CN205142027U - Direct current stationary flow driver - Google Patents
Direct current stationary flow driver Download PDFInfo
- Publication number
- CN205142027U CN205142027U CN201520939374.XU CN201520939374U CN205142027U CN 205142027 U CN205142027 U CN 205142027U CN 201520939374 U CN201520939374 U CN 201520939374U CN 205142027 U CN205142027 U CN 205142027U
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- CN
- China
- Prior art keywords
- rectifier bridge
- circuit part
- current sensor
- display screen
- fin
- 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.)
- Expired - Fee Related
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a direct current stationary flow driver belongs to stationary flow equipment technical field. The purpose provides a simple structure, uses reliably, and heat dispersion is good, possesses the direct current stationary flow driver of the reliable self preservation ability of protecting, including outer housing part and circuit part, outer housing part includes casing, fan, fin, display screen, and the fan is located the casing top, and the fin is located the casing side, and the display screen is located the casing openly, inside the circuit part is located the casing, the circuit part includes AC input, rectifier bridge, master control treater, current sensor, contactor, DC output, and AC input connects the rectifier bridge, and display screen, rectifier bridge and current sensor are connected respectively to the master control treater, and current sensor connects DC output, and the contactor is located between rectifier bridge and the DC output. It provides stable DC power supply to be suitable for relevant industries such as being electrolysis, electromagnetism, charging source.
Description
Technical field
The utility model discloses a kind of DC constant current driver, belong to current stabilization equipment technical field.
Background technology
The electronic installation of stable DC current and power supply can be provided to be called DC current stabilized power supply for load, it is generally by ac power supply, for electrolysis, electromagnetism, the relevant industries such as charge power supply, because instructions for use is high, higher requirement is had to the stability of DC current stabilized power supply, usually need to configure special DC constant current driver for this reason, when higher load is run, in DC constant current driver, to embody temperature tolerance because heating is comparatively large poor for the thyristor of rectifier bridge, usually easily damage, DC constant current driver self also may due to overcurrent in addition, overvoltage, overheated, problems such as short circuit and suffering damage, this problem is also difficult to effective solution.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is that to be to provide a kind of structure simple, use reliable, perfect heat-dissipating, possesses the DC constant current driver of reliable self-shield ability, comprise housing parts and circuit part, described housing parts comprises housing, fan, fin, display screen, fan is positioned at case top, fin is positioned at housing side, display location is in housing front, circuit part is positioned at enclosure interior, described circuit part comprises ac input end, rectifier bridge, main control processor, current sensor, contactor, DC output end, ac input end connects rectifier bridge, main control processor connects display screen respectively, rectifier bridge and current sensor, current sensor connects DC output end, contactor is between rectifier bridge and DC output end.
Further, described circuit part also comprises electrochemical capacitor, and described electrochemical capacitor is between rectifier bridge and DC output end.Also charging resistor is provided with between described rectifier bridge and electrochemical capacitor.
Further, described fin is made of copper.
Further, described current sensor is Hall element.
In sum; the beneficial effects of the utility model are: DC constant current driver of the present utility model; structure is simple; fan and fin and external environment form effective heat exchange; rapid heat dissipation; avoid thyristor due to generate heat excessive and damage problem; simultaneously; the element such as contactor, electrochemical capacitor, charging resistor of circuit part is that DC constant current driver provides reliable protection; avoid circuit to suffer damage due to problems such as overcurrent, overvoltage, overheated, short circuits; display screen is arranged at housing front, is convenient to observe and operation setting.Be well-suited for the relevant industries such as electrolysis, electromagnetism, charge power supply and galvanic current source is provided.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of DC constant current driver of the utility model;
Fig. 2 is the internal structure schematic diagram of Fig. 1;
Fig. 3 is the circuit part schematic diagram of a kind of DC constant current driver of the utility model.
In figure, 1, housing, 2, fan, 3, fin, 4, display screen, 5, ac input end, 6, rectifier bridge, 7, main control processor, 8, current sensor, 9, contactor, 10, DC output end, 11, electrochemical capacitor, 12, charging resistor.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described:
As Fig. 1, shown in Fig. 2, a kind of DC constant current driver, comprise housing parts and circuit part, housing parts comprises housing 1, fan 2, fin 3, display screen 4, fan 2 is positioned at housing 1 top, fin 3 is positioned at housing 1 side, display screen 4 is positioned at housing 1 front, it is inner that circuit part is positioned at housing 1, as shown in Figure 3, circuit part comprises ac input end 5, rectifier bridge 6, main control processor 7, current sensor 8, contactor 9, DC output end 10, ac input end 5 connects rectifier bridge 6, main control processor 7 connects display screen 4 respectively, rectifier bridge 6 and current sensor 8, current sensor 8 connects DC output end 10, contactor 9 is between rectifier bridge 6 and DC output end 10.
Housing 1 is for fixedly mounting each parts, fan 2 and carry out efficient air exchange between fin 3 and external environment, driver is lowered the temperature rapidly, protect thyristor and electric component, alternating current enters rectifier bridge 6 by ac input end 5 and carries out rectification, change direct current into, current value is also fed back to main control processor 7 by current sensor 8 sampled output current, main control processor 7 adoption rate in the controls, integration, the adjuster of differential three part composition, make the control mode that the deviation of value of feedback and instruction value reduces gradually, with the control of regulating the speed between nanosecond, make the ratio of loop voltage and resistance invariable, realizing predetermined electric current exports consistent with reality, finally play current stabilization object, display screen 4 uses for display and parameters, contactor 9 uses for inner power on/off.
As preferred embodiment, circuit part also comprises electrochemical capacitor 11, and electrochemical capacitor 11 is between rectifier bridge 6 and DC output end 10.Electrochemical capacitor 11 is for using the current filtering after rectification.
As preferred embodiment, between rectifier bridge 6 and electrochemical capacitor 11, be also provided with charging resistor 12.Charging resistor 12 is for protecting rectifier bridge 6 not damaged when just powering on.
As preferred embodiment, fin 3 is made of copper.The advantage of lower cost of copper, perfect heat-dissipating.
As preferred embodiment, current sensor 8 is Hall element.
For a person skilled in the art, according to above technical scheme and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the utility model claim.
Claims (5)
1. a DC constant current driver, comprise housing parts and circuit part, it is characterized in that, described housing parts comprises housing, fan, fin, display screen, fan is positioned at case top, fin is positioned at housing side, display location is in housing front, circuit part is positioned at enclosure interior, described circuit part comprises ac input end, rectifier bridge, main control processor, current sensor, contactor, DC output end, ac input end connects rectifier bridge, main control processor connects display screen respectively, rectifier bridge and current sensor, current sensor connects DC output end, contactor is between rectifier bridge and DC output end.
2. DC constant current driver according to claim 1, is characterized in that, described circuit part also comprises electrochemical capacitor, and described electrochemical capacitor is between rectifier bridge and DC output end.
3. DC constant current driver according to claim 2, is characterized in that, is also provided with charging resistor between described rectifier bridge and electrochemical capacitor.
4. DC constant current driver according to claim 1, is characterized in that, described current sensor is Hall element.
5. DC constant current driver according to claim 1, is characterized in that, described fin is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939374.XU CN205142027U (en) | 2015-11-21 | 2015-11-21 | Direct current stationary flow driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939374.XU CN205142027U (en) | 2015-11-21 | 2015-11-21 | Direct current stationary flow driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142027U true CN205142027U (en) | 2016-04-06 |
Family
ID=55627779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520939374.XU Expired - Fee Related CN205142027U (en) | 2015-11-21 | 2015-11-21 | Direct current stationary flow driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205142027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301006A (en) * | 2016-08-26 | 2017-01-04 | 清源科技（厦门）股份有限公司 | A kind of photovoltaic DC-to-AC converter and cooling system thereof |
-
2015
- 2015-11-21 CN CN201520939374.XU patent/CN205142027U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301006A (en) * | 2016-08-26 | 2017-01-04 | 清源科技（厦门）股份有限公司 | A kind of photovoltaic DC-to-AC converter and cooling system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20201121 |