CN201576009U - Alternating-current/direct-current load box - Google Patents
Alternating-current/direct-current load box Download PDFInfo
- Publication number
- CN201576009U CN201576009U CN 200920294305 CN200920294305U CN201576009U CN 201576009 U CN201576009 U CN 201576009U CN 200920294305 CN200920294305 CN 200920294305 CN 200920294305 U CN200920294305 U CN 200920294305U CN 201576009 U CN201576009 U CN 201576009U
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- circuit
- load
- direct current
- load box
- alternating current
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Abstract
The utility model discloses an alternating-current/direct-current (AC/DC) load box, which an indicating circuit, an AC/DC switching circuit, a load regulation circuit, as well as an ammeter and a voltmeter provided on the load regulation circuit, wherein the status switch press-button, the regulating switch of the load regulation circuit, the display part of the voltmeter/ammeter and the indicating lamp on the indicating circuit are all provided on a same panel. The utility model has beneficial technology effect that it can switch between the AC load and DC load, the size of the provided load is tunable from 0 to 60A with 0.5 stage modulation.
Description
Technical field
The utility model relates to a kind of commissioning device, relates in particular to a kind of alternating current-direct current load box.
Background technology
The manufacturer of power equipment needs equipment is debugged after device fabrication is good, and the applying unit of power equipment needs equipment is carried out field adjustable, examination behind the equipment of installing, and this just needs relevant detection equipment to come power equipment is debugged.Just need provide applied load during debugging to equipment, existing load generator, parameter is single, and device is numerous, expends time in during debugging and operates inconvenience.
The utility model content
The utility model proposes a kind of alternating current-direct current load box, it is made up of indicating circuit, AC/DC commutation circuit, load regulation circuit and the reometer, the voltage table that are arranged on the load regulation circuit, and the state switching push button of AC/DC commutation circuit, the by-pass cock of load regulation circuit, the display part of voltage table/reometer, the pilot lamp on the indicating circuit all are arranged on the same panel.
The AC/DC commutation circuit is made up of two-way locking control circuit, and two-way locking control circuit is the input of locking direct current when exchanging input, and locking exchanges input during the direct current input.
Also being provided with axial flow blower in the equipment is the equipment cooling, and the Illuminated Switch of axial flow blower is arranged on the panel.
The casing below of alternating current-direct current load box is provided with universal wheel.
The load regulation circuit decides to hinder pipe by 18 and 18 air switches are formed, and each fixed resistance is managed respectively with after corresponding air switch is connected and is connected in parallel, and 18 air switches are arranged on the panel.
18 fixed resistances the load that is provided are provided are respectively: 0.5A, 0.5A, 1A, 1A, 1A, 2A, 2A, 2A, 4A, 4A, 4A, 4A, 5A, 5A, 5A, 5A, 10A, 10A.
Useful technique effect of the present utility model is: can switch between AC load and DC load easily, the load size 0～60A that provides is adjustable, can 0.5 grade of adjusting.
Description of drawings
Fig. 1, AC/DC commutation circuit synoptic diagram;
Fig. 2, indicating circuit exemplary plot;
The load regulation part exemplary plot of Fig. 3, load regulation circuit;
Fig. 4, panel synoptic diagram of the present utility model.
Embodiment
The utility model structure is made up of indicating circuit, AC/DC commutation circuit, load regulation circuit and the reometer, the voltage table that are arranged on the load regulation circuit, and the state switching push button of AC/DC commutation circuit, the by-pass cock of load regulation circuit, the display part of voltage table/reometer, the pilot lamp on the indicating circuit all are arranged on the same panel.
Referring to Fig. 2, the pilot lamp on the indicating circuit is indicated AC load to move/stop with DC load respectively and is moved/stop.
The AC/DC commutation circuit is made up of two-way locking control circuit, and two-way locking control circuit is the input of locking direct current when exchanging input, and locking exchanges input during the direct current input; Referring to Fig. 1, a kind of example of two-way locking control circuit, this circuit is made up of A.C. contactor JAC1 and A.C. contactor JDC and their coil, main contact and auxiliary contact, SB1 and SB2 are respectively the startup that exchanges input, stop button, SB3 and SB4 are respectively startup, the stop button of direct current input, and when SB1 is pressed, SB1 finishes self-locking and SB3 place circuit is carried out locking, when SB3 is pressed, SB3 finishes self-locking and SB1 place circuit is carried out locking.
Also be provided with the resistance device that insulate and check for direct current microcomputer insulating monitoring device in the equipment.Also being provided with axial flow blower M in the equipment is the equipment cooling, and the switch of axial flow blower M is arranged on the panel.The casing below of alternating current-direct current load box is provided with universal wheel.
Referring to Fig. 3, the load regulation circuit is made up of 18 fixed resistance pipe R and 18 air switch K, and each fixed resistance pipe R is connected in parallel respectively with after corresponding air switch K connects again, and 18 air switch K are arranged on the panel.The load that R provided of 18 fixed resistance pipes is respectively: 0.5A, 0.5A, 1A, 1A, 1A, 2A, 2A, 2A, 4A, 4A, 4A, 4A, 5A, 5A, 5A, 5A, 10A, 10A.Also be provided with reometer A1, A2, A.C. voltmeter, D.C. voltmeter on the load regulation circuit, their display part all is arranged on the load box panel, by the contact control of A.C. contactor JAC1 and JDC, can measure alternating voltage, electric current and DC voltage, electric current respectively; FU2 is a fuse.
