CN207992380U - Insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment - Google Patents
Insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment Download PDFInfo
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- CN207992380U CN207992380U CN201820376912.2U CN201820376912U CN207992380U CN 207992380 U CN207992380 U CN 207992380U CN 201820376912 U CN201820376912 U CN 201820376912U CN 207992380 U CN207992380 U CN 207992380U
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Abstract
The utility model discloses insulating materials Inverter fed motor life-span Multi-path synchronous test devices under a kind of thermal-electrical aging environment comprising thermal-electrical aging test module, short circuit protection module and high pressure generation module；High pressure generation module is for generating high pressure sinusoidal signal；Short circuit protection module is used to high pressure sinusoidal signal being divided into multichannel Hi-pot test signal, and carries out short-circuit detecting to each circuit；Thermal-electrical aging test module includes insulation transparent cabinet and sample frame, insulation transparent cabinet is closed body structure, sample frame includes insulating barrier, electrode of metal, lower metal electrode, conductive metal bar and the closed casing of insulation, multichannel Hi-pot test signal is respectively applied on a insulation sample, and insulation sample is placed between electrode of metal and lower metal electrode.The utility model can carry out Multi-path synchronous test.
Description
Technical field
The utility model is related to insulating materials Inverter fed motor detection technique field, insulate under especially a kind of thermal-electrical aging environment
Material Inverter fed motor life-span Multi-path synchronous test device.
Background technology
Since in control and energy saving etc. outstanding advantage, variable-frequency motor is widely used to wind-power electricity generation, ships drives
The fields such as dynamic, high-speed railway.Modern industry is higher using being proposed to the miniaturization of variable-frequency motor, reliability, power density
It is required that International Electrotechnical Commissio has issued technical specification thus, point out, motor is selecting insulating materials, design insulation system
When system and Motor Production Test detect, it is necessary to accordingly be tested in the case where repeating square wave and sinusoidal voltage, to detect its insulation performance；Together
When, variable-frequency motor must carry out type approval test and receive to test before operation, and the water of motor insulation tolerance electric stress is judged with this
It is flat.
Corona-resistant insulation material is widely used in variable-frequency motor due to its superior performance.The turn-to-turn insulation of motor mainly by
Insulating film material (such as Kapton) is constituted, and the quality level height of high-voltage AC motor turn-to-turn insulation directly affects
Whether to design of electrical motor horizontal advanced, it is related to the qualification rate of the manufacturing process and coil finished product in coil process, because
This, turn-to-turn insulation quality plays the role of the processing of motor with operation vital.Motor is in the process of running, it will generates
Therefore a large amount of heat carries out Inverter fed motor life-span electricity, thermal aging test seems extremely important to motor insulation film.
The current test that there is no for effectively assessing insulation film Inverter fed motor life-span performance and capableing of multichannel automatic operating
Device.
Utility model content
The purpose of utility model of the utility model is：In view of the above problems, a kind of thermal-electrical aging environment is provided
Lower insulating materials Inverter fed motor life-span Multi-path synchronous test device, can carry out Multi-path synchronous test.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of thermal-electrical aging ring is provided
Insulating materials Inverter fed motor life-span Multi-path synchronous test device under border, including thermal-electrical aging test module, short circuit protection module and height
Press generation module；The high pressure generation module is used to generate high pressure sinusoidal signal according to the voltage parameter of setting；The short circuit is protected
Shield module is used to the high pressure sinusoidal signal being divided into multichannel Hi-pot test signal, and carries out short-circuit detecting to each circuit；Institute
It includes insulation transparent cabinet and the sample frame in the insulation transparent cabinet to state thermal-electrical aging test module, and the insulation is saturating
Bright cabinet is closed body structure, and the sample frame includes insulating barrier, electrode of metal, lower metal electrode, conductive metal
Bar and the closed casing that insulate, the insulating barrier are vacantly arranged in the insulation transparent cabinet, and the insulating barrier is equipped with
Multiple lower metal electrodes are equipped with more conductive metal bars, each conductive metal bar at the top of the insulation transparent cabinet
Lower end connect the electrode of metal, multiple electrode of metal are oppositely arranged with multiple lower metal electrodes respectively,
Each lower metal electrode is grounded, and the upper end of the conductive metal bar is fixed on the insulation thoroughly by the closed casing that insulate
On bright cabinet, wherein Hi-pot test signal described in multichannel is respectively applied on a insulation sample, and the insulation sample is placed on
Between the electrode of metal and lower metal electrode.
Preferably, the short circuit protection module includes multiple high-voltage relays and multiple Hall sensors, multiple height
Potential relay is electrically connected with the output end of the high pressure generation module, and multiple high-voltage relays pass through multiple institutes respectively
Hall sensor is stated to be electrically connected with the more conductive metal bars.
Preferably, the high pressure generation module includes sequentially connected waveform generator, power amplifier and delay
Protection location, delay protection unit are electrically connected with short circuit protection module.
Preferably, it is additionally provided with display screen on the insulation transparent cabinet.
Preferably, it is arranged with grading shield on each closed casing of insulation.
Preferably, the insulating barrier is vacantly arranged by support element, the support element by be mutually connected vertically first
Support plate and the second support plate are constituted, and first support plate is fixed on the insulation transparent cabinet, and the insulating barrier is put
It sets in second support plate.
Preferably, the electrode of metal and lower metal electrode are cylinder.
Preferably, it is additionally provided with heater in the insulation transparent cabinet, is additionally provided with outside the insulation transparent cabinet for setting
The temperature setting button of the heating temperature of the fixed heater.
In conclusion by adopting the above-described technical solution, the test device of the utility model may be implemented it is efficient, accurate
Multi-path synchronous measure, test result is clearly easy to maintain, easy to operate, have be quick on the draw, be light-weight, occupying little space, cloth
Set flexibly, one man operation the remarkable advantages such as facilitate.
Description of the drawings
Fig. 1 be the utility model embodiment thermal-electrical aging environment under insulating materials Inverter fed motor life-span Multi-path synchronous test dress
The structural schematic diagram set.
Fig. 2 is the structural schematic diagram of thermal-electrical aging test module shown in FIG. 1.
Fig. 3 is the structural schematic diagram of short circuit protection module shown in FIG. 1.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract), unless specifically stated,
It is replaced by other equivalent or with similar purpose alternative features.That is, unless specifically stated, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Figure 1 to Figure 2, in the utility model embodiment, insulating materials Inverter fed motor life-span under thermal-electrical aging environment
Multi-path synchronous test device includes high pressure generation module 1, short circuit protection module 2 and thermal-electrical aging test module 3.
High pressure generation module 1 is used to generate high pressure sinusoidal signal according to the voltage parameter of setting.
Short circuit protection module 2 is used to high pressure sinusoidal signal being divided into multichannel Hi-pot test signal, and is carried out to each circuit
Short-circuit detecting.
Thermal-electrical aging test module 3 includes insulation transparent cabinet 31 and the sample frame in insulation transparent cabinet 31, absolutely
The transparent cabinet 31 of edge is closed body structure, and sample frame includes insulating barrier 321, electrode of metal 322, lower metal electrode
323, conductive metal bar 324 and the closed casing 325 of insulation, insulating barrier 321 are vacantly arranged in insulation transparent cabinet 31, insulation
Partition board 321 is equipped with multiple lower metal electrodes 323, and the top of insulation transparent cabinet 31 is equipped with more conductive metal bars 324, often
The lower end of one conductive metal bar 324 connects electrode of metal 322, multiple electrode of metal 322 respectively with multiple lower metal electrodes
323 are oppositely arranged, and each lower metal electrode 323 is grounded, and the upper end of conductive metal bar 324 is solid by the closed casing 325 that insulate
It is scheduled on insulation transparent cabinet 31, wherein multichannel Hi-pot test signal is respectively applied on a insulation sample, and insulation sample is put
It sets between electrode of metal 322 and lower metal electrode 323.It can be arranged grading shield 326 on each closed casing 325 that insulate,
Grading shield 326 can be to avoid generating voltage glitch in circuit.Electrode of metal 322 and lower metal electrode 323 can be set as cylinder
Shape.
In the present embodiment, insulating barrier 321 is vacantly arranged by support element, support element by be mutually connected vertically first
Support plate 301 and the second support plate 302 are constituted, and the first support plate 301 is fixed on insulation transparent cabinet 31, insulating barrier 321
It is placed in the second support plate 302.
In Fig. 1, Hi-pot test signal has 5 tunnels, correspondingly, can be with 5 groups of insulation examinations of synchronism detection in insulation transparent cabinet 31
Sample.After the sample that insulate is applied in Hi-pot test signal, with the increase of pressing time, insulation sample can be breakdown, to make
At the line short where it, after line short, the circuit of short circuit can be cut off, insulation sample is from the time for being pressurized to breakdown
It can be recorded, the timing result of record can be used for the analysis of insulation sample Inverter fed motor life-span.
In the present embodiment, as shown in figs. 1 and 3, short circuit protection module 2 includes multiple high-voltage relays 21 and multiple Halls
Sensor 22, multiple high-voltage relays 21 are electrically connected with the output end of high pressure generation module 1, and multiple high-voltage relays 21 divide
It is not electrically connected with more conductive metal bars 324 by multiple Hall sensors 22.Whether Hall sensor 22 can detect circuit
Transient high-current is generated, high-voltage relay 21 can be when Hall sensor 22 detects and generates transient high-current, and cut-out is current
Circuit.Wherein, when generating transient high-current in circuit, show that short circuit occurs for circuit.
High pressure generation module 1 includes that sequentially connected waveform generator 11, power amplifier 12 and delay are protected
Unit 13 is protected, delay protection unit is electrically connected with short circuit protection module 2, and waveform generator 11 can be produced according to voltage parameter
Low pressure sinusoidal signal can be enlarged into high pressure sinusoidal signal by raw low pressure sinusoidal signal, power amplifier 12.Delay protection unit
13 can be after the failure of high-voltage relay 21, the output of rupturing duty amplifier 12, to avoid danger.
In order to facilitate the observation of test result, it is additionally provided with display screen 311 on insulation transparent cabinet 31, display screen 311 can be with
Show the various data in experimentation, such as temperature, pressure, breakdown time etc..It can also be set in insulation transparent cabinet 31
Heater (not shown) is set, the temperature setting of the heating temperature of setting heater is may be provided for outside insulation transparent cabinet 31
Button.In this way, insulation transparent cabinet 31 can simulate the gaseous environment of high temperature, certainly, insulation transparent cabinet 31 is due to being closed
, therefore the acceptable further gaseous environments such as simulated high-pressure, vacuum.
In order to facilitate test, in the present embodiment, it is additionally provided on insulation transparent cabinet 31 for controlling each line start
Or stop the start-stop button (not shown) of test.
In order to realize that remote control, the test device of the utility model embodiment can coordinate host computer to be tested, lead to
It crosses the generation of host computer remote control low pressure sinusoidal signal and remotely shows the test run situation of each circuit.
By the above-mentioned means, insulating materials Inverter fed motor life-span multichannel is same under the thermal-electrical aging environment of the utility model embodiment
Step test device is tested by generating on the insulation sample that multichannel Hi-pot test signal is applied on multiple circuits, so as to
Multi-path synchronous test is enough carried out, has that be quick on the draw, be light-weight, occupying little space, flexible arrangement, one man operation facilitate etc. significantly
Advantage.
The utility model is not limited to specific implementation mode above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (9)
1. insulating materials Inverter fed motor life-span Multi-path synchronous test device under a kind of thermal-electrical aging environment, which is characterized in that including electricity
Thermal ageing test module, short circuit protection module and high pressure generation module；
The high pressure generation module is used to generate high pressure sinusoidal signal according to the voltage parameter of setting；
The short circuit protection module is used to the high pressure sinusoidal signal being divided into multichannel Hi-pot test signal, and to each circuit into
Row short-circuit detecting；
The thermal-electrical aging test module includes insulation transparent cabinet and the sample frame in the insulation transparent cabinet, described
Insulation transparent cabinet is closed body structure, and the sample frame includes insulating barrier, electrode of metal, lower metal electrode, leads
Electric metal bar and the closed casing that insulate, the insulating barrier are vacantly arranged in the insulation transparent cabinet, the insulating barrier
Multiple lower metal electrodes are equipped with, more conductive metal bars, each conduction are equipped at the top of the insulation transparent cabinet
The lower end of metallic rod connects the electrode of metal, and multiple electrode of metal are opposite with multiple lower metal electrodes respectively
Setting, each lower metal electrode is grounded, and the upper end of the conductive metal bar is fixed on described by the closed casing that insulate
On insulation transparent cabinet, wherein Hi-pot test signal described in multichannel is respectively applied on a insulation sample, the insulation sample
It is placed between the electrode of metal and lower metal electrode.
2. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, the short circuit protection module includes multiple high-voltage relays and multiple Hall sensors, multiple high-voltage relays
Device is electrically connected with the output end of the high pressure generation module, and multiple high-voltage relays pass through multiple Halls respectively
Sensor is electrically connected with the more conductive metal bars.
3. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 2,
It is characterized in that, the high pressure generation module includes sequentially connected waveform generator, power amplifier and delay protection list
Member, delay protection unit are electrically connected with short circuit protection module.
4. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, display screen is additionally provided on the insulation transparent cabinet.
5. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, grading shield is arranged on each closed casing of insulation.
6. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, the insulating barrier is vacantly arranged by support element, and the support element is by the first support plate for being mutually connected vertically
It is constituted with the second support plate, first support plate is fixed on the insulation transparent cabinet, and the insulating barrier is placed on institute
It states in the second support plate.
7. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, the electrode of metal and lower metal electrode are cylinder.
8. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, heater is additionally provided in the insulation transparent cabinet, be additionally provided with outside the insulation transparent cabinet described for setting
The temperature setting button of the heating temperature of heater.
9. insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment according to claim 1,
It is characterized in that, is additionally provided on the insulation transparent cabinet for controlling each line start or stopping the start-stop button of test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820376912.2U CN207992380U (en) | 2018-03-20 | 2018-03-20 | Insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820376912.2U CN207992380U (en) | 2018-03-20 | 2018-03-20 | Insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment |
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| Publication Number | Publication Date |
|---|---|
| CN207992380U true CN207992380U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820376912.2U Active CN207992380U (en) | 2018-03-20 | 2018-03-20 | Insulating materials Inverter fed motor life-span Multi-path synchronous test device under thermal-electrical aging environment |
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| Country | Link |
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| CN (1) | CN207992380U (en) |
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2018
- 2018-03-20 CN CN201820376912.2U patent/CN207992380U/en active Active
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