CN107748293A - Ground wire, test system and method - Google Patents
Ground wire, test system and method Download PDFInfo
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- CN107748293A CN107748293A CN201710971886.8A CN201710971886A CN107748293A CN 107748293 A CN107748293 A CN 107748293A CN 201710971886 A CN201710971886 A CN 201710971886A CN 107748293 A CN107748293 A CN 107748293A
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- information
- ground wire
- resistance
- resistance information
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
Abstract
The invention provides one kind ground wire, test system and method, wherein ground wire includes：Two grounded parts；The grounded parts includes：Earth lead and attachment means；One end of the earth lead connects with corresponding attachment means, and the other end is used to be connected with detection device or electrical equipment；The attachment means are used to be connected with grounding copper bar.Ground wire, test system and method provided by the invention, when ground wire connects electrical equipment, the Electrical Safety of electrical equipment can be ensured, when being grounded connecting detection equipment, two piece-root grafting ground wires directly can be connected with two inputs of detection device, so as to realize that resistance measures, detection difficulty is effectively reduced, improves detection efficiency.
Description
Technical field
The invention belongs to electronic technology field, more specifically to one kind ground wire, test system and method.
Background technology
In work about electric power, most of electrical equipments can all have the requirement that installation is grounded.In order to ensure electrical equipment just
Often work, the resistance of earth wire there are certain requirements.In work on the spot, if the resistance of ground wire is excessive, it is necessary to carry out whole
Change.
Fig. 1 is the structural representation being grounded in the prior art.As shown in figure 1, ground wire include a piece-root grafting ground wire 1 with
And the crocodile mouth clip 2 being connected with earth lead 1.Earth lead 1 is connected with electrical equipment 3, crocodile mouth clip 2 and grounding copper bar
4 connections, realize the connection between electrical equipment 3 and grounding copper bar 4, electrical equipment 3 are played a protective role.
It is in place of the deficiencies in the prior art, ground wire is often laid very long, it is difficult to traditional detection device such as general-purpose
Table etc. carries out resistance measurement to it, cause to be grounded resistance detection difficulty is larger, detection efficiency is relatively low.
The content of the invention
The present invention provides a kind of ground wire, test system and method, to solve to be grounded the inspection of resistance in the prior art
Survey the technical problem that difficulty is larger, detection efficiency is relatively low.
The embodiment of the present invention provides a kind of ground wire, including：Two grounded parts；
The grounded parts includes：Earth lead and attachment means；
One end of the earth lead connects with corresponding attachment means, and the other end is used to connect with detection device or electrical equipment
Connect；
The attachment means are used to be connected with grounding copper bar.
Further, the ground wire also includes：Exoperidium；
Two piece-root grafting ground wires are rolled into single line by the exoperidium；
The equal length of two piece-root grafting ground wires.
Further, the ground wire also includes：Insulated connecting piece；
Realized and connected by the insulated connecting piece between two attachment means；
The attachment means are crocodile mouth clip, and the insulated connecting piece is the handle of tape insulation piece.
The embodiment of the present invention also provides a kind of ground wire test system, including：Described in detection device and any of the above-described
Ground wire；
The detection device is used for the resistance information for detecting the ground wire.
Further, the detection device includes：Current sensing means, voltage check device and supply unit；
One end of the supply unit is connected with a piece-root grafting ground wire, and the other end is connected with another earth lead；
The current sensing means is used for the current information of the grounded wire of detection stream；
The voltage check device is used for the information of voltage for detecting the supply unit output.
Further, the current sensing means is ammeter, and the voltage check device is voltmeter.
Further, the ground wire test system also includes：Controller and pusher；
The current sensing means is connected with the controller, for the current information detected to be sent into the controller；
The voltage check device is connected with the controller, for the information of voltage detected to be sent into the controller；
The controller is connected with the pusher, for determining ground wire according to the information of voltage and current information that receive
Resistance information, and resistance information is sent to the pusher；
The pusher includes display device and/or loudspeaker, for showing and/or playing the resistance information.
The embodiment of the present invention also provides a kind of method of testing, including：
Receive the information of voltage of voltage check device transmission；
Receive the current information that current sensing means is sent；
The resistance information of ground wire is determined according to the information of voltage and the current information；
The resistance information is sent to pusher, so that the resistance information is pushed to user by the pusher.
Further, the resistance information of ground wire is determined according to the information of voltage and the current information, including：
According to the information of voltage and the current information, the test resistance information of the ground wire is determined；
According to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated；
Accordingly, the resistance information is sent to pusher, so that the resistance information is pushed to by the pusher
User, including：
The actual resistance information is sent to the pusher, so that the pusher pushes away the actual resistance information
Give user；
Wherein, the resistance information when test resistance information is the ground wire connecting test equipment, the actual resistance letter
Cease resistance information when electrical equipment is connected for the ground wire.
Further, according to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated, is wrapped
Include：
Obtain the corresponding relation of test resistance information and actual resistance information；
According to the test resistance information of the corresponding relation and the ground wire, it is determined that the actual resistance of the corresponding ground wire
Value information.
Existing beneficial effect is the embodiment of the present invention compared with prior art：It is provided by the invention to be grounded, test system
System and method, including two grounded parts, each grounded parts include earth lead and attachment means, the ground connection
One end of wire connects with corresponding attachment means, and the other end is used to be connected with detection device or electrical equipment, the connection dress
Put for being connected with grounding copper bar, when ground wire connects electrical equipment, it is ensured that the Electrical Safety of electrical equipment, be grounded
During line connecting detection equipment, two piece-root grafting ground wires directly can be connected with two inputs of detection device, so as to realize that resistance is surveyed
Amount, effectively reduces detection difficulty, improves detection efficiency.
Brief description of the drawings
Fig. 1 is the structural representation being grounded in the prior art；
Fig. 2 is the structural representation for the ground wire that the embodiment of the present invention one provides；
Fig. 3 is the structural representation for the ground wire test system that the embodiment of the present invention two provides；
Fig. 4 is the structured flowchart of detection device in the ground wire test system that the embodiment of the present invention three provides；
Fig. 5 is the flow chart for the method for testing that the embodiment of the present invention four provides.
Reference：
| 1- earth leads | 2- crocodile mouth clips | 3- electrical equipments | 4- grounding copper bars |
| 5- attachment means | 6- handles | 7- insulating trips | 8- current sensing means |
| 9- voltage check devices | 10- supply units | 11- controllers | 12- pushers |
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
Embodiment one
The embodiment of the present invention one provides a kind of ground wire.Fig. 2 is the structural representation for the ground wire that the embodiment of the present invention one provides.
As shown in Fig. 2 the ground wire in the present embodiment, can include：Two grounded parts；The grounded parts includes：Earth lead 1
And attachment means 5；One end of the earth lead 1 connects with corresponding attachment means 5, the other end be used for detection device or
Electrical equipment 3 connects；The attachment means 5 are used to be connected with grounding copper bar 4.
In the present embodiment, ground wire can use two groups of grounded parts compositions insulated from each other.Each grounded parts wraps
Include a piece-root grafting ground wire 1 and an attachment means 5.
The attachment means 5 can be crocodile mouth clip, be clamped directly at when in use on the grounding copper bar 4, or,
The attachment means 5 can also be other devices that can be arbitrarily grounded and be electrically connected between wire 1 and grounding copper bar 4, example
Such as clamping part, welding assembly, it is connected by modes such as clamping, welding with the grounding copper bar 4.
Preferably, the connecting line can also include insulated connecting piece.It can pass through between two attachment means 5
Insulated connecting piece is fixed together, and the insulated connecting piece can be the handle 6 with insulating trip 7, so as to realize two connections
Insulation connection between device 5, ensure the security of ground wire test.
Preferably, the connecting line can also include exoperidium.The exoperidium can wrap up two piece-root grafting ground wires 1
Into single line, the carrying and installation of convenient ground wire.
Further, the length of two piece-root grafting ground wires 1 can easily facilitate connection electrical equipment 3 or detection device with equal,
Improve the efficiency of installation or detection.
In actual applications, when needing to measure ground wire resistance, two piece-root grafting ground wires 1 can be connected with detection device
Connect.For example, the detection device can be universal meter, one end of universal meter can be connected with a piece-root grafting ground wire 1, and the other end can
To be connected with another earth lead 1, realize that resistance measures.By measuring the ground wire resistance after installing, it is ensured that electricity consumption is set
Reliability during standby 3 use, ensures the safety of user, has wide promotion prospect.
After test resistance is qualified, if necessary to connect electrical equipment 3, can by after the short circuit of two piece-root grafting ground wire 1, with
The corresponding components such as the plug or interface of electric equipment 3 are connected, and electrical equipment 3 is played a protective role.
It will be appreciated by persons skilled in the art that resistance of the ground wire in test and when connecting electrical equipment 3
Resistance may be different, for example, because some parts from connecting are changed into parallel, may result in test resistance and differ with actual resistance
Cause.The staff tested can estimate that actual resistance, such as series connection become resistance in parallel and can reduced according to test resistance
To 1/4.Or can establish test resistance by standard, if test resistance is qualified, ground wire can also direct plunge into use.
The ground wire that the present embodiment provides, including two grounded parts, each grounded parts include earth lead 1
And attachment means 5, one end of the earth lead 1 connect with corresponding attachment means 5, the other end be used for detection device or
Electrical equipment 3 connects, and the attachment means 5 are used to be connected with grounding copper bar 4, when ground wire connects electrical equipment 3, Ke Yibao
The Electrical Safety of electrical equipment 3 is demonstrate,proved, when being grounded connecting detection equipment, two piece-root grafting ground wires 1 can directly and detection device
Two inputs connection, so as to realize resistance measure, effectively reduce detection difficulty, improve detection efficiency.
Embodiment two
The embodiment of the present invention two provides a kind of ground wire test system, including described in detection device and any of the above-described embodiment
Ground wire.
The detection device is used to detecting the resistance information of the ground wire, and the 26S Proteasome Structure and Function of each part is equal in ground wire
Similar with embodiment one, here is omitted.
Fig. 3 is the structural representation for the ground wire test system that the embodiment of the present invention two provides.As shown in figure 3, the inspection
Measurement equipment can include：Current sensing means 8, voltage check device 9 and supply unit 10.
One end of the supply unit 10 is connected with a piece-root grafting ground wire 1, the other end can by current sensing means 8 with
Another earth lead 1 connects；The current sensing means 8 is used for the current information of the grounded wire 1 of detection stream；The voltage inspection
Device 9 is surveyed to be used to detect the information of voltage that the supply unit 10 exports.
The current sensing means 8 and the voltage check device 9 can be respectively ammeter and voltmeter, for user's root
The resistance information of ground wire is determined according to the reading of the voltmeter and the ammeter.
Further, the ammeter can be micro aning ammeter, and accuracy of detection is higher.The supply unit 10 can be
Self-contained battery, exports DC voltage, and security is higher.
The ground wire test system that the present embodiment provides, ground wire resistance, method of testing letter are measured using current and voltage method
List, speed are fast；Current measurement is carried out using micro aning ammeter, measurement accuracy is higher；DC voltage, peace are exported using self-contained battery
Quan Xinggao, danger will not be caused.
Embodiment three
The embodiment of the present invention three provides a kind of ground wire test system.The present embodiment is the technical scheme provided in embodiment two
On the basis of, controller 11 and pusher 12 are added in detection device.
Fig. 4 is the structured flowchart of detection device in the ground wire test system that the embodiment of the present invention three provides.Such as Fig. 4 institutes
Show, the detection device in the present embodiment, can include：Current sensing means 8, voltage check device 9, controller 11, push dress
Put 12 and supply unit（Not shown in figure）.
Current sensing means 8 and voltage check device 9 in the present embodiment can be that can be communicated with controller 11
Current sensing means and voltage check device, such as current sensor, voltage sensor etc..
The current sensing means 8 is connected with the controller 11, described for the current information detected to be sent to
Controller 11；The voltage check device 9 is connected with the controller 11, described for the information of voltage detected to be sent to
Controller 11；The controller 11 is connected with the pusher 12, for according to the information of voltage and current information received
It is determined that the resistance information of ground wire, and resistance information is sent to the pusher 12；The pusher 12 includes display
Device and/or loudspeaker, for by the resistance presentation of information or playing to user, " resistance is for example, can show or play
Xx ohms ".
In the present embodiment, resistance information that pusher 12 pushes to user, can be test resistance information or
Actual resistance information.Resistance information when the test resistance information is the ground wire connecting test equipment, the actual resistance
Value information connects resistance information during electrical equipment for the ground wire.
Preferably, controller 11 determines the resistance information of ground wire according to the information of voltage and the current information
Method can include：According to the information of voltage and the current information, the test resistance information of the ground wire is determined；According to
The test resistance information of the ground wire, calculate the actual resistance information of the ground wire.
Accordingly, the resistance information is pushed to user by the pusher 12, can be specially：The pusher
The actual resistance information is pushed to user by 12.
According to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated, can be had a variety of
Implementation, the present embodiment provide the following two kinds.
Mode one：Actual resistance information is determined according to annexation when annexation during test and actual use.
For example, in test, it is connected with detection device, the series connection of two piece-root grafting ground wires, in actual use, with electrical equipment
Connection, two piece-root grafting ground wires are in parallel, then it is considered that actual resistance is test resistance 1/4.If according to information of voltage and electric current
Information determines that test resistance information is 4 ohm, then actual resistance information is 1 ohm.Determine that actual resistance is believed by annexation
Breath, it is simple and convenient, treatment effeciency is higher.
Mode two：Obtain the corresponding relation of test resistance information and actual resistance information；According to the corresponding relation and
The test resistance information of the ground wire, it is determined that the actual resistance information of the corresponding ground wire.
More complicated in view of actual use situation, test resistance information and actual resistance information may not be simple line
Sexual intercourse, therefore, after test resistance information is obtained, actual resistance information can be determined by way of tabling look-up.
The corresponding relation of the test resistance information and actual resistance information can analyze experiment by big data early stage and obtain
, it is stored in table form in controller 11, or, controller 11 can obtain the corresponding relation from server.According to
Corresponding relation, can be calculated corresponding actual resistance information, and precision is more preferable.
The ground wire test system that the present embodiment provides, including current sensing means 8, voltage check device 9, controller 11
With pusher 12, controller 11 receives the current information and voltage letter that current sensing means 8 and voltage check device 9 are sent
Breath, and resistance information is calculated according to current information and information of voltage, by resistance presentation of information or played to by pusher 12
User, effectively increase precision and efficiency of detecting.
Example IV
The embodiment of the present invention four provides a kind of based on the method for testing that test system is grounded described in embodiment three.Fig. 5 is this hair
The flow chart for the method for testing that bright example IV provides.As shown in figure 5, the method in the present embodiment, can include：
Step 101, the information of voltage for receiving voltage check device transmission.
Step 102, receive the current information that current sensing means is sent.
Step 103, the resistance information for determining to be grounded according to the information of voltage and the current information.
Step 104, the resistance information is sent to pusher, so that the pusher pushes away the resistance information
Give user.
The executive agent of method can be the controller in ground wire test system in the present embodiment.
Further, the resistance information of ground wire is determined according to the information of voltage and the current information, can be included：
According to the information of voltage and the current information, the test resistance information of the ground wire is determined；
According to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated；
Accordingly, the resistance information is sent to pusher, so that the resistance information is pushed to by the pusher
User, including：
The actual resistance information is sent to the pusher, so that the pusher pushes away the actual resistance information
Give user；
Wherein, the resistance information when test resistance information is the ground wire connecting test equipment, the actual resistance letter
Cease resistance information when electrical equipment is connected for the ground wire.
Further, according to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated, can
With including：
Obtain the corresponding relation of test resistance information and actual resistance information；
According to the corresponding relation and currently detected test resistance information, it is determined that corresponding actual resistance information.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize custom logic function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. one kind ground wire, it is characterised in that including：Two grounded parts；
The grounded parts includes：Earth lead and attachment means；
One end of the earth lead connects with corresponding attachment means, and the other end is used to connect with detection device or electrical equipment
Connect；
The attachment means are used to be connected with grounding copper bar.
2. ground wire as claimed in claim 1, it is characterised in that also include：Exoperidium；
Two piece-root grafting ground wires are rolled into single line by the exoperidium；
The equal length of two piece-root grafting ground wires.
3. ground wire as claimed in claim 1 or 2, it is characterised in that also include：Insulated connecting piece；
Realized and connected by the insulated connecting piece between two attachment means；
The attachment means are crocodile mouth clip, and the insulated connecting piece is the handle of tape insulation piece.
4. one kind ground wire test system, it is characterised in that including：Described in detection device and claim any one of 1-3
Ground wire；
The detection device is used for the resistance information for detecting the ground wire.
5. ground wire test system as claimed in claim 4, it is characterised in that the detection device includes：Current detecting fills
Put, voltage check device and supply unit；
One end of the supply unit is connected with a piece-root grafting ground wire, and the other end is connected with another earth lead；
The current sensing means is used for the current information of the grounded wire of detection stream；
The voltage check device is used for the information of voltage for detecting the supply unit output.
6. ground wire test system as claimed in claim 5, it is characterised in that the current sensing means is ammeter, institute
It is voltmeter to state voltage check device.
7. ground wire test system as claimed in claim 5, it is characterised in that also include：Controller and pusher；
The current sensing means is connected with the controller, for the current information detected to be sent into the controller；
The voltage check device is connected with the controller, for the information of voltage detected to be sent into the controller；
The controller is connected with the pusher, for determining ground wire according to the information of voltage and current information that receive
Resistance information, and resistance information is sent to the pusher；
The pusher includes display device and/or loudspeaker, for showing and/or playing the resistance information.
It is 8. a kind of based on the method for testing that test system is grounded described in claim 7, it is characterised in that including：
Receive the information of voltage of voltage check device transmission；
Receive the current information that current sensing means is sent；
The resistance information of ground wire is determined according to the information of voltage and the current information；
The resistance information is sent to pusher, so that the resistance information is pushed to user by the pusher.
9. method of testing according to claim 8, it is characterised in that true according to the information of voltage and the current information
Surely the resistance information being grounded, including：
According to the information of voltage and the current information, the test resistance information of the ground wire is determined；
According to the test resistance information of the ground wire, the actual resistance information of the ground wire is calculated；
Accordingly, the resistance information is sent to pusher, so that the resistance information is pushed to by the pusher
User, including：
The actual resistance information is sent to the pusher, so that the pusher pushes away the actual resistance information
Give user；
Wherein, the resistance information when test resistance information is the ground wire connecting test equipment, the actual resistance letter
Cease resistance information when electrical equipment is connected for the ground wire.
10. method of testing according to claim 9, it is characterised in that according to the test resistance information of the ground wire, meter
The actual resistance information of the ground wire is calculated, including：
Obtain the corresponding relation of test resistance information and actual resistance information；
According to the test resistance information of the corresponding relation and the ground wire, it is determined that the actual resistance of the corresponding ground wire
Value information.
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