CN205991659U - A kind of novel fridge automatic defrosting circuit - Google Patents
A kind of novel fridge automatic defrosting circuit Download PDFInfo
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- CN205991659U CN205991659U CN201620989617.5U CN201620989617U CN205991659U CN 205991659 U CN205991659 U CN 205991659U CN 201620989617 U CN201620989617 U CN 201620989617U CN 205991659 U CN205991659 U CN 205991659U
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- filter capacitor
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Abstract
The utility model discloses a kind of novel fridge automatic defrosting circuit, including illuminating lamp, temperature controller, temperature protector, Defrost heater and Heating protector, described illuminating lamp is by being connected in series lamp switch, described lamp switch is by being connected in series temperature controller, described temperature controller connects temperature protector in parallel, described temperature protector is by being connected in series compressor, described compressor connects trigger in parallel, described trigger connects Defrost heater in parallel, described Defrost heater is by being connected in series Heating protector, described Heating protector side is provided with transformator B, described transformator B is provided with filter capacitor C1 in parallel away from Heating protector side.This utility model, after changing circuit, can make Defrost heater periodically work in defrosting, can defrost, the temperature inside the box can be suppressed to rise too fast again, the purpose reaching energy-conservation and improving refrigerating efficiency, and this method is equally applicable to time defrosting circuit.
Description
Technical field
This utility model is related to refrigerator technical field, specially a kind of novel fridge automatic defrosting circuit.
Background technology
It is designed with defroster, Defrost mode is generally divided in general household electric refrigerator：Artificial defrosting, semiautomatic defrosting,
Full-automatic defrosting etc..
In electric refrigerator, the most frequently used survey automatic defrosting circuit typically has two ways：The first：Cycle defrosts, when compressor stops
When only working (temperature controller cut-out), defrosting electric heater automatically into heated condition, in this process, melted by the frost layer of vaporizer
Change, when the compressor is operated, defrosting circuit is automatically stopped work.Second：Time defrosting circuit, is controlled by the time relay and removes
White heater, defrosts in the set time daily, be typically set in refrigerator service efficiency minimum when defrosted, such as at night two
O'clock etc..The start-stop cycle is also had to add defrost button；By accumulated running time defrosting, by door opening times defrosting, remove by frosting thickness
The modes such as frost.
The above automatic defrosting mode, mainly carries out forcing defrosting, this method using electric heater heat temperature raising
On the one hand employ heating element heater, tens watts of electric energy will be consumed, increased the power consumption of electric refrigerator；Another aspect heater exists
Give out certain heat during heating defrosting, improve the temperature in case, shorten the time of compressor parking, cause ice
The working cycle of case accelerates, and also increases power consumption.
Utility model content
The purpose of this utility model is to provide a kind of novel fridge automatic defrosting circuit, possesses in defrosting, can make
Defrost heater periodically works, and can defrost, and the temperature inside the box can be suppressed to rise too fast again, reaches energy-conservation and improves refrigeration effect
The purpose of rate, the setting of vibration start-stop ratio, determine situations such as the volume of electric refrigerator to be regarded, change C and R just can change start-stop
1/2 to 1/3 to be economized on electricity than, the defrosting circuit after improvement than primary circuit.
For achieving the above object, this utility model provides following technical scheme：A kind of novel fridge automatic defrosting circuit,
Including illuminating lamp, temperature controller, temperature protector, Defrost heater and Heating protector, described illuminating lamp passes through serial-connection light
Switch, by being connected in series temperature controller, described temperature controller connects temperature protector to described lamp switch in parallel, and described temperature is protected
By being connected in series compressor, described compressor connects trigger to shield device in parallel, and described trigger connects in parallel to be removed
White heater, by being connected in series Heating protector, described Heating protector side is provided with transformator B to described Defrost heater,
Described transformator B is provided with filter capacitor C1 in parallel away from Heating protector side, and described filter capacitor C1 connects in parallel
Meet filter capacitor C2, described filter capacitor C2 is provided with resistance R in parallel, and described filter capacitor C1 is by being connected in series ammeter
IC1, described ammeter IC1 are provided with ammeter IC2 in parallel, and described ammeter IC2 is provided with driving relay J in parallel.
Preferably, described ammeter IC1, transformator B, filter capacitor C1 and filter capacitor C2 composition direct current regulation circuit.
Preferably, described ammeter IC2 and resistance R composition multivibrator.
Preferably, described transformator B and compressor operating winding composition loop.
Preferably, the oscillating circuit in described multivibrator will be switched on and off driving relay J by setting cycle.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this utility model passes through to arrange Defrost heater and Heating protector, can be effectively by the frost layer in electric refrigerator
Thaw, be allowed to disappear, improve work efficiency.
2nd, this utility model passes through to arrange temperature controller and temperature protector, can keep the temperature in controlled range,
Avoid the occurrence of the too high or too low phenomenon of temperature.
Brief description
Fig. 1 is this utility model electrical block diagram；
In figure：1 illuminating lamp, 2 lamp switches, 3 temperature controllers, 4 temperature protectors, 5 compressors, 6 triggers,
7 Defrost heaters, 8 Heating protectors, 9 transformator B, 10 filter capacitor C1,11 filter capacitor C2,12 resistance
R, 13 ammeter IC1,14 ammeter IC2,15 drive relay J.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, this utility model provides a kind of technical scheme：A kind of novel fridge automatic defrosting circuit, including
Illuminating lamp 1, temperature controller 3, temperature protector 4, Defrost heater 7 and Heating protector 8, described illuminating lamp 1 passes through to be connected in series
Lamp switch 2, by being connected in series temperature controller 3, described temperature controller 3 connects temperature protector 4, institute to described lamp switch 2 in parallel
State temperature protector 4 by being connected in series compressor 5, described compressor 5 connects trigger 6 in parallel, described trigger 6 is led to
Cross and be connected in parallel Defrost heater 7, described Defrost heater 7 is by being connected in series Heating protector 8, described Heating protector 8
Side is provided with transformator B9, and described transformator B9 is provided with filter capacitor C110 in parallel away from Heating protector 8 side, described
Filter capacitor C110 connects filter capacitor C211 in parallel, and described filter capacitor C211 is provided with resistance R12 in parallel, described
Filter capacitor C110 is provided with ammeter IC214, institute in parallel by being connected in series ammeter IC113, described ammeter IC113
State ammeter IC214 and be provided with driving relay J15 in parallel.
Described ammeter IC113, transformator B9, filter capacitor C110 and filter capacitor C211 composition direct current regulation circuit,
Described ammeter IC214 and resistance R12 composition multivibrator, described transformator B9 and compressor 5 run winding composition loop,
Oscillating circuit in described multivibrator will be switched on and off driving relay J15 by setting cycle.
Operation principle：The outfan of ammeter IC214, directly drives relay J15, when temperature controller 3 switch OFF, by
Transformator B9 and compressor 5 run winding composition loop, and big department is dropped on the transformer by voltage, makes transformator B9 secondary coil
Output 12V alternating voltage, after rectified voltage stabilizing, is supplied to oscillating circuit.Oscillating circuit will be switched on and off driving by setting cycle
Motor type relay J15, thus periodically control the power supply of Defrost heater 7.When temperature controller 3 is connected, transformator B9 primary line
Circle is shorted, and secondary does not have output voltage, and agitator does not work, and drives relay J15 release, the electricity of cut-out Defrost heater 7
Source, this makes whole device not consume electric energy.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of novel fridge automatic defrosting circuit, adds including illuminating lamp (1), temperature controller (3), temperature protector (4), defrosting
Hot device (7) and Heating protector (8) it is characterised in that：Described illuminating lamp (1) is opened by being connected in series lamp switch (2), described lamp
Close (2) by being connected in series temperature controller (3), described temperature controller (3) connects temperature protector (4) in parallel, described temperature is protected
By being connected in series compressor (5), described compressor (5) connects trigger (6), described trigger (6) to shield device (4) in parallel
Connect Defrost heater (7) in parallel, described Defrost heater (7) is by being connected in series Heating protector (8), described heating
Protector (8) side is provided with transformator B (9), and described transformator B (9) is provided with filter in parallel away from Heating protector (8) side
Ripple electric capacity C1 (10), described filter capacitor C1 (10) connects filter capacitor C2 (11), described filter capacitor C2 (11) in parallel
It is provided with resistance R (12) in parallel, described filter capacitor C1 (10) is by being connected in series ammeter IC1 (13), described ammeter
IC1 (13) is provided with ammeter IC2 (14) in parallel, and described ammeter IC2 (14) is provided with driving relay J in parallel
(15).
2. a kind of novel fridge automatic defrosting circuit according to claim 1 it is characterised in that：Described ammeter IC1
(13), transformator B (9), filter capacitor C1 (10) and filter capacitor C2 (11) composition direct current regulation circuit.
3. a kind of novel fridge automatic defrosting circuit according to claim 1 it is characterised in that：Described ammeter IC2
(14) and resistance R (12) composition multivibrator.
4. a kind of novel fridge automatic defrosting circuit according to claim 1 it is characterised in that：Described transformator B (9)
Run winding composition loop with compressor (5).
5. a kind of novel fridge automatic defrosting circuit according to claim 3 it is characterised in that：Described multivibrator
In oscillating circuit will by setting cycle be switched on and off drive relay J (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989617.5U CN205991659U (en) | 2016-08-30 | 2016-08-30 | A kind of novel fridge automatic defrosting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989617.5U CN205991659U (en) | 2016-08-30 | 2016-08-30 | A kind of novel fridge automatic defrosting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205991659U true CN205991659U (en) | 2017-03-01 |
Family
ID=58105523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620989617.5U Expired - Fee Related CN205991659U (en) | 2016-08-30 | 2016-08-30 | A kind of novel fridge automatic defrosting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205991659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425372A (en) * | 2017-08-31 | 2019-03-05 | 德州仪器公司 | It is gathered using capacitance sensing frost and ice |
-
2016
- 2016-08-30 CN CN201620989617.5U patent/CN205991659U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425372A (en) * | 2017-08-31 | 2019-03-05 | 德州仪器公司 | It is gathered using capacitance sensing frost and ice |
| US11371954B2 (en) | 2017-08-31 | 2022-06-28 | Texas Instruments Incorporated | Sensing frost and ice accumulation using capacitance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20180830 |