CN207269196U - A kind of solenoid valve - Google Patents
A kind of solenoid valve Download PDFInfo
- Publication number
- CN207269196U CN207269196U CN201721007142.6U CN201721007142U CN207269196U CN 207269196 U CN207269196 U CN 207269196U CN 201721007142 U CN201721007142 U CN 201721007142U CN 207269196 U CN207269196 U CN 207269196U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic coil
- solenoid valve
- filter
- module
- power supply
- 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.)
- Active
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of solenoid valve, it is related to air-conditioner field, power supply circuit including electromagnetic coil and the connection electromagnetic coil, the power supply circuit is connected with the absorption module for absorbing surge impact and the filter module for eliminating clutter, the absorption module is transient voltage suppressor or varistor and in parallel with electromagnetic coil, the filter module includes the different filter capacitor of multiple capacitances, and the filter capacitor is in parallel with the electromagnetic coil.The utility model effectively absorbed moment electromagnetic coil of the solenoid valve in shut-off caused by counter electromotive force, avoid the breakdown harm of electromagnetic coil, reduce the interference to access device.
Description
【Technical field】
It the utility model is related to air-conditioner field, and in particular to a kind of solenoid valve.
【Background technology】
Solenoid valve is widely used in air-conditioner field.Solenoid valve has electromagnetic coil, belongs to inductive load.Due to perception
Very big counter electromotive force (i.e. surge impact) can be produced by being supported on shutdown transient, therefore solenoid valve completes moment also by production in action
Raw very big counter electromotive force, the peak value of counter electromotive force can also produce electricity up to even several kilovolts of several hectovolts with counter electromotive force
Pressure in the clutter of 0.3ms or so, easily punctures circuit board, or greatly interference is produced to access device higher than 75V, wavelength.
【Utility model content】
To solve foregoing problems, the utility model provides a kind of new solenoid valve, has effectively absorbed solenoid valve and existed
Counter electromotive force caused by the moment electromagnetic coil of shut-off, avoids the breakdown harm of electromagnetic coil, reduces and access is set
Standby interference.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of solenoid valve, including electromagnetic coil and the power supply circuit for connecting the electromagnetic coil, the power supply circuit connection
The absorption module for absorbing surge impact and the filter module for eliminating clutter are useful for, the absorption module constrains for transient electrical
Diode or varistor processed, the absorption module access power supply circuit in parallel with the electromagnetic coil, the filtering mould
Block includes filter capacitor, the filter capacitor access power supply circuit in parallel with the electromagnetic coil, and the filtered electrical is installed with
Have it is multiple, it is in parallel with the electromagnetic coil respectively, and the capacitance of each filter capacitor differs.
Further, the filter module further includes filter inductance, and the filter inductance is connected with the electromagnetic coil.
Optionally, the solenoid valve includes valve body and the cavity volume being formed in the valve body, the electromagnetic coil, the suction
Receive module and filter module is located in the cavity volume.
Optionally, the power supply circuit includes leading to the coil lead outside solenoid valve, institute from the electromagnetic coil both ends
State absorption module and the coil lead is connected with filter module and on the outside of the valve body of the solenoid valve.
Optionally, the solenoid valve includes valve body and is installed on the circuit board of the valve body, the absorption module and filtering
Module is integrated on the circuit board, and the circuit board is connected into the power supply circuit.
After adopting the above technical scheme, the utility model has the following advantages that：
A kind of solenoid valve, including electromagnetic coil and the power supply circuit for connecting the electromagnetic coil, the power supply circuit connection
The absorption module for absorbing surge impact and the filter module for eliminating clutter are useful for, the absorption module constrains for transient electrical
Diode or varistor processed, the absorption module access power supply circuit in parallel with the electromagnetic coil, the filtering mould
Block includes filter capacitor, the filter capacitor access power supply circuit in parallel with the electromagnetic coil, and the filtered electrical is installed with
Have it is multiple, it is in parallel with the electromagnetic coil respectively, and the capacitance of each filter capacitor differs：Pass through absorption module
Counter electromotive force caused by having effectively absorbed moment electromagnetic coil of the solenoid valve in shut-off, it is breakdown to avoid electromagnetic coil
Harm, by filter module, filters out with clutter caused by counter electromotive force, reduces the interference to access device.Transient state
It is in parallel with electromagnetic coil holding to suppress diode, when electromagnetic coil produces counter electromotive force, the two poles of the earth of Transient Suppression Diode are subject to
Reverse transient state high energy impact events, the high impedance of its two interpolar can be changed into Low ESR at a terrific speed, absorbed up to thousands of by it
Watt surge power, the voltage clamp between the two poles of the earth is played in a predetermined value to electromagnetic coil and other access devices
Effectively protective effect, from the damage to surge pulse.Or the nonlinear characteristic using varistor, serve as counter electromotive force and gone out
Two interpolars of present varistor, varistor can be by counter electromotive force clampers to a relatively-stationary magnitude of voltage, so that real
Now to the protection of electromagnetic coil.When the voltage being added on varistor is less than its threshold value, it is minimum to flow through its electric current, its phase
When in the resistance of a resistance value infinity；When the voltage being added on varistor exceedes its threshold value, the electric current for flowing through it swashs
Increase, it so allows for flowing through its electric current surge so as to reduce the shadow to electromagnetic coil equivalent to the infinitesimal resistance of resistance value
Ring.Meanwhile the filter capacitor of different capacitances, the clutter of each wave band, the filter of further boostfiltering module can be filtered out
Ripple effect.
The solenoid valve includes valve body and the cavity volume being formed in the valve body, the electromagnetic coil, the absorption module
It is located at filter module in the cavity volume：Absorption module and filter module are incorporated in cavity volume with electromagnetic coil, electromagnetic coil
Appearance is no different with conventional electromagnetic coil, but is possessed and absorbed counter electromotive force impact and filter function, without obtaining shape to solenoid valve
Redesigned.
The power supply circuit includes leading to the coil lead outside solenoid valve, the absorption mould from the electromagnetic coil both ends
Block connects the coil lead with filter module and on the outside of the valve body of the solenoid valve：Absorption module and filter module can be with
Individual packages are connected into a component outside electromagnetic valve body with lead, and away from electromagnetic coil heating position, it is old to avoid high temperature
The risk of change, extends the service life, while effect stability reliability is high.
The solenoid valve includes valve body and is installed on the circuit board of the valve body, and the absorption module and filter module integrate
On the circuit board, the circuit board is connected into the power supply circuit：Absorption module and filter module is set to be sent out away from electromagnetic coil
While hot spot, without being redesigned to the shape of solenoid valve.
These features and advantage of the utility model will carry out in detail in following embodiment and attached drawing
Exposure.The optimal embodiment of the utility model or means will carry out detailed performance with reference to attached drawing, but be not new to this practicality
The limitation of type technical solution.In addition, it is each be with these features, key element and the component occurred in attached drawing hereafter have it is multiple,
And different symbols or numeral are marked in order to represent convenient, but represents same or similar construction or the component of function.
【Brief description of the drawings】
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the circuit diagram of the utility model embodiment one；
Fig. 2 is the schematic diagram of the utility model embodiment one；
Fig. 3 is the schematic diagram of the utility model embodiment two；
Fig. 4 is the schematic diagram of the utility model embodiment three.
In attached drawing：
1- valve bodies, 11- electromagnetic coils, 12- leads, 13- circuit boards, 21- absorption modules, 22- filtering modules, 3- power supplys.
【Embodiment】
The technical solution of the utility model embodiment is explained with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to the utility model
Protection domain.
" one embodiment " or " example " or " example " mean that itself is described in conjunction with the embodiments quoted in this specification
A particular feature, structure, or characteristic can be included at least one embodiment disclosed in this patent.Phrase is " in one embodiment
In " appearance of each position in the description is not necessarily all referring to same embodiment.
In the description of the utility model embodiment, term " on ", " under ", "left", "right", " transverse direction ", " longitudinal direction ",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model rather than require the utility model must with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
The present embodiment provides a kind of solenoid valve.
Embodiment one：
As shown in Figure 1, solenoid valve 1, include the power supply circuit of electromagnetic coil 11 and connection electromagnetic coil 11, power supply circuit with
Power supply 3 connects, and power supply 3 is powered by power supply circuit for solenoid valve 1.Power supply circuit is connected with the absorption for absorbing surge impact
Module 21 and the filter module 22 for eliminating clutter.In the present embodiment, absorption module 21 is transient voltage suppressor, letter
Claim TVS pipe, TVS pipe access power supply circuit in parallel with electromagnetic coil 11.When the moment that electromagnetic coil 11 turns off can produce it is anti-electronic
Gesture, the two poles of the earth of TVS pipe are subject to reverse transient state high energy impact events, and the high impedance of its two interpolar can be changed into low by it at a terrific speed
Impedance, absorbs up to thousands of watts of surge power, makes voltage clamp between the two poles of the earth in a predetermined value, to electromagnetic coil 11 with
And other access devices play effectively protective effect, from the damage to surge pulse.Absorption module 21 can also be pressure-sensitive
Resistance, when absorption module 21 is using varistor, varistor access power supply circuit in parallel with electromagnetic coil 11.
Filter module 22 includes filter capacitor, and in the present embodiment, filter capacitor is equipped with two, be respectively C1 and C2, C1 and
C2 is in parallel with electromagnetic coil 11 respectively, and the general capacitances of C1 take 10uF-1uF scopes, and C2 capacitances take 10-100nF scopes, different capacitances
The filter capacitor of amount, can filter out the clutter of each wave band, the filter effect of further boostfiltering module.Preferably to filter
Ripple, filter module 22 may also include filter inductance, and filter inductance is connected with electromagnetic coil 11.
As shown in Fig. 2, solenoid valve 1 includes valve body and the cavity volume being formed in valve body, electromagnetic coil 11,21 and of absorption module
Filter module 22 is located in cavity volume, and solenoid valve 1 is equipped with lead 12, and external power supply passes through lead 12 and electromagnetic coil 11, absorption mould
Block 21 and filter module 22 connect, and power to electromagnetic coil 11, absorption module 21 and filter module 22, absorption module 21 and filtering
Module 22 is incorporated in cavity volume with electromagnetic coil 11, and appearance and the conventional electromagnetic coil of electromagnetic coil 11 are no different, but possess absorption
Counter electromotive force impacts and filter function, is redesigned without obtaining shape to solenoid valve.
Embodiment two：
Embodiment two is made that improvement on the basis of embodiment one, as shown in figure 3, absorption module 21, filter module 22
It is identical with embodiment one to access the mode of power supply circuit, unlike, in the present embodiment, 22 envelope of absorption module 21 and filter module
It is fitted together, forms an independent component, the independent component that absorption module 21 and the encapsulation of filter module 22 are formed is connected to lead
Between 12, and on the outside of the valve body of solenoid valve 1, lead 12 is by circuit board 13 on solenoid valve 1 and circuit board 13
Other access devices are powered, and away from electromagnetic coil heating position, are avoided the risk of high temperature ageing, are extended service life, same to timeliness
Fruit reliability is high.
Embodiment three：
Embodiment three is made that improvement on the basis of embodiment one, as shown in figure 4, absorption module 21, filter module 22
It is identical with embodiment one to access the mode of power supply circuit, unlike, in the present embodiment, absorption module 21 and filter module 22 collect
Into on circuit board 13, circuit board 13 is installed on solenoid valve 1, is connected into power supply circuit, makes absorption module 21 and filter module 22 remote
While from 11 heating position of electromagnetic coil, without being redesigned to the shape of solenoid valve 1.
More than, it is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited thereto,
It is familiar with the those skilled in the art and should be understood that the utility model includes but not limited in attached drawing and above embodiment
The content of description.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claims
In enclosing.
Claims (5)
1. a kind of solenoid valve, including electromagnetic coil and the power supply circuit for connecting the electromagnetic coil, it is characterised in that the power supply
Circuit is connected with the absorption module for absorbing surge impact and the filter module for eliminating clutter, and the absorption module is wink
Time variant voltage suppresses diode or varistor, the absorption module access power supply circuit in parallel with the electromagnetic coil, institute
Stating filter module includes filter capacitor, the filter capacitor access power supply circuit in parallel with the electromagnetic coil, the filter
Ripple capacitance be equipped with it is multiple, it is in parallel with the electromagnetic coil respectively, and each the capacitance of the filter capacitor differs.
2. solenoid valve according to claim 1, it is characterised in that：The filter module further includes filter inductance, the filter
Ripple inductance is connected with the electromagnetic coil.
3. solenoid valve according to claim 1 or 2, it is characterised in that：The solenoid valve includes valve body and is formed in described
Cavity volume in valve body, the electromagnetic coil, the absorption module and filter module are located in the cavity volume.
4. solenoid valve according to claim 1 or 2, it is characterised in that：The power supply circuit is included from the electromagnetic coil
Both ends lead to the coil lead outside solenoid valve, and the absorption module connects the coil lead with filter module and positioned at described
On the outside of the valve body of solenoid valve.
5. solenoid valve according to claim 1 or 2, it is characterised in that：The solenoid valve includes valve body and is installed on described
The circuit board of valve body, the absorption module and filter module are integrated on the circuit board, and the circuit board is connected into the power supply
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007142.6U CN207269196U (en) | 2017-08-08 | 2017-08-08 | A kind of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007142.6U CN207269196U (en) | 2017-08-08 | 2017-08-08 | A kind of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207269196U true CN207269196U (en) | 2018-04-24 |
Family
ID=61961015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721007142.6U Active CN207269196U (en) | 2017-08-08 | 2017-08-08 | A kind of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207269196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809971A (en) * | 2020-07-16 | 2020-10-23 | 深圳市麦驰安防技术有限公司 | Unlocking drive circuit, electric control lock and magnetic lock |
-
2017
- 2017-08-08 CN CN201721007142.6U patent/CN207269196U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809971A (en) * | 2020-07-16 | 2020-10-23 | 深圳市麦驰安防技术有限公司 | Unlocking drive circuit, electric control lock and magnetic lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202333771U (en) | Power supply protection circuit and engineering machinery | |
| CN201315484Y (en) | Surge voltage suppressing circuit and air conditioner comprising same | |
| CN103872755A (en) | Double power supply seamless switching circuit | |
| CN104659774A (en) | Low-voltage input power supply port protection circuit | |
| CN109546633A (en) | One kind being applied to DC28V power supply signal EMI filtering and lightning protection circuit | |
| CN203339687U (en) | High speed and high frequency signal port surge protection circuit | |
| CN201075821Y (en) | Power factor corrector for frequency converting air conditioner | |
| CN207269196U (en) | A kind of solenoid valve | |
| CN108594038A (en) | Arrester monitoring system | |
| CN108448558A (en) | Lightning arrester system | |
| CN103384114B (en) | The power supply of DC600V train power supply device control units | |
| CN203406605U (en) | Control circuit for inhibiting surge current | |
| CN206041497U (en) | Middling pressure power line broadband bridge power filter module | |
| CN108448560A (en) | Arrester | |
| CN203233162U (en) | Surge protection device | |
| CN208820468U (en) | A kind of Spark gap device applied to 806MHZ~2500MHZ radiofrequency signal | |
| CN207910466U (en) | A kind of Vehicular charger inlet circuit | |
| CN206790451U (en) | The control device and air conditioner of wave filter, air conditioner | |
| CN202334336U (en) | Active electronic type transformer power supply | |
| CN208479473U (en) | A kind of DC-DC power module inhibiting booting surge | |
| CN209472567U (en) | A kind of bridge switching circuit | |
| CN203399068U (en) | Energy-saving EMI passive harmonic filter | |
| CN208522661U (en) | A kind of current rectifying and wave filtering circuit | |
| CN206481221U (en) | Inverse-excitation type switch power-supply | |
| CN201450324U (en) | Surge absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |