CN114234553A

CN114234553A - Cold and warm dual-purpose commercial cabinet and control method

Info

Publication number: CN114234553A
Application number: CN202111383209.7A
Authority: CN
Inventors: 程春明
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-03-25
Anticipated expiration: 2041-11-22
Also published as: CN114234553B

Abstract

The invention discloses a cold and warm dual-purpose commercial cabinet and a control method, wherein the control method comprises the following steps: the door body is hinged on the cabinet body; a refrigerating system and a heating system are arranged in the cabinet body; the front end of the compartment is provided with an independent door body; the evaporator and the fan are covered by the fan cover to form an air duct; the upper end of the fan cover is provided with a plurality of air outlets for supplying air for independent compartments; the bottom of the fan cover is provided with a first air return opening; a first air door is arranged on the first air return opening; the heating body and the shielding cover are coated by the shielding cover to form a heating air channel; a second air return inlet is formed in one end face, close to the door body, of the shielding cover; and a second air door for controlling the air flow to enter the air duct of the refrigerating system is arranged at the joint of the shielding cover and the air cover. According to the invention, the heat dissipation system is arranged at the bottom of the cabinet body, and the special-shaped space at the position of the compressor bin is utilized, so that not only can the space be saved, but also the space layout of the storage chamber at the upper part of the compressor bin is neat, the corresponding laminated independent chambers have the same structure, and the part generalization rate is increased.

Description

Cold and warm dual-purpose commercial cabinet and control method

Technical Field

The invention belongs to the technical field of commercial cabinets, and particularly relates to a cold and warm dual-purpose commercial cabinet and a control method.

Background

With the gradual maturity of the internet + application technology, particularly the rapid spread of the new coronavirus worldwide, the diet consumption habits of white-collar workers are changed, and the social aggregated diet is gradually replaced by contactless diet. The lunch of the next day is generally prepared in advance to the company in view of food safety. However, the food needs to be stored at a low temperature and heat-treated before being eaten, and this problem is particularly serious in winter. The user hopes to have the commercial cabinet that realizes the dual-purpose cooling and heating and deposits food, considers privacy nature, hopes to possess own storage space independently.

In office buildings or shopping malls for centralized office, food can be stored and taken in a centralized time period by placing a cooling and heating dual-purpose commercial cabinet. After the morning work, lunch is put into the cabinet, and the commercial cabinet is opened for cold storage. The heating function is started 1-2 hours before lunch to heat food and ensure that the cooked rice can be eaten. The user can use the exclusive independent storage space through related intelligent operation.

In addition, this commercial cabinet also can be according to the difference of two seasons demands in winter and summer, opens independent cold-stored, heating function, realizes switching. Can be stored and sold with cold drinks in summer and hot drinks in winter.

Disclosure of Invention

The invention aims to provide a cooling and heating dual-purpose commercial cabinet and a control method, and solves the existing problems.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a cooling and heating dual-purpose commercial cabinet, which comprises a cabinet body and a door body, wherein the door body is hinged on the cabinet body; a plurality of storage chambers are arranged in the cabinet body; a refrigerating system and a heating system are arranged in the cabinet body; a temperature sensor is arranged in the cabinet body; the storage chamber consists of a plurality of independent compartments; an independent door body is arranged at the front end of the compartment; the refrigerating system comprises an evaporator, a fan and a wind shield; the evaporator is arranged at the lower part of the cabinet body; the fan is arranged above the evaporator; the evaporator and the fan are covered by the fan cover to form an air duct; the upper end of the fan cover is provided with a plurality of air outlets for supplying air to the independent compartments; the bottom of the fan cover is provided with a first air return opening; a first air door is arranged on the first air return opening; the heating system comprises a heating body, a second air door and a shielding cover; the heating body is arranged on a base of the cabinet body; the heating body and the shielding cover are coated by the shielding cover to form a heating air channel; a plurality of second air return ports are formed in one end face, close to the door body, of the shielding cover; one side of the top of the shielding cover is connected with the bottom of a fan cover of the refrigerating system; and a second air door for controlling air flow to enter the air duct of the refrigerating system is arranged at the joint of the shielding cover and the air cover.

Further, the compartment is composed of a left side plate, a right side plate, an upper side plate and a lower side plate; and an air inlet duct matched with an air outlet of the air duct is arranged at the rear end of the compartment.

Furthermore, the compartment and the independent door body are fixed through an electronic lock; the electronic lock is arranged on the left side plate or the right side plate;

the electronic lock fixes the independent door body through the lock bolt; and the independent door body is provided with a spring.

Further, the evaporator includes a main pipe and fins; the main pipeline is a coiled pipe; the radiating fins are fixed on the pipeline in a spiral winding mode.

Further, a drain tank for draining the defrosting water is arranged below the evaporator.

Furthermore, a heat radiation fan is arranged in the shielding cover; the heat radiation fan is arranged between the heating body and the second air return opening.

Further, a door seal is arranged on the periphery of the inner side face of the door body; a touch display screen is arranged above the outer side face of the door body; the touch display screen transmits a control instruction to the controller and displays the working state information of the cabinet body.

Furthermore, the temperature controller transmits the sensed temperature data to the controller, and the controller controls the operation of the refrigerating system and the heating system and displays data information through the touch display screen.

A control method of a cooling and heating dual-purpose commercial cabinet comprises the following processes:

the SS01 and the controller control the operation of the refrigeration system and the heating system according to working modes, wherein the working modes comprise a single refrigeration mode, a single heating mode, a cold and warm dual-purpose mode and a defrosting mode;

SS02, Single refrigeration mode

The controller is used for firstly closing a heating body, a cooling fan and a second air door in the heating system, then opening a first air door on an air cover of the refrigerating system, and comparing temperature data sensed by a temperature sensor in the cabinet body according to a set temperature requirement input by the touch display screen to determine the switch of the refrigerating system;

SS03, Single heating mode

The controller is used for inputting a control instruction through the touch display screen, firstly closing the compressor and the first air door in the refrigerating system, but opening the fan, then opening the heating body and the cooling fan of the heating system, and keeping the second air door open. According to the set temperature requirement input by the touch display screen, comparing temperature data sensed by a temperature sensor in the cabinet body, and determining the switch of a heating body of the heating system;

SS04 dual-purpose mode for cooling and heating

The method is used for inputting a control instruction through the touch display screen, firstly entering the step SS02 according to a refrigeration related instruction, and operating the step SS03 after maintaining the set time period or receiving the instruction;

SS05 defrosting mode

When the step SS02 is running, the defrosting program is started, firstly the compressor in the refrigerating system is closed, then the step SS03 is run, the heating element and the radiating fan of the heating system are started, the second air door is kept open, and the generated hot air is blown to the evaporator through the second air door to defrost.

The invention has the following beneficial effects:

1. according to the invention, the heat dissipation system is arranged at the bottom of the cabinet body, and the special-shaped space at the position of the compressor bin is utilized, so that the space is saved, the space layout of the storage chamber at the upper part of the compressor bin is neat, the corresponding laminated independent chambers have the same structure, the part generalization rate is increased, the fan cover and the fan can be shared, the parts are reduced, the space is saved, and the cost is saved.

2. The invention can reduce defrosting components such as a defrosting heater, a temperature fuse and the like by directly utilizing the heat dissipation system to defrost the evaporator of the refrigeration system, and increases the air outlet by the rear part of each layer of independent chamber on the fan cover, thereby shortening the air flow path and reducing the air loss.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a cooling and heating dual-purpose commercial cabinet;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is an enlarged view of a portion E of FIG. 2;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 5 is a schematic view of a compartment structure with an independent door body;

fig. 6 is a schematic view of a compartment structure without an independent door body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the invention relates to a cooling and heating dual-purpose commercial cabinet, which comprises a cabinet body 1 and a door body 2, wherein the door body 2 is hinged on the cabinet body 1; a plurality of storage chambers 11 are arranged in the cabinet body 1; a refrigerating system 12 and a heating system 13 are arranged in the cabinet body 1; a temperature sensor 14 is arranged in the cabinet body 1;

the storage compartment 11 is composed of a plurality of independent compartments 111; a separate door body 112 is installed at the front end of the compartment 111; compartment 111 is made up of left side plate 1113, right side plate 1114, upper side plate 115, and lower side plate 1116; the rear end of the compartment 111 is provided with an air inlet channel 1111 which is matched with an air outlet 1231 of the air channel,

the compartment 111 and the independent door body 112 are fixed through an electronic lock 113; the electronic lock 113 is mounted on the left side plate 1113 or the right side plate 1114; the electronic lock 113 fixes the independent door body 112 through the latch 1131; the independent door body 112 is provided with a spring 1121; be furnished with electronic lock 113 through every compartment 111, can guarantee user privacy, independence, through touch-control display screen 22 or APP operation, can realize sweeping the sign indicating number and get the thing, avoid taking the mistake, safe and reliable realizes commercial function.

The refrigeration system 12 includes an evaporator 121, a fan 122, and a wind cowl 123; the evaporator 121 is installed at the lower part of the cabinet 1; the fan 122 is installed above the evaporator 121; the evaporator 121 and the fan 122 are covered by the fan cover 123 to form an air duct; the upper end of the fan housing 123 is provided with a plurality of air outlets 1231 for supplying air to the independent compartments 111; a first air return port 1232 is disposed at the bottom of the fan housing 123; the first air return opening 1232 is provided with a first air door 124; the evaporator 121 includes a main pipe 1211 and cooling fins 1212; the main conduit 1211 is a serpentine tube; the heat sink 1212 is fixed to the pipe 1211 by a spiral winding method; a drain tank 15 for draining the defrosting water is provided below the evaporator 121; the fan 122 is a centrifugal fan;

the heating system 13 includes a heating element 131, a second damper 133, and a shield cover 134; the heating element 131 is arranged on the base of the cabinet body 1; the heating element 131 and the shielding cover 134 are covered by the shielding cover 134 to form a heating air duct; one end face of the shielding cover 134 close to the door body is provided with a plurality of second air return ports 1341; one side of the top of the shielding cover 134 is connected with the bottom of the fan cover 123 of the refrigeration system; a second air door 133 for controlling the air flow to enter the air duct of the refrigeration system 12 is installed at the joint of the shielding cover 134 and the air cover 123; a heat dissipation fan 132 is installed in the shielding cover 134; the heat radiation fan 132 is disposed between the heating body 131 and the second air return port 1341;

a door seal 21 is arranged on the periphery of the inner side surface of the door body 2; a touch display screen 22 is arranged above the outer side surface of the door body 2; the touch display screen 22 transmits a control instruction to the controller and displays the working state information of the cabinet 1, the temperature controller 14 transmits the sensed temperature data to the controller, and the controller controls the operation of the cooling system 12 and the heating system 13 and displays the data information through the touch display screen 22.

Example two:

the controller can also carry out information interaction through the APP of communication module and cell-phone or installation on the flat board, and the user can look over the running state data of the cabinet body through the APP to control refrigerating system 12 and heating system 13 operation, and control electronic lock 113's switch.

Example three:

a plurality of through holes 11110 are arranged on the left side plate 1113, the right side plate 1114, the upper side plate 115 and the lower side plate 1116 side by side; communicating with adjacent compartments 111 through the openings 11110 to facilitate air flow and increase internal airflow circulation; the through holes 11110 are circular or square and are arranged in irregular or regular array according to the air volume and the refrigeration efficiency.

Example four:

the SS01 and the controller control the operation of the refrigerating system 12 and the heating system 13 according to working modes, wherein the working modes comprise a single refrigerating mode, a single heating mode, a cooling and heating dual-purpose mode and a defrosting mode;

SS02, Single refrigeration mode

The controller is used for inputting a control instruction through the touch display screen 22, firstly closing the heating body 131, the cooling fan 132 and the second air door 133 in the heating system 13, then opening the first air door 124 on the air cover 123 of the refrigerating system 12, and comparing temperature data sensed by the temperature sensor 14 in the cabinet body 1 according to a set temperature requirement input by the touch display screen 22 to determine the on-off of the refrigerating system 12;

SS03, Single heating mode

For inputting a control command through the touch display screen 22, the controller first turns off the compressor 121 and the first damper 124 in the refrigeration system 12, but turns on the fan 122, and then turns on the heating unit 131 and the cooling fan 132 of the heating system 13, keeping the second damper 133 open. According to the set temperature requirement input by the touch display screen 22, comparing the temperature data sensed by the temperature sensor 14 in the cabinet body 1, and determining the switch of the heating body 131 of the heating system 13;

SS04 dual-purpose mode for cooling and heating

The control system is used for inputting a control instruction through the touch display screen 22, firstly entering a step SS02 according to a refrigeration related instruction, and operating a step SS03 after maintaining a set time period or receiving the instruction;

SS05 defrosting mode

When the operation is performed in step SS02, the defrosting process is started, the compressor 121 in the refrigeration system 12 is first turned off, and then the operation is performed in step SS03, the heating unit 131 and the cooling fan 132 of the heating system 13 are turned on, the second damper 133 is kept open, and the generated hot air is blown onto the evaporator 121 through the second damper 133 to defrost.

The independent refrigerating and heating requirements can be met, and the free switching between the two modes can be realized.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A cooling and heating dual-purpose commercial cabinet comprises a cabinet body (1) and a door body (2), wherein the door body (2) is hinged on the cabinet body (1); the method is characterized in that:

a plurality of storage chambers (11) are arranged in the cabinet body (1); a refrigerating system (12) and a heating system (13) are arranged in the cabinet body (1); a temperature sensor (14) is arranged in the cabinet body (1);

the storage chamber (11) is composed of a plurality of independent compartments (111); an independent door body (112) is arranged at the front end of the compartment (111);

the refrigeration system (12) comprises an evaporator (121), a fan (122) and a fan cover (123); the evaporator (121) is arranged at the lower part of the cabinet body (1); the fan (122) is arranged above the evaporator (121); the evaporator (121) and the fan (122) are coated by the fan cover (123) to form an air channel; the upper end of the fan cover (123) is provided with a plurality of air outlets (1231) for supplying air to the independent compartments (111); a first air return opening (1232) is formed in the bottom of the fan cover (123); a first air door (124) is arranged on the first air return opening (1232);

the heating system (13) comprises a heating body (131), a second air door (133) and a shielding cover (134); the heating body (131) is arranged on a base of the cabinet body (1); the heating body (131) and the shielding cover (134) are coated by the shielding cover (134) to form a heating air duct; one end face, close to the door body, of the shielding cover (134) is provided with a plurality of second air return ports (1341); one side of the top of the shielding cover (134) is connected with the bottom of a fan cover (123) of the refrigerating system; and a second air door (133) used for controlling air flow to enter an air duct of the refrigerating system (12) is arranged at the joint of the shielding cover (134) and the air cover (123).

2. A cooling and heating dual-purpose commercial cabinet according to claim 1, wherein said compartment (111) is composed of a left side plate (1113), a right side plate (1114), an upper side plate (115) and a lower side plate (1116); the rear end of the compartment (111) is provided with an air inlet duct (1111) matched with an air outlet (1231) of the air duct.

3. A cooling and heating dual-purpose commercial cabinet as claimed in claim 2, wherein the compartment (111) and the independent door body (112) are fixed by an electronic lock (113); the electronic lock (113) is arranged on the left side plate (1113) or the right side plate (1114);

the electronic lock (113) is used for fixing the independent door body (112) through a lock bolt (1131); and a spring (1121) is assembled on the independent door body (112).

4. A cooling and heating dual-purpose commercial cabinet according to claim 1, wherein said evaporator (121) comprises a main pipe (1211) and a heat sink (1212); the main pipeline (1211) is a coiled pipe; the heat sink 1212 is fixed to the pipe 1211 by a spiral winding method.

5. A cooling and heating dual-purpose commercial cabinet according to claim 1, wherein a drain tank (15) for draining defrosted water is provided below the evaporator (121).

6. A cooling and heating dual-purpose commercial cabinet as claimed in claim 1, wherein a heat radiation fan (132) is installed in said shielding case (134); the heat radiation fan (132) is arranged between the heating body (131) and the second air return opening (1341).

7. A cooling and heating dual-purpose commercial cabinet as claimed in claim 1, wherein a door seal (21) is provided around the inner side of the door body (2); a touch display screen (22) is mounted above the outer side face of the door body (2); the touch display screen (22) transmits a control instruction to the controller and displays the working state information of the cabinet body (1).

8. A commercial cabinet for both cooling and heating as claimed in claim 7, wherein the temperature controller (14) transmits the sensed temperature data to the controller, and the controller controls the operation of the cooling system (12) and the heating system (13) and displays the data information through the touch display screen (22).

9. A control method for a cooling and heating dual-purpose commercial cabinet according to any one of claims 1 to 8, characterized by comprising the following processes:

the SS01 and the controller control the operation of the refrigerating system (12) and the heating system (13) according to working modes, wherein the working modes comprise a single refrigerating mode, a single heating mode, a cold and warm dual-purpose mode and a defrosting mode;

SS02, Single refrigeration mode

The controller is used for inputting a control instruction through the touch display screen (22), firstly closing a heating body (131), a cooling fan (132) and a second air door (133) in the heating system (13), then opening a first air door (124) on an air cover (123) of the refrigerating system (12), and comparing temperature data sensed by a temperature sensor (14) in the cabinet body (1) according to a set temperature requirement input by the touch display screen (22) to determine the on-off of the refrigerating system (12);

SS03, Single heating mode

The controller is used for inputting a control instruction through the touch display screen (22), firstly closing the compressor (121) and the first air door (124) in the refrigerating system (12), but opening the fan (122), then opening the heating body (131) and the radiating fan (132) of the heating system (13), and keeping the second air door (133) open. According to the set temperature requirement input by the touch display screen (22), comparing the temperature data sensed by the temperature sensor (14) in the cabinet body (1) to determine the switch of a heating body (131) of the heating system (13);

SS04 dual-purpose mode for cooling and heating

The control system is used for inputting a control instruction through the touch display screen (22), firstly, the step SS02 is carried out according to a refrigeration related instruction, and the step SS03 is carried out after the set time period is maintained or the instruction is received;

SS05 defrosting mode

When the operation is performed in the step SS02, the defrosting program is started, the compressor (121) in the refrigeration system (12) is firstly closed, then the step SS03 is performed, the heating element (131) and the cooling fan (132) of the heating system (13) are opened, the second air door (133) is kept opened, and the generated hot air is blown to the evaporator (121) through the second air door (133) to defrost.