CN203786272U - AAAAAC-DC dual-purpose test load - Google Patents
AAAAAC-DC dual-purpose test load Download PDFInfo
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- CN203786272U CN203786272U CN201320792682.5U CN201320792682U CN203786272U CN 203786272 U CN203786272 U CN 203786272U CN 201320792682 U CN201320792682 U CN 201320792682U CN 203786272 U CN203786272 U CN 203786272U
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- power supply
- relay
- throw switch
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000005855 radiation Effects 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides an AC-DC dual-purpose test load, comprising a power supply, a dual-pole three-throw switch, an AC relay, a DC relay, and a large power load. The power supply is connected with the dual-pole three-throw switch. The dual-pole three-throw switch is connected with the large power load through the AC relay or the DC relay. The power supply comprises an AC-DC power supply and a DC-DC power supply. The AC-DC power supply and the DC-DC power supply are connected in parallel. The test load also comprises a load socket which is connected between the dual-pole three-throw switch and the large power load. The test load also comprises a plurality of temperature control switches. The plurality of temperature control switches are connected in series and are disposed between the dual-pole three-throw switch and the power supply. The test load enables DC-AC dual purpose by using the dual-pole three-throw switch to switch the DC relay and the AC relay, thereby greatly improving adaptability of test.
Description
Technical field
The utility model relates to power supply test technology, particularly, relates to a kind of AC/DC test load.
Background technology
In the test of communication, server room, need a kind of test fictitious load that can emulating server duty.Existing test in the market is generally AC type load with fictitious load, along with communications equipment room is progressively to high voltage direct current supplier of electricity to transfer, once-through type load also progressively occurs, but not yet have in the market can AC/DC simulation test load occur.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of AC/DC test load.
According to an aspect of the present utility model, the AC/DC test load providing, comprises, power supply, DPTT double-pole triple throw switch, AC relay, DC relay and high power load;
Wherein, described power supply is connected with the first end of described DPTT double-pole triple throw switch, and the second end of described DPTT double-pole triple throw switch is connected with high power load by AC relay, DC relay respectively with the 3rd end.
Preferably, described power supply comprises AC-DC power supply and DC-DC power supply; AC-DC power supply and DC-DC power supply are for being connected in parallel.
Preferably, also comprise load socket, load socket is connected between DPTT double-pole triple throw switch and high power load.
Preferably, also comprise several temperature detect switch (TDS)s, when described temperature detect switch (TDS) is a plurality of, temperature detect switch (TDS) is connected in series mutually, is arranged between described DPTT double-pole triple throw switch and described power supply.
Preferably, also comprise several DC radiation fans, when described DC radiation fan is while being a plurality of, the connection parallel with one another of described DC radiation fan is also connected with power supply.
Preferably, described DC relay is DC solid-state relay.
Preferably, described DPTT double-pole triple throw switch comprises the public foot of the first via, the second public foot in tunnel, first via I foot, first via II foot, the second road I end pin and the second road II foot; Wherein, the public foot of the first via, the second public foot in tunnel, first via I foot, first via II foot, the second road I end pin and the second road II foot are all connected with DPTT double-pole triple throw switch.
Preferably, described DC relay comprises the positive foot of load and the positive foot of control, and wherein, the positive foot of load is connected with described first via II foot, controls positive foot and is connected with described the second road II foot.
Preferably, described AC relay comprises load foot and control foot, and wherein, load foot is connected with described first via I foot, controls foot and is connected with described the second road I end pin.
Preferably, the public foot of the described first via is connected with the end that goes out of described load socket; Described the second public foot in tunnel is connected with the foot of temperature detect switch (TDS).
Compared with prior art, the utlity model has following beneficial effect: the utility model adopts DPTT double-pole triple throw switching over DC relay and AC relay, realized the AC/DC of test load, greatly improved the adaptability of test.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is structural representation block diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
As shown in Figure 1, the utility model is comprised of load socket 1, DPTT double-pole triple throw switch 2, AC relay 3, DC solid-state relay 4, high power load 5, temperature detect switch (TDS) 6, AC-DC power supply 7, DC-DC power supply 8, DC radiation fan 9 specific embodiments of the present embodiment.In Fig. 1, with the numeral label of underscore, not with the numeral pin number of underscore.
Wherein, load socket 1 go out to hold pin 1, be that the negative pin pin of live wire direct current is connected with 1 end pin of high power load 5, load socket 1 go out to hold the positive pin of pin 2(zero line direct current) be connected with the public foot pin 1 of the first via of DPTT double-pole triple throw switch 2, the first via I foot pin 3 of DPTT double-pole triple throw switch 2 is connected with the load foot pin 1 of AC relay 3, the second road I end pin pin 4 of DPTT double-pole triple throw switch 2 is connected with the control foot pin 2 of AC relay 3, the first via II foot pin 5 of DPTT double-pole triple throw switch 2 is connected with the positive foot pin 1 of load of DC solid-state relay 4, the second road II foot pin 6 of DPTT double-pole triple throw switch 2 is connected with the positive foot pin 2 of control of DC solid-state relay 4.Pin 2 ends of high power load 5 are connected with pin 3 ends of pin 3 ends of AC relay 3, DC solid-state relay 4, the second public foot pin 2 in tunnel of DPTT double-pole triple throw switch 2 is connected with the foot pin 1 of temperature detect switch (TDS) 6, after 6 series connection of several temperature detect switch (TDS)s, be connected respectively to the power supply positive output end pin 1 of AC-DC power supply 7 and DC-DC power supply 8+output terminal pin 1.The power supply positive output end pin 2 of AC-DC power supply 7 and the equal ground connection of the positive output end pin of DC-DC power supply 82, the power supply positive output end pin 1 of AC-DC power supply 7, the positive output end pin 1 of DC-DC power supply 8 are in parallel with some DC radiation fans 9.
AC-DC power supply 7 or DC-DC power supply 8 is responsible for converting external power supply to DC radiation fan 9 and AC relay 3, the required direct supply of DC solid-state relay 4, and wherein AC-DC power supply 7 or DC-DC power supply 8 can be selected as required one or adopt simultaneously.When AC-DC power supply 7 or DC-DC power supply 8 are not worked, DC radiation fan 9 cannot be worked, simultaneously AC relay 3, DC solid-state relay 4 owing to not controlling voltage in off-state.The system that so just guaranteed does not have in harness situation at DC radiation fan 9, and high power load can not start, and has avoided danger.After the normal work of AC-DC power supply 7 or DC-DC power supply 8, the temperature detect switch (TDS) 6 of output direct supply by a plurality of series connection is to AC relay 3, DC solid-state relay 4.The quantity of temperature detect switch (TDS) 6 and distributing position can be arranged on system core position as required, and when temperature of key part is too high, temperature detect switch (TDS) 6 disconnects.Thereby AC relay 3, DC solid-state relay 4 in off-state, have so just guaranteed that the utility model high power load in the situation that of excess Temperature, in off state, has guaranteed safety of the present utility model owing to not controlling voltage.
The utility model has adopted DPTT double-pole triple throw switch 2 to realize the AC/DC work of high power load 5, when DPTT double-pole triple throw switch 2 is switched to direct current supply, power up to the positive foot pin 2 of control of DC solid-state relay 4, control electric current and then supply with high power load 5 by DC solid-state relay 4, the simultaneously control foot pin 2 of AC relay 3 and the equal power-off of the load foot pin of AC relay 31, has guaranteed the safety of AC relay 3.Otherwise, when DPTT double-pole triple throw switch 2 is switched to Alternating Current Power Supply, the control foot pin 2 of AC relay 3 powers up, control electric current and supply with high power load 5 by AC relay 3, the simultaneously positive foot pin 2 of control of DC solid-state relay 4 and the equal power-off of the positive foot pin 1 of the load of DC solid-state relay 4, has guaranteed the safety of DC solid-state relay 4.
For simplified electrical circuit diagram, in the utility model, only provided single channel high power load pattern, but can to adopt the mode of multichannel design according to high power load number needs, wherein there is high power load to adopt load socket 1, DPTT double-pole triple throw switch 2, AC relay 3, DC solid-state relay 4, high power load 5, adopt multi-channel parallel design, the temperature detect switch (TDS) 6 of several series connection, AC-DC power supply 7, DC-DC power supply 8 and several shared DC radiation fans 9.
Conventional alternating-current measurement load is used temperature detect switch (TDS) directly to connect Power supply, uses AC temperature-control switch and ordinary tap to realize temperature protection and the upper electric control of high power load.The in the situation that of high voltage direct current work, if adopt high voltage direct current temperature detect switch (TDS) and high voltage direct current ordinary tap to realize, cause system cost too high, and can not accomplish that load switches flexibly.After employing the design, realize the AC/DC of test load, greatly improved the adaptability of test.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. an AC/DC test load, is characterized in that, comprises power supply, DPTT double-pole triple throw switch, AC relay, DC relay and high power load;
Wherein, described power supply is connected with the first end of described DPTT double-pole triple throw switch, and the second end of described DPTT double-pole triple throw switch is connected with high power load by AC relay, DC relay respectively with the 3rd end.
2. AC/DC test load according to claim 1, is characterized in that, described power supply comprises AC-DC power supply and DC-DC power supply; AC-DC power supply and DC-DC power supply are for being connected in parallel.
3. AC/DC test load according to claim 1, is characterized in that, also comprises that load socket, load socket are connected between DPTT double-pole triple throw switch and high power load.
4. according to the AC/DC test load described in claim 1 or 3, it is characterized in that, also comprise several temperature detect switch (TDS)s, when described temperature detect switch (TDS) is a plurality of, temperature detect switch (TDS) is connected in series mutually, is arranged between described DPTT double-pole triple throw switch and described power supply.
5. AC/DC test load according to claim 1, is characterized in that, also comprises several DC radiation fans, and when described DC radiation fan is while being a plurality of, the connection parallel with one another of described DC radiation fan is also connected with power supply.
6. AC/DC test load according to claim 1, is characterized in that, described DC relay is DC solid-state relay.
7. AC/DC test load according to claim 4, is characterized in that, described DPTT double-pole triple throw switch comprises the public foot of the first via, the second public foot in tunnel, first via I foot, first via II foot, the second road I end pin and the second road II foot; Wherein, the public foot of the first via, the second public foot in tunnel, first via I foot, first via II foot, the second road I end pin and the second road II foot are all connected with DPTT double-pole triple throw switch.
8. AC/DC test load according to claim 7, it is characterized in that, described DC relay comprises the positive foot of load and the positive foot of control, wherein, the positive foot of load is connected with described first via II foot, controls positive foot and is connected with described the second road II foot.
9. AC/DC test load according to claim 7, is characterized in that, described AC relay comprises load foot and control foot, and wherein, load foot is connected with described first via I foot, controls foot and is connected with described the second road I end pin.
10. AC/DC test load according to claim 7, is characterized in that, the public foot of the described first via is connected with the end that goes out of described load socket; Described the second public foot in tunnel is connected with the foot of temperature detect switch (TDS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792682.5U CN203786272U (en) | 2013-12-04 | 2013-12-04 | AAAAAC-DC dual-purpose test load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792682.5U CN203786272U (en) | 2013-12-04 | 2013-12-04 | AAAAAC-DC dual-purpose test load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786272U true CN203786272U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792682.5U Expired - Lifetime CN203786272U (en) | 2013-12-04 | 2013-12-04 | AAAAAC-DC dual-purpose test load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490313A (en) * | 2015-11-27 | 2016-04-13 | 许继电源有限公司 | AC/DC common electronic load |
| CN109324289A (en) * | 2018-10-31 | 2019-02-12 | 湖南福德电气有限公司 | For testing the high-voltage load box of alternating current-direct current output object |
| CN112638114A (en) * | 2015-12-02 | 2021-04-09 | 谷歌有限责任公司 | Cooled data center |
-
2013
- 2013-12-04 CN CN201320792682.5U patent/CN203786272U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490313A (en) * | 2015-11-27 | 2016-04-13 | 许继电源有限公司 | AC/DC common electronic load |
| CN105490313B (en) * | 2015-11-27 | 2018-11-20 | 许继电源有限公司 | A kind of alternating current-direct current shared electron load |
| CN112638114A (en) * | 2015-12-02 | 2021-04-09 | 谷歌有限责任公司 | Cooled data center |
| CN109324289A (en) * | 2018-10-31 | 2019-02-12 | 湖南福德电气有限公司 | For testing the high-voltage load box of alternating current-direct current output object |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
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| CX01 | Expiry of patent term |