CN209327545U - A kind of DC experiment power supply - Google Patents
A kind of DC experiment power supply Download PDFInfo
- Publication number
- CN209327545U CN209327545U CN201821890011.1U CN201821890011U CN209327545U CN 209327545 U CN209327545 U CN 209327545U CN 201821890011 U CN201821890011 U CN 201821890011U CN 209327545 U CN209327545 U CN 209327545U
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- power supply
- voltage
- fairing
- igbt
- output
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Abstract
The utility model discloses a kind of DC experiment power supplies, IGBT fairing, input rectifying filter, output rectification filter device, controller, voltage and current detecting device, relay, timer and direct current output socket including shell and setting inside the housing, the input rectifying filter is connected by IGBT fairing with output rectification filter device, the controller is connected with IGBT fairing, voltage and current detecting device, relay and timer respectively, and multiple direct current output sockets are connected with output rectification filter device.Through the above way, alternating voltage and electric current are converted into DC voltage and electric current by the utility model, suitable test voltage can be needed to adjust according to different standards, and voltage, electric current can be continuously adjusted, improve the safety and stability performance of experimental rig, it is easy to operate, reduce the harmonic pollution to external power grid；Power factor is improved, use cost is reduced.
Description
Technical field
The utility model relates to the field of power supply more particularly to a kind of DC experiment power supplies.
Background technique
Power technology is one important branch of modern power electronics technology, and wherein DC power supply device is electrical performance test room
With substation, electric substation's monitoring and one of the necessary equipment of operation control system, but most of power-supply devices are alternating current repoussage
Stream gained, and there is structure is complicated, rectification precision is low, pressure drop is big, at high cost, output voltage cannot continuously may be used for this power supply
It adjusts, it is big to harmonic pollution in electric power net, it is inconvenient to use.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of DC experiment power supply, by alternating voltage and electric current turn
It changes DC voltage and electric current into, and can need to adjust suitable test voltage according to different standards, for crucial DC load
The DC power supply of safety and stability is provided, such as the TT&C system at test data center；It is straight in low-voltage electrical apparatus reliability test system
Experiment power supply etc. is flowed, and voltage, electric current can be continuously adjusted, the safety and stability performance of experimental rig is improved, is grasped
Facilitate, reduces the harmonic pollution to external power grid；Power factor is improved, use cost is reduced.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of DC experiment
Power supply, IGBT fairing, input rectifying including shell, voltage and current adjusting knob and setting inside the housing filter
Device, output rectification filter device, controller, voltage and current detecting device, relay, timer and DC output interface, it is described
The setting of voltage and current adjusting knob be connected on the shell and with IGBT fairing, the input rectifying filter passes through
IGBT fairing is connected with output rectification filter device, and the controller is examined with IGBT fairing, voltage and current respectively
Survey device, relay are connected with timer, and multiple DC output interfaces are connected with output rectification filter device.
In one preferred embodiment of the utility model, be provided on the shell operation panel, power supply wiring and
The front of shell is arranged in heat release hole, the operation panel, and the heat release hole is separately positioned on the two sides of shell, described
Power supply wiring the lower part of shell is set and is connected with input rectifying filter.
In one preferred embodiment of the utility model, the input rectifying filter inputs 220V by power supply wiring
Alternating current.
In one preferred embodiment of the utility model, the voltage and current adjusting knob is arranged on operation panel,
Open-close on-off, DC power supply output plughole, voltmeter and ammeter are additionally provided on the operation panel.
In one preferred embodiment of the utility model, the voltage and current adjusting knob by IGBT fairing with
Controller is connected.
In one preferred embodiment of the utility model, the DC power supply output plughole respectively with DC output interface
It is connected.
In one preferred embodiment of the utility model, the quantity of the DC power supply output plughole is 3.
In one preferred embodiment of the utility model, the voltmeter, ammeter are filled with measure voltage & current respectively
It sets connected.
The beneficial effects of the utility model are: the DC experiment power supply of the utility model, alternating voltage and electric current are converted
It at DC voltage and electric current, and can need to adjust suitable test voltage according to different standards, be mentioned for crucial DC load
For the DC power supply of safety and stability, such as the TT&C system at test data center；Direct current in low-voltage electrical apparatus reliability test system
Power supply etc., and voltage, electric current can be adjusted, the safety and stability performance of experimental rig is improved, it is easy to operate, it reduces
To the harmonic wave interference pollution of external power grid, power factor of electric network is improved, reduces use cost.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the internal structure block diagram of a preferred embodiment of the utility model DC experiment power supply；
Fig. 2 is the shape assumption diagram of Fig. 1；
The label in accompanying drawing is: 1, shell, 2, operation panel, 3, power supply wiring, 4, heat release hole, 21, voltage and current adjusting
Knob, 22, open-close on-off, 23, DC power supply output plughole, 24, voltmeter, 25, ammeter.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, the utility model embodiment includes:
A kind of DC experiment power supply including shell 1, voltage and current adjusting knob 21 and is arranged in inside shell 1
IGBT fairing, input rectifying filter, output rectification filter device, controller, voltage and current detecting device, relay, meter
When device and DC output interface, the voltage and current adjusting knob 21 be arranged on shell 1 and with IGBT fairing phase
Connection, the input rectifying filter are connected by IGBT fairing with output rectification filter device, the controller
It is connected respectively with IGBT fairing, voltage and current detecting device, relay and timer, multiple direct current outputs connect
Mouth is connected with output rectification filter device.
As shown in Fig. 2, being provided with operation panel 2, power supply wiring 3 and heat release hole 4, the behaviour on the shell 1
Make the front that shell 1 is arranged in panel 2, the heat release hole 4 is separately positioned on the two sides of shell 1, the power supply wiring 3
The lower part of shell 1 is set and is connected with input rectifying filter.
Among the above, the input rectifying filter inputs the alternating current of 220V by power supply wiring.The exchange of 220V is logical
Crossing the rectification of IGBT fairing becomes direct current, while by the working condition of controller control IGBT fairing.
Further, the voltage and current adjusting knob 21 is arranged on operation panel 2, on the operation panel 2
It is additionally provided with open-close on-off 22, DC power supply output plughole 23, voltmeter 24 and ammeter 25.Wherein, the voltage and current
Adjusting knob 21 is connected by IGBT fairing with controller；The DC power supply output plughole 23 is defeated with direct current respectively
Outgoing interface is connected；The voltmeter 24 is connected with voltage and current detecting device respectively with ammeter 25.In the present embodiment,
The quantity of the DC power supply output plughole 23 is 3.
When power work state, the big of DC voltage and electric current can intuitively be checked by voltmeter 24 and ammeter 25
It is small, then the size of the test voltage electric current using the adjusting output of voltage and current adjusting knob 21, it can be according to different standard need
Adjust suitable test voltage electric current.Voltmeter 24 and ammeter 25 are connected with voltage and current detecting device respectively simultaneously,
Real-time monitoring can be carried out to experiment power supply.
In conclusion the DC experiment power supply of the utility model, alternating voltage and electric current are converted into DC voltage and electric current,
And can need to adjust suitable test voltage electric current according to different standards, the straight of safety and stability is provided for key DC load
Galvanic electricity source, such as the TT&C system at test data center；DC power supply etc. in low-voltage electrical apparatus reliability test system, and can be with
Voltage, electric current are adjusted, the safety and stability performance of experimental rig is improved, it is easy to operate, it reduces to the humorous of external power grid
Wave interference pollution improves power factor of electric network, reduces use cost.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of DC experiment power supply, which is characterized in that inside the housing including shell, voltage and current adjusting knob and setting
IGBT fairing, input rectifying filter, output rectification filter device, controller, voltage and current detecting device, relay,
Timer and DC output interface, the voltage and current adjusting knob setting are connected on the shell and with IGBT fairing
It connects, the input rectifying filter is connected by IGBT fairing with output rectification filter device, the controller point
It is not connected with IGBT fairing, voltage and current detecting device, relay and timer, multiple DC output interfaces
It is connected with output rectification filter device.
2. DC experiment power supply according to claim 1, which is characterized in that be provided on the shell operation panel,
The front of shell is arranged in power supply wiring and heat release hole, the operation panel, and the heat release hole is separately positioned on shell
Two sides, the power supply wiring is arranged in the lower part of shell and is connected with input rectifying filter.
3. DC experiment power supply according to claim 2, which is characterized in that the input rectifying filter passes through power supply
The alternating current of wiring input 220V.
4. DC experiment power supply according to claim 3, which is characterized in that the voltage and current adjusting knob setting exists
On operation panel, open-close on-off, DC power supply output plughole, voltmeter and ammeter are additionally provided on the operation panel.
5. DC experiment power supply according to claim 4, which is characterized in that the voltage and current adjusting knob passes through
IGBT fairing is connected with controller.
6. DC experiment power supply according to claim 4, which is characterized in that the DC power supply output plughole respectively with
DC output interface is connected.
7. DC experiment power supply according to claim 6, which is characterized in that the quantity of the DC power supply output plughole
It is 3.
8. DC experiment power supply according to claim 4, which is characterized in that the voltmeter, ammeter respectively with electricity
Piezoelectricity flow detection device is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890011.1U CN209327545U (en) | 2018-11-16 | 2018-11-16 | A kind of DC experiment power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890011.1U CN209327545U (en) | 2018-11-16 | 2018-11-16 | A kind of DC experiment power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327545U true CN209327545U (en) | 2019-08-30 |
Family
ID=67710489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821890011.1U Active CN209327545U (en) | 2018-11-16 | 2018-11-16 | A kind of DC experiment power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327545U (en) |
-
2018
- 2018-11-16 CN CN201821890011.1U patent/CN209327545U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000, No. 3, Wanfeng Road, Lake Industrial Park, Hope Town, Suzhou, Jiangsu, Xiangcheng District Patentee after: Shangke intelligent electric (Suzhou) Co., Ltd Address before: 215000, No. 3, Wanfeng Road, Lake Industrial Park, Hope Town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU SEARI ELECTRICAL EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |