CN109616275A - The system and method for level control DC electromagnet - Google Patents
The system and method for level control DC electromagnet Download PDFInfo
- Publication number
- CN109616275A CN109616275A CN201811630732.3A CN201811630732A CN109616275A CN 109616275 A CN109616275 A CN 109616275A CN 201811630732 A CN201811630732 A CN 201811630732A CN 109616275 A CN109616275 A CN 109616275A
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- CN
- China
- Prior art keywords
- electromagnet
- signal
- control signal
- nmos transistor
- control
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
Abstract
The present invention discloses a kind of system and method for level control DC electromagnet, the system of level control DC electromagnet, including signal trigger device, NMOS transistor and electromagnet, signal trigger device is electrically connected with NMOS transistor, and NMOS transistor is electrically connected with electromagnet；Signal trigger device is high level signal or low level signal for issuing control signal, control signal；NMOS transistor carrys out the open and close of isolation drive electromagnet for the low and high level variation of acquisition control signal, when detecting that control signal is low level signal, isolation drive electromagnet is opened, and when detecting that control signal is high level signal, isolation drive electromagnet is closed.Using no mechanical contact-type element isolation drive electromagnet, high frequency is solved or is used for a long time have contact element drive electromagnet bring equipment work hidden danger；Using low level driving method, the harmonic wave interference of environment and line arrangement is effectively avoided, guarantees the normal work of electromagnet.
Description
Technical field
The present invention relates to solenoid actuated Solenoid Valve Technology fields, more particularly to a kind of level control DC electromagnet
System and method.
Background technique
In current hydraulic machinery industry, cylinder action is generally completed by solenoid actuated solenoid valve, and electromagnet is general
It is dragged by intermediate relay, and due to generating surge voltage when electromagnet is disconnected and being closed, so that intermediate relay generates spark
Simultaneously there is service life in intermediate relay in itself, and intermediate relay contact is easily damaged or poor contact situation generates,
Then make electromagnet fail normally to be turned on or off, cause the movement of equipment abnormal or even damage or personnel
Injury；DC electromagnet is easy the interference by high current simultaneously, and product second harmonic voltage influences service life of equipment.
Summary of the invention
The present invention is in view of the problems of the existing technology and insufficient, provide a kind of level control DC electromagnet system and
Method.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of system of level control DC electromagnet, it is characterized in that comprising signal trigger device,
NMOS transistor and electromagnet, the signal trigger device are electrically connected with NMOS transistor, the NMOS transistor and electromagnet
Electrical connection；
The signal trigger device is that high level signal or low level are believed for issuing control signal, the control signal
Number；
The NMOS transistor for acquisition control signal low and high level variation come isolation drive electromagnet unlatching with
It closes, when detecting that control signal is low level signal, isolation drive electromagnet is opened, and is detecting control signal for high electricity
Drive electromagnet is isolated when ordinary mail to close.
Preferably, the NMOS transistor is high-power NMOS transistor.
Preferably, the signal trigger device includes button or microprocessor.
The present invention also provides a kind of methods of level control DC electromagnet, it is characterized in that, utilize above-mentioned system
It realizes, the described method comprises the following steps:
The signal trigger device issues control signal, and the control signal is high level signal or low level signal；
The low and high level variation of the NMOS transistor acquisition control signal carrys out the open and close of isolation drive electromagnet,
If it is detected that control signal is that low level signal then open by isolation drive electromagnet, if it is detected that control signal is high level signal
Then isolation drive electromagnet is closed.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
1, using no mechanical contact-type element isolation drive electromagnet, high frequency is solved or is used for a long time have contact element drive
Dynamic electromagnet bring equipment work hidden danger；
2, using low level driving method, the harmonic wave interference of environment and line arrangement is effectively avoided, guarantees electromagnet
It works normally.
Detailed description of the invention
Fig. 1 is the structural block diagram that the level of present pre-ferred embodiments controls the system of DC electromagnet.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment provides a kind of systems of level control DC electromagnet comprising signal trigger device
1, NMOS transistor 2 and electromagnet 3, the signal trigger device 1 are electrically connected with NMOS transistor 2, the NMOS transistor 2 with
Electromagnet 3 is electrically connected, and the NMOS transistor is high-power NMOS transistor.
The signal trigger device 1 is that high level signal or low level are believed for issuing control signal, the control signal
Number；The signal trigger device includes button or microprocessor, and button includes virtual push button.
The NMOS transistor 2 carrys out the unlatching of isolation drive electromagnet 3 for the low and high level variation of acquisition control signal
With closing, when detecting that control signal is low level signal, isolation drive electromagnet 3 is opened, and is detecting control signal for height
Drive electromagnet 3 is isolated when level signal to close.
The present embodiment also provides a kind of method of level control DC electromagnet, is realized using above-mentioned system, described
Method the following steps are included:
The signal trigger device issues control signal, and the control signal is high level signal or low level signal；Institute
The low and high level variation for stating NMOS transistor acquisition control signal carrys out the open and close of isolation drive electromagnet, if it is detected that control
Signal processed is that low level signal then open by isolation drive electromagnet, if it is detected that control signal is high level signal then isolation drive
Electromagnet is closed.
To sum up, the present invention solves high frequency or is used for a long time to have using no mechanical contact-type element isolation drive electromagnet
Contact element drive electromagnet bring equipment work hidden danger；Using low level driving method, environment and route are effectively avoided
The harmonic wave interference of arrangement guarantees the normal work of electromagnet.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (4)
1. a kind of system of level control DC electromagnet, which is characterized in that it include signal trigger device, NMOS transistor and
Electromagnet, the signal trigger device are electrically connected with NMOS transistor, and the NMOS transistor is electrically connected with electromagnet；
The signal trigger device is high level signal or low level signal for issuing control signal, the control signal；
The NMOS transistor carrys out the open and close of isolation drive electromagnet for the low and high level variation of acquisition control signal,
When detecting that control signal is low level signal, isolation drive electromagnet is opened, and is detecting that control signal is high level signal
When isolation drive electromagnet close.
2. the system of level control DC electromagnet as described in claim 1, which is characterized in that the NMOS transistor is big
Power nmos transistor.
3. the system of level control DC electromagnet as described in claim 1, which is characterized in that the signal trigger device packet
Include button or microprocessor.
4. a kind of method of level control DC electromagnet, which is characterized in that it is using such as any one of claim 1-3 institute
The system stated is realized, the described method comprises the following steps:
The signal trigger device issues control signal, and the control signal is high level signal or low level signal；
The low and high level variation of the NMOS transistor acquisition control signal carrys out the open and close of isolation drive electromagnet, if inspection
Measure control signal be low level signal then isolation drive electromagnet open, if it is detected that control signal be high level signal then every
It is closed from drive electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630732.3A CN109616275A (en) | 2018-12-29 | 2018-12-29 | The system and method for level control DC electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630732.3A CN109616275A (en) | 2018-12-29 | 2018-12-29 | The system and method for level control DC electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109616275A true CN109616275A (en) | 2019-04-12 |
Family
ID=66011168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811630732.3A Pending CN109616275A (en) | 2018-12-29 | 2018-12-29 | The system and method for level control DC electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109616275A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202708266U (en) * | 2012-07-03 | 2013-01-30 | 深圳市元征科技股份有限公司 | Direct current electromagnetic valve control application circuit |
| CN105202250A (en) * | 2015-10-12 | 2015-12-30 | 辽东学院 | Energy-saving drive device for low-voltage electromagnetic type electric appliance |
| CN206036345U (en) * | 2016-07-22 | 2017-03-22 | 重庆渝捷消防设备有限责任公司 | Electromagnetic valve drive circuit |
| CN108223885A (en) * | 2016-12-14 | 2018-06-29 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of isolated form back-pressure preventing driving circuit for electromagnetic valve |
-
2018
- 2018-12-29 CN CN201811630732.3A patent/CN109616275A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202708266U (en) * | 2012-07-03 | 2013-01-30 | 深圳市元征科技股份有限公司 | Direct current electromagnetic valve control application circuit |
| CN105202250A (en) * | 2015-10-12 | 2015-12-30 | 辽东学院 | Energy-saving drive device for low-voltage electromagnetic type electric appliance |
| CN206036345U (en) * | 2016-07-22 | 2017-03-22 | 重庆渝捷消防设备有限责任公司 | Electromagnetic valve drive circuit |
| CN108223885A (en) * | 2016-12-14 | 2018-06-29 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of isolated form back-pressure preventing driving circuit for electromagnetic valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |