CN205809180U - Insulation resistance tester - Google Patents
Insulation resistance tester Download PDFInfo
- Publication number
- CN205809180U CN205809180U CN201620736794.2U CN201620736794U CN205809180U CN 205809180 U CN205809180 U CN 205809180U CN 201620736794 U CN201620736794 U CN 201620736794U CN 205809180 U CN205809180 U CN 205809180U
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- unit
- insulation resistance
- processing unit
- mcu processing
- control panel
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Abstract
The open a kind of Insulation Resistance Tester of this utility model, including casing, lid and, tester body includes, control panel；Testing module, it includes voltage generating unit, current output unit, voltage regulation unit, leakage current testing unit, MCU processing unit, and voltage regulation unit is series between voltage generating unit and MCU processing unit；Rechargeable battery；All being embedded at the calibrating terminal on control panel, LCDs, power interface, calibrating terminal is connected with current output unit and leakage current testing unit, and LCDs is connected with MCU processing unit, and power interface is connected with rechargeable battery.On the one hand this utility model arranges casing and case lid accommodates tester body, which raises the convenience carried, on the other hand voltage regulation unit is set in test module, thus form multiple different test voltage, improve its popularity used, and the present embodiment uses rechargeable battery to be power supply, it is simple to field usage.
Description
Technical field
This utility model relates to megger test technology, especially relates to a kind of Insulation Resistance Tester.
Background technology
Insulation Resistance Tester, refers generally to megameter, its scale by megaohm in units of.Megameter is that electrician commonly uses
A kind of measuring instruments, it is mainly used to check electrical equipment, household electrical appliance or electric wiring over the ground and alternate insulation resistance,
To ensure that these equipment, electrical equipment and line work are at normal condition, it is to avoid the accident such as electric shock injures and deaths and device damage occurs.
But, existing Insulation Resistance Tester, volume more greatly, the most portable, nor can be suitably used for multiple difference
Range, thus cause its application the narrowest.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, proposes a kind of Insulation Resistance Tester, solves existing
The technical problem that in technology, Insulation Resistance Tester volume is greatly, the most portable and testing range is narrow.
For reaching above-mentioned technical purpose, the technical solution of the utility model provides a kind of Insulation Resistance Tester, including case
Body, lid and one are built in the tester body in described casing, and described tester body includes,
One control panel being embedded at described box opening end, is formed with installation between described control panel and described casing
Cavity；
Being built in the test module of described installation cavity, described test module includes one for forming the voltage of setting voltage
Generating unit, a current output unit being connected with described voltage generating unit, one is used for regulating described voltage generating unit produces
The voltage regulation unit of raw voltage, one for testing the leakage current testing unit of the leakage current in tested insulation resistance,
One for processing the MCU processing unit of described leakage current testing unit testing data, and described voltage regulation unit is series at institute
State between voltage generating unit and described MCU processing unit；
One rechargeable battery being connected with described MCU processing unit；And
All it is embedded at the calibrating terminal on described control panel, LCDs, power interface, described calibrating terminal and institute
Stating current output unit and leakage current testing unit connects, described LCDs is connected with described MCU processing unit, described
Power interface is connected with described rechargeable battery.
Preferably, described tester body includes a battery alert lamp being embedded at described control panel, described test mould
Block includes one for obtaining the electric quantity acquisition unit of described rechargeable battery electricity, described electric quantity acquisition unit and battery alert lamp
All it is connected with described MCU processing unit.
Preferably, described control panel being additionally provided with a power knob, described power knob is series at described chargeable
Between battery and described MCU processing unit.
Preferably, described test module includes that one records unit, described time record for the time of recording test time
Unit is connected with described MCU processing unit.
Preferably, described test module includes one for testing the capacity measurement unit of the electric capacity of tested insulation resistance, institute
State capacity measurement unit to be series between described calibrating terminal and described MCU processing unit.
Preferably, described control panel is additionally provided with one and adjusts for regulating the display screen of the gray scale of described LCDs
Joint button.
Preferably, described rechargeable battery is 12.6V lithium-ions battery.
Compared with prior art, on the one hand this utility model arranges casing and case lid accommodates tester body, which raises
The convenience carried, on the other hand arranges voltage regulation unit in test module, thus forms multiple different test voltage,
Improve its popularity used, and the present embodiment uses rechargeable battery to be power supply, it is simple to field usage.
Accompanying drawing explanation
Fig. 1 is the attachment structure schematic diagram of Insulation Resistance Tester of the present utility model；
Fig. 2 is the connection block diagram of tester body of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Referring to Fig. 1, Fig. 2, embodiment of the present utility model provides a kind of Insulation Resistance Tester, including casing 1, lid
Body 2 and one is built in the tester body 3 in described casing 1, and described tester body 3 includes,
One control panel 31 being embedded at described casing 1 opening, is formed between described control panel 31 and described casing 1
There is installation cavity；
Being built in the test module 32 of described installation cavity, described test module 32 includes one for forming setting voltage
The current output unit 322 that voltage generating unit 321, is connected with described voltage generating unit 321, one is used for regulating described electricity
The voltage regulation unit 323 of voltage that pressure generating unit 321 produces, one for testing leakage current in tested insulation resistance
Leakage current testing unit 324, one is used for processing described leakage current testing unit 324 tests the MCU processing unit of data
325, described voltage regulation unit 323 is series between described voltage generating unit 321 and described MCU processing unit 325；
One rechargeable battery 36 being connected with described MCU processing unit 325；And
All it is embedded at the calibrating terminal 33 on described control panel 31, LCDs 34, power interface 35, described test
Terminal 33 is connected with described current output unit 322 and leakage current testing unit 324, and described LCDs 34 is with described
MCU processing unit 325 connects, and described power interface 35 is connected with rechargeable battery 36.
When specifically testing, by p-wire connecting test terminal 33 and insulation resistance to be measured, by voltage generating unit 321
Form high voltage, specifically can form the voltage of 500V, 1000V, 2500V, 5000V, 10000V, and can be as desired by electricity
Pressure regulation unit 323 is adjusted, and specifically can be adjusted by the voltage-regulation button 37 being arranged on control panel 31, electricity
Pressure regulation button 37 is connected with MCU processing unit.After forming high voltage, by current output unit 322, electric current can be inputted extremely
In tested insulation resistance, and test the leakage current in tested insulation resistance by leakage current testing unit 324, test data
It is delivered to MCU processing unit 325 process, is shown by LCDs 34 after process.Wherein, described chargeable electricity
Pond 36 is 12.6V lithium-ions battery, and it can be built in installation cavity body.
When test, easily there is the less situation causing testing of rechargeable battery 36 electricity, in order to avoid surveying
Examination, described tester body 3 includes a battery alert lamp 38 being embedded at described control panel 31, and described test module 32 includes
One for obtaining the electric quantity acquisition unit 326 of described rechargeable battery 36 electricity, described electric quantity acquisition unit 326 and battery alert
Lamp 38 is all connected with described MCU processing unit 325, by the electricity of electric quantity acquisition unit 326 Real-time Collection chargeable battery 36,
When allowing the electricity gathered less than setting value, then start battery alert lamp 38 and flash, remind operator to charge in time.Wherein, normally
During use, battery alert lamp 38 is in normal bright state.
For the ease of the control to tester body 3, described control panel 31 is additionally provided with a power knob 39, described
Power knob 39 is series between described rechargeable battery 36 and described MCU processing unit 325, can be incited somebody to action by power knob 39
Tester body 3 is turned on and off.
And for the ease of the accuracy of test, described test module 32 includes one for the time record of recording test time
Unit 327, record unit 327 of described time is connected with described MCU processing unit 325, and this time record unit 327 can be remembered in real time
The record testing time is also shown in LCDs 34.
Wherein, owing to the leakage current of test is capacitance current, it is relevant to the electric capacity of tape test insulation resistance, in order to survey
The accuracy of examination, tests module 32 described in the present embodiment and includes one for testing the capacity measurement list of the electric capacity of tested insulation resistance
Unit 328, described capacity measurement unit 328 is series between described calibrating terminal 33 and described MCU processing unit 325.
