CN205427077U - Multichannel ann rule test system - Google Patents
Multichannel ann rule test system Download PDFInfo
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- CN205427077U CN205427077U CN201620199235.2U CN201620199235U CN205427077U CN 205427077 U CN205427077 U CN 205427077U CN 201620199235 U CN201620199235 U CN 201620199235U CN 205427077 U CN205427077 U CN 205427077U
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Abstract
The utility model discloses a multichannel ann rule test system, include: ann's rule scanning box and ann's rule test host computer, ann's rule scanning box is inside to be provided with high voltage relay matrix unit, and every high voltage relay matrix unit comprises eight test channel, and inside still being provided with of ann's rule scanning box is used for the scanning box the control unit for the high voltage relay matrix control signal with scanning control signal conversion, the out -of -the -box portion of ann's rule scanning is provided with high voltage interface, low -voltage interface and scanning interface, the out -of -the -box portion of ann's rule scanning still is provided with 220VAC power input connector, switch and switching power supply. Ann's rule scanning box adopts the power supply of independent switching power supply, reduces and disturbs, improves the accuracy of test result, utilizes the ann of one 80 passageway to advise the multinomial mesh ann rule test that a product was just accomplished to the scanning box, has avoided many the problems that the combination test is judged, system reliability also improves with the test accuracy greatly.
Description
Technical field
This utility model belongs to the technical field of measurement and test of electronic product, particularly relates to a kind of multichannel safety regulation testing system.
Background technology
Along with developing rapidly of electronic information industry, the integrated level of electronic product is more and more higher.For the safety of electronic product is tested, often manufacturer needs one-shot measurement just can complete the test of whole product all safety project or once can complete the safety measurement of multiple product.The most traditional safety regulation testing system is all single channel or built-in 8 passages, and this cannot meet once has tested the test of whole product all safety project or once can measure the demand more than 8 products.
Thus, client must combine with multiple stage purpose safety instrument, combines that to judge that this safety tests whether qualified, and such whole system operates the most complicated, and not only system maintenance cost increases, and ultimately results in the poor reliability of safety test result.In addition, safety test belongs to Hi-pot test, and passage controls to belong to low voltage control, and Hi-pot test can produce interference to low voltage control, causes high tension box and safety test main frame unstable, the most also affects the accuracy of this test result.
Summary of the invention
In view of this, the utility model proposes a kind of multichannel safety regulation testing system, to solve current safety test existence instability, the technical problem that accuracy is low.In order to some aspects of the embodiment disclosed are had a basic understanding, shown below is simple summary.This summarized section is not extensive overview, is not key/critical component to be determined or the protection domain describing these embodiments.Its sole purpose is to present some concepts, in this, as the preamble of following detailed description by simple form.
This utility model adopts the following technical scheme that
A kind of multichannel safety regulation testing system is provided, including: safety scan box and safety test main frame, described safety scan box is internally provided with some high-voltage relay matrix units being parallel to each other, each high-voltage relay matrix unit is made up of eight TCH test channels, each described TCH test channel, by two relay switching controls, is additionally provided with the scan box control unit for scan control signal is converted to high-voltage relay matrix control signal inside described safety scan box；It is provided with high voltage interface, the low voltage interface being connected with described safety test main frame low-pressure end being connected with described safety test main frame high-voltage output end outside described safety scan box and receives the scan interface that described safety tests the scan control signal of main frame；It is additionally provided with 220VAC power input interface outside described safety scan box, described 220VAC power input interface is connected to open/cut off 220VAC and is input to the on and off switch within described safety scan box, and described on and off switch is connected to be converted into 220VAC the Switching Power Supply of 24VDC.
Further, described safety scan box and described safety test main frame connect by controlling cable.
Further, described safety test main frame includes: measuring unit and computing unit, described measuring unit is for gathering the sampled signal of described safety scan box and being converted to digital signal, and described digital signal is analyzed and calculates and obtain safety sweep test result by described computing unit.
