CN204065351U - Energy feedback type solid-state relay test unit - Google Patents
Energy feedback type solid-state relay test unit Download PDFInfo
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- CN204065351U CN204065351U CN201420463224.1U CN201420463224U CN204065351U CN 204065351 U CN204065351 U CN 204065351U CN 201420463224 U CN201420463224 U CN 201420463224U CN 204065351 U CN204065351 U CN 204065351U
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- state relay
- solid
- output terminal
- tested
- test board
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- 238000011084 recovery Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 206010019332 Heat exhaustion Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of energy feedback type solid-state relay test unit, comprise high-temperature test chamber, test board, control panel and experiment power supply, described test board installs solid-state relay to be tested, described test board is positioned at high-temperature test chamber, described test board is connected with described control panel, described test board is electrically connected with described experiment power supply, described solid-state relay to be tested is connected with energy recovery module, described energy recovery module comprises rectification circuit, PWM controller and boosting inverter device, described solid-state relay to be tested is connected with the input end of described rectification circuit, the output terminal of described rectification circuit is connected with described PWM controller, described PWM controller is connected with the input end of described boosting inverter device, the output terminal of described boosting inverter device is connected with the output terminal of described experiment power supply.The utility model is energy-conservation, and energy feedback efficiency can reach more than 85%, effectively reduces heat dissipation.
Description
Technical field
The utility model relates to a kind of energy feedback type solid-state relay test unit.
Background technology
The output load of solid-state relay test unit adopts two kinds of patterns both at home and abroad at present: 1. directly adopt resistance as load, need change different pull-up resistors very inconvenient, and output power all converts heat exhaustion to for different output specifications; 2. adopt consumption-type electronic load, can program control operation to adapt to different output specifications, but output power still all converts heat exhaustion to.The conversion consumption power of solid-state relay self only have bearing power 1% ~ 3% between, during visible test, main power consumption is all convert heat to waste, simultaneously because thermal value causes greatly test ambient temperature very high, affect stability and the reliability of test unit.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing solid-state relay test unit exists, the utility model provides a kind of energy-conservation, efficient energy feedback type solid-state relay test unit.
The technical solution adopted in the utility model is:
Energy feedback type solid-state relay test unit, comprise high-temperature test chamber, test board, control panel and experiment power supply, described test board installs solid-state relay to be tested, described test board is positioned at high-temperature test chamber, described control panel is positioned at control chamber, described test board is connected with described control panel, described test board is electrically connected with described experiment power supply, it is characterized in that: described solid-state relay to be tested is connected with energy recovery module, described energy recovery module comprises rectification circuit, PWM controller and boosting inverter device, described solid-state relay to be tested is connected with the input end of described rectification circuit, the output terminal of described rectification circuit is connected with described PWM controller, described PWM controller is connected with the input end of described boosting inverter device, the output terminal of described boosting inverter device is connected with the output terminal of described experiment power supply.
Further, described energy recovery module also comprises constant-current control circuit, the constant-current control circuit described in output terminal connection of described rectification circuit, the PWM controller described in described constant-current control circuit connects.
Further, connection line between the output terminal of described experiment power supply and described solid-state relay to be tested is provided with the first isolating diode, and the connection line between the output terminal of described boosting inverter device and described solid-state relay to be tested is provided with the second isolating diode.
Further, described test board is connected with described control panel by highly reliable marking current bus coupling assembling.
The output of the utility model solid-state relay to be tested is by feeding back to its input end after energy recovery module buck conversion described on control panel, actual power loss when not only having reached the test current of requirement but also significantly can save test, effectively reduce environment temperature rise simultaneously, improve stability and the reliability of test unit.
The course of work of energy recovery module is as follows: solid-state relay to be tested exports and becomes DC voltage through rectifier circuit rectifies, automatically control PWM controller adjustment boost conversion circuit by constant-current control circuit again to export, reach the test current of program control setting, this voltage exports and sends solid-state relay supplying power for input end back to simultaneously.
The utility model has the advantages that: 1, energy-conservation, energy feedback efficiency can reach more than 85%, reduces by more than 85% thermal value, significantly reduces experimentation cost; 2, effectively reduce heat dissipation, improve experimental enviroment, improve reliability.
Accompanying drawing explanation
Fig. 1 is the utility model structural drawing.
Fig. 2 is utility model works schematic diagram.
Embodiment
See figures.1.and.2, energy feedback type solid-state relay test unit, comprise high-temperature test chamber 1, test board 2, control panel 3 and experiment power supply 4, described test board 2 installs solid-state relay 5 to be tested, described test board 2 is positioned at high-temperature test chamber 1, described control panel 3 is positioned at control chamber 8, described test board 2 is connected with described control panel 3, described test board 2 is electrically connected with described experiment power supply 4, described solid-state relay to be tested 5 is connected with energy recovery module 6, described energy recovery module 6 comprises rectification circuit, PWM controller and boosting inverter device, described solid-state relay to be tested 5 is connected with the input end of described rectification circuit, the output terminal of described rectification circuit is connected with described PWM controller, described PWM controller is connected with the input end of described boosting inverter device, the output terminal of described boosting inverter device is connected with the output terminal of described experiment power supply 4.
Further, described energy recovery module 6 also comprises constant-current control circuit, the constant-current control circuit described in output terminal connection of described rectification circuit, the PWM controller described in described constant-current control circuit connects.
Further, connection line between the output terminal of described experiment power supply and described solid-state relay to be tested is provided with the first isolating diode, and the connection line between the output terminal of described boosting inverter device and described solid-state relay to be tested is provided with the second isolating diode.
Further, described test board is connected with described control panel by highly reliable marking current bus coupling assembling 7.
During test, test parameters is sent to control panel by computer for controlling, control panel produces the control signal determined and operating voltage delivers to the solid-state relay to be tested in high-temperature test chamber on breadboard by highly reliable marking current bus coupling assembling, makes it normally work by the test condition of regulation.Solid-state relay to be tested exports through rectifier circuit rectifies, controlling PWM controller by constant-current control circuit regulates boosting DC/DC boost conversion circuit to export the test current reaching setting automatically, this voltage output (through diode-isolated) and experiment power supply export (through diode-isolated) and send solid-state relay input end together back to, to reach energy-conservation object simultaneously.The temperature of solid-state relay to be tested controls by regulating high-temperature test chamber temperature.
Content described in this instructions embodiment is only enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (4)
1. energy feedback type solid-state relay test unit, comprise high-temperature test chamber, test board, control panel and experiment power supply, described test board installs solid-state relay to be tested, described test board is positioned at high-temperature test chamber, described control panel is positioned at control chamber, described test board is connected with described control panel, described test board is electrically connected with described experiment power supply, it is characterized in that: described solid-state relay to be tested is connected with energy recovery module, described energy recovery module comprises rectification circuit, PWM controller and boosting inverter device, described solid-state relay to be tested is connected with the input end of described rectification circuit, the output terminal of described rectification circuit is connected with described PWM controller, described PWM controller is connected with the input end of described boosting inverter device, the output terminal of described boosting inverter device is connected with the output terminal of described experiment power supply.
2. energy feedback type solid-state relay test unit as claimed in claim 1, it is characterized in that: described energy recovery module also comprises constant-current control circuit, the constant-current control circuit described in output terminal connection of described rectification circuit, the PWM controller described in described constant-current control circuit connects.
3. energy feedback type solid-state relay test unit as claimed in claim 1 or 2, it is characterized in that: the connection line between the output terminal of described experiment power supply and described solid-state relay to be tested is provided with the first isolating diode, the connection line between the output terminal of described boosting inverter device and described solid-state relay to be tested is provided with the second isolating diode.
4. energy feedback type solid-state relay test unit as claimed in claim 1 or 2, is characterized in that: described test board is connected with described control panel by highly reliable marking current bus coupling assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463224.1U CN204065351U (en) | 2014-08-15 | 2014-08-15 | Energy feedback type solid-state relay test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420463224.1U CN204065351U (en) | 2014-08-15 | 2014-08-15 | Energy feedback type solid-state relay test unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065351U true CN204065351U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420463224.1U Expired - Fee Related CN204065351U (en) | 2014-08-15 | 2014-08-15 | Energy feedback type solid-state relay test unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065351U (en) |
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2014
- 2014-08-15 CN CN201420463224.1U patent/CN204065351U/en not_active Expired - Fee Related
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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: 20141231 |