Referring to Fig. 4, be panel of the present utility model shown in the figure.
The alternating current-direct current load box can use separately, also can be used in combination with the three phase voltage regulating platform, can do technical indicator test to DC power supply panel, communication power supply device etc., as AC-input voltage at 380V ± 10% scope build-in test precision of voltage regulation, precision of steady current, ripple factor etc.
Claims (6)
1. alternating current-direct current load box, it is made up of indicating circuit, AC/DC commutation circuit, load regulation circuit and the reometer, the voltage table that are arranged on the load regulation circuit, and it is characterized in that: the state switching push button of AC/DC commutation circuit, the by-pass cock of load regulation circuit, the display part of voltage table/reometer, the pilot lamp on the indicating circuit all are arranged on the same panel.
2. a kind of alternating current-direct current load box according to claim 1 is characterized in that: the AC/DC commutation circuit is made up of two-way locking control circuit, and two-way locking control circuit is the input of locking direct current when exchanging input, and locking exchanges input during the direct current input.
3. a kind of alternating current-direct current load box according to claim 1 is characterized in that: also be provided with axial flow blower (M) in the equipment and be the equipment cooling, the switch of axial flow blower (M) is arranged on the panel.
4. a kind of alternating current-direct current load box according to claim 1 is characterized in that: the casing below of alternating current-direct current load box is provided with universal wheel.
5. a kind of alternating current-direct current load box according to claim 1, it is characterized in that: the load regulation circuit is made up of 18 fixed resistance pipes (R) and 18 air switches (K), each fixed resistance pipe (R) is connected in parallel respectively with after corresponding air switch (K) is connected again, and 18 air switches (K) are arranged on the panel.
6. a kind of alternating current-direct current load box according to claim 5 is characterized in that: the load that 18 fixed resistance pipes (R) are provided is respectively: 0.5A, 0.5A, 1A, 1A, 1A, 2A, 2A, 2A, 4A, 4A, 4A, 4A, 5A, 5A, 5A, 5A, 10A, 10A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920294305 CN201576009U (en) | 2009-12-31 | 2009-12-31 | Alternating-current/direct-current load box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920294305 CN201576009U (en) | 2009-12-31 | 2009-12-31 | Alternating-current/direct-current load box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576009U true CN201576009U (en) | 2010-09-08 |
Family
ID=42695885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920294305 Expired - Lifetime CN201576009U (en) | 2009-12-31 | 2009-12-31 | Alternating-current/direct-current load box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576009U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401847A (en) * | 2010-09-14 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Load device for testing |
| CN102967777A (en) * | 2012-10-15 | 2013-03-13 | 江苏省如高高压电器有限公司 | Load testing power supply control system of motor-driven mechanism for disconnecting switch |
| CN102981128A (en) * | 2012-11-26 | 2013-03-20 | 广州广电计量检测股份有限公司 | Electromagnetic compatibility passive control type adjustable load circuit and box applying circuit |
| CN104237788A (en) * | 2014-10-10 | 2014-12-24 | 南车株洲电机有限公司 | High-speed permanent magnet traction motor temperature rise testing method and resistor cabinet |
| CN108680804A (en) * | 2018-02-01 | 2018-10-19 | 哈尔滨理工大学 | AC and DC resistance load system based on bus marco and control method |
| 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 |
| CN111679113A (en) * | 2020-06-04 | 2020-09-18 | 贵州电网有限责任公司 | Auxiliary device for accessing secondary equipment to bus voltage without power failure |
-
2009
- 2009-12-31 CN CN 200920294305 patent/CN201576009U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401847A (en) * | 2010-09-14 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Load device for testing |
| CN102967777A (en) * | 2012-10-15 | 2013-03-13 | 江苏省如高高压电器有限公司 | Load testing power supply control system of motor-driven mechanism for disconnecting switch |
| CN102967777B (en) * | 2012-10-15 | 2015-09-02 | 江苏省如高高压电器有限公司 | The load testing electric power supply control system of disconnector motor drive mechanism |
| CN102981128A (en) * | 2012-11-26 | 2013-03-20 | 广州广电计量检测股份有限公司 | Electromagnetic compatibility passive control type adjustable load circuit and box applying circuit |
| CN102981128B (en) * | 2012-11-26 | 2015-08-12 | 广州广电计量检测股份有限公司 | Electromagnetic compatibility Passive Shape Control formula adjustable load circuits |
| CN104237788A (en) * | 2014-10-10 | 2014-12-24 | 南车株洲电机有限公司 | High-speed permanent magnet traction motor temperature rise testing method and resistor cabinet |
| CN108680804A (en) * | 2018-02-01 | 2018-10-19 | 哈尔滨理工大学 | AC and DC resistance load system based on bus marco and control method |
| 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 |
| CN111679113A (en) * | 2020-06-04 | 2020-09-18 | 贵州电网有限责任公司 | Auxiliary device for accessing secondary equipment to bus voltage without power failure |
| CN111679113B (en) * | 2020-06-04 | 2022-08-19 | 贵州电网有限责任公司 | Auxiliary device for accessing secondary equipment to bus voltage without power failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |