CN207999535U - A kind of circuit that solenoid valve can be improved and starts voltage - Google Patents
A kind of circuit that solenoid valve can be improved and starts voltage Download PDFInfo
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- CN207999535U CN207999535U CN201820373561.XU CN201820373561U CN207999535U CN 207999535 U CN207999535 U CN 207999535U CN 201820373561 U CN201820373561 U CN 201820373561U CN 207999535 U CN207999535 U CN 207999535U
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- solenoid valve
- divider resistance
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- effect tube
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Abstract
The utility model discloses a kind of circuits that solenoid valve can be improved and starts voltage, including solenoid valve L1, fly-wheel diode, capacitance, divider resistance and field-effect tube, solenoid valve one end to connect divider resistance R1;Sustained diode 1 is in parallel with solenoid valve L1;Capacitance C1 is in parallel with divider resistance R1;The one end divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes;Field-effect tube T1 drain electrodes are connect with divider resistance R1, and field-effect tube T1 grounded-grids, field-effect tube T1 source electrodes can access control signal.The beneficial effects of the utility model are that the divider resistance R1 and capacitance C1 in parallel with divider resistance R1 is added on original base circuit.Using this type of drive, only when starting solenoid valve, there are one higher voltages, avoid solenoid valve T1 irregular working phenomenons caused by the factors such as component ageing, and after valve body picks up, other electrical parts are in rated operation and will not damage.
Description
Technical field
The utility model is related to a kind of solenoid valve, more particularly to a kind of circuit that solenoid valve can be improved and starts voltage.
Background technology
Solenoid valve is the valve driven by electromagnetic coil, and generally to control, fluid dynamic is pneumatic and hydraulic system.With straight
For type solenoid valve, spring handle valve body is pressed on valve seat when being not powered on, and valve is closed;When energization, electromagnetic coil
It generates electromagnetic force to pick up valve body from valve seat, the conducting of pipeline both sides.Solenoid valve is safe to use with its, simple system, acts soon
The advantages that fast, is widely used in various control systems.
Although driving system for electromagnetic valve is simple, under the control of solenoid valve rated voltage, it is generally possible to rapidly be attracted valve
Body, but in actual use causes solenoid valve both end voltage less than cut-in voltage due to electricity shortage, circuit is long or line
Road aging and cause internal resistance increase to cause to be not achieved under the driving of rated voltage firing current, clever lightness inside solenoid valve aging
The electromagnetic force for reducing and the driving lower coil in rated voltage being caused to generate can not be attracted the various unexpected factors such as valve body, generate electricity
The phenomenon that magnet valve can not work normally.
Therefore the drive mode of solenoid valve is improved so that solenoid valves moment is higher than the voltage that its both ends applies specified
Voltage, and after valve body picks up and reaches stable state, it is solenoid valve in reality to maintain attracting state that voltage, which is maintained at rated voltage nearby,
Urgent problem in the application of border.
Utility model content
The purpose of this utility model is to provide a kind of circuit that solenoid valve can be improved and starts voltage, to solve the above problems.
One side according to the present utility model provides a kind of circuit that solenoid valve can be improved and starts voltage, including:
The one end solenoid valve L1, solenoid valve L1 connects positive pole other end connection divider resistance R1.
Sustained diode 1, sustained diode 1 are in parallel with solenoid valve L1.
Capacitance C1, capacitance C1 is in parallel with divider resistance R1, and capacitance C1 can be by divider resistance R1 short circuits in the moment of energization.
The one end divider resistance R1, divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes, works as capacitance
Divider resistance R1 can reduce the voltage of solenoid valve L1 by partial pressure when C1 open circuits.
Field-effect tube T1, field-effect tube T1 drain electrodes are connect with divider resistance R1, field-effect tube T1 grounded-grids, field-effect tube
T1 source electrodes can access control signal.
In some embodiments, supply voltage 24V.
In some embodiments, solenoid valve L1 rated voltages are 12V.
In some embodiments, capacitance C1 is 3300 μ F.
In some embodiments, divider resistance R1 is 56 Ω.
In some embodiments, sustained diode 1 can also parallel connection solenoid valve L1 and divider resistance R1.
The beneficial effects of the utility model are:A kind of circuit that solenoid valve can be improved and starts voltage provided by the utility model
The divider resistance R1 and capacitance C1 in parallel with divider resistance R1 is added on original base circuit.Since circuit is provided with electricity
Hold C1, therefore the moment of scene effect pipe T1 conductings, capacitance C1 is equivalent to short circuit, and the both ends solenoid valve L1, which are equivalent to, to be applied with and electricity
The equivalent voltage of source voltage, and with the variation of time, the electric current for flowing through divider resistance R1 gradually increases, R1 points of divider resistance
Voltage gradually rise, solenoid valve L1 both end voltages gradually decay to rated value, after C1 chooses capacitance appropriate, solenoid valve
L1 completes sucking action, and rated voltage at this time can make solenoid valve keep attracting state, until the control of field-effect tube T1
Signal stops input.Therefore using this type of drive, only when starting solenoid valve, there are one higher voltages, avoid electricity
Magnet valve T1 irregular working phenomenons caused by the factors such as component ageing, and after valve body picks up, all electrical parts are in
Rated operation, therefore other electrical parts can't be damaged.
