CN201982777U - Simple temperature reduction device for alternate current electromagnetic valve - Google Patents
Simple temperature reduction device for alternate current electromagnetic valve Download PDFInfo
- Publication number
- CN201982777U CN201982777U CN2011200849763U CN201120084976U CN201982777U CN 201982777 U CN201982777 U CN 201982777U CN 2011200849763 U CN2011200849763 U CN 2011200849763U CN 201120084976 U CN201120084976 U CN 201120084976U CN 201982777 U CN201982777 U CN 201982777U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic valve
- electromagnetic coil
- rectifier
- power supply
- alternate current
- 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
Links
Images
Abstract
The utility model discloses a simple temperature reduction device for an alternate current electromagnetic valve, which comprises an electromagnetic coil of the electromagnetic valve, a shell and a circuit board. The circuit board is arranged in the shell. The simple temperature reduction device is characterized in that a terminal of the electromagnetic coil is connected with an AC-DC (alternate current to direct current) rectifier; the rectifier is arranged on the circuit board; both terminals of the rectifier are connected with a connector of a 220V alternate current power supply; after the 220V alternate current power supply is converted into a direct current power supply, the electromagnetic coil is input into the direct current power supply and then a movable iron core of the electromagnetic valve is started by the electromagnetic coil, so that the loss generated when a magnetic core of the electromagnetic coil is magnetized repeatedly is avoided, and thus, heat is avoided being generated. The simple temperature reduction device for the alternate current electromagnetic valve not only can be used for effectively avoiding operation temperature rising of the alternate current electromagnetic valve, but also has a simple structure and cannot ensure the volume and the production cost to be increased.
Description
Technical field
The utility model relates to a kind of accessory of alternating current electromagnetic valve, specifically a kind of simple and easy cooler of alternating current electromagnetic valve that can make alternating current electromagnetic valve the temperature remains within the normal range, not generate heat with long operational time.
Background technique
Alternating current electromagnetic valve is the industry equipment with Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjusting medium in the industrial control system.The purposes of alternating current electromagnetic valve is very extensive, can use in different fields.Like this, alternating current electromagnetic valve can cooperate different circuit to realize the control of expecting, and the precision and the flexibility of control can both guarantee.Alternating current electromagnetic valve has a variety of, and same alternating current electromagnetic valve can be used on the different effect of performance in the different control system, and the most frequently used is one-way valve, safety valve, position control valve, speed-regulating valve etc.Alternating current electromagnetic valve generally comprises and is arranged in the valve shell, the magnetic force lower slider with the moving iron core of closure or openness valve path, attract and stop that static iron core that described moving iron core slides and the electromagnetic coil that is arranged in the valve shell constitute, and control mechanical motion by control current of electromagnet break-make.But in application, alternating current electromagnetic valve can produce certain heat, and this heating can influence working life and control accuracy, therefore, must cool off alternating current electromagnetic valve.Common cooling means is to increase radiating fin or blowing fan is installed, and this has just increased cost of production, and complex structure, has increased the volume of valve body.As everyone knows, the principle of alternating current electromagnetic valve heating is: electromagnetic coil directly inserts in the 220V ac power supply, apply the 220V/50Hz sinusoidal voltage, the electric current that the magnetic core of electromagnetic coil was changed by the cycle replaces forward and reverse magnetizing, magnetic core is after each half-wave magnetizes, all there is remanent magnetism, after back one half-wave magnetizes to magnetic core, when next another half-wave oppositely magnetizes, the energy that will consume quite a few dials anti-magnetic core remanent magnetism for just, magnetic core is forward and reverse so repeatedly to magnetize, and the loss that magnetic hysteresis and eddy current produce just major part is converted into heat, causes the alternating current electromagnetic valve heating.Obviously, change direct current into, then can overcome the heating phenomenon of magnetic core, also just avoided the problem of alternating current electromagnetic valve operation heating naturally if will enter the Ac of electromagnetic coil.Through retrieval, have not yet to see without the report that radiating fin or fan make the alternating current electromagnetic valve cooling is installed.
Summary of the invention
The purpose of this utility model is to provide a kind of and can avoids the operation of alternating current electromagnetic valve to heat up effectively, and simple in structure, do not increase volume and cost of production, make the simple and easy cooler of alternating current electromagnetic valve of alternating current electromagnetic valve cooling without radiating fin or fan are installed.
In order to reach above purpose, the technological scheme that the utility model adopted is: the simple and easy cooler of this alternating current electromagnetic valve, the electromagnetic coil that comprises solenoid valve, shell and circuit board, circuit board is installed in the enclosure, it is characterized in that: the terminal of described electromagnetic coil connect the rectifier of going up AC-DC, rectifier is installed on the circuit board, two terminal of rectifier connect 220V ac power supply wiring base, after the 220V ac power supply changes DC electrical source into by rectifier, import electromagnetic coil again, electromagnetic coil is restarted the moving iron core of solenoid valve, thereby has avoided the magnetic core of electromagnetic coil to magnetize repeatedly and the loss that brings, and then avoids producing heat.
The utility model is also implemented by following measure: described rectifier, constitute by starting current-limiting resistance R1, current limiting capacitance C1, discharge resistance R2 and sustained diode 1, after starting current-limiting resistance R1 and current limiting capacitance C1 series connection, a termination of a wiring termination electromagnetic coil, another terminal L connects 220V ac power supply wiring base, discharge resistance R2 in parallel connection on the current limiting capacitance C1, directly connecting sustained diode 1 between two terminal of electromagnetic coil, another terminal N of electromagnetic coil connects 220V ac power supply wiring base.
Described startup current-limiting resistance R1 selects fixed carbon resister for use, and specification is 22R/2W, is used to prevent that the powered on moment inrush current from damaging sustained diode 1.
Described current limiting capacitance C1 adopts MKP electric capacity, and specification is 474V(MKP), more than the withstand voltage 400V, capacitance is 0.47-0.56uF.
Described discharge resistance R2 selects fixed carbon resister for use, and specification is 220K/0.5W.
The beneficial effects of the utility model are: with compare for the employed cooling device of alternating current electromagnetic valve at present, can not only avoid the operation of alternating current electromagnetic valve to heat up effectively, and simple in structure, do not increase volume and cost of production.
Description of drawings
Fig. 1 analyses and observe enlarged diagram for structure of the present utility model office.
Fig. 2 is a circuit theory schematic representation of the present utility model.
Embodiment
Make the utility model with reference to Fig. 1, Fig. 2.The simple and easy cooler of this alternating current electromagnetic valve, the electromagnetic coil 1 that comprises solenoid valve, shell 2 and circuit board 5, circuit board 5 is installed in the shell 2, it is characterized in that: the terminal of described electromagnetic coil 1 connect the rectifier 3 of going up AC-DC, rectifier 3 is installed on the circuit board 5, two terminal of rectifier 3 connect 220V ac power supply wiring base 4, after the 220V ac power supply changes DC electrical source into by rectifier 3, import electromagnetic coil 1 again, electromagnetic coil 1 is restarted the moving iron core of solenoid valve, the loss that brings thereby the magnetic core of having avoided electromagnetic coil 1 magnetizes repeatedly, and then avoid producing heat.
Change as of the present utility model, described rectifier 3, constitute by starting current-limiting resistance R1, current limiting capacitance C1, discharge resistance R2 and sustained diode 1, after starting current-limiting resistance R1 and current limiting capacitance C1 series connection, a termination of a wiring termination electromagnetic coil 1, another terminal L connects 220V ac power supply wiring base 4, discharge resistance R2 in parallel connection on the current limiting capacitance C1, directly connecting sustained diode 1 between two terminal of electromagnetic coil 1, another terminal N of electromagnetic coil 1 connects 220V ac power supply wiring base 4.
Described startup current-limiting resistance R1 selects fixed carbon resister for use, and specification is 22R/2W, is used to prevent that the powered on moment inrush current from damaging sustained diode 1.
Described current limiting capacitance C1 adopts MKP electric capacity, and specification is 474V(MKP), more than the withstand voltage 400V, capacitance is 0.47-0.56uF; Current limiting capacitance C1 and described sustained diode 1 cooperate, interchange is become pulse direct current, make the AC electromagnetic coil 1(SV1 that plugs at circuit) be operated in that direct current starts, the direct current hold mode, sustained diode 1 is stored in alternating current electromagnetic valve 1(SV1 for exchanging between positive half period) energy the afterflow passage is provided.Alternating current electromagnetic valve 1(SV1 when positive half cycle pulsating wave descends) produce induction electromotive force be last negative down just, alternating current electromagnetic valve 1(SV1) between negative half-cycle, still have electric current to pass through, sustained diode 1 provides discharge and reverse charging passage for current limliting capacitor C 1 simultaneously.
Described discharge resistance R2 selects fixed carbon resister for use, and specification is 220K/0.5W, and the stored electric charge of current limiting capacitance C1 is used for releasing after down circuitry.
Claims (2)
1. the simple and easy cooler of alternating current electromagnetic valve, the electromagnetic coil (1), shell (2) and the circuit board (5) that comprise solenoid valve, circuit board (5) is installed in the shell (2), it is characterized in that: the terminal of described electromagnetic coil (1) connect the rectifier (3) of going up AC-DC, rectifier (3) is installed on the circuit board (5), and two terminal of rectifier (3) connect 220V ac power supply wiring base (4).
2. the simple and easy cooler of alternating current electromagnetic valve according to claim 1, it is characterized in that described rectifier (3), by starting current-limiting resistance R1, current limiting capacitance C1, discharge resistance R2 and sustained diode 1 constitute, after starting current-limiting resistance R1 and current limiting capacitance C1 series connection, a termination of a wiring termination electromagnetic coil (1), another terminal L connects 220V ac power supply wiring base (4), discharge resistance R2 in parallel connection on the current limiting capacitance C1, directly connect between two terminal of electromagnetic coil (1) and go up sustained diode 1, another terminal N of electromagnetic coil (1) connects 220V ac power supply wiring base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849763U CN201982777U (en) | 2011-03-28 | 2011-03-28 | Simple temperature reduction device for alternate current electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200849763U CN201982777U (en) | 2011-03-28 | 2011-03-28 | Simple temperature reduction device for alternate current electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982777U true CN201982777U (en) | 2011-09-21 |
Family
ID=44610238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200849763U Expired - Fee Related CN201982777U (en) | 2011-03-28 | 2011-03-28 | Simple temperature reduction device for alternate current electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972295A (en) * | 2016-07-18 | 2016-09-28 | 南京磁谷科技有限公司 | Energy-saving module for 24 V direct current solenoid valve coil for magnetic suspension blower |
-
2011
- 2011-03-28 CN CN2011200849763U patent/CN201982777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972295A (en) * | 2016-07-18 | 2016-09-28 | 南京磁谷科技有限公司 | Energy-saving module for 24 V direct current solenoid valve coil for magnetic suspension blower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102290222B (en) | High-power, high-frequency and high-voltage rectifier transformer | |
| CN201982777U (en) | Simple temperature reduction device for alternate current electromagnetic valve | |
| CN201975195U (en) | Exergonic device for superconducting iron remover magnet | |
| CN207559873U (en) | A kind of socket circuit for exchanging control | |
| CN205487949U (en) | Bistable state magnetism keeps bridge type to break away from relay based on machinery H bridge | |
| CN206092314U (en) | Frequency modulation magnetic drive pump | |
| CN202003916U (en) | Coil control device of contactor | |
| CN2838004Y (en) | High-voltage pulse magnet charger | |
| CN200969573Y (en) | AC touch-type switch circuit | |
| CN102637554A (en) | Frequency conversion unit used for alternating current contactor | |
| CN104633235B (en) | Electricity-saving type alternating current electromagnetic valve | |
| CN202602345U (en) | Battery charger | |
| CN104595558B (en) | There is the electricity-saving type alternating current electromagnetic valve of integrated circuit modules | |
| CN203218052U (en) | Traction electromagnet coil | |
| CN204791714U (en) | Lenz law presentation device | |
| CN204512598U (en) | A kind of miniature electromagnetic valve | |
| CN204288629U (en) | A kind of self-inductance apparatus for demonstrating | |
| CN202818073U (en) | Magnetoelectric pulsation alternator | |
| CN202418826U (en) | Ultra-energy-saving electromagnetic valve | |
| CN211376530U (en) | High-efficiency micro-control AC contactor module | |
| CN202422907U (en) | Ultra-energy-saving electromagnet | |
| CN2528089Y (en) | Capacitive high voltage magnetizing apparatus | |
| CN104633236B (en) | There is the pulsed alternating current electromagnetic valve of threshold-type D/C power circuit | |
| CN2796041Y (en) | Energy saving type DC electromagnet | |
| CN206249733U (en) | A kind of ampere force direction exploring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120328 |