CN203101554U - Adjustable fictitious load device - Google Patents
Adjustable fictitious load device Download PDFInfo
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- CN203101554U CN203101554U CN 201320079324 CN201320079324U CN203101554U CN 203101554 U CN203101554 U CN 203101554U CN 201320079324 CN201320079324 CN 201320079324 CN 201320079324 U CN201320079324 U CN 201320079324U CN 203101554 U CN203101554 U CN 203101554U
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Abstract
The utility model provides an adjustable fictitious load device. The adjustable fictitious load device comprises a fictitious load module, an adjustable capacitor module, a rectifying module and an adjustable resistor module, wherein the adjustable capacitor module is connected in parallel with the fictitious load module, the rectifying module is provided with an input end and an output end, and the output end of the rectifying module is connected with the adjustable capacitor module; and the adjustable resistor module is connected with the input end of the rectifying module, and an input power factor and current harmonics of the fictitious load device are regulated through regulating the adjustable capacitor module and the adjustable resistor module. The adjustable fictitious load device provided by the utility model is adopted, so that a fictitious load characteristic in a testing process is closer to the characteristic of a practical server load, and a test effect is better.
Description
Technical field
The utility model relates to data center machine room integration test technical field, particularly a kind of adjustable fictitious load device.
Background technology
At present, for quality and the performance that guarantees that data center machine room is paid, a lot of newly-built machine rooms all can adopt fictitious load to simulate the mode of true server load heating and electricity consumption, and the availability of whole equipment room system is tested, and this process is called the integration test of machine room.Generally speaking, the fictitious load of being adopted of machine room integration test is single service and the nonadjustable mode of fictitious load, and as shown in Figure 1, fictitious load R links to each other with live wire L with the zero line N of power supply by switch.When carrying out integration test, the server load of being adopted generally is the pure resistor load, and its load characteristic is that input power factor is 1, and Harmonics of Input is 0%.And the load characteristic of real server is that input power factor is between 0.7 ~ 0.95, between the current harmonics position 5% ~ 30%, so there are very big-difference in fictitious load and the real server load adopted during integration test at present, can't be fully real detecting electric equipment is generator, UPS(Uninterruptible Power System for example, uninterrupted power source) etc. performance, the simulation test effect is relatively poor.
The utility model content
The purpose of this utility model is intended to solve at least one of above-mentioned technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of adjustable fictitious load device, adopts this adjustable fictitious load device, can make the characteristic of the characteristic of the fictitious load in the test process and real server load more approaching, the simulation test better effects if.
For achieving the above object, the utility model proposes a kind of adjustable fictitious load device, comprising: the fictitious load module; The tunable capacitor module, described tunable capacitor module and described fictitious load module are connected in parallel; Rectification module, described rectification module has input end and output terminal, and the output terminal of described rectification module links to each other with described tunable capacitor module; The adjustable resistance module, described adjustable resistance module links to each other with the input end of described rectification module; Wherein, by adjusting described tunable capacitor module and described adjustable resistance module to realize regulating the input power factor and the current harmonics of fictitious load device.
According to the adjustable fictitious load device that the utility model proposes, by adjusting tunable capacitor module and adjustable resistance module, can make the input power factor and the current harmonics of adjustable fictitious load device adjustable, satisfy the demand of test, thereby the load characteristic of emulating server has improved the simulation test effect more realistically.
Further, described tunable capacitor module comprises: a plurality of capacitance adjustment unit, described a plurality of capacitance adjustment unit is connected in parallel.
And each described capacitance adjustment unit comprises first switch and first electric capacity that is connected in series.
In addition, the adjustable resistance module comprises the variable resistor and first resistance that is connected in series.
More preferably, described adjustable fictitious load device also comprises: second switch, one end of described second switch links to each other with the positive terminal of power supply, and the other end of described second switch links to each other with a described variable-resistance end, and the described variable-resistance other end links to each other with an end of described first resistance.
Further, described rectification module is a rectifier bridge, and the positive input terminal of described rectifier bridge links to each other with the other end of described first resistance, and the negative input end of described rectifier bridge links to each other with the negative pole end of described power supply.
Preferably, the input power factor of described fictitious load device is adjustable between 0.7-0.95, and the current harmonics of described fictitious load device is adjustable between 5%-40%.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the non-adjustable fictitious load power supply mode synoptic diagram of prior art;
Fig. 2 is the adjustable fictitious load apparatus structure synoptic diagram according to the utility model embodiment; And
Fig. 3 is the adjustable fictitious load apparatus structure synoptic diagram according to a specific embodiment of the present utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereinafter provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter parts and the setting to specific examples is described.Certainly, they only are example, and purpose does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between various embodiment that discuss of institute and/or the setting.In addition, various specific technology and examples of material that the utility model provides, but those of ordinary skills can recognize the property of can be applicable to of other technologies and/or the use of other materials.In addition, first feature described below second feature it " on " structure can comprise that first and second features form the embodiment of direct contact, can comprise that also additional features is formed on the embodiment between first and second features, such first and second features may not be direct contacts.
In description of the present utility model, need to prove, unless otherwise prescribed and limit, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
With reference to following description and accompanying drawing, with these and other aspects of clear embodiment of the present utility model.In these descriptions and accompanying drawing, some specific implementations among the embodiment of the present utility model are specifically disclosed, represent to implement some modes of the principle of embodiment of the present utility model, but should be appreciated that the scope of embodiment of the present utility model is not limited.On the contrary, embodiment of the present utility model comprises and falls into appended spirit that adds the right claim and all changes, modification and the equivalent in the intension scope.
The adjustable fictitious load device that proposes according to the utility model embodiment is described with reference to the accompanying drawings.
As shown in Figure 2, the adjustable fictitious load device of embodiment proposition of the present utility model comprises: fictitious load module 201, tunable capacitor module 202, rectification module 203 and adjustable resistance module 204.Wherein, tunable capacitor module 202 is connected in parallel with fictitious load module 201.Rectification module 203 has input end and output terminal, and the output terminal of rectification module 203 links to each other with tunable capacitor module 202.Adjustable resistance module 204 links to each other with the input end of rectification module 203.Wherein, by adjusting tunable capacitor module 202 and adjustable resistance module 204 to realize regulating the input power factor and the current harmonics of fictitious load device.
Further, in an embodiment of the present utility model, tunable capacitor module 202 further comprises a plurality of capacitance adjustment unit, and a plurality of capacitance adjustment unit is connected in parallel.And each capacitance adjustment unit comprises first switch and first electric capacity that is connected in series.In a specific embodiment of the present utility model, as shown in Figure 3, tunable capacitor module 202 comprises that two capacitance adjustment unit are respectively capacitance adjustment unit 301 and capacitance adjustment unit 302, and capacitance adjustment unit 301 and 302 in parallel linking to each other of capacitance adjustment unit, capacitance adjustment unit 301 comprises first K switch 1 and first capacitor C 1, and capacitance adjustment unit 302 comprises first K switch 11 and first capacitor C 11.
As shown in Figure 3, in the present embodiment, adjustable resistance module 204 comprises the variable resistor 303 and first resistance R 1 that is connected in series.Regulate the capacitance size of places in circuit by the size of adjusting variable resistor 303 with by capacitance adjustment unit 301 and capacitance adjustment unit 302, thereby can change the input power factor and the current harmonics of fictitious load device.
In the present embodiment, as shown in Figure 3, rectification module 203 can be rectifier bridge, and the positive input terminal of rectifier bridge links to each other with the other end of first resistance R 1, the negative input end of rectifier bridge links to each other with the negative pole end of power supply, and wherein the negative pole end of power supply can be the zero line N of city's power supply.Converting the alternating current of importing to direct current by rectifier bridge exports.
Further, in an embodiment of the present utility model, as shown in Figure 3, above-mentioned adjustable fictitious load device also comprises second switch K2, and the end of second switch K2 links to each other with the positive terminal of power supply, and the positive terminal of power supply can be the live wire L of city's power supply.The other end of second switch K2 links to each other with an end of variable resistor 303, and the other end of variable resistor 303 links to each other with an end of first resistance R 1.Closed second switch K2 then is adjustable fictitious load device power supply.
In embodiment of the present utility model, by adjusting tunable capacitor module 202 and adjustable resistance module 204 to realize regulating the input power factor and the current harmonics of fictitious load device.Particularly, thereby as required by regulate a plurality of capacitance adjustment unit in the tunable capacitor module 202 can regulate place in circuit electric capacity size and change the size of resistance by regulating variable resistor 303 in the adjustable resistance module 204, realize regulating the input power factor and the current harmonics of fictitious load device at last.
In sum, the power supply characteristic of the adjustable fictitious load device that the utility model embodiment proposes is similar to the server power supply characteristic, by adjusting tunable capacitor module 202 and adjustable resistance module 204, the input power factor that can realize this adjustable fictitious load device is adjustable between 0.7-0.95, and the current harmonics of fictitious load device is adjustable between 5%-40%.And the load characteristic of real server be input power factor in 0.7 ~ 0.95, current harmonics is between 5% ~ 30%, so the adjustable fictitious load device that the utility model embodiment proposes can satisfy the demand of test fully.
Adjustable fictitious load device according to the utility model embodiment, by adjusting tunable capacitor module and adjustable resistance module, the input power factor of adjustable fictitious load device is between the 0.7-0.95, current harmonics is between 5%-40%, satisfy the demand of test, thereby the load characteristic of emulating server more realistically, actual performance that can detecting electric equipment has improved the simulation test effect.
In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present utility model is by claims and be equal to and limit to these embodiment.
Claims (7)
1. an adjustable fictitious load device is characterized in that, comprising:
The fictitious load module;
The tunable capacitor module, described tunable capacitor module and described fictitious load module are connected in parallel;
Rectification module, described rectification module has input end and output terminal, and the output terminal of described rectification module links to each other with described tunable capacitor module;
The adjustable resistance module, described adjustable resistance module links to each other with the input end of described rectification module;
Wherein, by adjusting described tunable capacitor module and described adjustable resistance module to realize regulating the input power factor and the current harmonics of fictitious load device.
2. adjustable fictitious load device as claimed in claim 1 is characterized in that, described tunable capacitor module further comprises:
A plurality of capacitance adjustment unit, described a plurality of capacitance adjustment unit is connected in parallel.
3. adjustable fictitious load device as claimed in claim 2 is characterized in that, each described capacitance adjustment unit comprises first switch and first electric capacity that is connected in series.
4. adjustable fictitious load device as claimed in claim 1 is characterized in that, described adjustable resistance module comprises the variable resistor and first resistance that is connected in series.
5. adjustable fictitious load device as claimed in claim 4 is characterized in that, also comprises:
Second switch, an end of described second switch links to each other with the positive terminal of power supply, and the other end of described second switch links to each other with a described variable-resistance end, and the described variable-resistance other end links to each other with an end of described first resistance.
6. adjustable fictitious load device as claimed in claim 5 is characterized in that described rectification module is a rectifier bridge, and the positive input terminal of described rectifier bridge links to each other with the other end of described first resistance, and the negative input end of described rectifier bridge links to each other with the negative pole end of described power supply.
7. as each described adjustable fictitious load device of claim 1-6, it is characterized in that the input power factor of described fictitious load device is adjustable between 0.7-0.95, the current harmonics of described fictitious load device is adjustable between 5%-40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079324 CN203101554U (en) | 2013-02-20 | 2013-02-20 | Adjustable fictitious load device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079324 CN203101554U (en) | 2013-02-20 | 2013-02-20 | Adjustable fictitious load device |
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| Publication Number | Publication Date |
|---|---|
| CN203101554U true CN203101554U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079324 Expired - Lifetime CN203101554U (en) | 2013-02-20 | 2013-02-20 | Adjustable fictitious load device |
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| CN (1) | CN203101554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578747A (en) * | 2013-10-15 | 2015-04-29 | 群光电能科技股份有限公司 | Power factor correction device with variable capacitance |
| CN105301382A (en) * | 2014-08-01 | 2016-02-03 | 智上科技股份有限公司 | Electronic device and detection method thereof |
| CN105301520A (en) * | 2015-11-24 | 2016-02-03 | 北京东方计量测试研究所 | Adjustable nonlinear load configuration system |
-
2013
- 2013-02-20 CN CN 201320079324 patent/CN203101554U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578747A (en) * | 2013-10-15 | 2015-04-29 | 群光电能科技股份有限公司 | Power factor correction device with variable capacitance |
| CN105301382A (en) * | 2014-08-01 | 2016-02-03 | 智上科技股份有限公司 | Electronic device and detection method thereof |
| CN105301520A (en) * | 2015-11-24 | 2016-02-03 | 北京东方计量测试研究所 | Adjustable nonlinear load configuration system |
| CN105301520B (en) * | 2015-11-24 | 2018-01-16 | 北京东方计量测试研究所 | Adjustable nonlinear load configures system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130731 |