DC current source, so that the DC current Source exports constant current;
The data acquisition module includes signal transacting submodule and is acquired for longitudinal pressure drop signal to drainage net First connection-peg, the signal transacting submodule is electrically connected with first connection-peg, to enter to longitudinal pressure drop signal Row is gathered and handled, and obtains the data of the longitudinal pressure drop of drainage net;
The data processing module is electrically connected with the data acquisition module, at the data to the longitudinal pressure drop of drainage net Reason, obtains drainage net longitudinal electrical resistance;
The data transmission module is electrically connected with the data acquisition module and/or the data processing module, with to described The data and/or the drainage net longitudinal electrical resistance of drainage net longitudinal direction pressure drop are transmitted.
2. electric resistance measuring apparatus according to claim 1, it is characterised in that the data acquisition module also includes measurement line And the second connection-peg with the electrical grafting of the first connection-peg, one end of the measurement line electrically connects with second connection-peg Connect, the other end of the measurement line is provided with two electricity folders, and described two electricity folders connect with the drainage net leading-out terminal in drainage net Touch, for being acquired to the pressure drop signal between the drainage net leading-out terminal.
3. electric resistance measuring apparatus according to claim 1, it is characterised in that it is single that said supply unit includes externally fed Member and the rectification subelement for alternating current to be converted to direct current, the rectification subelement and externally fed subelement electricity Property connection, the externally fed subelement provides electric energy for the electric resistance measuring apparatus.
4. electric resistance measuring apparatus according to claim 3, it is characterised in that said supply unit also includes stand-by power supply Unit, the stand-by power supply subelement provides electricity when the externally fed subelement disconnects for the electric resistance measuring apparatus Energy;
The externally fed subelement is also electrically connected with the stand-by power supply subelement, for for the stand-by power supply subelement Charging.
5. electric resistance measuring apparatus according to claim 1, it is characterised in that the data transmission module includes wireless data Transmit-Receive Unit, the wireless data transceiving unit is electrically connected with the data acquisition module and/or the data processing module, For being transmitted to the data in the data in the data acquisition module and/or the data processing module.
6. electric resistance measuring apparatus according to claim 1, it is characterised in that the signal transacting submodule is filtered including signal Wave circuit, signal amplification circuit and analog to digital conversion circuit;
The signal filter circuit is electrically connected with first connection-peg, to be filtered place to longitudinal pressure drop signal Reason;
The signal amplification circuit is electrically connected with the signal filter circuit, to be put to filtered longitudinal pressure drop signal Big processing;
Analog-digital conversion circuit as described is electrically connected with the signal amplification circuit, to carry out mould to longitudinal pressure drop signal after amplification Number conversion, obtains the data of the longitudinal pressure drop of drainage net.
7. electric resistance measuring apparatus according to claim 1, it is characterised in that the electric resistance measuring apparatus also includes being used to hold Put and be provided with display unit and setting unit on the casing of the electric resistance measuring apparatus, the casing;
The display unit is electrically connected with the data acquisition module, the data processing module respectively, with to drainage net The waveform and drainage net longitudinal electrical resistance of longitudinal pressure drop signal are shown;
The setting unit is electrically connected with the DC current source, the display unit respectively, with to the DC current source The constant current value of output and the display pattern of the display unit are configured.
8. electric resistance measuring apparatus according to claim 4, it is characterised in that the electric resistance measuring apparatus also includes being used to show Show the working station indicator of each component operation state in the electric resistance measuring apparatus, the working station indicator includes dress Put working station indicator, DC current source working station indicator, external power source working station indicator and stand-by power supply work Make status indicator lamp;
Described device working station indicator is electrically connected with the power module, to show the work of the electric resistance measuring apparatus State;
The DC current source working station indicator is electrically connected with the DC current source, to show the DC current source Working condition;
The external power source working station indicator is electrically connected with the externally fed subelement, to show the externally fed The working condition of subelement;
The stand-by power supply working station indicator is electrically connected with the stand-by power supply subelement, to show the stand-by power supply The working condition of subelement.
9. electric resistance measuring apparatus according to claim 1, it is characterised in that it is total that the electric resistance measuring apparatus also includes power supply Switch and DC current source switch;
The battery main switch is electrically connected with the power module, to control the power module as the electric resistance measuring apparatus Electric energy is provided;
The DC current source switch is electrically connected with the DC current source, to control the DC current source defeated to drainage net Go out constant current.
10. a kind of drainage net longitudinal electrical resistance measuring system, it is characterised in that the system includes the drainage net being layed under rail And the drainage net longitudinal electrical resistance measurement apparatus in claim 1-9 described in any one, the drainage net with rail extension side The row of the first connection-peg and drainage net that are provided with to parallel direction in drainage net leading-out terminal, the electric resistance measuring apparatus Drift net leading-out terminal is electrically connected with, and the DC current source in the electric resistance measuring apparatus is electrically connected at the drainage net exit Son, the electric resistance measuring apparatus is carried out by the pressure drop signal between the drainage net leading-out terminal to the drainage net collected Processing, obtains drainage net longitudinal electrical resistance.
CN201720228569.2U 2017-03-09 2017-03-09 Drainage net longitudinal electrical resistance measurement apparatus and system Active CN206515394U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107976581A (en) * 2017-11-23 2018-05-01 上海远彭电气技术咨询服务有限公司 A kind of urban track traffic drainage net longitudinal electrical resistance test method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107976581A (en) * 2017-11-23 2018-05-01 上海远彭电气技术咨询服务有限公司 A kind of urban track traffic drainage net longitudinal electrical resistance test method

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