Change owing to the variations in temperature in test process is easily caused the gray scale of LCDs 34, easily affect liquid crystal
The normal use of display screen 34, therefore it is additionally provided with one on control panel 31 described in the present embodiment for regulating described LCDs 34
Gray scale display screen regulation button 30.
Compared with prior art, on the one hand this utility model arranges casing and case lid accommodates tester body, which raises
The convenience carried, on the other hand arranges voltage regulation unit in test module, thus forms multiple different test voltage,
Improve its popularity used, and the present embodiment uses rechargeable battery to be power supply, it is simple to field usage.
The above detailed description of the invention of the present utility model, is not intended that the restriction to this utility model protection domain.
Any various other made according to technology of the present utility model design change and deformation accordingly, should be included in this practicality
In novel scope of the claims.
Claims (7)
1. an Insulation Resistance Tester, it is characterised in that include the tester that casing, lid and are built in described casing
Body, described tester body includes,
One control panel being embedded at described box opening end, is formed with installation cavity between described control panel and described casing
Body；
Being built in the test module of described installation cavity, described test module includes that one occurs for forming the voltage of setting voltage
Unit, a current output unit being connected with described voltage generating unit, one for regulating what described voltage generating unit produced
The voltage regulation unit of voltage, one for testing the leakage current testing unit of the leakage current in tested insulation resistance, and one uses
In the MCU processing unit of the described leakage current testing unit testing data of process, described voltage regulation unit is series at described electricity
Between pressure generating unit and described MCU processing unit；
One rechargeable battery being connected with described MCU processing unit；And
All it is embedded at the calibrating terminal on described control panel, LCDs, power interface, described calibrating terminal and described electricity
Stream output unit and leakage current testing unit connect, and described LCDs is connected with described MCU processing unit, described power supply
Interface is connected with described rechargeable battery.
Insulation Resistance Tester the most according to claim 1, it is characterised in that described tester body includes that one is embedded at
The battery alert lamp of described control panel, described test module includes that one adopts for obtaining the electricity of described rechargeable battery electricity
Collection unit, described electric quantity acquisition unit and battery alert lamp are all connected with described MCU processing unit.
Insulation Resistance Tester the most according to claim 2, it is characterised in that be additionally provided with an electricity on described control panel
Source button, described power knob is series between described rechargeable battery and described MCU processing unit.
4. according to the Insulation Resistance Tester described in Claims 2 or 3, it is characterised in that described test module include one for
The time record unit of recording test time, record unit of described time is connected with described MCU processing unit.
Insulation Resistance Tester the most according to claim 4, it is characterised in that described test module includes one for testing
The capacity measurement unit of the electric capacity of tested insulation resistance, described capacity measurement unit is series at described calibrating terminal and described MCU
Between processing unit.
Insulation Resistance Tester the most according to claim 5, it is characterised in that be additionally provided with a use on described control panel
Display screen regulation button in the gray scale regulating described LCDs.
Insulation Resistance Tester the most according to claim 6, it is characterised in that described rechargeable battery be 12.6V lithium from
Sub-accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736794.2U CN205809180U (en) | 2016-07-13 | 2016-07-13 | Insulation resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736794.2U CN205809180U (en) | 2016-07-13 | 2016-07-13 | Insulation resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809180U true CN205809180U (en) | 2016-12-14 |
Family
ID=57510107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736794.2U Expired - Fee Related CN205809180U (en) | 2016-07-13 | 2016-07-13 | Insulation resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001535A (en) * | 2018-08-10 | 2018-12-14 | 惠州市盛联电子有限公司 | A kind of DC resistance meter |
-
2016
- 2016-07-13 CN CN201620736794.2U patent/CN205809180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001535A (en) * | 2018-08-10 | 2018-12-14 | 惠州市盛联电子有限公司 | A kind of DC resistance meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161214 Termination date: 20190713 |