Description of the drawings
Fig. 1 is a kind of circuit diagram that solenoid valve can be improved and starts voltage of the utility model first embodiment.
Fig. 2 is a kind of circuit diagram that solenoid valve can be improved and starts voltage of the utility model second embodiment.
Specific implementation mode
1 and 2 pair of the utility model is described in further detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, a kind of circuit that solenoid valve can be improved and starts voltage, including:
The one end solenoid valve L1, solenoid valve L1 connects positive pole other end connection divider resistance R1.
Sustained diode 1 (when circuit disconnects, a high reversed self-induced e.m.f is will produce in solenoid valve T1,
According to the of different sizes of inductance value, this voltage can be higher by the several times of input voltage.Reverse parallel connection sustained diode 1, can be with
This self-induced e.m.f " short circuit " is fallen, a rational circuit is created), sustained diode 1 is in parallel with solenoid valve L1.
Capacitance C1, capacitance C1 is in parallel with divider resistance R1, and capacitance C1 can be by divider resistance R1 short circuits in the moment of energization.
The one end divider resistance R1, divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes, works as capacitance
Divider resistance R1 can reduce the voltage of solenoid valve L1 by partial pressure when C1 open circuits.
Field-effect tube T1, field-effect tube T1 drain electrodes are connect with divider resistance R1, field-effect tube T1 grounded-grids, field-effect tube
T1 source electrodes can access control signal.
A kind of circuit that solenoid valve startup voltage can be improved provided by the utility model is added on original base circuit
The divider resistance R1 and capacitance C1 in parallel with divider resistance R1.Since circuit is provided with capacitance C1, scene effect pipe T1
The moment of conducting, capacitance C1 are equivalent to short circuit, and the both ends solenoid valve L1 are equivalent to the voltage for being applied with and being equal with supply voltage, and with
The variation for the time, the electric current for flowing through divider resistance R1 gradually increase, and the voltage that divider resistance R1 divides gradually rises, solenoid valve
L1 both end voltages gradually decay to rated value, and after C1 chooses capacitance appropriate, solenoid valve L1 completes sucking action, and at this time
Rated voltage can make solenoid valve keep attracting state, until field-effect tube T1 control signal stop input.Therefore it uses
This type of drive only when starting solenoid valve there are one higher voltage, avoid solenoid valve T1 due to component ageing etc. because
Irregular working phenomenon caused by element, and after valve body picks up, all electrical parts are in rated operation, therefore can't
Other electrical parts are damaged.
First embodiment:
As shown in Figure 1, a kind of circuit that solenoid valve can be improved and starts voltage, including:
The one end solenoid valve L1, solenoid valve L1 connects positive pole other end connection divider resistance R1.
Sustained diode 1, sustained diode 1 are in parallel with solenoid valve L1.
Capacitance C1, capacitance C1 is in parallel with divider resistance R1, and capacitance C1 can be by divider resistance R1 short circuits in the moment of energization.
The one end divider resistance R1, divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes, works as capacitance
Divider resistance R1 can reduce the voltage of solenoid valve L1 by partial pressure when C1 open circuits.
Field-effect tube T1, field-effect tube T1 drain electrodes are connect with divider resistance R1, field-effect tube T1 grounded-grids, field-effect tube
T1 source electrodes can access control signal.
In the present embodiment, it since the actuation of solenoid valve needs the regular hour, so in foregoing circuit, needs to make to open
Dynamic voltage is more than the rated voltage of solenoid valve and is kept for the regular hour, when the circuits RC that divider resistance R1 and capacitance C1 is constituted
Between constant, τ=RC1, solenoid valve both end voltage U=U0e^ (- t/ τ), as U=U0/2, t=τ ln2=R can be calculated
C1ln2, after the resistance value that suitable divider resistance R1 is determined according to the rated voltage of solenoid valve T1 as a result, and can basis
So that solenoid valve T1 is attracted the time needed, determines the size of capacitance C1.
In the present embodiment, supply voltage 24V.
In the present embodiment, solenoid valve L1 rated voltages are 12V.
In the present embodiment, capacitance C1 is 3300 μ F.
In the present embodiment, divider resistance R1 is 56 Ω.
A kind of circuit that solenoid valve startup voltage can be improved provided in this embodiment is added to resistance on original base circuit
Value is the divider resistance R1 and the capacitance C1 in parallel with divider resistance R1 of 56 Ω, and wherein capacitance C1 is 3300 μ F.Due to circuit
It is provided with capacitance C1, therefore the moment of scene effect pipe T1 conductings, capacitance C1 are equivalent to short circuit, the both ends solenoid valve L1, which are equivalent to, applies
Add the voltage being equal with supply voltage, and with the variation of time, the electric current for flowing through divider resistance R1 gradually increases, partial pressure electricity
The voltage that resistance R1 divides gradually rises, and solenoid valve L1 both end voltages gradually decay to rated value, and capacitance appropriate is chosen in C1
Afterwards, solenoid valve L1 completes sucking action, and rated voltage at this time can make solenoid valve keep attracting state, until field-effect tube
The control signal of T1 stops input.Therefore using this type of drive only when starting solenoid valve there are one higher voltage,
Solenoid valve T1 irregular working phenomenons caused by the factors such as component ageing are avoided, and after valve body picks up, all electric appliances
Part is in rated operation, therefore can't damage other electrical parts.
Second embodiment:
As shown in Fig. 2, a kind of circuit that solenoid valve can be improved and starts voltage, including:
The one end solenoid valve L1, solenoid valve L1 connects positive pole other end connection divider resistance R1.
Sustained diode 1,1 parallel connection solenoid valve L1 and divider resistance R1 of sustained diode.
Capacitance C1, capacitance C1 is in parallel with divider resistance R1, and capacitance C1 can be by divider resistance R1 short circuits in the moment of energization.
The one end divider resistance R1, divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes, works as capacitance
Divider resistance R1 can reduce the voltage of solenoid valve L1 by partial pressure when C1 open circuits.
Field-effect tube T1, field-effect tube T1 drain electrodes are connect with divider resistance R1, field-effect tube T1 grounded-grids, field-effect tube
T1 source electrodes can access control signal.
For the electromagnetic valve circuit integrated, by adjusting the position (such as Fig. 2) of divider resistance R1 and capacitance C1 accesses, together
Sample can achieve the effect that first embodiment.Original control circuit can not be changed using such embodiment, it is only necessary to
The addition divider resistance R1 and capacitance C1 in parallel with divider resistance R1 between driving circuit and solenoid valve T1, convenient pair
Improvement is optimized in the system of originaling forming.
Above-described is only some embodiments of the utility model, for those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (6)
1. a kind of circuit that solenoid valve can be improved and starts voltage, which is characterized in that including:
The one end solenoid valve L1, the solenoid valve L1 connects the positive other end connection divider resistance R1 of power supply;
Sustained diode 1, the sustained diode 1 are in parallel with the solenoid valve L1;
Capacitance C1, the capacitance C1 is in parallel with the divider resistance R1, and the capacitance C1 can be by the partial pressure in the moment of energization
Resistance R1 short circuits;
The one end divider resistance R1, the divider resistance R1 connects solenoid valve L1, and the other end connects field-effect tube T1 drain electrodes, when described
The divider resistance R1 can reduce the voltage of the solenoid valve L1 by dividing when capacitance C1 open circuits;
Field-effect tube T1, the field-effect tube T1 drain electrodes are connect with the divider resistance R1, the field-effect tube T1 grounded-grids,
The field-effect tube T1 source electrodes can access control signal.
2. a kind of circuit that solenoid valve can be improved and starts voltage according to claim 1, which is characterized in that the power supply
Output voltage is 24V.
3. a kind of circuit that solenoid valve can be improved and starts voltage according to claim 1, which is characterized in that the solenoid valve
L1 rated voltages are 12V.
4. a kind of circuit that solenoid valve can be improved and starts voltage according to claim 1, which is characterized in that the capacitance C1
For 3300 μ F.
5. a kind of circuit that solenoid valve can be improved and starts voltage according to claim 1, which is characterized in that the partial pressure electricity
Resistance R1 is 56 Ω.
6. a kind of circuit that solenoid valve can be improved and starts voltage according to claim 1, which is characterized in that the afterflow two
Pole pipe D1 can also parallel connection solenoid valve L1 and divider resistance R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373561.XU CN207999535U (en) | 2018-03-19 | 2018-03-19 | A kind of circuit that solenoid valve can be improved and starts voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373561.XU CN207999535U (en) | 2018-03-19 | 2018-03-19 | A kind of circuit that solenoid valve can be improved and starts voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999535U true CN207999535U (en) | 2018-10-23 |
Family
ID=63838912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820373561.XU Active CN207999535U (en) | 2018-03-19 | 2018-03-19 | A kind of circuit that solenoid valve can be improved and starts voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999535U (en) |
-
2018
- 2018-03-19 CN CN201820373561.XU patent/CN207999535U/en active Active
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