CN102721258A - Braking circuit assembly and refrigerator - Google Patents
Braking circuit assembly and refrigerator Download PDFInfo
- Publication number
- CN102721258A CN102721258A CN2012102376617A CN201210237661A CN102721258A CN 102721258 A CN102721258 A CN 102721258A CN 2012102376617 A CN2012102376617 A CN 2012102376617A CN 201210237661 A CN201210237661 A CN 201210237661A CN 102721258 A CN102721258 A CN 102721258A
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- braking circuit
- circulating fan
- electrically connected
- circuit
- refrigerator
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Abstract
The invention relates to a refrigerator, and in particular relates to a braking circuit assembly of a circulating fan of the refrigerator, and a refrigerator control circuit for controlling the circulating fan by using the braking circuit or the braking circuit assembly. when a refrigerator door is closed, the circulating fan is controlled by a door switch to be connected with a single-phase alternating current power supply and work normally; when the refrigerator door is opened, alternating current passing through the circulating fan is fast converted into direct current by the braking circuit, so as to lead the circulating fan to stop rotating fast, thus avoiding excessive heat exchange between the interior and the exterior of the refrigerator, and achieving the purpose of saving energy.
Description
Technical field
The present invention relates to refrigerator, especially relate to refrigerator circulating fan the braking circuit assembly and with the control circuit of the refrigerator of braking circuit or braking circuit assembly control circulating fan.
Background technology
Refrigerator is divided into derect refrigerated refrigerator and indirect-cooling refrigerator by refrigeration modes at present; The indirect-cooling refrigerator will force that air circulation makes the article fast cooling in the case through the fan in the case; Too much exchange with the outer heat energy of case in the case when preventing that chamber door from opening; Between cold refrigerator be provided with door switch, when opening chamber door, cut off rapidly the power supply of circulating fan in the case, make the slow stall of circulating fan; But because the inertia of fan, fan still moves the long time, and the more exchange of heat energy that case was interior and case is outer when chamber door was opened increases energy Consumption of Refrigerator.In the market showcase particularly, because power of fan is big, flabellum is heavy, the inertia of fan is bigger, and is more with the outer thermal energy exchange of case in the case when chamber door is opened, and therefore, considers from energy-conservation angle, is necessary very much the circulating fan of refrigerator is braked control.
Summary of the invention
Main purpose of the present invention be for solve in the refrigerator circulating fan since inertia cause when the chamber door of refrigerator is opened in the case with case outside thermal energy exchange too much; The problem that energy Consumption of Refrigerator increases provides a kind of braking circuit assembly and can brake the refrigerator circuit of control to the refrigerator circulating fan.
For realizing above-mentioned purpose, the invention provides a kind of braking circuit assembly, said braking circuit assembly comprises insulation box body, lid, door switch, braking circuit parts, circuit installation cavity and electrical connector.
Described door switch comprises that 1 to 2 is closed with door of refrigerator and switched, and opens and the switch that returns to normal with door of refrigerator; Described electrical connector comprises 1 to 2 supply terminals and 1 to 2 motor wiring end; Said braking circuit parts are the circuit in kind that are electrically connected and are connected into by the braking circuit principle by the braking circuit components and parts; It is installed in the circuit installation cavity in the braking circuit component insulation box body; Described braking circuit parts are by the requirement of braking circuit principle and the metallic object that stretches into the contact assembly of the door switch in the circuit installation cavity complete braking circuit that is electrically connected to form; Described braking circuit parts are electrically connected with the metallic object of terminals of electrical connector in stretching into the circuit installation cavity by the requirement of braking circuit principle, so that being electrically connected of braking circuit and single phase alternating current power supply and circulating fan; When single phase alternating current power supply and circulating fan through electrical connector and after braking circuit is electrically connected, close or open with door of refrigerator, the switching of control gate switch just can be controlled the running and the braking of single-phase AC motor.
The present invention also provides a kind of refrigerator, and it comprises compressor Control Cprant, defrosting control circuit, case intraoral illumination circuit and circulating fan control circuit; Said circulating fan control circuit comprises circulating fan and braking circuit, is electrically connected door switch in the said braking circuit; Said braking circuit is drawn 1 to 2 supply terminals, is drawn 1 to 2 motor wiring end.When braking circuit is only drawn 1 supply terminals and 1 motor wiring end, circulating fan be electrically connected on the single phase poaer supply after braking circuit is connected; When braking circuit is drawn 2 supply terminals and 2 motor wiring ends, it will be more simple that circuit connects, and the braking circuit supply terminals is electrically connected with single phase alternating current power supply, and the circulating fan two ends are electrically connected on braking circuit motor wiring end.When door of refrigerator was closed, door switch was connected the circulating fan AC power, and circulating fan runs well; When opening door of refrigerator, door switch makes circulating fan feed DC current and brakes.
Described braking circuit can be following circuit, and it comprises door switch, one-way SCR, one-way SCR circuits for triggering and fly-wheel diode; The one-way SCR control utmost point is electrically connected circuits for triggering; The one-way SCR anode and cathode is electrically connected on the moving contact and the Chang Kai static contact two ends of door switch, draws power line terminals from the static contact of often opening of door switch; The normally closed static contact of door switch is drawn another power line terminals after connecting a fly-wheel diode again, and the positive pole of fly-wheel diode is connected the positive terminal of the induced electromotive force that in stalling current diminishes process, is produced in the circulating fan coil; Draw a motor wiring end from the moving contact of door switch, draw another motor wiring end from the tie point of fly-wheel diode and power supply again.The two motor wiring ends that braking circuit is drawn are electrically connected on the circulating fan two ends, and the supply terminals that braking circuit is drawn is electrically connected on single phase alternating current power supply, and is in after the defrost clock.
When door of refrigerator was closed, the door switch normally open contact was the short circuit of controllable silicon anode and cathode, and the normally open contact a-b of circulating fan, door switch and single phase alternating current power supply constitute the closed-loop path, and circulating fan feeds alternating current, and circulating fan runs well; This moment since the one-way SCR anode and cathode by short circuit, the supply voltage of circuits for triggering also is zero, one-way SCR is in cut-off state.When chamber door was opened, the short circuit of one-way SCR anode and cathode was disengaged, and circuits for triggering are owing to supply voltage is normally worked; For the one-way SCR control utmost point provides trigger voltage; The one-way SCR conducting, at this moment, circulating fan, one-way SCR and single phase alternating current power supply constitute the closed-loop path; Circulating fan is through DC current, and circulating fan gets into on-position; When the delay time of circuits for triggering finished, one-way SCR control utmost point trigger voltage was zero, and when the voltage between one-way SCR sun negative electrode during less than certain value, the forward current of one-way SCR is less than keeping electric current, and one-way SCR turn-offs, end of braking.
The present invention provides a kind of refrigerator again; It comprises compressor Control Cprant, case intraoral illumination circuit; Illuminative for sign circuit, condenser cooling blower control circuit and circulating fan control circuit, said circulating fan control circuit comprises braking circuit assembly and circulating fan; Described braking circuit assembly is electrically connected with the corresponding terminal that is connected through two electrical connectors of circulating fan, single phase alternating current power supply; Close and open with door of refrigerator, just can control the running and the braking of circulating fan through the switching of the door opening and closing state in the braking circuit assembly.
The door switch contact that described braking circuit component mounting position can control in the time of should making door of refrigerator close or open in the braking circuit assembly switches, and makes the interior circulating fan of case be operated in running and on-position.
The invention has the beneficial effects as follows, when opening chamber door, can make the rapid stall of circulating fan in the case, reduced the exchange of the inside and outside heat energy of case, reduced energy Consumption of Refrigerator, practiced thrift the energy; In addition, braking circuit is simple in structure, and is with low cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Figure l is a refrigerator braking circuit assembly user mode sketch map.
Fig. 2 is the another user mode sketch map of refrigerator braking circuit assembly.
Fig. 3 is a refrigerator braking circuit assembly decomposing schematic representation.
Fig. 4 is the refrigerator schematic block circuit diagram.
Fig. 5 is the refrigerator first embodiment circuit theory diagrams.
Fig. 6 is the refrigerator second embodiment circuit theory diagrams.
The specific embodiment
Fig. 1, Fig. 2, Fig. 3 are the user mode and the exploded views of refrigerator braking circuit assembly, and the braking circuit assembly comprises insulation box body 101, lid 112, door switch 114, braking circuit parts 109, circuit installation cavity 110 and electrical connector 113.Described braking circuit parts 109 are the circuit in kind that are electrically connected and are connected into by the braking circuit principle by the braking circuit components and parts; Described door switch 114 comprises switch push rod 102; Push rod projection 103; Spring 104; Normally closed static contact assembly 105 and normally closed static contact c often open static contact assembly 107, often open static contact b and often open static contact terminals L2, the arc convex 108 on moving contact component 106, the movable contact spring, moving contact a and moving contact terminals M2; The metallic object of often opening static contact assembly 107, normally closed static contact assembly 105, moving contact component 106 and public coupling assembling 111 stretches in the circuit installation cavity 110, so that be electrically connected with braking circuit parts 109 by the requirement of braking circuit principle; Described electrical connector 113 comprises two motor wiring end M1, M2 and two single phase alternating current power supply terminals L1, L2; The circulating fan two ends are electrically connected on the M1, M2 two terminals of braking circuit electrical component connector 113, and single phase alternating current power supply is electrically connected on the L1, L2 two terminals of braking circuit electrical component connector 113.
When closing door of refrigerator, the switch push rod of braking circuit assembly 102 is pushed by chamber door, and switch push rod 102 overcomes in the active force of spring 104 and moves; Arc convex 108 on the movable contact spring of the push rod projection 103 pushing moving contact components 106 on the switch push rod 102; Compel normally closed interlock is broken off, promptly moving contact a and normally closed static contact c open a way, and normally open contact is closed; Be that moving contact a and Chang Kai static contact b connect, the braking circuit assembly is in state as shown in Figure 2; When opening door of refrigerator, when the pressing force of the switch push rod 102 of braking circuit assembly was cancelled, under the effect of spring 104, push rod 102 returned to normal, and moving contact a also returns to normal, i.e. a-c connection, a-b break off state as shown in Figure 1.
After braking circuit parts 109 and single phase alternating current power supply and circulating fan correctly are electrically connected, when closing chamber door, circulating fan and single phase alternating current power supply formation closed-loop path, circulating fan normal operation; When opening chamber door, braking circuit makes circulating fan feed DC current, plays braking action.
Fig. 4 is the refrigerator schematic block circuit diagram, and this circuit is made up of compressor Control Cprant, case intraoral illumination circuit and circulating fan control circuit 409; Compressor Control Cprant comprises compressor 403, starter 404, protector 405, temperature controller 406; Case intraoral illumination circuit comprises 408 of illuminating lamp 407 and door switch; Circulating fan control circuit 409 comprises circulating fan 401 and braking circuit 402, is electrically connected door switch in the braking circuit 402, and the door switch in the braking circuit 402 can be a linked switch with door switch 408, also can be two independently door switch.
When door of refrigerator was closed, the door switch in the braking circuit 402 was connected the AC power of circulating fan, and circulating fan 401 runs well; When opening door of refrigerator, door switch makes circulating fan 401 feed DC current through braking circuit and brakes.
Fig. 5 is the refrigerator first embodiment circuit theory diagrams, and this circuit is made up of compressor Control Cprant, defrosting control circuit, case intraoral illumination circuit and circulating fan control circuit; Compressor Control Cprant comprises compressor 403, starter 404, protector 405, temperature controller 406; The defrosting control circuit comprises defrost clock 503, defrosting temperature controller 504, Defrost heater 505, heater drain 506 and temperature insurance device 507; Case intraoral illumination circuit comprises 408 of illuminating lamp 407 and door switch; The circulating fan control circuit comprises circulating fan 401 and braking circuit 402.
Described braking circuit 402 comprises door switch K501, unidirectional controllable silicon S 501, one-way SCR circuits for triggering 501 and sustained diode 501; The control utmost point of unidirectional controllable silicon S 501 is electrically connected on circuits for triggering 501; Unidirectional controllable silicon S 501 anode and cathode are electrically connected on moving contact a and the Chang Kai static contact b two ends of door switch K501; The static contact b that often opens of door switch K501 draws a power line terminals L2, and the normally closed static contact c of door switch K501 draws another supply terminals L1 after connecting a sustained diode 501 again; Draw a motor wiring end M2 from the moving contact a of door switch K501, draw another motor wiring end M1 from the link of fly-wheel diode and power supply.Two motor wiring end M1 and M2 that braking circuit 402 is drawn are electrically connected on circulating fan two ends M1 ' and M2 '; Supply terminals L1 and L2 that braking circuit 402 is drawn are electrically connected on single phase alternating current power supply; And be in after the defrost clock, circulating fan is not worked when refrigerator reaches design temperature or is in defrost state.The positive pole of sustained diode 501 is connected the positive terminal of the induced electromotive force that in stalling current diminishes process, is produced in circulating fan 401 coils, and sustained diode 501 makes stalling current more level and smooth, and braking effect is better.
When door switch K501 normally open contact a-b closure; Be that suitable chamber door is when closing; Door switch K501 normally open contact a-b is unidirectional controllable silicon S 501 anode and cathode short circuits; Circulating fan 401, door switch K501 normally open contact a-b and single phase alternating current power supply constitute the closed-loop path, and circulating fan 401 feeds alternating current, and circulating fan 401 runs well; This moment since unidirectional controllable silicon S 501 anode and cathode by short circuit, the supply voltage of circuits for triggering 501 also is zero, unidirectional controllable silicon S 501 is in cut-off state.When door switch K501 normally closed interlock a-c closure, when promptly quite chamber door was opened, the short circuit of unidirectional controllable silicon S 501 anode and cathode was disengaged; Circuits for triggering 501 are owing to supply voltage is normally worked, and for the control utmost point of unidirectional controllable silicon S 501 provides trigger voltage, make unidirectional controllable silicon S 501 conductings; At this moment; Circulating fan 401, unidirectional controllable silicon S 501 and single phase alternating current power supply constitute the closed-loop path, and circulating fan 401 is through DC current, and circulating fan 401 gets into on-position; When the delay time of circuits for triggering 501 finishes; Unidirectional controllable silicon S 501 control utmost point trigger voltages are zero, and the voltage when between unidirectional controllable silicon S 501 anode and cathode is less than certain value, and the forward current of unidirectional controllable silicon S 501 is when keeping electric current; Unidirectional controllable silicon S 501 is turn-offed end of braking.
Fig. 6 is the refrigerator second embodiment circuit theory diagrams, promptly shows the refrigerator-freezer control circuit, and this circuit is made up of compressor Control Cprant, lighting circuit, condenser cooling blower control circuit and circulating fan control circuit; Compressor Control Cprant comprises compressor 403, starter 404, protector 405, temperature controller 406; Lighting circuit comprises case intraoral illumination lamp 407, Illuminative for sign lamp 605 and corresponding lamp switch 603 and 604; Condenser cooling blower 606 is connected in after the temperature controller 406, works asynchronously with compressor 403; The circulating fan control circuit comprises the electrical connector 602 and 113 of circulating fan 401 in the case, braking circuit assembly 601, blower fan braking circuit assembly, electrical connector 602 and 113 be connected to need only and be connected electrical connector 602 with 113 corresponding terminal M2, L2, L1, M1; Simpler the connection is to process the terminals correspondence to electrical connector 113 and 602 respectively and supporting public mother board, and braking circuit assembly 601 is connected through electrical connector 113 and 602 socket connections with circulating fan 401 and single phase alternating current power supply.About identical among the structure of braking circuit assembly 601 and operation principle and Fig. 1, no longer repeat at this.
The present invention is not limited to the foregoing description, based on simple replacement the foregoing description, that do not make creative work, should belong to the scope that the present invention discloses.
Claims (10)
1. braking circuit assembly is characterized in that: it comprises insulation box body (101), door switch (114), braking circuit parts (109), braking circuit installation cavity (110) and electrical connector (113);
Said door switch (114) comprises that 1 to 2 is closed with door of refrigerator and switched, and opens and the switch that returns to normal with door of refrigerator;
Said braking circuit parts (109) are the circuit in kind that is electrically connected and is connected into by the braking circuit principle by the braking circuit components and parts;
Be provided with the circuit installation cavity (110) that braking circuit parts (109) are installed in the described insulation box body (101);
Described braking circuit parts (109) are by the metallic object of the requirement of braking circuit principle and the contact assembly that stretches into the door switch (114) in the circuit installation cavity (110) the complete braking circuit that is electrically connected to form; Described braking circuit parts (109) are electrically connected by the metallic object of the terminals of the requirement of the braking circuit principle electrical connector (113) interior with stretching into circuit installation cavity (110);
Comprise 1 to 2 supply terminals and 1 to 2 motor wiring end in the said electrical connector (113).
2. braking circuit assembly according to claim 1 is characterized in that: described electrical connector (113) comprises the terminals (M1, M2) of two supply terminals (L1, L2) and two motor; Supply terminals (L1, L2) is used to be electrically connected single phase alternating current power supply, and the terminals of motor (M1, M2) are used to be electrically connected circulating fan (401).
3. braking circuit assembly according to claim 1 and 2, said door switch (114) comprises two linked switches (K501) and (408), and switch (K501) is used for braking circuit, and switch (408) is used for the control of case intraoral illumination lamp (407).
4. a refrigerator comprises compressor Control Cprant and circulating fan control circuit, it is characterized in that: comprise circulating fan (401) and braking circuit (402) in the said circulating fan control circuit; Said braking circuit (402) is pressed the braking circuit principle and is electrically connected with single phase alternating current power supply and circulating fan (401) respectively.
5. refrigerator according to claim 4; It is characterized in that: described braking circuit (402) is drawn a motor wiring end (M2) and a supply terminals (L2), and described braking circuit (402) is electrically connected on the single phase alternating current power supply after (M2) end is connected with circulating fan (401).
6. refrigerator according to claim 4 is characterized in that: described braking circuit (402) is drawn the terminals (M1, M2) of two supply terminals (L1, L2) and two motor; Supply terminals (L1, L2) is used to be electrically connected single phase alternating current power supply, and the terminals of motor (M1, M2) are used to be electrically connected circulating fan (402).
7. according to claim 4,5 or 6 described refrigerators, it is characterized in that: described braking circuit (402) comprises door switch (K501), one-way SCR (S501) and circuits for triggering (501); Said one-way SCR (S501) anode and cathode is electrically connected on door switch (K501) moving contact (a), often opens static contact (b) 2 points, and one-way SCR (S501) is electrically connected on the single phase alternating current power supply with the circuit that door switch (K501) is electrically connected again with after circulating fan (401) is connected; The control utmost point of said one-way SCR (S501) is electrically connected on circuits for triggering (501).
8. refrigerator according to claim 7 is characterized in that: described circulating fan (401) one ends are electrically connected door switch (K501) moving contact (a), and the other end is electrically connected on single phase alternating current power supply; Fly-wheel diode (D501) and the two ends that are parallel to circulating fan (401) after the normally closed interlock (a-c) of door switch (K501) is connected, the positive pole of fly-wheel diode (D501) is connected the positive pole of the induced electromotive force that in stalling current diminishes process, in circulating fan (401) coil, produces.
9. a refrigerator comprises compressor Control Cprant and circulating fan control circuit, it is characterized in that: said circulating fan control circuit comprises braking circuit assembly (601) and circulating fan (401); The connection of braking circuit assembly (601) is exactly to be electrically connected the terminals of the electrical connector of braking circuit assembly (601) (113) with single phase alternating current power supply and circulating fan (401) accordingly respectively.
10. refrigerator according to claim 9; It is characterized in that: comprise an electrical connector (602) in the described compressor Control Cprant, said electrical connector (602) comprise the binding post (L1, L2) that draws from power supply and draw self-loopa blower fan (401) binding post (M1, M2); Electrical connector (113) on the braking circuit assembly (601) is processed the corresponding and supporting public mother board of terminals with the electrical connector (602) in the compressor Control Cprant, and braking circuit assembly (601) is connected through electrical connector (113) and (602) socket connection with circulating fan (401) and single phase alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376617A CN102721258A (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376617A CN102721258A (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102721258A true CN102721258A (en) | 2012-10-10 |
Family
ID=46947085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102376617A Pending CN102721258A (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102721258A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047831A (en) * | 2012-12-30 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator |
| CN109764608A (en) * | 2018-12-26 | 2019-05-17 | 青岛海尔股份有限公司 | For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3502050A1 (en) * | 1985-01-23 | 1986-07-24 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | DEVICE FOR MEASURING AND / OR REGULATING A BRAKE FORCE AND / OR A BRAKE TORQUE |
| FR2691690A1 (en) * | 1992-05-26 | 1993-12-03 | Bendix Europ Services Tech | Single distributor braking device for anti-lock and traction control. |
| CN1206100A (en) * | 1997-07-23 | 1999-01-27 | 三星电子株式会社 | Method for controlling opening/closing of cool air discharge ports of refrigerator |
| CN202792802U (en) * | 2012-07-10 | 2013-03-13 | 谢延亮 | Braking circuit assembly and refrigerator |
-
2012
- 2012-07-10 CN CN2012102376617A patent/CN102721258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3502050A1 (en) * | 1985-01-23 | 1986-07-24 | Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover | DEVICE FOR MEASURING AND / OR REGULATING A BRAKE FORCE AND / OR A BRAKE TORQUE |
| FR2691690A1 (en) * | 1992-05-26 | 1993-12-03 | Bendix Europ Services Tech | Single distributor braking device for anti-lock and traction control. |
| CN1206100A (en) * | 1997-07-23 | 1999-01-27 | 三星电子株式会社 | Method for controlling opening/closing of cool air discharge ports of refrigerator |
| CN202792802U (en) * | 2012-07-10 | 2013-03-13 | 谢延亮 | Braking circuit assembly and refrigerator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047831A (en) * | 2012-12-30 | 2013-04-17 | 合肥华凌股份有限公司 | Refrigerator |
| CN103047831B (en) * | 2012-12-30 | 2015-01-21 | 合肥华凌股份有限公司 | Refrigerator |
| CN109764608A (en) * | 2018-12-26 | 2019-05-17 | 青岛海尔股份有限公司 | For the control system of refrigerating plant, its control method and can auto-manual defrost refrigerator |
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Application publication date: 20121010 |