CN102208804A - Electronic device - Google Patents
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- Publication number
- CN102208804A CN102208804A CN2010101371053A CN201010137105A CN102208804A CN 102208804 A CN102208804 A CN 102208804A CN 2010101371053 A CN2010101371053 A CN 2010101371053A CN 201010137105 A CN201010137105 A CN 201010137105A CN 102208804 A CN102208804 A CN 102208804A
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- CN
- China
- Prior art keywords
- lightning strike
- electrically connected
- strike element
- circuit board
- electronic installation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to an electronic device, comprising a lightningproof protection circuit, a DC (direct current) power supply, a shell and a safety test switching device, wherein the lightningproof protection circuit is electrically connected with the DC power supply and comprises a circuit board, a live line, a zero line, a DC power supply and at least one lightningproof component, wherein two ends of the live line and two ends of the zero line are electrically connected with an AC (alternating current) power supply and the DC power supply respectively; the shell comprises a bottom plate; the circuit board is arranged on the bottom plate of the shell fixedly; one end of the at least one lightningproof component is electrically connected with the live line and other end of the at least one lightningproof component is electrically connected with the circuit board; the safety test switching device comprises a conductive block and a conductive bolt; the conductive block is arranged on a surface, opposite to the bottom plate, of the circuit board; the conductive block is provided with one screw hole; and the conductive bolt can be connected with and separated from the conductive block by the screw hole. When the conductive bolt is separated from the conductive block, the lightningproof protection circuit is disconnected with the ground. The electronic device is convenient to carry out safety test.
Description
Technical field
The present invention relates to a kind of electronic installation, relate in particular to a kind of electronic installation of being convenient to the safety test.
Background technology
(Ex: power distribution system/UPS, PDU ATS), for the problem of guaranteeing product no one's body electric shock in use takes place, need the safety test of formulating by UL/IEC to the AC power product of all high voltages and big electric current before the product turnout.The AC power product is considered this product installing and is built the situation appearance that may have thunderbolt in the environment of putting simultaneously; for avoiding when thunderbolt takes place; human body contacts this product casing and has the situation of electric shock to take place; therefore can in the AC power product, install anti-lightning strike protection assembly (Varistor) additional, anti-lightning strike protection is provided.Yet the safety detection mode is to utilize voltage-withstand test machine (Hi-PotTester) to send a necessary high voltages to the AC power product, carries out voltage-withstand test.But because of the AC power product includes anti-lightning strike protective device; the function of this protective device is in high voltage enters into machine the time; high-tension energy directly can be led ground by anti-lightning strike protection assembly (Varistor), avoid the problem that when thunderbolt takes place, causes machine component to damage.Therefore, when the high voltage of test enters into the AC power product of desire test, can trigger anti-lightning strike protection assembly, and then cause whole safety test crash.
For avoiding the problems referred to above, the practice before is by removing loam cake from housing, and all anti-lightning strike protection assemblies are seen through the mode of cutting pin removes; Perhaps do not go up part during the stage, go up modes such as part etc. safety test after finishing again, avoid the AC power product when safety is tested, can run into because of anti-lightning strike protective device action, and then cause the problem appearance of safety test crash at piece.Yet, above-mentioned safety method of testing complex steps.
Summary of the invention
In view of above situation, be necessary to provide a kind of electronic installation of being convenient to the safety test.
A kind of electronic installation, it comprises an anti-lightning strike protective circuit, a direct current power supply and a housing.Described housing is used to accommodate described anti-lightning strike protective circuit and described DC power supply.Described anti-lightning strike protective circuit is electrically connected to described DC power supply.Described anti-lightning strike protective circuit comprises a circuit board, a live wire, a zero line, an AC power, at least one anti-lightning strike element.The input of described live wire and zero line is electrically connected to described AC power respectively.The output of described live wire and zero line is electrically connected to the described housing of described DC power supply respectively and comprises a base plate.Described electronic installation further comprises and a safety Test Switchboard device.Described circuit board sets firmly on the base plate of described housing.One end of described at least one anti-lightning strike element is electrically connected to live wire, and the other end is electrically connected to circuit board.Described safety Test Switchboard device comprises a conducting block and a conductive plugs.Described conducting block is formed on the base plate facing surfaces of described circuit board and described housing.Described conducting block is provided with a screw that is complementary with described conductive plugs.Described conductive plugs can be connected with conducting block and is separated by described screw, when described conductive plugs is separated with described conducting block, opens a way between described anti-lightning strike protective circuit and the ground.
With respect to prior art, separable between described conductive plugs and the described conducting block.When described conductive plugs when described conducting block separates, open a way between described anti-lightning strike protective circuit and the ground, therefore; when carrying out the safety test; need not again anti-lightning strike protection component to be removed in housing, perhaps do not go up part during the stage, made things convenient for the safety test at piece.
Description of drawings
Fig. 1 is the schematic diagram of the electronic installation that provides of embodiment of the present invention;
Fig. 2 is the schematic diagram of the anti-lightning strike protective circuit of the electronic installation among Fig. 1.
The main element symbol description
Anti-lightning strike protective circuit 10
Bracing or strutting arrangement 30
Safety Test Switchboard device 40
AC power 13
Voltage-withstand test machine 60
The first anti-lightning strike element 14a
The second anti-lightning strike element 14b
The 3rd anti-lightning strike element 14c
The 3rd screw 150
Bolt 31
Set bolt 32
Conducting block 41
The 4th screw 410
Embodiment
Below in conjunction with accompanying drawing, electronic installation provided by the invention is described in further detail.
See also Fig. 1 and Fig. 2, the electronic installation 100 that embodiment of the present invention provides, it comprises an anti-lightning strike protective circuit 10, a direct current power supply 20, a bracing or strutting arrangement 30, a safety Test Switchboard device 40 and a housing 50.Described housing 50 is used to accommodate described anti-lightning strike protective circuit 10, described DC power supply 20, described bracing or strutting arrangement 30 and described safety Test Switchboard device 40.
Described anti-lightning strike protective circuit 10 comprises a live wire 11, a zero line 12, an AC power 13, at least one anti-lightning strike element and a circuit board 15.Described live wire 11 is electrically connected to described AC power 13 respectively with the input of zero line 12, and described live wire 11 is electrically connected to described DC power supply 20 respectively with the output of zero line 12.In the present embodiment, described at least one anti-lightning strike element comprises one first anti-lightning strike element 14a, one second anti-lightning strike element 14b and one the 3rd anti-lightning strike element 14c.The end of the described first anti-lightning strike element 14a is electrically connected to described live wire 11, and the other end of the described first anti-lightning strike element 14a is electrically connected to described zero line 12.The end of the described second anti-lightning strike element 14b is electrically connected to described live wire 11, and the other end of the described second anti-lightning strike element 14b is electrically connected to described circuit board 15.The end of the described the 3rd anti-lightning strike element 14c is electrically connected to described zero line 12, and the other end of the described the 3rd anti-lightning strike element 14c is electrically connected to described circuit board 15.The operation principle of described anti-lightning strike element 14 is, when a surge voltage enters to described first, second, third anti-lightning strike element 14a, 14b, 14c, and described first, second, third anti-lightning strike element 14a, 14b, 14c instantaneous short circuit.
Be understandable that, in the practical application, also can only reach the effect of anti-lightning strike protection by two anti-lightning strike elements.The first anti-lightning strike element 14a directly is electrically connected between described live wire 11 and the zero line 12 and the 3rd anti-lightning strike element 14c is electrically connected between described zero line 12 and the circuit board as described, or described second anti-lightning strike element 14b directly electrically connect described live wire 11 and circuit board 15 and the described the 3rd anti-lightning strike element 14c and be electrically connected between described zero line 12 and the circuit board 15, be not limited to present embodiment.
Described housing 50 comprises a base plate 51, and in the present embodiment, one is provided with first screw 510 that runs through this base plate 51 on the described base plate 51.
Described bracing or strutting arrangement 30 comprises a plurality of support columns 31 and a plurality of set bolt 32.Described a plurality of support column 31 is vertically set on the described base plate 51, and these a plurality of support columns 31 and described base plate 51 are integrally formed, and makes by insulating material.In the present embodiment, offer one second screw (figure does not show) in described a plurality of support columns 31 respectively.15 pairs of described circuit boards should a plurality of support columns 31 second screwhole position offer one the 3rd screw 150 respectively, a plurality of the 3rd screws 150 of described circuit board 15 align respectively with second screw of described a plurality of support columns 31, and by described a plurality of set bolts 32 described circuit board 15 are fixed on the described support column 31.
Described safety Test Switchboard device 40 comprises a conducting block 41 and a conductive plugs 42.Described conductive plugs 42 can be pulled out with establishing and is arranged on the conducting block 41.Described conducting block 41 is formed on base plate 51 facing surfaces of described circuit board 15 and described housing 50.In the present embodiment, first screw 510 that described conducting block 41 is provided with on the base plate 51 of one the 4th screw, 410, the four screws 410 and described housing 50 aligns.But described conductive plugs 42 is a conducting metal bolt, and described conductive plugs 42 is passed described first screw 510 and described the 4th screw 410 bolts.
When carrying out the safety test; described conductive plugs 42 is pulled out in the 4th screw 410 of described conducting block 41, and also, described conductive plugs 42 is separated with described conducting block 41; therefore, open a way between at least one anti-lightning strike element 14 of described anti-lightning strike protective circuit 10 and the ground.Described AC power 13 is electrically connected to a voltage-withstand test machine (Hi-Pot Tester) 60.Described voltage-withstand test machine 60 outputs one high voltage is to described AC power 13.Owing to open a way between at least one anti-lightning strike element 14 of described anti-lightning strike protective circuit 10 and the ground, the voltage of described AC power 13 outputs inputs to described DC power supply 20 through described live wire 11 and zero line 12, this electronic installation 100 is carried out withstand voltage safety test.Behind the safety EOT, described conductive plugs 42 is passed described first screw 510 and described the 4th screw 410 bolts, short circuit between at least one anti-lightning strike element 14 of described anti-lightning strike protective circuit 10 and the ground.In the process that electronic installation 100 uses because thunderbolt is when producing a surge voltage, described at least one anti-lightning strike element 14 equal instantaneous short circuit, and the voltage that AC power 13 is exported through described circuit board 15 and described conductive plugs 42 to ground.Thereby can avoid the surge voltage of described AC power 13 outputs to export DC power supply 20 to, reach the purpose of this DC power supply 20 of protection.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection range that all should belong to claim of the present invention with distortion.
Claims (8)
1. electronic installation; it comprises an anti-lightning strike protective circuit; an one direct current power supply and a housing; described housing is used to accommodate described anti-lightning strike protective circuit and described DC power supply; described anti-lightning strike protective circuit is electrically connected to described DC power supply; described anti-lightning strike protective circuit comprises a circuit board; one live wire; one zero line; one AC power; at least one anti-lightning strike element; the input of described live wire and zero line is electrically connected to described AC power respectively; the output of described live wire and zero line is electrically connected to described DC power supply respectively; it is characterized in that: described electronic installation further comprises and a safety Test Switchboard device; described circuit board sets firmly on the base plate of described housing; one end of described at least one anti-lightning strike element is electrically connected to live wire; the other end is electrically connected to circuit board; described housing comprises a base plate; described safety Test Switchboard device comprises a conducting block and a conductive plugs; described conducting block is formed on the base plate facing surfaces of described circuit board and described housing; described conducting block is provided with a screw that is complementary with described conductive plugs; described conductive plugs can be connected with conducting block and is separated by described screw; when described conductive plugs is separated with described conducting block, open a way between described anti-lightning strike protective circuit and the ground.
2. electronic installation as claimed in claim 1 is characterized in that: when surge voltage enters to described anti-lightning strike element, and described anti-lightning strike element instantaneous short circuit.
3. electronic installation as claimed in claim 1, it is characterized in that: described at least one anti-lightning strike element comprises one first anti-lightning strike element and one second anti-lightning strike element, one end of the described first anti-lightning strike element is electrically connected to described live wire, the other end of the described first anti-lightning strike element is electrically connected to described zero line, one end of the described second anti-lightning strike element is electrically connected to described live wire, and the other end of the described second anti-lightning strike element is electrically connected to described circuit board.
4. electronic installation as claimed in claim 3 is characterized in that: described at least one anti-lightning strike element also comprises one the 3rd anti-lightning strike element, and the described the 3rd anti-lightning strike element is electrically connected between described zero line and the circuit board.
5. electronic installation as claimed in claim 1, it is characterized in that: described at least one anti-lightning strike element comprises one first anti-lightning strike element and one the 3rd anti-lightning strike element, one end of the described first anti-lightning strike element is electrically connected to described live wire, the other end of the described first anti-lightning strike element is electrically connected to described zero line, one end of described the 3rd anti-lightning strike element is electrically connected to described zero line, and the other end of described the 3rd anti-lightning strike element is electrically connected to described circuit board.
6. electronic installation as claimed in claim 1 is characterized in that: described a plurality of support columns and described base plate are integrally formed, and make by insulating material.
7. electronic installation as claimed in claim 1 is characterized in that: be opened in one first screw on the base plate of described housing on the screw of corresponding described conducting block, described conductive plugs is passed described first screw and described screw bolt.
8. electronic installation as claimed in claim 1, it is characterized in that: described electronic installation further comprises a bracing or strutting arrangement, described bracing or strutting arrangement comprises a plurality of support columns and a plurality of bolt, described a plurality of support column is vertically set on the described base plate, and described circuit board is installed on a plurality of support columns by these a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101371053A CN102208804A (en) | 2010-03-31 | 2010-03-31 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101371053A CN102208804A (en) | 2010-03-31 | 2010-03-31 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102208804A true CN102208804A (en) | 2011-10-05 |
Family
ID=44697510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101371053A Pending CN102208804A (en) | 2010-03-31 | 2010-03-31 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102208804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329162A (en) * | 2016-09-08 | 2017-01-11 | 深圳威迈斯电源有限公司 | Relief device for onboard power supply lightning protection circuit and lightning protection power supply |
-
2010
- 2010-03-31 CN CN2010101371053A patent/CN102208804A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329162A (en) * | 2016-09-08 | 2017-01-11 | 深圳威迈斯电源有限公司 | Relief device for onboard power supply lightning protection circuit and lightning protection power supply |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111005 |