CN217383507U - High-efficient adjustable freezer electrical control system - Google Patents
High-efficient adjustable freezer electrical control system Download PDFInfo
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- CN217383507U CN217383507U CN202220417045.9U CN202220417045U CN217383507U CN 217383507 U CN217383507 U CN 217383507U CN 202220417045 U CN202220417045 U CN 202220417045U CN 217383507 U CN217383507 U CN 217383507U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model relates to a high-efficiency adjustable refrigerator electrical control system, which comprises a circuit protection loop, a voltage transformation rectification loop, a sensor voltage division loop, a control chip, a control button loop, a buzzer control loop, a press relay control loop, a fan control loop, a triode control loop and a digital display loop; the circuit protection loop is sequentially connected with a voltage transformation rectifying loop, a sensor voltage division loop and a control chip through a circuit; the control chip is respectively connected with the voltage transformation rectifying circuit, the control button circuit, the buzzer control circuit, the press relay control circuit, the fan control circuit and the triode control circuit through circuits; the voltage transformation rectifying circuit is respectively connected with the press relay control circuit and the fan control circuit together through lines; the triode control loop is connected with a digital display loop through a line.
Description
Technical Field
The utility model belongs to the technical field of control system is relevant, concretely relates to high-efficient adjustable freezer electrical control system.
Background
The parts such as the compressor, fan, display panel of the inside of freezer all adopt the wire to concatenate together, and these parts that concatenate are controlled through a set of complete electrical system, and operating personnel sends the instruction to control system through outside display panel to can realize the regulation and control to each part function of freezer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a regulation and control effectual, signal output is stable and control simple high-efficient adjustable freezer electrical control system.
In order to achieve the above purpose, the utility model provides a following technical scheme: an efficient adjustable electric control system of a refrigerator comprises a circuit protection loop, a variable-voltage rectification loop, a sensor voltage division loop, a control chip, a control button loop, a buzzer control loop, a press relay control loop, a fan control loop, a triode control loop and a digital display loop; the circuit protection loop is sequentially connected with a voltage transformation rectifying loop, a sensor voltage division loop and a control chip through a circuit; the control chip is respectively connected with the voltage transformation rectifying circuit, the control button circuit, the buzzer control circuit, the press relay control circuit, the fan control circuit and the triode control circuit through circuits; the voltage transformation rectifying circuit is respectively connected with the press relay control circuit and the fan control circuit together through lines; the triode control loop is connected with a digital display loop through a line.
The circuit protection loop comprises a protection loop interface, a diode, a first protection loop resistor, a second protection loop resistor, a third protection loop resistor and a protection loop capacitor; the diode, the first protection loop resistor and the second protection loop resistor are connected in series through a circuit; the diode is communicated with a protection loop interface; the output end of the diode and the input end of the first protection loop resistor are connected with a third protection loop resistor in parallel through a line; two ends of the second protection loop resistor are connected with a protection loop capacitor in parallel through a circuit; the circuit protection loop is grounded by adopting a lead.
The voltage transformation rectifying circuit comprises a first rectifying circuit interface, a first rectifying circuit capacitor, a second rectifying circuit capacitor, a third rectifying circuit capacitor, a three-stage voltage regulator tube and a fourth rectifying circuit capacitor; the three-stage voltage regulator tube is connected with a first rectification loop capacitor, a second rectification loop capacitor, a third rectification loop capacitor and a fourth rectification loop capacitor in parallel through a circuit; a wiring terminal is led out of the three-stage voltage-stabilizing tube through a circuit; and a second rectification loop interface, a third rectification loop interface, a fourth rectification loop interface and a fifth rectification loop interface are led out of the wiring terminal.
The sensor voltage division loop comprises a first voltage division loop interface, a first voltage division loop resistor, a second voltage division loop resistor, a voltage division loop capacitor, a second voltage division loop interface and a third voltage division loop interface; the first voltage division loop resistor and the second voltage division loop resistor are connected in parallel and then connected with a first voltage division loop interface and a voltage division loop capacitor through a line; the voltage division loop capacitor is grounded by adopting a lead; the second voltage division loop resistor is connected with a second voltage division loop interface; the first voltage division loop resistor is connected with a third voltage division loop interface.
As a further improvement of the present invention, the button control circuit includes a first button circuit interface, a second button interface, a first button circuit resistor, a second button circuit resistor, and a control button; the first button loop resistor and the second button loop resistor are connected in parallel and then connected with a control button through a circuit; the control button is grounded by adopting a lead; the first button loop resistor is connected with a first button loop interface; and the second button loop resistor is connected with a second button interface.
As a further improvement of the present invention, the buzzer control circuit comprises a first buzzer circuit interface, a buzzer circuit resistor, a buzzer circuit triode, a buzzer, and a second buzzer circuit interface; the buzzer loop resistor, the buzzer loop triode and the buzzer are sequentially connected in series by adopting a circuit; the buzzer loop resistor is connected with a first buzzer loop interface; the triode of the buzzer loop is grounded by adopting a conducting wire; the buzzer is connected with a second buzzer loop interface.
As a further improvement of the present invention, the press relay control circuit includes a first relay circuit interface, a relay circuit resistor, a relay circuit triode, and a second relay circuit interface; the relay loop resistor and the relay loop triode are connected in series by adopting a circuit; the relay loop resistor is connected with a first relay loop interface; the triode of the relay loop is grounded by adopting a conducting wire; and a triode of the relay loop is communicated with a second relay loop interface.
As a further improvement of the present invention, the fan control circuit includes a first fan circuit interface, a fan circuit resistor, a fan circuit triode, and a second fan circuit interface; the fan loop resistor and the fan loop triode are connected in series by adopting a line; the fan loop resistor is connected with a first fan loop interface; the fan loop triode is grounded by adopting a conducting wire; and the fan loop triode is communicated with a second fan loop interface.
As a further improvement of the present invention, the triode control circuit comprises a first diode circuit interface, a diode circuit resistor, a diode circuit triode and a second diode circuit interface; the polar tube loop resistor and the polar tube loop triode are connected in series by adopting a circuit; the pole tube loop resistor is connected with a first pole tube loop interface; the polar tube loop triode is grounded by adopting a lead; and the triode of the polar tube loop is communicated with a second diode loop interface.
As a further improvement of the present invention, the digital display circuit comprises a digital display screen; the digital display screen is externally connected with a display loop interface.
As a further improvement of the present invention, the protection circuit interface is butted with the first rectification circuit interface; the second rectification loop interface is in butt joint with the second fan loop interface; the third rectifying loop interface is butted with the control chip; the fourth rectifying loop interface is butted with the first voltage division loop interface; the fifth rectifying circuit interface is in butt joint with the second relay circuit interface; the second voltage division loop interface is butted with the control chip; the first button loop interface is butted with the control chip; the first buzzer loop interface is butted with the control chip; the first relay loop interface is butted with the control chip; the first fan loop interface is butted with the control chip; the first pole tube loop interface is butted with the control chip; the second diode loop interface is butted together with the display loop interface.
As a further improvement, the third voltage division loop interface, the second button loop interface and the second buzzer loop interface are communicated with an external power line through a transformer.
As a further improvement of the utility model, the model of the control chip is STM8S003F 3P.
Compared with the prior art, the beneficial effects of the utility model are that: according to the technical scheme, the control chip is communicated with the button control loop through a line, and the control and adjustment of each loop can be realized through the button control loop; the control chip of the technical scheme is also communicated with a buzzer control loop, a buzzer is arranged in the buzzer control loop, and the buzzer can make a sound, so that the alarm function is achieved; according to the technical scheme, the signal collection and signal transmission of the whole electric system are realized by adopting one control chip, so that the signal transmission among all parts is more stable, and the regulation and control are more concise and convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal connection structure of the circuit protection circuit of the present invention.
Fig. 3 is a schematic diagram of the internal connection structure of the voltage transformation rectifying circuit of the present invention.
Fig. 4 is the schematic diagram of the internal connection structure of the sensor voltage-dividing loop of the present invention.
Fig. 5 is a schematic view of the internal connection structure of the button control circuit of the present invention.
Fig. 6 is a schematic diagram of the internal connection structure of the buzzer control circuit of the present invention.
Fig. 7 is the utility model discloses a press relay control circuit internal connection structure sketch map.
Fig. 8 is the schematic diagram of the internal connection structure of the fan control circuit of the present invention.
Fig. 9 is a schematic diagram of the internal connection structure of the triode control loop of the present invention.
Fig. 10 is a schematic view of the internal connection structure of the digital display circuit of the present invention.
In the figure: 1. a circuit protection loop; 101. a protection loop interface; 102. a diode; 103. a first protection loop resistor; 104. a second protection loop resistor; 105. a third protection loop resistor; 106. a protection loop capacitance; 2. a voltage transformation rectifying loop; 2001. a first rectification loop interface; 2002. a first rectifying loop capacitor; 2003. a second rectifying loop capacitor; 2004. a third rectifying loop capacitor; 2005. a third-stage voltage-stabilizing tube; 2006. a fourth rectifying loop capacitor; 2007. a wiring terminal; 2008. a second rectification loop interface; 2009. a third rectification loop interface; 2010. a fourth rectifying loop interface; 2011. a fifth rectifying loop interface; 3. a sensor voltage division loop; 301. a first voltage division loop interface; 302. a first voltage division loop resistor; 303. a second voltage division loop resistor; 304. a voltage division loop capacitor; 305. a second voltage division loop interface; 306. a third voltage division loop interface; 4. a control chip; 5. a button control loop; 5001. a first button loop interface; 5002. a second button loop interface; 5003. a first button loop resistance; 5004. a second button loop resistance; 5005. a control button; 6. a buzzer control loop; 601. a first buzzer loop interface; 602. a buzzer loop resistor; 603. a buzzer loop triode; 604. a buzzer; 605. a second buzzer loop interface; 7. a press relay control loop; 701. a first relay loop interface; 702. a relay loop resistance; 703. a relay loop triode; 704. a second relay loop interface; 8. a fan control loop; 801. a first fan loop interface; 802. a fan loop resistor; 803. a fan loop triode; 804. a second fan loop interface; 9. a triode control loop; 901. a first pole conduit loop interface; 902. a pole tube loop resistance; 903. a polar tube loop triode; 904. a second diode loop interface; 10. a digital display circuit; 1001. a digital display screen; 1002. a loop interface is displayed.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: an efficient adjustable electric control system of a refrigerator comprises a circuit protection loop 1, a transformation rectification loop 2, a sensor voltage division loop 3, a control chip 4, a control button loop 5, a buzzer control loop 6, a press relay control loop 7, a fan control loop 8, a triode control loop 9 and a digital display loop 10; the circuit protection circuit 1 is sequentially connected with a voltage transformation rectifying circuit 2, a sensor voltage division circuit 3 and a control chip 4 through circuits; the control chip 4 is respectively connected with the voltage transformation rectifying circuit 2, the control button circuit 5, the buzzer control circuit 6, the press relay control circuit 7, the fan control circuit 8 and the triode control circuit 9 through circuits; the voltage transformation rectification loop 2 is respectively connected with a press relay control loop 7 and a fan control loop 8 through lines; the triode control circuit 9 is connected with a digital display circuit 10 through a line; the circuit protection loop 1 comprises a protection loop interface 101, a diode 102, a first protection loop resistor 103, a second protection loop resistor 104, a third protection loop resistor 105 and a protection loop capacitor 106; the diode 102, the first protection loop resistor 103 and the second protection loop resistor 104 are connected in series through a line; the diode 102 is connected with the protection loop interface 101; the output end of the diode 102 and the input end of the first protection loop resistor 103 are connected in parallel with a third protection loop resistor 105 through a line; a protection loop capacitor 106 is connected in parallel at two ends of the second protection loop resistor 104 through a line; the circuit protection circuit 1 is grounded by a wire.
The voltage transformation rectifying circuit 2 comprises a first rectifying circuit interface 2001, a first rectifying circuit capacitor 2002, a second rectifying circuit capacitor 2003, a third rectifying circuit capacitor 2004, a three-level voltage regulator tube 2005 and a fourth rectifying circuit capacitor 2006; the three-stage voltage regulator tube 2005 is connected in parallel with a first rectification circuit capacitor 2002, a second rectification circuit capacitor 2003, a third rectification circuit capacitor 2004 and a fourth rectification circuit capacitor 2006 through lines; a wiring terminal 2007 is led out of the third-stage voltage-regulator tube 2005 through a circuit; a second rectification loop interface 2008, a third rectification loop interface 2009, a fourth rectification loop interface 2010 and a fifth rectification loop interface 2011 are led out from the connecting terminal 2007; the sensor voltage division loop 3 comprises a first voltage division loop interface 301, a first voltage division loop resistor 302, a second voltage division loop resistor 303, a voltage division loop capacitor 304, a second voltage division loop interface 305 and a third voltage division loop interface 306; the first voltage division loop resistor 302 and the second voltage division loop resistor 303 are connected in parallel and then connected with a first voltage division loop interface 301 and a voltage division loop capacitor 304 through lines; the voltage division loop capacitor 304 is grounded by a lead; the second voltage division loop resistor 303 is connected with a second voltage division loop interface 305; the first voltage divider circuit resistor 302 is connected to a third voltage divider circuit interface 306.
The press relay control circuit 7 comprises a first relay circuit interface 701, a relay circuit resistor 702, a relay circuit triode 703 and a second relay circuit interface 704; the relay loop resistor 702 and the relay loop triode 703 are connected in series by a circuit; the relay loop resistor 702 is connected with a first relay loop interface 701; the relay loop triode 703 is grounded by a lead; the relay loop triode 703 is connected with a second relay loop interface 704; the fan control loop 8 comprises a first fan loop interface 801, a fan loop resistor 802, a fan loop triode 803 and a second fan loop interface 804; the fan loop resistor 802 and the fan loop triode 803 are connected in series by a line; the fan loop resistor 802 is connected with a first fan loop interface 801; the fan loop triode 803 is grounded by a lead; the fan loop triode 803 is connected with a second fan loop interface 804; the triode control loop 9 comprises a first diode loop interface 901, a diode loop resistor 902, a diode loop triode 903 and a second diode loop interface 904; the pole tube loop resistor 902 and the pole tube loop triode 903 are connected in series by a line; the pole tube loop resistor 902 is connected with a first pole tube loop interface 901; the polar tube loop triode 903 is grounded by a lead; the diode circuit transistor 903 is connected to a second diode circuit interface 904.
The digital display circuit 10 includes a digital display screen 1001; the digital display screen 1001 is externally connected with a display loop interface 1002; the protection circuit interface 101 is butted together with the first rectification circuit interface 2001; the second rectification loop interface 2008 is in butt joint with the second fan loop interface 804; the third rectifying circuit interface 2009 is in butt joint with the control chip 4; the fourth rectifying circuit interface 2010 is in butt joint with the first voltage division circuit interface 301; the fifth rectifying circuit interface 2011 is butted with the second relay circuit interface 704; the second voltage division loop interface 305 is butted with the control chip 4; the first button loop interface 5001 is docked with the control chip 4; the first buzzer loop interface 601 is connected with the control chip 4 in a butt joint mode; the first relay loop interface 701 is butted with the control chip 4; the first fan loop interface 801 is in butt joint with the control chip 4; the first pole tube loop interface 901 is butted with the control chip 4; the second diode loop interface 904 is butted together with the display loop interface 1002; the third voltage division loop interface 306, the second button loop interface 5002 and the second buzzer loop interface 605 are communicated with an external power line through a transformer; the model of the control chip 4 is STM8S003F 3P.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient adjustable freezer electrical control system which characterized in that: the device comprises a circuit protection loop (1), a transformation rectification loop (2), a sensor voltage division loop (3), a control chip (4), a control button loop (5), a buzzer control loop (6), a press relay control loop (7), a fan control loop (8), a triode control loop (9) and a digital display loop (10); the circuit protection loop (1) is sequentially connected with a voltage transformation rectification loop (2), a sensor voltage division loop (3) and a control chip (4) through lines; the control chip (4) is respectively connected with the transformation rectification loop (2), the control button loop (5), the buzzer control loop (6), the press relay control loop (7), the fan control loop (8) and the triode control loop (9) through circuits; the voltage transformation rectifying circuit (2) is respectively connected with the press relay control circuit (7) and the fan control circuit (8) through circuits; the triode control loop (9) is connected with a digital display loop (10) through a line; the circuit protection loop (1) comprises a protection loop interface (101), a diode (102), a first protection loop resistor (103), a second protection loop resistor (104), a third protection loop resistor (105) and a protection loop capacitor (106); the diode (102), the first protection loop resistor (103) and the second protection loop resistor (104) are connected in series through a line; the diode (102) is connected with a protection loop interface (101); the output end of the diode (102) and the input end of the first protection loop resistor (103) are connected with a third protection loop resistor (105) in parallel through a line; two ends of the second protection loop resistor (104) are connected with a protection loop capacitor (106) in parallel through a circuit; the circuit protection loop (1) is grounded by adopting a lead; the transformation rectifying circuit (2) comprises a first rectifying circuit interface (2001), a first rectifying circuit capacitor (2002), a second rectifying circuit capacitor (2003), a third rectifying circuit capacitor (2004), a three-level voltage regulator tube (2005) and a fourth rectifying circuit capacitor (2006); the three-stage voltage-regulator tube (2005) is connected with a first rectification circuit capacitor (2002), a second rectification circuit capacitor (2003), a third rectification circuit capacitor (2004) and a fourth rectification circuit capacitor (2006) in parallel through circuits; a wiring terminal (2007) is led out of the three-stage voltage-regulator tube (2005) through a circuit; a second rectifying circuit interface (2008), a third rectifying circuit interface (2009), a fourth rectifying circuit interface (2010) and a fifth rectifying circuit interface (2011) are led out of the connecting terminal (2007); the sensor voltage division loop (3) comprises a first voltage division loop interface (301), a first voltage division loop resistor (302), a second voltage division loop resistor (303), a voltage division loop capacitor (304), a second voltage division loop interface (305) and a third voltage division loop interface (306); the first voltage division loop resistor (302) and the second voltage division loop resistor (303) are connected in parallel and then are connected with a first voltage division loop interface (301) and a voltage division loop capacitor (304) through a line; the voltage division loop capacitor (304) is grounded by adopting a lead; the second voltage division loop resistor (303) is connected with a second voltage division loop interface (305); the first voltage division loop resistor (302) is connected with a third voltage division loop interface (306).
2. The electrical control system for an efficient adjustable refrigerator according to claim 1, wherein: the control button loop (5) comprises a first button loop interface (5001), a second button loop interface (5002), a first button loop resistor (5003), a second button loop resistor (5004) and a control button (5005); the first button loop resistor (5003) and the second button loop resistor (5004) are connected in parallel and then are connected with a control button (5005) through a line; the control button (5005) is grounded by adopting a wire; the first button loop resistor (5003) is connected with a first button loop interface (5001); the second button circuit resistor (5004) is connected with a second button circuit interface (5002).
3. The high efficiency adjustable freezer electrical control system of claim 2, wherein: the buzzer control loop comprises a first buzzer loop interface (601), a buzzer loop resistor (602), a buzzer loop triode (603), a buzzer (604) and a second buzzer loop interface (605); the buzzer loop resistor (602), the buzzer loop triode (603) and the buzzer (604) are sequentially connected in series by adopting a circuit; the buzzer loop resistor (602) is connected with a first buzzer loop interface (601); the buzzer loop triode (603) is grounded by adopting a conducting wire; the buzzer (604) is connected with a second buzzer loop interface (605).
4. An efficient adjustable freezer electrical control system as defined in claim 3 wherein: the press relay control circuit (7) comprises a first relay circuit interface (701), a relay circuit resistor (702), a relay circuit triode (703) and a second relay circuit interface (704); the relay loop resistor (702) and the relay loop triode (703) are connected in series by adopting a circuit; the relay loop resistor (702) is connected with a first relay loop interface (701); the relay loop triode (703) is grounded by adopting a lead; the relay loop triode (703) is connected with a second relay loop interface (704).
5. The high efficiency adjustable freezer electrical control system of claim 4, wherein: the fan control loop (8) comprises a first fan loop interface (801), a fan loop resistor (802), a fan loop triode (803) and a second fan loop interface (804); the fan loop resistor (802) and the fan loop triode (803) are connected in series by adopting a line; the fan loop resistor (802) is connected with a first fan loop interface (801); the fan loop triode (803) is grounded by adopting a lead; and the fan loop triode (803) is communicated with a second fan loop interface (804).
6. The high efficiency adjustable freezer electrical control system of claim 5, wherein: the triode control loop (9) comprises a first diode loop interface (901), a diode loop resistor (902), a diode loop triode (903) and a second diode loop interface (904); the polar tube loop resistor (902) and the polar tube loop triode (903) are connected in series by a circuit; a first pole tube loop interface (901) is connected with the pole tube loop resistor (902); the polar tube loop triode (903) is grounded by adopting a lead; the pole tube loop triode (903) is connected with a second diode loop interface (904).
7. The high efficiency adjustable freezer electrical control system of claim 6, wherein: the digital display loop (10) comprises a digital display screen (1001); the digital display screen (1001) is externally connected with a display loop interface (1002).
8. The high efficiency adjustable freezer electrical control system of claim 7, wherein: the protection loop interface (101) is docked with the first rectification loop interface (2001); the second rectification loop interface (2008) is docked with the second fan loop interface (804); the third rectifying circuit interface (2009) is in butt joint with the control chip (4); the fourth rectifying loop interface (2010) is butted together with the first voltage division loop interface (301); the fifth rectifying circuit interface (2011) is butted together with the second relay circuit interface (704); the second voltage division loop interface (305) is butted with the control chip (4); the first button loop interface (5001) is docked with the control chip (4); the first buzzer loop interface (601) is butted with the control chip (4); the first relay loop interface (701) is butted with the control chip (4); the first fan loop interface (801) is in butt joint with the control chip (4); the first pole tube loop interface (901) is butted with the control chip (4); the second diode loop interface (904) interfaces with the display loop interface (1002).
9. An efficient adjustable freezer electrical control system as defined in claim 3 wherein: the third voltage division loop interface (306), the second button loop interface (5002) and the second buzzer loop interface (605) are communicated with an external power line through a transformer.
10. The electrical control system for an efficient adjustable refrigerator according to claim 8, wherein: the model of the control chip (4) is STM8S003F 3P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417045.9U CN217383507U (en) | 2022-03-01 | 2022-03-01 | High-efficient adjustable freezer electrical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417045.9U CN217383507U (en) | 2022-03-01 | 2022-03-01 | High-efficient adjustable freezer electrical control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217383507U true CN217383507U (en) | 2022-09-06 |
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ID=83099655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220417045.9U Active CN217383507U (en) | 2022-03-01 | 2022-03-01 | High-efficient adjustable freezer electrical control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217383507U (en) |
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2022
- 2022-03-01 CN CN202220417045.9U patent/CN217383507U/en active Active
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