CN206790451U - The control device and air conditioner of wave filter, air conditioner - Google Patents
The control device and air conditioner of wave filter, air conditioner Download PDFInfo
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- CN206790451U CN206790451U CN201720688976.1U CN201720688976U CN206790451U CN 206790451 U CN206790451 U CN 206790451U CN 201720688976 U CN201720688976 U CN 201720688976U CN 206790451 U CN206790451 U CN 206790451U
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Abstract
The utility model provides the control device and air conditioner of a kind of wave filter, air conditioner.Wherein, a kind of wave filter, including：First common mode inhibition module, including first order inductance common mode inhibition module and second level inductance common mode inhibition module；Second common mode inhibition module, including first order electric capacity common mode inhibition module and second level electric capacity common mode inhibition module；Differential mode suppression module, including first order differential mode suppression module and second level differential mode suppression module；Surge suppression modules；Wherein, first common mode inhibition module, the second common mode inhibition module, differential mode suppression module and surge suppression modules integrate, input current is successively by first order electric capacity common mode inhibition module, first order differential mode suppression module, first order common mode inductance, second level electric capacity common mode inhibition module, second level differential mode suppression module, second level common mode inductance, are then exported after surge suppression modules.Effectively solves the problem of existing wave filter cost is higher, and filter effect is undesirable and reliability is low.
Description
Technical field
Technical field of filtering is the utility model is related to, the control in particular to a kind of wave filter, a kind of air conditioner fills
Put, and a kind of air conditioner.
Background technology
The EMC performances of control device mainly have two aspects of degree of disturbance and immunity to interference.Wave filter will not only make external interference
Influence to control device is minimum, while control device is met Standard to the minimum interference of extraneous power network.Due to
Powerful device, such as air-conditioning system, the features such as frequency conversion system switching speed is fast, and starting current is big, power network is disturbed big.Such business
With equipment, it is necessary to bear lightning surge, impulse train etc., the EMC performances of boostfiltering device are more needed.
In phase three-wire three wave filter or three-phase and four-line wave filter, in order to tackle power surges, the thunder that control device is born
Surge, interference of the disturbance voltage to power network etc. are hit, has been used between existing wave filter live wire and live wire, between live wire and zero line big
The devices such as the resistance of amount, electric capacity, inductance, not only add product cost, and reduce product reliability, also, seldom examine
Consider due to wrong line or miss the unconventional factor such as line, cause wave filter component to bear abnormal big voltage, beyond first device
Part can tolerance range, so as to cause component to damage, the situation of reliability decrease.
Therefore, a kind of low cost how is provided, reliability is high, the wave filter of EMC excellent effects, turns into urgently to be resolved hurrily at present
Technical problem.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, a purpose of the present utility model is to propose a kind of wave filter.
Another purpose of the present utility model is to propose a kind of control device of air conditioner.
Another purpose of the present utility model is to propose a kind of air conditioner.
In view of this, the utility model proposes a kind of wave filter, for the control device of air conditioner, the wave filter bag
Include：First common mode inhibition module, including first order inductance common mode inhibition module and second level inductance common mode inhibition module, for filtering
Except common mode disturbances；Second common mode inhibition module, including first order electric capacity common mode inhibition module and second level electric capacity common mode inhibition mould
Block, disturbed for filtering common mode；Differential mode suppression module, including first order differential mode suppression module and second level differential mode suppression module,
For filtering out DM EMI；Surge suppression modules, for filtering out surge, pulse and thunderbolt interference；Wherein, the first common mode inhibition
Module, the second common mode inhibition module, differential mode suppression module and surge suppression modules integrate, and input current is successively by the
One-level electric capacity common mode inhibition module, first order differential mode suppression module, first order common mode inductance, second level electric capacity common mode inhibition mould
Block, second level differential mode suppression module, second level common mode inductance, are then exported after surge suppression modules.
According to wave filter of the present utility model, by the way that the first common mode inhibition module, the second common mode inhibition module, differential mode are pressed down
Molding block and surge suppression modules integrate, and rationally place the position of modules and its filters internal part, make input
Electric current is successively by first order electric capacity common mode inhibition module, first order differential mode suppression module, first order common mode inductance, second level electricity
Hold common mode inhibition module, second level differential mode suppression module, second level common mode inductance, then by and surge suppression modules after it is defeated
Go out, reach and suppress different frequency range common mode disturbances, short-circuit DM EMI and the interference such as power network thunderbolt, surge, pulse are filtered
The purpose of ripple, higher so as to solve existing wave filter cost, filter effect is undesirable and because of unconventional factor, causes reliability
The problem of decline, realizing reduces product cost, lifting product reliability, lifts EMC effects.
In addition, according to the above-mentioned wave filter of the utility model, there can also be technical characteristic additional as follows：
In the above-mentioned technical solutions, it is preferable that first order inductance common mode inhibition module includes first order common mode inductance, and second
Level inductance common mode inhibition module includes second level common mode inductance；Wherein, first order common mode inductance is connected with second level common mode inductance.
In the technical scheme, by the way that first order common mode inductance, second level common mode inductance are connected, reach pole filter
Purpose, it is effectively increased filter effect.
In any of the above-described technical scheme, it is preferable that first order common mode inductance and second level common mode inductance using identical or
The magnetic core of unlike material.
In the technical scheme, first order common mode inductance and second level common mode inductance, can use phase same material magnetic core,
To increase filter effect, the iron core of unlike material can also be used, for example, first order common mode inductance uses non-crystalline material, second
Level common mode inductance Ferrite Material, to suppress the common mode disturbances of different frequency range.
In any of the above-described technical scheme, it is preferable that the material of magnetic core includes non-crystalline material or Ferrite Material.
In the technical scheme, the material of magnetic core includes but is not limited to non-crystalline material or Ferrite Material.
In any of the above-described technical scheme, it is preferable that first order electric capacity common mode inhibition module presses down with second level electric capacity common mode
Molding block includes 8 Y capacitances respectively, and each two Y capacitance is in parallel, is connected across the first live wire and ground wire, the second live wire and ground respectively
Between line, the 3rd live wire and ground wire, zero line and ground wire.
In the technical scheme, the second common mode inhibition module includes first order electric capacity common mode inhibition module and second level electric capacity
Common mode inhibition module, any of which level electric capacity common mode inhibition module include 8 Y capacitances, and each two Y capacitance is in parallel, respectively across
It is connected between the first live wire and ground wire, the second live wire and ground wire, the 3rd live wire and ground wire, zero line and ground wire, for suppression common mode
Interference.Because over the ground, required Y capacitance capacitance is larger, and cost is higher using single Y capacitance, and use two Y capacitance parallel connections right
Ground, by increasing capacitance it is possible to increase Y capacitance capacitance, not only can suitably reduce cost, and can obtain than single Y capacitance more preferable common mode over the ground
Inhibition.
In any of the above-described technical scheme, it is preferable that first order differential mode suppression module and second level differential mode suppression module point
Not Bao Han 3 X electric capacity, each X electric capacity is connected across the first live wire and zero line, the second live wire and zero line, the 3rd live wire and zero respectively
Between line.
In the technical scheme, first order differential mode suppression module and second level differential mode suppression module include 3 X electricity respectively
Hold, each X electric capacity is connected across between the first live wire and zero line, the second live wire and zero line, the 3rd live wire and zero line respectively.So,
Between live wire and live wire, such as between the second live wire and the 3rd live wire, connected by 2 X electric capacity, suppress DM EMI jointly, and
Need not between the second live wire and the 3rd live wire independent series capacitance, certain cost can be saved；Wherein, X electric capacity is alternatively adopted
With interior string X electric capacity, component both end voltage can be reduced indirectly, reaches the purpose that can be worked under high pressure, even if live wire, zero line connect
Instead, such as the first live wire and zero line are reversed, and the second live wire is with zero line equivalent to the first live wire and the second live wire, and voltage increase is extremely
380V, the X electric capacity will not damage, can normal operation, so as to effectively lifting product reliability.
In any of the above-described technical scheme, it is preferable that surge suppression modules include：First piezo-resistance, the second pressure-sensitive electricity
Resistance, the 3rd piezo-resistance, the 4th piezo-resistance and discharge tube；Wherein, the first piezo-resistance, the second piezo-resistance, the 3rd pressure-sensitive
Resistance, it is connected across respectively between the first live wire and zero line, the second live wire and zero line, the 3rd live wire and zero line；4th piezo-resistance
Connect, be connected across between zero line and ground wire with discharge tube.
In the technical scheme, the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance are connected across the first fire respectively
Between line and zero line, the second live wire and zero line, the 3rd live wire and zero line, the 4th piezo-resistance is connected with discharge tube, is connected across zero
Between line and ground wire.So, between live wire and live wire, such as between the second live wire and the 3rd live wire, the second piezo-resistance and the are passed through
The concatenation of three piezo-resistances suppresses surge, impulse train interference, without individually concatenating piezo-resistance between live wire and live wire, and
Quantity only needs 4, can save certain cost.Wherein, general type selecting 681 of piezo-resistance or more, discharge tube type selecting 3600V or with
Under, when preventing live wire and zero line reversed, such as the first live wire L1, zero line are reversed, the second live wire and zero line equivalent to the first live wire with
Second live wire, voltage increase to 380V, 681 type piezo-resistances disclosure satisfy that resistance to pressure request, will not cause to damage, can normal work
Make, so as to effectively lift product reliability.
In any of the above-described technical scheme, it is preferable that surge suppression modules include：First piezo-resistance, the second pressure-sensitive electricity
Resistance, the 3rd piezo-resistance, the 4th piezo-resistance, the 5th piezo-resistance and discharge tube；Wherein, the first piezo-resistance, second pressure-sensitive
Resistance, the 3rd piezo-resistance and the 4th piezo-resistance, be connected across respectively the first live wire and common port, the second live wire and common port,
Between 3rd live wire and common port, zero line and common port；5th piezo-resistance is connected with discharge tube, is connected across common port and ground wire
Between.
In the technical scheme, the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance and the 4th piezo-resistance,
Be connected across respectively the first live wire and common port, the second live wire and common port, the 3rd live wire and common port, zero line and common port it
Between, the 5th piezo-resistance is connected with discharge tube, is connected across between common port and ground wire.So, the first live wire, the second live wire,
3rd live wire, zero line, connected by two piezo-resistances between any two line, suppress surge, impulse train interference, be not required in live wire
Piezo-resistance individually is concatenated between live wire, certain cost can be saved.Because piezo-resistance uses tandem, its general type selecting
471 or more, discharge tube type selecting 3600V or following, when live wire, zero line are reversed, such as the first live wire, zero line are reversed, the second fire
Line and zero line N are equivalent to the first live wire and the live wires of L1 second, voltage increase to 380V, two 471 piezo-resistances connect equivalent to
941 piezo-resistances, disclosure satisfy that resistance to pressure request, avoid puncturing, can normal work, so as to effectively lifting product reliability.Also,
Because type selecting parameter is smaller, and quantity only needs 5, can effectively reduce cost.
The utility model also proposed a kind of control device of air conditioner, including the filtering in any technical scheme as described above
Device.
According to the control device of air conditioner of the present utility model, the use wave filter in any technical scheme as described above, energy
It is higher enough to solve existing wave filter cost, filter effect is undesirable and because of unconventional factor, the problem of causing reliability decrease,
More preferable EMC effects are realized, effectively reduce production cost, lift product reliability.
The utility model has also been proposed a kind of air conditioner, including：Such as the control device of the air conditioner in above-mentioned technical scheme；
Or the wave filter in any technical scheme as described above.
According to air conditioner of the present utility model, the use wave filter in any technical scheme, or using as described above as described above
The control device of air conditioner in technical scheme, thus possess the technique effect of the control device whole of wave filter or air conditioner,
It will not be repeated here.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 shows the structural representation of the wave filter according to one embodiment of the present utility model；
Fig. 2 shows the schematic diagram of the first common mode inhibition module according to one embodiment of the present utility model；
Fig. 3 shows the schematic diagram of the second common mode inhibition module according to one embodiment of the present utility model；
Fig. 4 shows the schematic diagram of the differential mode suppression module according to one embodiment of the present utility model；
Fig. 5 shows the schematic diagram of the surge suppression modules according to one embodiment of the present utility model；
Fig. 6 shows the schematic diagram of the surge suppression modules according to another embodiment of the present utility model；
Fig. 7 shows the schematic block diagram of the control device of the air conditioner according to one embodiment of the present utility model；
Fig. 8 shows the schematic block diagram of the air conditioner according to one embodiment of the present utility model；
Fig. 9 shows the schematic block diagram of the air conditioner according to another embodiment of the present utility model.
Wherein, the corresponding relation in Fig. 1 between reference and component names is：
10 first order inductance common mode inhibition modules, 12 second level inductance common mode inhibition modules, the suppression of 20 first order electric capacity common modes
Molding block, 22 second level electric capacity common mode inhibition modules, 30 first order differential mode suppression modules, 32 second level differential mode suppression modules, 40
Surge suppression modules.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
Wave filter referring to Fig. 1 to Fig. 9 descriptions according to some embodiments of the utility model.
As shown in figure 1, according to one embodiment of the present utility model, it is proposed that a kind of wave filter, the control for air conditioner
Device processed, the wave filter include：First common mode inhibition module, including first order inductance common mode inhibition module 10 and second level inductance
Common mode inhibition module 12, disturbed for filtering common mode；Second common mode inhibition module, including first order electric capacity common mode inhibition module 20
And second level electric capacity common mode inhibition module 22, disturbed for filtering common mode；Differential mode suppression module, including first order differential mode suppress mould
Block 30 and second level differential mode suppression module 32, for filtering out DM EMI；Surge suppression modules 40, for filtering out surge, pulse
And thunderbolt interference；Wherein, the first common mode inhibition module, the second common mode inhibition module, differential mode suppression module and Surge suppression mould
Block 40 integrates, input current successively by first order electric capacity common mode inhibition module 20, first order differential mode suppression module 30,
First order inductance common mode inhibition module 10, second level electric capacity common mode inhibition module 22, second level differential mode suppression module 32, the second level
Inductance common mode inhibition module 12, is then exported after surge suppression modules 40.
Wave filter provided by the utility model, by the way that the first common mode inhibition module, the second common mode inhibition module, differential mode are pressed down
Molding block and surge suppression modules 40 integrate, and rationally place the position of modules and its filters internal part, make defeated
Enter electric current successively by first order electric capacity common mode inhibition module 20, first order differential mode suppression module 30, the suppression of first order inductance common mode
Molding block 10, second level electric capacity common mode inhibition module 22, second level differential mode suppression module 32, second level inductance common mode inhibition module
1212, then by and surge suppression modules 40 after export, reach suppress different frequency range common mode disturbances, short-circuit DM EMI, with
And to the purpose that the interference such as power network thunderbolt, surge, pulse are filtered, filtering effect higher so as to solve existing wave filter cost
Fruit is undesirable and because of unconventional factor, the problem of causing reliability decrease, realizes that to reduce product cost, lifting product reliable
Property, lift EMC effects.
As shown in Fig. 2 in the above embodiment, it is preferable that first order inductance common mode inhibition module 10 is total to including the first order
Mould inductance L11, second level inductance common mode inhibition module L12 include second level common mode inductance L12；Wherein, first order common mode inductance
L11 connects L12 with second level common mode inductance.
In this embodiment, by the way that first order common mode inductance L11, second level common mode inductance L12 are connected, bipolar filter is reached
The purpose of ripple, is effectively increased filter effect.
In any of the above-described embodiment, it is preferable that first order common mode inductance L11 uses phase with second level common mode inductance L12
Same or unlike material magnetic core.
In this embodiment, first order common mode inductance L11 and second level common mode inductance L12, phase same material can be used
Magnetic core, to increase filter effect, the iron core of unlike material can also be used, for example, first order common mode inductance L11 uses amorphous material
Material, second level common mode inductance L12 Ferrite Materials, to suppress the common mode disturbances of different frequency range.
In any of the above-described embodiment, it is preferable that the material of magnetic core includes non-crystalline material or Ferrite Material.
In this embodiment, the material of magnetic core includes but is not limited to non-crystalline material or Ferrite Material.
As shown in figure 3, in any of the above-described embodiment, it is preferable that first order electric capacity common mode inhibition module 20 and the second level
Electric capacity common mode inhibition module 22 includes 8 Y capacitances respectively, and each two Y capacitance is in parallel, is connected across the first live wire L1 and ground wire respectively
Between GND, the second live wire L2 and ground wire GND, the 3rd live wire L3 and ground wire GND, zero line N and ground wire GND.
In this embodiment, it is any in first order electric capacity common mode inhibition module 20 and second level electric capacity common mode inhibition module 22
Level electric capacity common mode inhibition module includes 8 Y capacitances, wherein, C1 and C2 are in parallel, and C3 and C4 are in parallel, and C5 and C6 are in parallel, C7 and C8
Parallel connection, is connected across the first live wire L1- ground wires GND respectively, the second live wire L2- ground wires GND, the 3rd live wire L3- ground wire GND, zero line
N- ground wire GND, disturbed for suppression common mode.Because using single Y capacitance, over the ground, required Y capacitance capacitance is larger, and cost is higher,
And use two Y capacitance parallel connections over the ground, by increasing capacitance it is possible to increase Y capacitance capacitance, not only can suitably reduce cost, and can obtain than list
Individual Y capacitance more preferable common mode inhibition effect over the ground.
As shown in figure 4, in any of the above-described embodiment, it is preferable that first order differential mode suppression module 30 and second level differential mode
Suppression module 32 includes 3 X electric capacity respectively, each X electric capacity be connected across respectively the first live wire L1 and zero line N, the second live wire L2 with
Between zero line N, the 3rd live wire L3 and zero line N.
In this embodiment, first order differential mode suppression module 30 and second level differential mode suppression module 32 include X electric capacity respectively
C9, C10, C11, respectively transboundary in the first live wire L1- zero lines N, the second live wire L2- zero lines N, the 3rd live wire L3- zero lines N.So,
Between live wire and live wire, such as live wire L3 of the second live wire L2- the 3rd, connected by X electric capacity C10, C11, suppress DM EMI jointly,
Without the independent series capacitance between the second live wire L2 and the 3rd live wire L3, certain cost can be saved；Wherein, X electric capacity can
Selection of land uses interior string X electric capacity, can reduce component both end voltage indirectly, reach the purpose that can be worked under high pressure, even if live wire,
Zero line is reversed, and such as the first live wire L1 and zero line N is reversed, the second live wire L2- zero lines N equivalent to first live wire L1- the second live wire L2,
Voltage increase to 380V, X electric capacity will not damage, can normal operation, so as to effectively lifting product reliability.
As shown in figure 5, in any of the above-described embodiment, it is preferable that surge suppression modules 40 include：First piezo-resistance
ZR1, the second piezo-resistance ZR2, the 3rd piezo-resistance ZR3, the 4th piezo-resistance ZR4 and discharge tube DSA1；Wherein, first is pressure-sensitive
Resistance ZR1, the second piezo-resistance ZR2, the 3rd piezo-resistance ZR3, are connected across the first live wire L1 and zero line N, the second live wire respectively
Between L2 and zero line N, the 3rd live wire L3 and zero line N；4th piezo-resistance ZR4 connects with discharge tube DSA1, be connected across zero line N with
Between ground wire GND.
In this embodiment, the first piezo-resistance ZR1, the second piezo-resistance ZR2, the 3rd piezo-resistance ZR3 are bridged respectively
Between the first live wire L1 and zero line N, the second live wire L2 and zero line N, the 3rd live wire L3 and zero line N, the 4th piezo-resistance ZR4 with
Discharge tube is connected, and is connected across between zero line and ground wire.So, between live wire and live wire, such as the second live wire L2 and the 3rd live wire L3
Between, surge, impulse train interference are suppressed by the second piezo-resistance ZR2 and the 3rd piezo-resistance ZR3 concatenation, without in live wire
Piezo-resistance individually is concatenated between live wire, and quantity only needs 4, can save certain cost.Wherein, the general type selecting of piezo-resistance
681 or more, discharge tube type selecting 3600V or following, when preventing live wire and reversed zero line, such as the first live wire L1, zero line N is reversed,
Second live wire L2- zero lines N is equivalent to first live wire L1- the second live wire L2, and voltage increase to 380V, 681 type piezo-resistances can
Meet resistance to pressure request, will not cause to damage, can normal work, so as to effectively lifting product reliability.
As shown in fig. 6, in any of the above-described embodiment, it is preferable that surge suppression modules 40 include：First piezo-resistance
ZR1, the second piezo-resistance ZR2, the 3rd piezo-resistance ZR3, the 4th piezo-resistance ZR4, the 5th piezo-resistance ZR5 and discharge tube；
Wherein, the first piezo-resistance ZR1, the second piezo-resistance ZR2, the 3rd piezo-resistance ZR3 and the 4th piezo-resistance ZR4, respectively across
Be connected on the first live wire L1 and common port, the second live wire L2 and common port, the 3rd live wire L3 and common port, zero line N and common port it
Between；5th piezo-resistance ZR5 connects with discharge tube, is connected across between common port and ground wire GND.
In this embodiment, the first piezo-resistance ZR1, the second piezo-resistance ZR2, the pressures of the 3rd piezo-resistance ZR3 and the 4th
Quick resistance ZR4, be connected across respectively the first live wire L1 and common port, the second live wire L2 and common port, the 3rd live wire L3 and common port,
Between zero line N and common port, the 5th piezo-resistance ZR5 connects with discharge tube, is connected across between common port and ground wire GND.So,
Connected between the first live wire L1, the second live wire L2, the 3rd live wire L3, zero line N, any two line by two piezo-resistances, suppression
Surge processed, impulse train interference, are not required between live wire and live wire individually concatenate piezo-resistance, can save certain cost.Due to pressure
Quick resistance uses tandem, its general type selecting 471 or more, discharge tube type selecting 3600V or following, when live wire, zero line N are reversed
When, such as the first live wire L1L1, zero line NN is reversed, and the second live wire L2L2 and zero line NN is equivalent to the first live wire L1 and the live wires of L1 second
L2L2, voltage increase to 380V, two 471 piezo-resistances series connection disclosure satisfy that resistance to pressure request, keep away equivalent to 941 piezo-resistances
Exempt to puncture, can normal work, so as to effectively lifting product reliability.Also, because type selecting parameter is smaller, and quantity only needs 5,
Cost can effectively be reduced.
As shown in fig. 7, the schematic block diagram according to the control device of the air conditioner of one embodiment of the present utility model.Its
In, the control device 700 of the air conditioner, including such as the wave filter 702 in above-mentioned any embodiment.
The control device 700 of air conditioner provided by the utility model, using the wave filter in such as above-mentioned any embodiment
702, it can solve the problem that existing wave filter cost is higher, filter effect is undesirable and because of unconventional factor, causes reliability decrease
The problem of, more preferable EMC effects are realized, effectively reduce production cost, lift product reliability.
As shown in figure 8, the schematic block diagram according to the air conditioner of one embodiment of the present utility model.Wherein, the air conditioner
800, including：Such as the wave filter 802 in above-mentioned any embodiment.
Air conditioner 800 provided by the utility model, using the wave filter 802 in such as above-mentioned any embodiment, thus possess
The whole technique effect of the wave filter, will not be repeated here.
As shown in figure 9, the schematic block diagram according to the air conditioner of another embodiment of the present utility model.Wherein, the air-conditioning
Device 900, including：Such as the control device 902 of the air conditioner in above-mentioned embodiment.
Air conditioner 900 provided by the utility model, using the control device 902 of the air conditioner in such as above-mentioned embodiment, because
And possess the technique effect of the whole of control device 902 of the air conditioner, it will not be repeated here.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of wave filter, the control device for air conditioner, it is characterised in that the wave filter includes：
First common mode inhibition module, including first order inductance common mode inhibition module and second level inductance common mode inhibition module, are used for
Filtering common mode disturbs；
Second common mode inhibition module, including first order electric capacity common mode inhibition module and second level electric capacity common mode inhibition module, are used for
Filtering common mode disturbs；
Differential mode suppression module, including first order differential mode suppression module and second level differential mode suppression module, for filtering out DM EMI；
Surge suppression modules, for filtering out surge, pulse and thunderbolt interference；
Wherein, the first common mode inhibition module, the second common mode inhibition module, the differential mode suppression module and the surge
Suppression module integrates, and input current is successively by the first order electric capacity common mode inhibition module, the first order differential mode
Suppression module, the first order common mode inductance, the second level electric capacity common mode inhibition module, the second level differential mode suppress mould
Block, the second level common mode inductance, are then exported after the surge suppression modules.
2. wave filter according to claim 1, it is characterised in that
The first order inductance common mode inhibition module includes first order common mode inductance, the second level inductance common mode inhibition module bag
Include second level common mode inductance；Wherein,
The first order common mode inductance is connected with the second level common mode inductance.
3. wave filter according to claim 2, it is characterised in that
The first order common mode inductance uses the magnetic core of identical or different material with the second level common mode inductance.
4. wave filter according to claim 3, it is characterised in that
The material of the magnetic core includes non-crystalline material or Ferrite Material.
5. wave filter according to claim 1, it is characterised in that
The first order electric capacity common mode inhibition module includes 8 Y capacitances respectively with the second level electric capacity common mode inhibition module, often
Two Y capacitances are in parallel, are connected across the first live wire and ground wire, the second live wire and ground wire, the 3rd live wire and ground wire, zero line respectively
Between ground wire.
6. wave filter according to claim 1, it is characterised in that
The first order differential mode suppression module includes 3 X electric capacity respectively with the second level differential mode suppression module, each X
Electric capacity is connected across between the first live wire and zero line, the second live wire and zero line, the 3rd live wire and zero line respectively.
7. wave filter according to any one of claim 1 to 6, it is characterised in that the surge suppression modules include：The
One piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, the 4th piezo-resistance and discharge tube；Wherein,
First piezo-resistance, second piezo-resistance, the 3rd piezo-resistance, are connected across the first live wire and zero respectively
Between line, the second live wire and zero line, the 3rd live wire and zero line；
4th piezo-resistance is connected with the discharge tube, is connected across between zero line and ground wire.
8. wave filter according to any one of claim 1 to 6, it is characterised in that the surge suppression modules include：The
One piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance, the 4th piezo-resistance, the 5th piezo-resistance and discharge tube；Wherein,
First piezo-resistance, second piezo-resistance, the 3rd piezo-resistance and the 4th piezo-resistance, are bridged respectively
Between the first live wire and common port, the second live wire and common port, the 3rd live wire and common port, zero line and common port；
5th piezo-resistance is connected with the discharge tube, is connected across between common port and ground wire.
9. a kind of control device of air conditioner, it is characterised in that including the wave filter as any one of claim 1 to 8.
A kind of 10. air conditioner, it is characterised in that including：
The control device of air conditioner as claimed in claim 9；Or
Wave filter as any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720688976.1U CN206790451U (en) | 2017-06-14 | 2017-06-14 | The control device and air conditioner of wave filter, air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720688976.1U CN206790451U (en) | 2017-06-14 | 2017-06-14 | The control device and air conditioner of wave filter, air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073621A1 (en) * | 2018-10-08 | 2020-04-16 | 深圳市崧盛电子股份有限公司 | Lightning surge inhibiting circuit and drive power supply |
| WO2023029605A1 (en) * | 2021-08-31 | 2023-03-09 | 合肥美的暖通设备有限公司 | Alternating-current input circuit, electric control box, air-conditioning outdoor unit and air conditioner |
-
2017
- 2017-06-14 CN CN201720688976.1U patent/CN206790451U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073621A1 (en) * | 2018-10-08 | 2020-04-16 | 深圳市崧盛电子股份有限公司 | Lightning surge inhibiting circuit and drive power supply |
| WO2023029605A1 (en) * | 2021-08-31 | 2023-03-09 | 合肥美的暖通设备有限公司 | Alternating-current input circuit, electric control box, air-conditioning outdoor unit and air conditioner |
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