CN203445794U - Electric hydraulic control system-based novel power supply apparatus - Google Patents
Electric hydraulic control system-based novel power supply apparatus Download PDFInfo
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- CN203445794U CN203445794U CN201320489639.1U CN201320489639U CN203445794U CN 203445794 U CN203445794 U CN 203445794U CN 201320489639 U CN201320489639 U CN 201320489639U CN 203445794 U CN203445794 U CN 203445794U
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Abstract
The utility model relates to an electric hydraulic control system-based novel power supply apparatus. The technical characteristics are that the apparatus comprises a power supply change-over unit, a power supply boosting unit, a power supply converting unit, a signal isolating unit, a state indicating unit, and two power supply output interfaces. The power supply change-over unit, the power supply boosting unit, and the power supply converting unit are sequentially connected. A power supply output terminal of the power supply change-over unit is connected with a next power supply apparatus. The power supply converting unit outputs two power supplies which are respectively connected with the two power supply output interfaces. The power supply converting unit is also connected with the signal isolating unit. The signal isolating unit is connected with the two power supply output interfaces respectively through system communication lines. The two power supply output interfaces are respectively connected to two support controllers for supplying power to the two support controllers. The power supply apparatus is reasonable in design. Single-set double-path intrinsic-safety power supply output and multiple power supply apparatus cascade connection functions are realized. The utilization rate of the power supply apparatus is increased. The usage of peripheral equipment is reduced. The failure occurrence rate is lowered.
Description
Technical field
The utility model belongs to electrohydraulic control technology field, especially a kind of novel power supply device based on electrohydraulic control system.
Background technology
In the fields such as mine, chemical industry, due to the particularity of operational environment, require the electric equipment in this kind of environment all must possess explosion-proof.Flameproof and intrinsically safe power supply's device that electrohydraulic control system is used is powered, and at present, this supply unit generally adopts single group single service mode, and the limited amount of every pack support controller has increased the use amount of supply unit; Between two adjacent groups bracket controller, also need a supporting isolating coupler just can complete power supply and communicate by letter simultaneously, be not easy to the connection of system.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of reasonable in design, utilance is high and the system of being convenient to connects novel power supply device based on electrohydraulic control system is provided.
The utility model solves existing technical problem and takes following technical scheme to realize:
A kind of novel power supply device based on electrohydraulic control system, comprise power supply transfer unit, power supply boosting unit, power conversion unit, signal isolated location, state indication unit and two groups of power output interfaces, power supply transfer unit, power supply boosting unit, power conversion unit is connected successively, the power output end of this electric power switching device is connected with next supply unit, described power conversion unit is exported two groups of power supplys and is connected to respectively two groups of power output interfaces, this power conversion unit is also connected with signal isolated location by two-way power supply output line respectively, this signal isolated location is connected with two groups of power output interfaces respectively by system communications line, it is its power supply that two groups of power output interfaces are connected to respectively on two pack support controllers.
And described signal isolated location is also connected with state indicating device for the operating state demonstration of supply unit.
Advantage of the present utility model and good effect are:
1, this supply unit adopts the output of single group two-way intrinsic safety electric source, promotes the quantity of every group of powered stent controller, has reduced the use amount of supply unit.
2, this supply unit adopts signal isolated location, has reduced the use amount of isolating coupler in system, has solved the signal electrical isolation between different support controller group, simplifies assembly technology, only needs two cables, can complete between two pack supports power supply and communicate by letter.
3, the utility model is reasonable in design, can provide intrinsic safety electric source and system data communication photoelectricity isolation features for hydraulic bracket control system, completed the electrical isolation between two groups of out-put supplies, met the automatic control function demand of mine hydraulic bracket, improved the utilance of supply unit, reduce the use of ancillary equipment, reduced rate of breakdown.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is further described.
A kind of novel power supply device based on electrohydraulic control system, as shown in Figure 1, comprise power supply transfer unit, power supply boosting unit, power conversion unit, signal isolated location, state indication unit and two groups of power output interfaces, power supply transfer unit, power supply boosting unit, power conversion unit is connected successively, the power output end of this electric power switching device is connected with next supply unit simultaneously, described power conversion unit is exported two groups of power supplys and is connected to respectively two groups of power output interfaces, simultaneously, power conversion unit is also connected with signal isolated location by two-way power supply output line respectively, this signal isolated location is connected with two groups of power output interfaces respectively by system communications line, it is its power supply that two groups of power output interfaces are connected to respectively on two pack support controllers, simultaneously, signal isolated location is also connected with state indicating device for the operating state demonstration of supply unit.Below unit is described respectively:
Power supply transfer power supply is connected with power supply input, realizes the input/output function of the alternating current of a same electric pressure in road, and its output is connected with next supply unit, realizes the cascade function of many supply units.
Power supply boosting unit is used for promoting input voltage provides specified input voltage for power conversion unit, improvement is due to line voltage and voltage drop problem along the line, solve line voltage along the line in lower length of prescribing a time limit apart from problem of pressure drop, make whole piece go up each power conversion unit along the line and obtain specified input voltage, make supply unit conversion efficiency in optimum state.
Power conversion unit adopts the single group of mode that supplies power with double circuit; every group of output A/B two-way intrinsic safety electric source powered to bracket controller; the relative single service of load capacity promotes one times; the conversion and the single group two-way intrinsically safe power supply output function that have realized power of alterating and direct current, have two level power supply output protections.
Signal isolated location only needs two cables (system communications line) to carry out electrical isolation to the signal of communication between two pack supports, realizes the electrical isolation function of system communication.
State indication unit adopts light-emitting diode to carry out state demonstration, realizes the lamplight pointing function of Liao Ge road power work state and isolated location communications status.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every other execution modes that drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope that the utility model is protected equally.
Claims (2)
1. the novel power supply device based on electrohydraulic control system, it is characterized in that: comprise power supply transfer unit, power supply boosting unit, power conversion unit, signal isolated location, state indication unit and two groups of power output interfaces, power supply transfer unit, power supply boosting unit, power conversion unit is connected successively, the power output end of this power supply transfer unit is connected with next supply unit, described power conversion unit is exported two groups of power supplys and is connected to respectively two groups of power output interfaces, this power conversion unit is also connected with signal isolated location by two-way power supply output line respectively, this signal isolated location is connected with two groups of power output interfaces respectively by system communications line, it is its power supply that two groups of power output interfaces are connected to respectively on two pack support controllers.
2. the novel power supply device based on electrohydraulic control system according to claim 1, is characterized in that: the operating state that described signal isolated location is also connected with state indicating device for supply unit shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489639.1U CN203445794U (en) | 2013-08-12 | 2013-08-12 | Electric hydraulic control system-based novel power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489639.1U CN203445794U (en) | 2013-08-12 | 2013-08-12 | Electric hydraulic control system-based novel power supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445794U true CN203445794U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320489639.1U Withdrawn - After Issue CN203445794U (en) | 2013-08-12 | 2013-08-12 | Electric hydraulic control system-based novel power supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427668A (en) * | 2013-08-12 | 2013-12-04 | 天津华宁电子有限公司 | Power supply device based on electro-hydraulic control system |
-
2013
- 2013-08-12 CN CN201320489639.1U patent/CN203445794U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427668A (en) * | 2013-08-12 | 2013-12-04 | 天津华宁电子有限公司 | Power supply device based on electro-hydraulic control system |
| CN103427668B (en) * | 2013-08-12 | 2016-06-01 | 天津华宁电子有限公司 | A kind of supply unit based on electro-hydraulic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |