CN208270691U - A kind of calibrating device of leakage current tester - Google Patents
A kind of calibrating device of leakage current tester Download PDFInfo
- Publication number
- CN208270691U CN208270691U CN201820481365.4U CN201820481365U CN208270691U CN 208270691 U CN208270691 U CN 208270691U CN 201820481365 U CN201820481365 U CN 201820481365U CN 208270691 U CN208270691 U CN 208270691U
- Authority
- CN
- China
- Prior art keywords
- shell
- fixed block
- amplifying unit
- leakage current
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model provides a kind of calibrating device of leakage current tester, including shell, detection circuit and tourelle, shell front is equipped with range cell output terminal, amplifying unit output terminal, detection circuit is by oscillating unit, amplifying unit, range cell and electric power generating composition, oscillating unit is connected with amplifying unit, oscillating unit, amplifying unit is connected with power supply respectively, amplifying unit is connected with range cell, and it is connected through RS285 communication interface with the amplifying unit output terminal on shell, the output of range cell is connected with the range cell output terminal on shell, tourelle includes fixed block, fixed block is set to the lower section of shell, accommodating chamber is provided in fixed block, it is fixedly connected at the top of the pedestal of driving motor and accommodating chamber, the output end of driving motor is fixedly connected with one end of screw rod, the other end of screw rod It is set in mounting blocks, screw rod is threadedly coupled with mounting blocks, and the lower end of mounting blocks is fixedly connected with turning rolls, and idler wheel is set on turning rolls.
Description
Technical field
The utility model relates to a kind of calibrating device of leakage current tester.
Background technique
Leakage current refers in the case where no failure applies voltage, it is electrical in the metal parts with mutually insulated it
Between, or between electrical accessory and ground connection part, electric current is formed by by its surrounding medium or insulating surface and is known as leakage current.
According to U.S.'s UL standard, leakage current, can be from the accessible partial conductance of household electrical appliance including capacitive coupling electric current
Electric current.Leakage current tester is the instrument for measuring all kinds of appliance leakage electric currents and relevant parameter, so leakage current is surveyed
Try instrument magnitude accurately whether be directly related to security appliance and user personal safety and enterprise safety operation must not
The detecting instrument that can lack, but need to be detected in different places during detection, so needing often mobile inspection
Determine device, there can only be artificial lift calibrating installation in the prior art, and calibrating installation overall weight is heavier, this has resulted in calibrating
The mobile inconvenient problem of device.
Utility model content
The purpose of this utility model is to provide a kind of calibrating device of leakage current tester, examines leakage current tester
Determine device and be moved easily different positions to examine and determine the leakage current of different location.
The purpose of this utility model is achieved through the following technical solutions:
A kind of calibrating device of leakage current tester, including the intracorporal detection circuit of shell, shell and tourelle, shell
Front is equipped with range cell output terminal, amplifying unit output terminal, and detection circuit is by oscillating unit, amplifying unit, range
Unit and electric power generating composition, oscillating unit are connected with amplifying unit, and oscillating unit, amplifying unit are connected with power supply respectively, and amplification is single
Member is connected with range cell, and is connected through RS285 communication interface with the amplifying unit output terminal on shell, range cell
Output is connected with the range cell output terminal on shell, and tourelle includes fixed block, driving motor, mounting blocks, screw rod, rolling
Wheel carrier and idler wheel, fixed block are set to the lower section of shell, and accommodating chamber, the pedestal and appearance of driving motor are provided in fixed block
It receives and is fixedly connected at the top of chamber, the output end of driving motor is fixedly connected with one end of screw rod, and the other end of screw rod is set to peace
It fills in block, screw rod is threadedly coupled with mounting blocks, and the lower end of mounting blocks is fixedly connected with turning rolls, and idler wheel is set to turning rolls
On；
Further, turning rolls is T-type frame, is provided with an idler wheel on every one end of T-type frame；
Further, idler wheel is universal wheel；
Further, the side of fixed block is provided with push rod；
Further, the bottom of fixed block is provided with rubber layer.
Using calibrating device of leakage current tester provided by the utility model, when in use, when needing mobile shell to arrive
Control driving motor, which rotates forward, when other positions carry out calibration operation drives screw rod to rotate forward, since screw rod is threadedly coupled with mounting blocks,
The screw rod pushes mounting blocks to move downward, and mounting blocks pushing rolling wheels frame, which moves downward, makes idler wheel and ground face contact, inner anti-
Under the action of in effect, move upwards fixed block, be detached from fixed block and ground, make idler wheel directly with ground face contact, at this time
Control driving motor stops operating, thus more convenient by pushing fixed block to move it come mobile shell, when it is mobile in place
When, control driving motor reversion inverts screw rod, so that idler wheel be made to return to original position, fixed block is made with ground face contact, to make to move again
It moves more convenient laborsaving.
Detailed description of the invention
Fig. 1 is the main view schematic diagram of the utility model；
Fig. 2 is the circuit block diagram of the utility model.
Description of symbols
1, shell；2, range cell output terminal；3, amplifying unit output terminal；4, tourelle；41, fixed block；
411, accommodating chamber；42, driving motor；43, screw rod；44, mounting blocks；45, turning rolls；46, idler wheel；47, push rod；48, rubber layer.
Specific embodiment
The utility model is further described combined with specific embodiments below:
As depicted in figs. 1 and 2, a kind of calibrating device of leakage current tester, including the detection electricity in shell 1, shell 1
Road and tourelle 4,1 front of shell be equipped with range cell output terminal 2, amplifying unit output terminal 3, detection circuit be by
Oscillating unit, amplifying unit, range cell and electric power generating composition, oscillating unit are connected with amplifying unit, oscillating unit, amplifying unit
It is connected respectively with power supply, amplifying unit is connected with range cell, and defeated through RS285 communication interface and the amplifying unit on shell 1
Terminal 3 is connected out, and the output of range cell is connected with the range cell output terminal 2 on shell 1, and tourelle 4 includes solid
Determine block 41, driving motor 42, mounting blocks 44, screw rod 43, turning rolls 45 and idler wheel 46, fixed block 41 is set under shell 1
It is square, it is provided with accommodating chamber 411 in fixed block 41, the pedestal of driving motor 42 is fixedly connected with the top of accommodating chamber 411, driving electricity
The output end of machine 42 is fixedly connected with one end of screw rod 43, and the other end of screw rod 43 is set in mounting blocks 44, screw rod 43 and peace
It fills block 44 to be threadedly coupled, the lower end of mounting blocks 44 is fixedly connected with turning rolls 45, and idler wheel 46 is set on turning rolls 45, is made
Used time, when needing mobile shell 1 to carry out calibration operation to other positions, control driving motor 42, which is rotated forward, drives screw rod 43 to rotate forward,
Since screw rod 43 is threadedly coupled with mounting blocks 44, the screw rod 43 pushes mounting blocks 44 to move downward, 44 pushing rolling wheels of mounting blocks
Frame 45, which moves downward, makes idler wheel 46 and ground face contact, under the action of in inner reaction, moves upwards fixed block 41, makes solid
Determine block 41 and ground is detached from, idler wheel 46 is made directly with ground face contact, to control driving motor 42 at this time and stop operating, to pass through
Push fixed block 41 come mobile shell 1 move it is more convenient, when it is mobile in place when, control driving motor 42 inverts, and makes spiral shell
Bar 43 inverts, so that idler wheel 46 be made to return to original position, fixed block 41 is made with ground face contact, to make to move more convenient laborsaving again.
As shown in Figure 1, turning rolls 45 is T-type frame, it is provided with an idler wheel 46 on every one end of T-type frame, setting in this way is worked as
Idler wheel 46 when being contacted with ground can be more stable support fixed block 41, avoid fixed block 41 tilt, further, idler wheel
46 be universal wheel, and the convenient direction on the move for adjusting advance, further, the side of fixed block 41 is provided with push rod 47, side
Just push fixed block 41, further, the bottom of fixed block 41 is provided with rubber layer 48, when fixed block 41 when being contacted with ground,
The frictional force between fixed block 41 and ground can be improved, while can prevent fixed block 41 from wearing ground.
Claims (5)
1. a kind of calibrating device of leakage current tester, which is characterized in that including shell, the intracorporal detection circuit of shell and rolling
Device, shell front are equipped with range cell output terminal, amplifying unit output terminal, and detection circuit is by oscillating unit, amplification
Unit, range cell and electric power generating composition, oscillating unit are connected with amplifying unit, and oscillating unit, amplifying unit are respectively the same as power supply phase
Even, amplifying unit is connected with range cell, and is connected through RS285 communication interface with the amplifying unit output terminal on shell, amount
The output of Cheng Danyuan is connected with the range cell output terminal on shell, and the tourelle includes fixed block, driving motor, peace
Dress block, screw rod, turning rolls and idler wheel, the fixed block are set to the lower section of the shell, appearance are provided in the fixed block
It receives chamber, is fixedly connected at the top of the pedestal of the driving motor and the accommodating chamber, the output end and screw rod of the driving motor
One end be fixedly connected, the other end of the screw rod is set in the mounting blocks, and screw rod is threadedly coupled with the mounting blocks, institute
The lower end for stating mounting blocks is fixedly connected with the turning rolls, and the idler wheel is set on the turning rolls.
2. calibrating device of leakage current tester as described in claim 1, which is characterized in that the turning rolls is T-type frame, T
An idler wheel is provided on every one end of type frame.
3. calibrating device of leakage current tester as claimed in claim 2, which is characterized in that the idler wheel is universal wheel.
4. calibrating device of leakage current tester as claimed in claim 3, which is characterized in that the side of the fixed block is arranged
There is push rod.
5. calibrating device of leakage current tester as claimed in claim 3, which is characterized in that the bottom of the fixed block is arranged
There is rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481365.4U CN208270691U (en) | 2018-04-04 | 2018-04-04 | A kind of calibrating device of leakage current tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820481365.4U CN208270691U (en) | 2018-04-04 | 2018-04-04 | A kind of calibrating device of leakage current tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270691U true CN208270691U (en) | 2018-12-21 |
Family
ID=64676177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820481365.4U Expired - Fee Related CN208270691U (en) | 2018-04-04 | 2018-04-04 | A kind of calibrating device of leakage current tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270691U (en) |
-
2018
- 2018-04-04 CN CN201820481365.4U patent/CN208270691U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20210404 |