CN106324528A - Variable load module - Google Patents
Variable load module Download PDFInfo
- Publication number
- CN106324528A CN106324528A CN201510333265.8A CN201510333265A CN106324528A CN 106324528 A CN106324528 A CN 106324528A CN 201510333265 A CN201510333265 A CN 201510333265A CN 106324528 A CN106324528 A CN 106324528A
- Authority
- CN
- China
- Prior art keywords
- variable load
- load module
- unit
- electrically connected
- power supply
- 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.)
- Pending
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
A variable load module is applicable to a power supply. The power supply is electrically connected with the variable load module. The variable load module comprises a resistor array unit and a control unit. The resistor array unit is electrically connected with the power supply. The control unit is electrically connected with the power supply and the resistor array unit. The resistor array unit comprises multiple resistors and multiple switch units. The resistors are electrically connected with the power supply. The resistors are in mutual serial connection or in mutual parallel connection. The switch units are electrically connected with the power supply, the resistors and the control unit.
Description
Technical field
The present invention relates to a kind of load blocks, particularly to a kind of variable load module.
Background technology
The load blocks being currently used for testing power supply unit has two kinds:
The most fixed ohmic load: owing to test power supply unit needs different load value correspondences, because of
This fixed ohmic load needing to have multiple different resistance, bothers in the extreme；And without monitoring for security
Mechanism.
The purest electronic type loads: need external civil power, is the most also inconvenience in the extreme.
Summary of the invention
For improving the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of variable load module.
For reaching the above-mentioned purpose of the present invention, the variable load module of the present invention is to be applied to a power supply supply
Device, this power supply unit is electrically connected to this variable load module, and this variable load module comprises: a resistance
Array element, this electric resistance array unit is electrically connected to this power supply unit；And a control unit, this control
Unit is electrically connected to this power supply unit and this electric resistance array unit.Wherein this electric resistance array unit comprises:
Multiple resistance, those resistance are electrically connected to this power supply unit, and those resistance are one another in series or in parallel；And
Multiple switch elements, those switch elements are electrically connected to this power supply unit, those resistance and this control list
Unit.
Furthermore, variable load module as above, further include: a monitoring means, this monitoring means is electrical
It is connected to this electric resistance array unit and this control unit.
Furthermore, variable load module as above, wherein this monitoring means comprises: a voltage monitoring list
Unit, this voltage monitoring subelement is electrically connected to this electric resistance array unit and this control unit.
Furthermore, variable load module as above, wherein this monitoring means comprises: a current monitoring list
Unit, this current monitoring subelement is electrically connected to this electric resistance array unit and this control unit.
Furthermore, variable load module as above, wherein this monitoring means comprises: a temperature monitoring list
Unit, this temperature monitoring subelement is electrically connected to this electric resistance array unit and this control unit.
Furthermore, variable load module as above, wherein this voltage monitoring subelement is a voltage monitoring electricity
Road.
Furthermore, variable load module as above, wherein this current monitoring subelement is a current monitoring electricity
Road.
Furthermore, variable load module as above, wherein this temperature monitoring subelement is a temperature monitoring electricity
Road.
Furthermore, variable load module as above, wherein those resistance are cement resistor.
Furthermore, variable load module as above, wherein those switch elements are transistor switch or relay
Device switchs.
Effect of the present invention is that the structure simplifying variable load module is to reduce the cost of variable load module.
Utilize the present invention, during test power supply unit, be no longer necessary to have multiple different valued resistor load, and this
The bright monitoring protection mechanism with overvoltage, overcurrent and high temperature, also need not external civil power, the most very
Ground is convenient.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 is the variable load block diagram of the present invention；
Fig. 2 is the electric resistance array unit block diagram of the present invention.
Wherein, reference
Variable load module 10
Power supply unit 20
Electric resistance array unit 102
Control unit 104
Load demand signal generation unit 106
Monitoring means 108
Load demand signal 110
Resistance 10202
Switch element 10204
Voltage monitoring subelement 10802
Current monitoring subelement 10804
Temperature monitoring subelement 10806
Detailed description of the invention
Detailed description for the present invention and technology contents, refer to further detail below and accompanying drawing illustrates such as
Under, and accompanying drawing is with detailed description as illustrative purposes only, is not intended to limit the present invention.
Refer to Fig. 1, it is the variable load block diagram for the present invention.One variable load module 10
It is to be applied to a power supply unit 20, uses the function testing this power supply unit 20.This variable load mould
Block 10 comprises electric resistance array unit 102, control unit 104, load demand signal generation unit
106 and a monitoring means 108；This monitoring means 108 comprises voltage monitoring subelement 10802, electricity
Stream monitoring subelement 10804 and a temperature monitoring subelement 10806.
This power supply unit 20 is electrically connected to this variable load module 10；This electric resistance array unit 102 electricity
Property is connected to this power supply unit 20；This control unit 104 is electrically connected to this power supply unit 20 and is somebody's turn to do
Electric resistance array unit 102；This load demand signal generation unit 106 is electrically connected to this control unit 104；
This monitoring means 108 is electrically connected to this electric resistance array unit 102 and this control unit 104；This voltage is supervised
Survey subelement 10802 and be electrically connected to this electric resistance array unit 102 and this control unit 104；This electric current is supervised
Survey subelement 10804 and be electrically connected to this electric resistance array unit 102 and this control unit 104；This temperature is supervised
Survey subelement 10806 and be electrically connected to this electric resistance array unit 102 and this control unit 104.
Refer to Fig. 2, it is the electric resistance array unit block diagram for the present invention；And please also refer to Fig. 1.
This electric resistance array unit 102 comprises multiple resistance 10202 and multiple switch element 10204.Those resistance
10202 are electrically connected to this power supply unit 20；Those resistance 10202 are one another in series or in parallel；Those are opened
Close unit 10204 and be electrically connected to this power supply unit 20, those resistance 10202 and this control unit 104.
This load demand signal generation unit 106 transmits a load demand signal 110 to this control unit
104；According to this load demand signal 110, this control unit 104 controls those switch elements 10204 and leads
Logical or be not turned on so that those resistance 10202 one of are formed overall load and produce change, bear meeting this
Carry the load value that demand signal 110 requires this electric resistance array unit 102 to reach, use this power supply of test and supply
Answer the function of device 20.
Furthermore, when this voltage monitoring subelement 10802, this current monitoring subelement 10804 or this temperature are supervised
When survey subelement 10806 detects the voltage of this electric resistance array unit 102, electric current or temperature anomaly, notice
This control unit 104, this control unit 104 i.e. controls those switch elements 10204 and is not turned on being somebody's turn to do with protection
Variable load module 10 and this power supply unit 20.This variable load module 10 is to receive to utilize this power supply
The power supply that supply 20 (that is, utilizing undetected object) is provided.
This voltage monitoring subelement 10802 can be such as but to be not limited to an electric voltage observation circuit；This electric current is supervised
Surveying subelement 10804 can be such as but to be not limited to a current monitoring circuit；This temperature monitoring subelement
10806 can be such as but to be not limited to a temperature observation circuit；Those resistance 10202 can be such as but not limit
It is set to cement resistor；Those switch elements 10204 can be such as but to be not limited to transistor switch or relay
Switch.
Effect of the present invention is that the structure simplifying variable load module is to reduce the cost of variable load module.
Utilize the present invention, during test power supply unit, be no longer necessary to have multiple different valued resistor load, and this
The bright monitoring protection mechanism with overvoltage, overcurrent and high temperature, also need not external civil power, the most very
Ground is convenient.
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art work as can make various corresponding change and deformation according to the present invention, but
These change accordingly and deform the protection domain that all should belong to appended claims of the invention.
Claims (10)
1. a variable load module, is applied to a power supply unit, and this power supply unit is electrically connected to
This variable load module, it is characterised in that this variable load module comprises:
One electric resistance array unit, this electric resistance array unit is electrically connected to this power supply unit；And
One control unit, this control unit is electrically connected to this power supply unit and this electric resistance array unit,
Wherein this electric resistance array unit comprises:
Multiple resistance, those resistance are electrically connected to this power supply unit, and those resistance are one another in series or in parallel；
And
Multiple switch elements, those switch elements are electrically connected to this power supply unit, those resistance and this control
Unit processed.
Variable load module the most according to claim 1, it is characterised in that further include:
One monitoring means, this monitoring means is electrically connected to this electric resistance array unit and this control unit.
Variable load module the most according to claim 2, it is characterised in that this monitoring means comprises:
One voltage monitoring subelement, this voltage monitoring subelement is electrically connected to this electric resistance array unit and this control
Unit processed.
Variable load module the most according to claim 2, it is characterised in that this monitoring means comprises:
One current monitoring subelement, this current monitoring subelement is electrically connected to this electric resistance array unit and this control
Unit processed.
Variable load module the most according to claim 2, it is characterised in that this monitoring means comprises:
One temperature monitoring subelement, this temperature monitoring subelement is electrically connected to this electric resistance array unit and this control
Unit processed.
Variable load module the most according to claim 3, it is characterised in that this voltage monitoring list
Unit is an electric voltage observation circuit.
Variable load module the most according to claim 4, it is characterised in that this current monitoring list
Unit is a current monitoring circuit.
Variable load module the most according to claim 5, it is characterised in that this temperature monitoring list
Unit is a temperature observation circuit.
Variable load module the most according to claim 1, it is characterised in that those resistance are cement
Resistance.
Variable load module the most according to claim 1, it is characterised in that those switch elements are
Transistor switch or relay switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333265.8A CN106324528A (en) | 2015-06-16 | 2015-06-16 | Variable load module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510333265.8A CN106324528A (en) | 2015-06-16 | 2015-06-16 | Variable load module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106324528A true CN106324528A (en) | 2017-01-11 |
Family
ID=57732199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510333265.8A Pending CN106324528A (en) | 2015-06-16 | 2015-06-16 | Variable load module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106324528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942159A (en) * | 2017-11-03 | 2018-04-20 | 国网浙江省电力公司电动汽车服务分公司 | DC charging motor power test loads |
| CN112526383A (en) * | 2020-12-21 | 2021-03-19 | 贵州航天计量测试技术研究所 | Automatic calibration device and calibration method for alternating current/direct current stabilized power supply |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040201936A1 (en) * | 2003-04-09 | 2004-10-14 | Hyundai Mobis Co., Ltd. | Power supply device having overcurrent protection function and method for controlling the same |
| CN1691456A (en) * | 2004-04-12 | 2005-11-02 | 新巨企业股份有限公司 | Interlocking control circuit for paralleling power supply |
| CN1740803A (en) * | 2004-08-24 | 2006-03-01 | 鸿富锦精密工业（深圳）有限公司 | The ohmic load system |
| CN102096050A (en) * | 2010-12-10 | 2011-06-15 | 奇瑞汽车股份有限公司 | Detection device of direct current-direct current power supply circuit |
| CN102313828A (en) * | 2011-06-30 | 2012-01-11 | 重庆长安汽车股份有限公司 | Direct current converter electronic load used for hybrid vehicle |
| CN102798831A (en) * | 2011-05-26 | 2012-11-28 | 鸿富锦精密工业（深圳）有限公司 | Circuit load device |
| CN202975292U (en) * | 2012-12-28 | 2013-06-05 | 中国电子科技集团公司第五十四研究所 | Eight-way electronic load device |
| KR101273354B1 (en) * | 2011-12-02 | 2013-06-12 | 동양하이테크산업주식회사 | Apparatus for power supply |
| CN203502569U (en) * | 2013-08-20 | 2014-03-26 | 深圳市晶福源电子技术有限公司 | Detection circuit with function of protection |
| CN203672926U (en) * | 2013-12-16 | 2014-06-25 | 天津市鑫鼎源科技发展有限公司 | Matrix type load device |
-
2015
- 2015-06-16 CN CN201510333265.8A patent/CN106324528A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040201936A1 (en) * | 2003-04-09 | 2004-10-14 | Hyundai Mobis Co., Ltd. | Power supply device having overcurrent protection function and method for controlling the same |
| CN1691456A (en) * | 2004-04-12 | 2005-11-02 | 新巨企业股份有限公司 | Interlocking control circuit for paralleling power supply |
| CN1740803A (en) * | 2004-08-24 | 2006-03-01 | 鸿富锦精密工业（深圳）有限公司 | The ohmic load system |
| CN102096050A (en) * | 2010-12-10 | 2011-06-15 | 奇瑞汽车股份有限公司 | Detection device of direct current-direct current power supply circuit |
| CN102798831A (en) * | 2011-05-26 | 2012-11-28 | 鸿富锦精密工业（深圳）有限公司 | Circuit load device |
| CN102313828A (en) * | 2011-06-30 | 2012-01-11 | 重庆长安汽车股份有限公司 | Direct current converter electronic load used for hybrid vehicle |
| KR101273354B1 (en) * | 2011-12-02 | 2013-06-12 | 동양하이테크산업주식회사 | Apparatus for power supply |
| CN202975292U (en) * | 2012-12-28 | 2013-06-05 | 中国电子科技集团公司第五十四研究所 | Eight-way electronic load device |
| CN203502569U (en) * | 2013-08-20 | 2014-03-26 | 深圳市晶福源电子技术有限公司 | Detection circuit with function of protection |
| CN203672926U (en) * | 2013-12-16 | 2014-06-25 | 天津市鑫鼎源科技发展有限公司 | Matrix type load device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942159A (en) * | 2017-11-03 | 2018-04-20 | 国网浙江省电力公司电动汽车服务分公司 | DC charging motor power test loads |
| CN107942159B (en) * | 2017-11-03 | 2020-07-03 | 国网浙江省电力公司电动汽车服务分公司 | Power test load of direct current charger |
| CN112526383A (en) * | 2020-12-21 | 2021-03-19 | 贵州航天计量测试技术研究所 | Automatic calibration device and calibration method for alternating current/direct current stabilized power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107706882B (en) | Electronic fuse for the electric loading in the vehicle electronic circuit system of motor vehicle | |
| CN102608445B (en) | The test of transient voltage protection device | |
| US11431162B2 (en) | Smart electronic switch | |
| US9931957B2 (en) | Battery system with a battery, which is designed to supply a high-voltage network with electric energy, and a measuring device for measuring at least one insulation resistance of the battery | |
| US20160169945A1 (en) | System and Method for Contact Measurement Circuit | |
| CN102263397B (en) | Protection circuit and method for electronic devices | |
| CN205545179U (en) | IGBT overflows detection circuitry and current foldback circuit | |
| CN104536609A (en) | Display panel with touch function and fault detection method | |
| CN103576043A (en) | Electric leakage detecting appratus | |
| CN104078919B (en) | Led lamp and its electronic circuit breaker | |
| CN108051719A (en) | Power tube test circuit and power tube test device | |
| CN110726876A (en) | Insulation resistance detection device | |
| CN108068729A (en) | Include the vehicle of the multiple analog switch monitors system with Simultaneous Switching status detection function | |
| CN205265251U (en) | A device for overvoltage protection in power supply line | |
| JP2014091495A (en) | Short-cut detection circuit | |
| JP2015527033A (en) | Power output stage and operation method thereof | |
| CN106324528A (en) | Variable load module | |
| EP3382895A1 (en) | Electronic device provided with secondary failure preventing circuit | |
| CN201025484Y (en) | Testing device for voltage sudden wave | |
| US9823295B2 (en) | Battery simulator | |
| CN103986124B (en) | DC voltage converter | |
| CN210742306U (en) | Short-circuit prevention makeup testing device | |
| CN103529374B (en) | Simple controlled silicon detection board | |
| CN106033884B (en) | DC power control system and circuit | |
| CN108271287A (en) | Protective circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |