CN203275614U - Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room - Google Patents
Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room Download PDFInfo
- Publication number
- CN203275614U CN203275614U CN 201320286589 CN201320286589U CN203275614U CN 203275614 U CN203275614 U CN 203275614U CN 201320286589 CN201320286589 CN 201320286589 CN 201320286589 U CN201320286589 U CN 201320286589U CN 203275614 U CN203275614 U CN 203275614U
- Authority
- CN
- China
- Prior art keywords
- power supply
- circuit
- relay
- test
- machine room
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model belongs to the technical field of industrial testing and provides a power-taking and monitoring circuit of an auxiliary power supply during power supply testing in a data center machine room. The power-taking and monitoring circuit is provided with an output control circuit between a relay gating circuit and the auxiliary power supply, and the output control circuit is used to achieve zero-current switching between relays. So the problem of compatibility between a different-phase AC input and a high-voltage DC input is solved, testing loads of multiple inputs are allowed to be not affected by power supply types, on-site testing wiring is convenient, requirements on implementing personnel are reduced, a type of the testing load is allowed to be compatible with more usage occasions, implementation cost is lowered, and the circuit itself has the advantages of simple structure, small size and low cost.
Description
Technical field
The utility model belongs to the industrial test technical field, relates in particular to power taking and the supervisory circuit of accessory power supply in a kind of data center machine room power supply test.
Background technology
Along with popularizing of network technology, Internet data center take Develop Data trustship business as target (Internet Data Center, IDC) machine room, concentrate take data network and be widely used in the places such as common carrier, bank finance system, government and each large enterprise as the personal data center machine room of enterprise of target etc.
For guarantee server in data center machine room safe and stable operation, the power supply of data center machine room needs can stablize, reliable, continually realize the electric energy supply, and along with the continuous increase of server data in data center machine room, the power supply of data center machine room need have higher load capacity.Therefore, usually in the design and establishing of data center machine room, need data central machine room power supply is with and carry test.
Carry in test at band, in order to satisfy the requirement of high power density, the input of test load General Requirements multichannel, the principle that the band that shows prior art and provide as Fig. 1 carries test macro.Test load wherein is in order to the load equipment of simulated data central machine room, and switch element is in order to control whether powering on of test load.When test load is worked, need by fan, it to be dispelled the heat.In order to improve power density, fan electromotor generally adopts the dc brushless motor of low pressure, under the condition that exchanges input or high voltage direct current (HVDC), must increase by an accessory power supply, and this accessory power supply is monitoring and fan power supply by obtaining input voltage.In the situation that the input of arbitrary branch road has electricity, accessory power supply can get electric in order to guarantee, its power taking implementation generally has following two kinds:
If the input voltage of each test load is out of phase alternating voltage, the relay that utilizes alternating current 220V to drive is realized the switching of different power taking passages.But this kind way to take power can not be compatible the situation of high voltage direct current input, when relay switch, due to the restriction with the arc ability, coil is under the effect of high voltage direct current, magnetic core is saturated, very easily burns.
If the input voltage of two each test loads is high voltage direct current, utilize the voltage of each passage of diode pair to carry out rectification after parallel connection export to accessory power supply.But this kind way to take power is under out of phase interchange input situation, can cause the overtension after parallel connection and burn accessory power supply, if but adopt the accessory power supply of wide input voltage range, can cause that cost is high, volume is large; Simultaneously, this kind way to take power is not an isolation method thoroughly in itself, in the mixed occasion of alternating current-direct current, easily direct current is caused interference.
In sum, in available data central machine room power supply test, the power taking of accessory power supply can't be inputted and the high voltage direct current input by compatible different cross streams from supervisory circuit, has limited range of application.
The utility model content
The purpose of this utility model is to provide power taking and the supervisory circuit of accessory power supply in a kind of data center machine room power supply test, the power taking that is intended to solve accessory power supply in existing data center machine room power supply test and supervisory circuit can't compatible different cross streams inputs and high voltage direct current input, the problem that range of application is limited.
The utility model is achieved in that power taking and the supervisory circuit of accessory power supply in a kind of data center machine room power supply test, and described power taking and supervisory circuit comprise:
A plurality of insulating power supplies, the input end of the input end of described a plurality of insulating power supplies and multi-channel test load connects one to one respectively, the output terminal of described a plurality of insulating power supplies interconnects to form a power source bus, and described power source bus connects each power circuit in described power taking and supervisory circuit;
The electrical parameters detection circuit is for detection of input voltage and/or input current and the output detections value of each test load;
Logic control element is used for according to described detected value, each drive test examination load place path being carried out overvoltage/undervoltage judgement and/or overcurrent judgement, and according to judged result output one gating control signal;
The relay gating circuit, the drive end of described relay gating circuit and multi-channel test load connect one to one respectively, are used for switching according to described gating control signal the conduction path of inner each relay;
Output control circuit, described output control circuit are connected between the associating output terminal and accessory power supply of described relay gating circuit, are used for realizing that the zero current between described relay gating circuit, each relay switches.
in the data center machine room power supply test that the utility model proposes, the circuit of the power taking of accessory power supply and supervisory circuit is between relay gating circuit and accessory power supply, be provided with to realize the output control circuit of zero current switching between each relay, thereby solved the compatibling problem of different cross streams inputs and high voltage direct current input, the test load that can make multichannel input is not subjected to the impact of input power type, convenient on-the-spot test distribution, reduced implementing personnel's requirement, make the test load of a model can compatible more use occasion, reduced implementation cost, and circuit structure itself is simple, volume is little, cost is low.
Description of drawings
Fig. 1 is the circuit theory diagrams that band that prior art provides carries test macro;
Fig. 2 is the power taking of accessory power supply in the data center machine room power supply test that provides of the utility model the first embodiment and the circuit theory diagrams of supervisory circuit;
Fig. 3 is in Fig. 2, the circuit diagram of output control circuit;
Fig. 4 is in Fig. 2, the circuit diagram of relay gating circuit;
Fig. 5 is in Fig. 2, the structural drawing of electrical parameters detection circuit;
Fig. 6 is the power taking of accessory power supply in the data center machine room power supply test that provides of the utility model the second embodiment and the circuit theory diagrams of supervisory circuit.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Problem for the prior art existence, in the data center machine room power supply test that the utility model embodiment proposes, power taking and the supervisory circuit of accessory power supply are between relay gating circuit and accessory power supply, increase output control circuit, this output control circuit is used for realizing that the zero current between each relay of relay gating circuit switches.
Fig. 2 shows the power taking of accessory power supply in the data center machine room power supply test that the utility model the first embodiment provides and the circuit theory of supervisory circuit, for convenience of explanation, only shows the part relevant to the utility model the first embodiment.
At length, in the data center machine room power supply test that the utility model the first embodiment provides, power taking and the supervisory circuit of accessory power supply comprise: a plurality of insulating power supplies 11, the input end of the input end of a plurality of insulating power supplies 11 and multi-channel test load connects one to one respectively, the output terminal of a plurality of insulating power supplies 11 interconnects to form a power source bus 12, each power circuit that power source bus 12 connects in power taking and supervisory circuit; Electrical parameters detection circuit 13, the input end of electrical parameters detection circuit 13 and multi-channel test load connect one to one respectively, the feeder ear of electrical parameters detection circuit 13 can connect power source bus 12, for detection of input voltage and/or input current and the output detections value of each test load; Logic control element 14, the feeder ear of logic control element 14 can connect power source bus 12, is used for according to detected value, each drive test examination load place path being carried out overvoltage/undervoltage judgement and/or overcurrent judgement, and according to judged result output one gating control signal; Relay gating circuit 15, the feeder ear of relay gating circuit 15 can connect power source bus 12, the drive end of relay gating circuit 15 and multi-channel test load connect one to one respectively, are used for switching according to the gating control signal conduction path of inner each relay; Output control circuit 16, the feeder ear of output control circuit 16 can connect power source bus 12, output control circuit 16 is connected between the associating output terminal and accessory power supply of relay gating circuit 15, is used for realizing that the zero current between relay gating circuit 15, each relay switches.
In the utility model the first embodiment, between relay gating circuit 15 and accessory power supply, be provided with to realize the output control circuit 16 of zero current switching between each relay, thereby solved the compatibling problem that the input of different cross streams and high voltage direct current are inputted, and simple in structure, volume is little, cost is low.
In the utility model the first embodiment, the maximum power value of insulating power supply 11 preferably is no more than 5W, and the output of a plurality of insulating power supplies 11 interconnects, when wherein arbitrary insulating power supply 11 powers on, all can be accessory power supply sufficient electric weight is provided, and can be in the power taking and supervisory circuit of accessory power supply in the data center machine room power supply test, arbitrary power circuit provides electric energy, to guarantee the reliability service of system.
In the utility model the first embodiment, because front end has carried out processing thoroughly to the isolation between each path, therefore accessory power supply can select the Switching Power Supply of single-phase 220V interchange input to get final product, the output voltage of accessory power supply needs to be complementary with the supply voltage of fan electromotor, such as being 12V direct current, 24V direct current or 48V direct current etc.
Fig. 3 shows in Fig. 2, the circuit of output control circuit 16.
Specifically, output control circuit 16 can comprise: the rectifier bridge that is made of diode D1, diode D2, diode D3 and diode D4, and an on-off circuit.Wherein, the input end of rectifier bridge connects the associating output terminal of relay gating circuit 15, and the first output terminal of rectifier bridge connects an input end of accessory power supply, and the second output terminal of rectifier bridge connects another input end of accessory power supply by on-off circuit; Wherein, on-off circuit connects logic control element 14, and realizes the switching of on off operating mode under the control of logic control element 14, in order to realize that in relay gating circuit 15, the zero current between each relay switches, need guarantee that on-off circuit is in off-state in the relay switch process.
Preferably, the single-pole single-throw switch (SPST) K1 shown in Fig. 3 on-off circuit can be metal-oxide-semiconductor, IGBT pipe, the perhaps transistor switch of other type.
Fig. 4 shows in Fig. 2, the circuit of relay gating circuit 15.
Specifically, relay gating circuit 15 can comprise: a plurality of relay J, a plurality of control output pins of the end andlogic control unit 14 of the inductive coil L in a plurality of relay J connect one to one respectively, and the other end of the inductive coil L in a plurality of relay J connects power source bus 12 jointly; The first end of the double-contact normal open switch in a plurality of relay J is respectively as the drive end of relay gating circuit 15, and connect one to one respectively with the input end of multi-channel test load, the second end of the double-contact normal open switch in a plurality of relay J interconnects, and as the associating output terminal of relay gating circuit 15 and connect output control circuit 16.
Fig. 5 shows in Fig. 2, the structure of electrical parameters detection circuit 13.
Specifically, electrical parameters detection circuit 13 can comprise: voltage detecting circuit 131, the input end of voltage detecting circuit 131 connects one to one respectively with the multi-channel test load as the input end of electrical parameters detection circuit 13, for detection of input voltage and the output detections value of each drive test examination load; Current detection circuit 132, the input end of current detection circuit 132 connects one to one respectively with the multi-channel test load as the input end of electrical parameters detection circuit 13, for detection of input current and the output detections value of each drive test examination load.
Preferably, in the utility model the first embodiment, voltage detecting circuit 131 is high resistant difference channel or voltage sensor; Current detection circuit 132 is current sensors.
Fig. 6 is the power taking of accessory power supply in the data center machine room power supply test that provides of the utility model the second embodiment and the circuit theory of supervisory circuit, for convenience of explanation, only shows the part relevant to the utility model the second embodiment.
The first embodiment is different from the utility model, in the utility model the second embodiment, logic control element 14 also is used for the detected value according to 13 outputs of electrical parameters detection circuit, calculate the Monitoring Data on each road, in the data center machine room power supply test, the power taking of accessory power supply also comprises with supervisory circuit: be connected the display unit 17 of logic control element 14, be used for the Monitoring Data that display logic control module 14 calculates; And/or communication module 18, the Monitoring Data that is used for logic control element 14 is calculated sends to the background monitoring computing machine.
Wherein, Monitoring Data can be not limited to be: the applied power on the instantaneous power on the effective value of the effective value of each road voltage and mean value, each road electric current and mean value, each road, the active power on each road, each road and/or alternating current-direct current judged result data.
Preferably, in the utility model the second embodiment, communication module 18 is connected with the background monitoring computing machine by the RS485 interface.
in sum, in the data center machine room power supply test that the utility model proposes, the circuit of the power taking of accessory power supply and supervisory circuit is between relay gating circuit 15 and accessory power supply, be provided with to realize the output control circuit 16 of zero current switching between each relay, thereby solved the compatibling problem of different cross streams inputs and high voltage direct current input, the test load that can make multichannel input is not subjected to the impact of input power type, convenient on-the-spot test distribution, reduced implementing personnel's requirement, make the test load of a model can compatible more use occasion, reduced implementation cost, and circuit structure itself is simple, volume is little, cost is low.Simultaneously, adopt a plurality of insulating power supplies to unite the mode of power supply, when arbitrary drive test examination load powers on, all can make accessory power supply get electric, improved system's reliability of operation.In addition, also can pass through the monitoring that display unit 17 is realized each road operation conditions, and can further each road Monitoring Data be exported to background computer by communication module 18, to facilitate field staff's operation.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. power taking and the supervisory circuit of accessory power supply in a data center machine room power supply test, is characterized in that, described power taking and supervisory circuit comprise:
A plurality of insulating power supplies, the input end of the input end of described a plurality of insulating power supplies and multi-channel test load connects one to one respectively, the output terminal of described a plurality of insulating power supplies interconnects to form a power source bus, and described power source bus connects each power circuit in described power taking and supervisory circuit;
The electrical parameters detection circuit is for detection of input voltage and/or input current and the output detections value of each test load;
Logic control element is used for according to described detected value, each drive test examination load place path being carried out overvoltage/undervoltage judgement and/or overcurrent judgement, and according to judged result output one gating control signal;
The relay gating circuit, the drive end of described relay gating circuit and multi-channel test load connect one to one respectively, are used for switching according to described gating control signal the conduction path of inner each relay;
Output control circuit, described output control circuit are connected between the associating output terminal and accessory power supply of described relay gating circuit, are used for realizing that the zero current between described relay gating circuit, each relay switches.
2. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 1, it is characterized in that, described output control circuit comprises: the rectifier bridge that is made of diode D1, diode D2, diode D3 and diode D4, and an on-off circuit;
The input end of described rectifier bridge connects the associating output terminal of described relay gating circuit, the first output terminal of described rectifier bridge connects an input end of described accessory power supply, and the second output terminal of described rectifier bridge connects another input end of described accessory power supply by described on-off circuit;
Described on-off circuit connects described logic control element, and realizes the switching of on off operating mode under the control of described logic control element, and is in off-state in described relay switch process.
3. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 2, is characterized in that, the switch of described on-off circuit is metal-oxide-semiconductor or IGBT pipe.
4. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 1, is characterized in that, described relay gating circuit comprises: a plurality of relays;
A plurality of control output pins of one end of the inductive coil in described a plurality of relay and described logic control element connect one to one respectively, the described power source bus of the common connection of the other end of the described inductive coil in described a plurality of relays; The first end of the double-contact normal open switch in described a plurality of relay and the input end of multi-channel test load connect one to one respectively, the second end of the described double-contact normal open switch in described a plurality of relay interconnects, and as the associating output terminal of described relay gating circuit.
5. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 1, is characterized in that, described electrical parameters detection circuit comprises:
Voltage detecting circuit, the input end of described voltage detecting circuit and multi-channel test load connect one to one respectively, for detection of input voltage and the output detections value of each drive test examination load;
Current detection circuit, the input end of described current detection circuit and multi-channel test load connect one to one respectively, for detection of input current and the output detections value of each drive test examination load.
6. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 5, is characterized in that, described voltage detecting circuit is high resistant difference channel or voltage sensor, and described current detection circuit is current sensor.
7. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 1, it is characterized in that, described logic control element also is used for the described detected value according to described electrical parameters detection circuit output, calculate the Monitoring Data on each road, described power taking and supervisory circuit also comprise:
Display unit is used for showing the described Monitoring Data that described logic control element calculates; And/or
Communication module, the described Monitoring Data that is used for described logic control element is calculated sends to the background monitoring computing machine.
8. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 7, it is characterized in that, described Monitoring Data is the effective value of the effective value of each road voltage and mean value, each road electric current and mean value, the instantaneous power on each road, the active power on each road, applied power and/or the alternating current-direct current judged result data on each road.
9. power taking and the supervisory circuit of accessory power supply in data center machine room power supply test as claimed in claim 7, is characterized in that, described communication module is connected with described background monitoring computing machine by the RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320286589 CN203275614U (en) | 2013-05-23 | 2013-05-23 | Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320286589 CN203275614U (en) | 2013-05-23 | 2013-05-23 | Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275614U true CN203275614U (en) | 2013-11-06 |
Family
ID=49505990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320286589 Withdrawn - After Issue CN203275614U (en) | 2013-05-23 | 2013-05-23 | Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323789A (en) * | 2013-05-23 | 2013-09-25 | 深圳睿立方智能科技有限公司 | Electric fetching and monitoring circuit of auxiliary power supply in data center machine room power supply test |
-
2013
- 2013-05-23 CN CN 201320286589 patent/CN203275614U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323789A (en) * | 2013-05-23 | 2013-09-25 | 深圳睿立方智能科技有限公司 | Electric fetching and monitoring circuit of auxiliary power supply in data center machine room power supply test |
| CN103323789B (en) * | 2013-05-23 | 2015-07-29 | 深圳睿立方智能科技有限公司 | The power taking of accessory power supply and supervisory circuit in a kind of data center machine room power supply test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014176958A1 (en) | Electric energy router with multiple power supply modes | |
| CN103580584B (en) | Ac-dc-ac inverter device is pressed in the redundancy of mine hoist double-winding synchronous motor | |
| CN101640472A (en) | Intelligent integrated elevator system assistant power device | |
| CN211089218U (en) | High-capacity high-reliability rapid power supply switching device | |
| CN106130046B (en) | A kind of AC three-phase load automatic-balancing system | |
| CN103323789B (en) | The power taking of accessory power supply and supervisory circuit in a kind of data center machine room power supply test | |
| CN107276106A (en) | A kind of low pressure phase selection balance system and its method of work | |
| CN203275614U (en) | Power-taking and monitoring circuit of auxiliary power supply during power supply testing in data center machine room | |
| CN107565542A (en) | A kind of quiet tune power-supply system of urban rail | |
| CN107404117A (en) | High-voltage board electric power supply control system and method | |
| CN102842911A (en) | Mine-used dynamic reactive power compensation device | |
| CN204376525U (en) | A kind of emergency supply circuit | |
| CN204216661U (en) | The uninterrupted ac power supply system of a kind of power communication machine room | |
| CN201699423U (en) | Three-phase power voltage stabilizer with three-phase simultaneous output function and three-single-phase independent output function | |
| CN208028654U (en) | Based on green intelligent garden illumination management system | |
| CN102664393A (en) | Short-circuit current limiting device | |
| CN202930939U (en) | Intelligent type three phase electricity-saving appliance | |
| CN208112223U (en) | Power of alterating and direct current multi-function test stand distribution system | |
| CN106602546A (en) | 110kv step-down substation electrical primary system | |
| CN204258428U (en) | A kind of mobile wheelbarrow switch type power supply vehicle of meet an emergency switch cubicle | |
| CN205453109U (en) | Two line user phasing switch devices of low pressure | |
| CN204886751U (en) | A electronic switching variable frequency power supply system for electromagnetic stirring device | |
| CN204947339U (en) | The electric interlocking installation of many inlet wire many mothers low-voltage distribution systems | |
| CN101888089A (en) | Three-phase power voltage stabilizer with three-phase and three respective single-phase output function | |
| CN206908307U (en) | Condensate Pump Frequency Conversion device power control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20150729 |
|
| RGAV | Abandon patent right to avoid regrant |