Further, 220VAC is converted into 24VDC by described Switching Power Supply, provides running voltage for described high-voltage relay matrix unit and described scan box control unit.
Further, each described TCH test channel is by two relay switching controls, one of them relay connects the high-voltage signal of described safety test main frame by described high voltage interface, and another relay connects the low-side signal of described safety test main frame by described low voltage interface.
Further, described safety scan box both sides are additionally provided with fan.
Further, the quantity of described high-voltage relay matrix unit is 10.
Beneficial effect: safety scan box uses independent Switching Power Supply to power, host power supply is completely isolated comes with safety test, reduce high-voltage signal, safety scan box signal, the safety test probability that interferes of host signal, improve the accuracy of test result, also alleviate the burden of safety test host supplying power power supply simultaneously；The rational layout of system ensures the good maintainability of system and solves the heat dissipation problem that safety scan box works long hours；The safety scan box utilizing 80 passages just completes the entry safety test of a product, by set of system it is known that whether qualified this product all safety test event is, thus avoid the problem that multiple stage combined test judges, save that manpower and materials, maintenance cost be low, system reliability and test accuracy are also greatly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of multichannel safety regulation testing system；
Fig. 2 is the internal structure schematic diagram of this utility model safety scan box.
Detailed description of the invention
The following description and drawings illustrate specific embodiments of the present invention fully, to enable those skilled in the art to put into practice them.Other embodiments can include structure, logic, electric, process and other change.Embodiment only represents possible change.Unless explicitly requested, otherwise individually components and functionality is optional, and the order operated can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
As illustrated in fig. 1 and 2, in some illustrative embodiments, a kind of multichannel safety regulation testing system is provided, main frame 2 is tested including safety scan box 1 and safety, safety scan box 1 can test 80 passages altogether, it is divided into 10 high-voltage relay matrix units 11, each high-voltage relay matrix unit 11 to be made up of 8 passages.In some illustrative embodiments, described safety scan box 1 and described safety test main frame 2 connect by controlling cable.
In some illustrative embodiments, described safety test main frame 2 includes: measuring unit 21 and computing unit 22, safety test main frame 2 completes the control to safety scan box 1, safety is tested signal simultaneously be added in the test point of safety scan box 1, measuring unit 21 is for gathering the sampled signal of safety scan box 1 and being converted to digital signal, and digital signal is analyzed and calculates and obtain safety sweep test result by computing unit 22.
Safety scan box 1 is internally provided with high-voltage relay matrix unit 11 and scan box control unit 12.The quantity of high-voltage relay matrix unit 11 is 10 and is parallel to each other, and each high-voltage relay matrix unit 11 is made up of eight TCH test channels, and each TCH test channel is by two relay switching controls.
Safety scan box 1 is outside to be provided with high voltage interface 13, the low voltage interface 14 being connected with safety test main frame 2 low-pressure end being connected with safety test main frame 2 high-voltage output end and receives the scan interface 15 that safety tests the scan control signal of main frame 2.Scan interface 15 receives scan control signal and transmits to scan box control unit 12, scan box control unit 12 receives the scan control signal of safety test main frame 2, carry out isolating and serioparallel exchange, it is further converted into high-voltage relay matrix control signal, thus completes the control to high-voltage relay matrix unit 11.
In some illustrative embodiments, each TCH test channel is by two relay switching controls, one of them relay connects the high-voltage signal of safety test main frame 2 by high voltage interface 13, and another relay connects the low-side signal of safety test main frame 2 by low voltage interface 14.When this passage needs to be set as high-pressure side, connecting the relay Guan Bi of high-voltage signal, the relay connecting low-side signal disconnects；When this passage needs to be set as low side, connecting the relay Guan Bi of low-side signal, the relay connecting high-voltage signal disconnects；When this passage need not be set as high-pressure side or low side, the relay connecting low-side signal and the relay connecting high-voltage signal all disconnect.
Safety scan box 1 is outside is additionally provided with 220VAC power input interface 16, described 220VAC power input interface is connected to open/cut off 220VAC and is input to the on and off switch 17 within described safety scan box, and described on and off switch 17 is connected to be converted into 220VAC the Switching Power Supply 18 of 24VDC.220VAC is converted into 24VDC by Switching Power Supply 18, provides running voltage for high-voltage relay matrix unit 11 and scan box control unit 12.Safety scan box uses independent Switching Power Supply to power, and host power supply is completely isolated comes with safety test, reduces high-voltage signal, probability that safety scan box signal, safety test host signal interfere, improves the accuracy of test result.
In some illustrative embodiments, safety scan box 1 both sides are additionally provided with fan 19, it is ensured that when multiple high-voltage relays close for a long time, the heat radiation that system is good.
Above-described embodiment is this utility model preferably embodiment; but embodiment of the present utility model is also not restricted to the described embodiments; other are any without departing from the change made under spirit of the present utility model and principle; modify; substitute, combination, simplify; all should be the substitute mode of equivalence, all should be included in protection domain of the present utility model.
Claims (7)
1. a multichannel safety regulation testing system, it is characterized in that, including: safety scan box and safety test main frame, described safety scan box is internally provided with some high-voltage relay matrix units being parallel to each other, each high-voltage relay matrix unit is made up of eight TCH test channels, each described TCH test channel, by two relay switching controls, is additionally provided with the scan box control unit for scan control signal is converted to high-voltage relay matrix control signal inside described safety scan box；It is provided with high voltage interface, the low voltage interface being connected with described safety test main frame low-pressure end being connected with described safety test main frame high-voltage output end outside described safety scan box and receives the scan interface that described safety tests the scan control signal of main frame；It is additionally provided with 220VAC power input interface outside described safety scan box, described 220VAC power input interface is connected to open/cut off 220VAC and is input to the on and off switch within described safety scan box, and described on and off switch is connected to be converted into 220VAC the Switching Power Supply of 24VDC.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterised in that described safety scan box and described safety test main frame connect by controlling cable.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterized in that, described safety test main frame includes: measuring unit and computing unit, described measuring unit is for gathering the sampled signal of described safety scan box and being converted to digital signal, and described digital signal is analyzed and calculates and obtain safety sweep test result by described computing unit.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterised in that 220VAC is converted into 24VDC by described Switching Power Supply, provides running voltage for described high-voltage relay matrix unit and described scan box control unit.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterized in that, each described TCH test channel is by two relay switching controls, one of them relay connects the high-voltage signal of described safety test main frame by described high voltage interface, and another relay connects the low-side signal of described safety test main frame by described low voltage interface.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterised in that described safety scan box both sides are additionally provided with fan.
A kind of multichannel safety regulation testing system the most according to claim 1, it is characterised in that the quantity of described high-voltage relay matrix unit is 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199235.2U CN205427077U (en) | 2016-03-15 | 2016-03-15 | Multichannel ann rule test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199235.2U CN205427077U (en) | 2016-03-15 | 2016-03-15 | Multichannel ann rule test system |
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| CN205427077U true CN205427077U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620199235.2U Expired - Fee Related CN205427077U (en) | 2016-03-15 | 2016-03-15 | Multichannel ann rule test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324384A (en) * | 2016-08-03 | 2017-01-11 | 许继集团有限公司 | Multi-loop-circuit safety testing system and multipath switching device |
| CN112363002A (en) * | 2020-11-25 | 2021-02-12 | 常州同惠电子股份有限公司 | Multi-element parallel test method for safety voltage-resistant instrument |
-
2016
- 2016-03-15 CN CN201620199235.2U patent/CN205427077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324384A (en) * | 2016-08-03 | 2017-01-11 | 许继集团有限公司 | Multi-loop-circuit safety testing system and multipath switching device |
| CN112363002A (en) * | 2020-11-25 | 2021-02-12 | 常州同惠电子股份有限公司 | Multi-element parallel test method for safety voltage-resistant instrument |
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| Date | Code | Title | Description |
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| 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: 20160803 Termination date: 20200315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |