CN202792802U - Braking circuit assembly and refrigerator - Google Patents
Braking circuit assembly and refrigerator Download PDFInfo
- Publication number
- CN202792802U CN202792802U CN 201220332976 CN201220332976U CN202792802U CN 202792802 U CN202792802 U CN 202792802U CN 201220332976 CN201220332976 CN 201220332976 CN 201220332976 U CN201220332976 U CN 201220332976U CN 202792802 U CN202792802 U CN 202792802U
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- braking circuit
- circulating fan
- refrigerator
- circuit
- electrically connected
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- Expired - Fee Related
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a control circuit of a circulating fan of a refrigerator and a braking circuit assembly of the circulating fan of the refrigerator. The control circuit of the circulating fan of the refrigerator comprises the circulating fan and a braking circuit containing a door switch inside which are connected in an electric mode based on a braking circuit principle, or the circulating fan and a one-phase alternating current power supply are respectively and correspondingly connected with the control circuit of the circulating fan of the refrigerator through a terminal of an electric connecting piece of the braking circuit assembly in an electric mode. The braking circuit assembly comprises the door switch, a braking circuit part, and the electric connecting piece, wherein the door switch, the braking circuit part, and the electric connecting piece are installed inside an insulation box body and are in electric connection based on the braking circuit principle. When a refrigerator door is closed, the door switch is used for controlling the circulating fan to be communicated with the one-phase alternating current power supply. When the refrigerator door is opened, alternating current passing through the circulating fan is exchanged into direct current quickly through the braking circuit so as to enable the circulating fan to stop turning quickly, and therefore over exchange of heat energy inside the refrigerator and outside the refrigerator is avoided and the aim of energy conservation is achieved.
Description
Technical field
The utility model 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 controlled circulation blower 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 by the fan in the case that air circulation makes the article fast cooling in the case, when preventing that chamber door from opening in the case and the outer heat energy of case too much exchange, 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 large, flabellum is heavy, the inertia of fan is larger, when chamber door is opened in the case and the outer thermal energy exchange of case more, therefore, consider from Energy Angle, be necessary very much the circulating fan of refrigerator is braked control.
Summary of the invention
Main purpose of the present utility model be in order to solve the circulating fan in the refrigerator because inertia causes when the chamber door of refrigerator is opened in the case and 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 to the refrigerator circulating fan refrigerator circuit of control.
For achieving the above object, the utility model provides a kind of braking circuit assembly, and described braking circuit assembly comprises insulation box body, lid, door switch one, braking circuit parts, circuit installation cavity and electrical connector.
Described door switch one comprises that 1 to 2 is closed with door of refrigerator and is 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; Described 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 interior circuit installation cavity of 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 one 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 by electrical connector with after braking circuit is electrically connected, close or open with door of refrigerator, the switching of control gate switch one just can be controlled running and the braking of single-phase AC motor.
The utility model also provides a kind of refrigerator, and it comprises compressor Control Cprant, defrosting control circuit, case intraoral illumination circuit and circulating fan control circuit; Described circulating fan control circuit comprises circulating fan and braking circuit, is electrically connected door switch two in the described braking circuit; Described 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 draw 2 supply terminals one, two and 2 motor wiring ends one, two the time, it will be more simple that circuit connects, braking circuit supply terminals one, two 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 one, two.When door of refrigerator was closed, door switch two was connected the circulating fan AC power, and circulating fan runs well; When opening door of refrigerator, door switch two makes circulating fan pass into DC current and brakes.
Described braking circuit can be following circuit, and it comprises door switch two, 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 moving contact and the Chang Kai static contact two ends of door switch two, draws power line terminals two from the static contact of often opening of door switch two; The normally closed static contact of door switch two is drawn another supply terminals one after connecting a fly-wheel diode again, and the positive pole of fly-wheel diode is connected to the positive terminal of the induced electromotive force that produces in the circulating fan coil in stalling current diminishes process; Draw a motor wiring end two from the moving contact of door switch two, draw another motor wiring end one from the tie point of fly-wheel diode and power supply again.The two motor wiring ends one, two that braking circuit is drawn are electrically connected on the circulating fan two ends, this moment fly-wheel diode with the two ends that are parallel to circulating fan after the normally closed interlock (a-c) of door switch two is connected, the supply terminals one, two 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, door switch two normally open contacts were the short circuit of controllable silicon anode and cathode, and the normally open contact a-b of circulating fan, door switch two and single phase alternating current power supply consist of the closed-loop path, and circulating fan passes into 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 is opened, the short circuit of one-way SCR anode and cathode is disengaged, 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 consist of the closed-loop path, circulating fan is by DC current, and circulating fan enters 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 utility model provides again a kind of refrigerator, it comprises compressor Control Cprant, case intraoral illumination circuit, Illuminative for sign circuit, condenser cooling blower control circuit and circulating fan control circuit, described 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 by two electrical connectors of circulating fan, single phase alternating current power supply; Close and open with door of refrigerator, just can control running and the braking of circulating fan by the switching of door switch one state in the braking circuit assembly.
Door switch one 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 beneficial effects of the utility model are, can make the rapid stall of circulating fan in the case when opening chamber door, have reduced the exchange of the inside and outside heat energy of case, have reduced energy Consumption of Refrigerator, have saved the energy; In addition, braking circuit is simple in structure, and is with low cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Figure l is that refrigerator braking circuit assembly uses view.
Fig. 2 is the another use view of refrigerator braking circuit assembly.
Fig. 3 is refrigerator braking circuit assembly decomposing schematic representation.
Fig. 4 is the refrigerator schematic block circuit diagram.
Fig. 5 is refrigerator the first embodiment circuit theory diagrams.
Fig. 6 is refrigerator the second embodiment circuit theory diagrams.
The specific embodiment
Fig. 1, Fig. 2, Fig. 3 are use state and the exploded views of refrigerator braking circuit assembly, and the braking circuit assembly comprises insulation box body 101, lid 112, door switch 1, 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 1 comprises switch push rod 102, push rod projection 103, spring 104, normally closed static contact component 105 and normally closed static contact c, often open static contact component 107, often open static contact b and often open supply terminals two L2 that static contact is electrically connected, motor wiring end two M2 that the arc convex 108 on moving contact component 106, the movable contact spring, moving contact a and moving contact are electrically connected; The metallic object of often opening static contact component 107, normally closed static contact component 105, moving contact component 106 and public coupling assembling 111 stretches in the circuit installation cavity 110, in order to be electrically connected with braking circuit parts 109 by the requirement of braking circuit principle; Described electrical connector 113 comprises two motor wiring end one M1, two M2 and two single phase alternating current power supply terminals one L1, two L2, the circulating fan two ends are electrically connected on motor wiring end one M1, motor wiring end two M2 two terminals of braking circuit electrical component connector 113, and single phase alternating current power supply is electrically connected on supply terminals one L1, supply terminals two L2 two terminals of braking circuit electrical component connector 113.
When closing door of refrigerator, the switch push rod 102 of braking circuit assembly is pressed by chamber door, 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 disconnected, namely 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 as shown in Figure 2 state; 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 disconnect, as shown in Figure 1 state.
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 pass into DC current, plays braking action.
Fig. 4 is the refrigerator schematic block circuit diagram, and this circuit is comprised 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 illuminating lamp 407 and door switch 3 408; Circulating fan control circuit 409 comprises circulating fan 401 and braking circuit 402, braking circuit 402 interior electrical connection door switch two, and the door switch two in the braking circuit 402 can be linked switch with door switch 3 408, also can be two independently door switch.
When door of refrigerator was closed, the door switch two 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 two makes circulating fan 401 pass into DC current by braking circuit and brakes.
Fig. 5 is refrigerator the first embodiment circuit theory diagrams, and this circuit is comprised 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 illuminating lamp 407 and door switch 3 408; The circulating fan control circuit comprises circulating fan 401 and braking circuit 402.
Described braking circuit 402 comprises door switch two 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 two K501, the static contact b that often opens of door switch two K501 draws power line terminals two L2, and the normally closed static contact c of door switch two K501 draws another supply terminals one L1 after connecting a sustained diode 501 again; Draw a motor wiring end two M2 from the moving contact a of door switch two K501, draw another motor wiring end one M1 from the link of fly-wheel diode and power supply.Two motor wiring ends, one M1 and two M2 that braking circuit 402 is drawn are electrically connected on circulating fan two ends M1 ' and M2 ', fly-wheel diode this moment (D501) and the two ends that are parallel to circulating fan (401) after the normally closed interlock (a-c) of door switch two (K501) is connected, supply terminals one L1 and two 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 to the positive terminal of the induced electromotive force that produces in circulating fan 401 coils in stalling current diminishes process, sustained diode 501 makes stalling current more level and smooth, and braking effect is better.
When door switch two K501 normally open contact a-b closure, be that suitable chamber door is when closing, door switch two K501 normally open contact a-b are unidirectional controllable silicon S 501 anode and cathode short circuits, circulating fan 401, door switch two K501 normally open contact a-b and single phase alternating current power supply consist of the closed-loop path, circulating fan 401 passes into 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 two K501 normally closed interlock a-c closure, be that suitable chamber door is when opening, the short circuit of unidirectional controllable silicon S 501 anode and cathode is 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 consist of the closed-loop path, and circulating fan 401 is by DC current, and circulating fan 401 enters 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 refrigerator the second embodiment circuit theory diagrams, namely shows the refrigerator-freezer control circuit, and this circuit is comprised 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, braking circuit assembly 601, blower fan braking circuit assembly in the case, and as long as electrical connector 602 is with the connection of being connected electrical connector 602 and corresponding terminal M2, the L2 of being connected, L1, M1 connection; Simpler connection is that electrical connector 113 and 602 is made respectively the corresponding and supporting male and female plug-in unit of terminals, and braking circuit assembly 601 is connected with single phase alternating current power supply with circulating fan 401 and is connected by electrical connection 113 and 602 socket connections.About identical among the structure of braking circuit assembly 601 and operation principle and Fig. 1, no longer repeat at this.
The utility model is not limited to above-described embodiment, based on simple replacement above-described embodiment, that do not make creative work, should belong to the scope that the utility model discloses.
Claims (12)
1. braking circuit assembly is characterized in that: it comprises insulation box body (101), door switch one (114), braking circuit parts (109), circuit installation cavity (110) and electrical connector (113);
Described 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 one (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).
2. braking circuit assembly according to claim 1 is characterized in that: described door switch one (114) comprises that 1 to 2 is closed with door of refrigerator and is switched, and opens and the switch that returns to normal with door of refrigerator.
3. braking circuit assembly according to claim 1 is characterized in that: comprise 1 to 2 supply terminals and 1 to 2 motor wiring end in the described electrical connector (113).
4. it is characterized in that according to claim 1 or 3 described braking circuit assemblies: described electrical connector (113) comprises two supply terminals one, two (L1, L2) and two motor wiring ends one, two (M1, M2); Supply terminals one, two (L1, L2) is used for being electrically connected single phase alternating current power supply, and motor wiring end one, two (M1, M2) is used for being electrically connected circulating fan (401).
5. a refrigerator comprises compressor Control Cprant and circulating fan control circuit (409), it is characterized in that: comprise circulating fan (401) and braking circuit (402) in the described circulating fan control circuit (409); Described 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.
6. refrigerator according to claim 5, it is characterized in that: be electrically connected door switch two (K501) in the braking circuit (402) in the described circulating fan control circuit (409), door switch two (K501) in the braking circuit (402) can be linked switch with door switch three (408), also can be two independently door switch.
7. refrigerator according to claim 5, it is characterized in that: described braking circuit (402) is drawn a motor wiring end two (M2) and a supply terminals two (L2), and described braking circuit (402) is electrically connected on the single phase alternating current power supply after motor wiring end two (M2) end is connected with circulating fan (401).
8. refrigerator according to claim 5 is characterized in that: described braking circuit (402) is drawn two supply terminals one, two (L1, L2) and two motor wiring ends one, two (M1, M2); Supply terminals one, two (L1, L2) is used for being electrically connected single phase alternating current power supply, and motor wiring end one, two (M1, M2) is used for being electrically connected circulating fan (402).
9. according to claim 5,6,7 or 8 described refrigerators, it is characterized in that: described braking circuit (402) comprises door switch two (K501), one-way SCR (S501) and circuits for triggering (501); Described one-way SCR (S501) anode and cathode is electrically connected on door switch two (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 again with after circulating fan (401) is connected with the circuit that door switch two (K501) is electrically connected; The control utmost point of described one-way SCR (S501) is electrically connected on circuits for triggering (501).
10. refrigerator according to claim 9 is characterized in that: described circulating fan (401) one ends are electrically connected door switch two (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 two (K501) is connected; The positive pole of fly-wheel diode (D501) is connected to the positive pole of the induced electromotive force that produces in circulating fan (401) coil in stalling current diminishes process.
11. a refrigerator comprises compressor Control Cprant and circulating fan control circuit, it is characterized in that: described circulating fan control circuit comprises braking circuit assembly (601) and circulating fan (401); The connection of braking circuit assembly (601) is exactly that the terminals of the electrical connector of braking circuit assembly (601) (113) are electrically connected with single phase alternating current power supply and circulating fan (401) respectively accordingly.
12. refrigerator according to claim 11, it is characterized in that: comprise an electrical connector (602) in the described compressor Control Cprant, described electrical connector (602) comprises and draws from two supply terminals one, two (L1, L2) of power supply and draw two motor wiring ends one, two (M1, M2) of self-loopa blower fan (401); Electrical connector (113) on the braking circuit assembly (601) is made male and female plug-in unit corresponding to terminals with the electrical connector (602) in the compressor Control Cprant, and braking circuit assembly (601) and circulating fan (401) are connected with single phase alternating current power supply and are connected by electrical connector (113) and (602) socket connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332976 CN202792802U (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332976 CN202792802U (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792802U true CN202792802U (en) | 2013-03-13 |
Family
ID=47820054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220332976 Expired - Fee Related CN202792802U (en) | 2012-07-10 | 2012-07-10 | Braking circuit assembly and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721258A (en) * | 2012-07-10 | 2012-10-10 | 谢延亮 | Braking circuit assembly and refrigerator |
-
2012
- 2012-07-10 CN CN 201220332976 patent/CN202792802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721258A (en) * | 2012-07-10 | 2012-10-10 | 谢延亮 | Braking circuit assembly and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |