CN201251604Y - Test device for a converter power module of an air-conditioner - Google Patents
Test device for a converter power module of an air-conditioner Download PDFInfo
- Publication number
- CN201251604Y CN201251604Y CNU2008200273846U CN200820027384U CN201251604Y CN 201251604 Y CN201251604 Y CN 201251604Y CN U2008200273846 U CNU2008200273846 U CN U2008200273846U CN 200820027384 U CN200820027384 U CN 200820027384U CN 201251604 Y CN201251604 Y CN 201251604Y
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- box body
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- heating radiator
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- temperature
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Abstract
The utility model discloses a test device for a converter power module of an air-conditioner. The utility model aims at the prior reliability test of the converter power module of the air-conditioner, and provides a device which can reliably control heating and heat dissipating power devices to precisely control the temperature of a radiator provided with the power module, and the device can accurately and reliably detect and display the surface temperature of the power module at real time. The technical proposal is as follows: the test device comprises a box body, wherein, the radiator is arranged on the top surface of the box body, and a temperature sensor and a heating device are arranged on the radiator; the temperature sensor is connected with a temperature controller; a heat dissipating device is arranged at one lateral side of the box body, and a vent is arranged at the other lateral side; and the heating device and the heat dissipating device are electrically connected with the temperature controller.
Description
Technical field
The utility model belongs to air-conditioning and Refrigeration Engineering technical field, specifically, relates to a kind of air conditioning frequency converter power model test unit.
Background technology
Power model can only be placed on the air conditioner complete machine when at present carrying out temperature stress experiment in the reliability and move for the transducer power module in the transducer air conditioning (IPM module), the power model surface temperature can be subjected to uncontrollable factor influences such as environment temperature, radiator fan wind speed so, thereby cause the power model surface temperature can't reach the temperature stress requirement of expection, and power model need closely contact with heating radiator when moving with complete machine, thus cause the power model surface temperature can't be accurately, intuitively record.
When being installed to the IPM module on the air conditioner, must pretesting IPM module surface whether reach the temperature stress requirement of expection, reach accurately, measure intuitively then is the problem that the utility model faced.
Summary of the invention
The utility model provides a kind of air conditioning frequency converter reliability of Power Modules test unit, can solve the problem that accurately surface measurements temperature stress requirement that prior art exists and surface temperature can't accurate and visual demonstrations.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of air conditioning frequency converter power model test unit, this device comprises a box body, on the end face of described box body, be provided with heating radiator, on described heating radiator, be provided with temperature sensor and heating arrangement, described temperature sensor connects a temperature controller, a described box body wherein side is provided with heat abstractor, and the another side is provided with ventilating opening, and described heating arrangement and heat abstractor are electrically connected with described temperature controller.
In technique scheme of the present utility model, also have following technical characterictic: described temperature controller is the temp controlled meter that has the PID function.
In technique scheme of the present utility model, also have following technical characterictic: described temperature sensor is a thermocouple sensor, this thermopair is positioned near the through hole the described heating radiator central authorities, and its probe maintains an equal level with spreader surface and touches with air conditioning frequency converter power model bottom connection to be tested.
In technique scheme of the present utility model, also have following technical characterictic: described heat abstractor is an aerofoil fan, the air outlet of this aerofoil fan is in described box body, the air channel of described aerofoil fan is parallel with the fin direction of described heating radiator, well heating radiator is dispelled the heat.
In technique scheme of the present utility model, also have following technical characterictic: described heating arrangement is the PTC heating rod, and its shell is an electrical insulator.
In technique scheme of the present utility model, also have following technical characterictic: described PTC heating rod is positioned at the both sides of described heating radiator bottom surface central authorities, and is fixed on the described heating radiator by bonding jumper.
In technique scheme of the present utility model, also have following technical characterictic: described box body is the box body of a sealing, and described end face can be opened, and is connected with the side of described box body by Magnetic sucking switch.
In technique scheme of the present utility model, also have following technical characterictic: described box body adopts bakelite to make.The chemical name of bakelite has good flame and electrical insulating property in phenoplast.
Compared with prior art, advantage of the present utility model and good effect are:
The utility model is at the fail-test of existing air conditioning frequency converter power model (IPM module), provide a kind of can reliably control heating, heat radiation power device with the temperature of the heating radiator that is used in the installation power module can be precisely controlled device, and device can be accurately, reliably the power model surface temperature is detected in real time, shows.
The IPM module housing temperature protection point that present each manufacturer provides is 100 ℃.At this temperature parameter, the scheme that adopts the temp controlled meter that has the PID function to control PTC heating rod and aerofoil fan is carried out temperature control to the heating radiator that IPM is installed.Promptly work as thermopair acquisition module surface temperature and heat less than two PTC heating rods that the temp controlled meter of prescribing a time limit under the design temperature is embedded on the heating radiator, this moment, the spreader surface temperature rose; Be higher than on the design temperature in limited time when thermopair collects the module table surface temperature, temp controlled meter is closed the PTC heating rod and is opened the heat radiation aerofoil fan heating radiator is carried out wind-cooling heat dissipating, and radiator temperature is descended; Because the embedded pid algorithm of temp controlled meter makes temperature control steadily.And the pre-buried high precision thermocouple sensor of through hole can closely contact operating power model on this device radiation device, makes the surface temperature of power model intuitively to show in real time.
Description of drawings
Fig. 1 is the structural representation of the utility model air conditioning frequency converter power model test unit;
Fig. 2 is the structural representation that has the test unit of air conditioning frequency converter power model;
Wherein: 1, box body; 1-1, box body end face; 1-2, box body side; 1-3, ventilating opening; 2, IPM module; 3, heating radiator; 3-1, through hole; 4, thermocouple sensor; 5, PTC heating rod; 6, temp controlled meter; 7, aerofoil fan; 8, bonding jumper; 9, Magnetic sucking switch.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of air conditioning frequency converter power model test unit, this device comprise the box body 1 that a bakelite is made, and are provided with heating radiator 3 on the end face 1-1 of described box body 1, are provided with high precision thermocouple sensor 4 and PTC heating rod 5 on described heating radiator 3;
The shell of this PTC heating rod 5 is an electrical insulator, and described PTC heating rod 5 is positioned at the both sides of described heating radiator 3 bottom surface central authorities, and is fixed on the described heating radiator 3 by bonding jumper 8.
Thermocouple sensor 4 is embedded near the described heating radiator 3 central through hole 3-1 in advance, its probe (not shown on the figure) and heating radiator 3 surfaces maintain an equal level and touch with air conditioning frequency converter power model 2 bottom connections to be tested, the structural representation of the test unit that has the air conditioning frequency converter power model as shown in Figure 2, sensor can closely contact operating power model like this, makes the surface temperature of power model intuitively to show in real time;
Described thermocouple sensor 4 connects a temp controlled meter 6, and described temp controlled meter 6 has the PID function, and promptly temp controlled meter 6 embedded pid algorithms make temperature control steadily.
Described box body 1 a wherein side 1-2 is provided with aerofoil fan 7, and the air outlet of this aerofoil fan 7 is in described box body 1, and the air channel of described aerofoil fan 7 is parallel with the fin direction of described heating radiator 3.Another side 1-2 is provided with ventilating opening 1-3, and described PTC heating rod 5 and aerofoil fan 7 are electrically connected with described temp controlled meter 6.
Described box body 1 is the box body of a sealing, and to form the air channel of aerofoil fan 7 preferably, described box body end face 1-1 can open, and is connected with the side 1-2 of described box body 1 by Magnetic sucking switch 9.
Concrete test is as follows: after air conditioning frequency converter power model 2 that will be to be tested is connected to and moves on the test unit, thermocouple sensor 4 acquisition modules 2 surface temperatures, and then pass to temp controlled meter 6, temp controlled meter 6 is according to the temperature range of module 2 surface temperatures that set in advance, control aerofoil fan 7 and the PTC heating rod 5 that is attached thereto by temp controlled meter 6 again, aerofoil fan 7 whether is opened in decision or PTC heating rod 5 reaches the temperature of adjusting heat interchanger 3.This test unit has avoided existing IPM module to carry out temperature stress when experiment in the reliability, power model can only be placed on many defectives and the deficiency of moving on the air conditioner complete machine, simulated real working environment in the air-conditioning, the work that the temperature stress that makes pretesting IPM module surface whether reach expection requires reaches accurately, measures intuitively.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (8)
1, a kind of air conditioning frequency converter power model test unit, it is characterized in that: this device comprises a box body, on the end face of described box body, be provided with heating radiator, on described heating radiator, be provided with temperature sensor and heating arrangement, described temperature sensor connects a temperature controller, a described box body wherein side is provided with heat abstractor, and the another side is provided with ventilating opening, and described heating arrangement and heat abstractor are electrically connected with described temperature controller.
2, test unit according to claim 1 is characterized in that: described temperature controller is the temp controlled meter that has the PID function.
3, test unit according to claim 2 is characterized in that: described temperature sensor is a thermocouple sensor, and this thermopair is positioned near the through hole of described heating radiator central authorities, and its probe maintains an equal level with spreader surface.
4, according to claim 1 or 3 described test units, it is characterized in that: described heat abstractor is an aerofoil fan, and the air outlet of this aerofoil fan is in described box body, and the air channel of described aerofoil fan is parallel with the fin direction of described heating radiator.
5, test unit according to claim 4 is characterized in that: described heating arrangement is the PTC heating rod, and its shell is an electrical insulator.
6, test unit according to claim 5 is characterized in that: described PTC heating rod is positioned at the both sides of described heating radiator bottom surface central authorities, and is fixed on the described heating radiator by bonding jumper.
7, test unit according to claim 4 is characterized in that: described box body is the box body of a sealing, and described end face can be opened, and is connected with the side of described box body by Magnetic sucking switch.
8, test unit according to claim 7 is characterized in that: described box body adopts bakelite to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200273846U CN201251604Y (en) | 2008-08-27 | 2008-08-27 | Test device for a converter power module of an air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200273846U CN201251604Y (en) | 2008-08-27 | 2008-08-27 | Test device for a converter power module of an air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251604Y true CN201251604Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200273846U Expired - Fee Related CN201251604Y (en) | 2008-08-27 | 2008-08-27 | Test device for a converter power module of an air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251604Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655273A (en) * | 2009-09-11 | 2010-02-24 | 广东美的电器股份有限公司 | Variable frequency control device and variable frequency control method of variable frequency air-conditioner |
| CN102778624A (en) * | 2012-07-30 | 2012-11-14 | 北京合康亿盛变频科技股份有限公司 | Device and method for verifying power unit design of cascaded high-voltage frequency converter |
| CN109459648A (en) * | 2018-12-30 | 2019-03-12 | 北京天诚同创电气有限公司 | The loss measurement method and system of current transformer |
-
2008
- 2008-08-27 CN CNU2008200273846U patent/CN201251604Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655273A (en) * | 2009-09-11 | 2010-02-24 | 广东美的电器股份有限公司 | Variable frequency control device and variable frequency control method of variable frequency air-conditioner |
| CN101655273B (en) * | 2009-09-11 | 2013-04-17 | 广东美的电器股份有限公司 | Variable frequency control device and variable frequency control method of variable frequency air-conditioner |
| CN102778624A (en) * | 2012-07-30 | 2012-11-14 | 北京合康亿盛变频科技股份有限公司 | Device and method for verifying power unit design of cascaded high-voltage frequency converter |
| CN109459648A (en) * | 2018-12-30 | 2019-03-12 | 北京天诚同创电气有限公司 | The loss measurement method and system of current transformer |
| CN109459648B (en) * | 2018-12-30 | 2021-01-22 | 北京天诚同创电气有限公司 | Loss measurement method and system of converter |
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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 |
Granted publication date: 20090603 Termination date: 20150827 |
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| EXPY | Termination of patent right or utility model |