阅读说明：本技术 一种商用冷柜智能控制蒸发装置及方法 (Intelligent control evaporation device and method for commercial refrigerator ) 是由 孙绍官 王亮 李胤 张国栋 杨宝江 鲍宏宇 杨萍 于 2020-08-13 设计创作，主要内容包括：本发明提供一种商用冷柜智能控制蒸发装置及方法。本发明装置,包括控制箱、蒸发接水盘；控制箱内设置有控制器和蒸发风机,蒸发风机分别设置在控制器的左右两侧；蒸发风机和控制器与电源供电线路电连接；蒸发接水盘上设置有高液位电极式传感器、低液位电极式传感器,蒸发接水盘的底侧夹层分别贴合有加热丝、温控保护开关、超温自熔断器；高液位电极式传感器、低液位电极式传感器、加热丝均与控制器电连接；温控开关、超温自熔断器均与加热丝电连接。本发明通过控制器检测高、低液位来控制加热丝工作,同时具备控制器故障时加热丝温控保护,超温自熔断功能；预留RS485 MODBUS有线通讯接口、LORA和NB-IOT无线通讯接口,方便与现场集控终端及云平台的信号对接。(The invention provides an intelligent control evaporation device and method for a commercial refrigerator. The device comprises a control box and an evaporation water pan; the control box is internally provided with a controller and evaporation fans, and the evaporation fans are respectively arranged on the left side and the right side of the controller; the evaporation fan and the controller are electrically connected with a power supply circuit; the evaporation water pan is provided with a high liquid level electrode type sensor and a low liquid level electrode type sensor, and the bottom interlayer of the evaporation water pan is respectively attached with a heating wire, a temperature control protective switch and an overtemperature self-fuse; the high liquid level electrode type sensor, the low liquid level electrode type sensor and the heating wire are all electrically connected with the controller; the temperature control switch and the over-temperature self-fuse are electrically connected with the heating wire. The invention controls the work of the heating wire by detecting the high and low liquid levels through the controller, and simultaneously has the functions of heating wire temperature control protection and overtemperature self-fusing when the controller fails; and an RS485 MODBUS wired communication interface, an LORA wireless communication interface and an NB-IOT wireless communication interface are reserved, and the signal butt joint with an on-site centralized control terminal and a cloud platform is facilitated.)

1. An intelligent control evaporation device of a commercial refrigerator is characterized by comprising a control box and an evaporation water pan (1) arranged on the right side of the control box;

the control box is internally provided with a controller (4) and an evaporation fan (8), and the evaporation fan (8) is respectively arranged at the left side and the right side of the controller (4); the evaporation fan (8) and the controller (4) are both electrically connected with a power supply circuit;

a high liquid level electrode type sensor (2) and a low liquid level electrode type sensor (3) are arranged on the evaporation water pan (1), and a heating wire (5), a temperature control protection switch (6) and an over-temperature self-fusing device (7) are respectively attached to the interlayer at the bottom side of the evaporation water pan (1); the high liquid level electrode type sensor (2) is electrically connected with the controller (4); the low liquid level electrode type sensor (3) is electrically connected with the controller (4); the heating wire (5) is electrically connected with the controller (4); the temperature control switch (6) is electrically connected with the heating wire (5); the overtemperature self-fusing device (7) is electrically connected with the heating wire (5).

2. The intelligent control evaporation plant of commercial freezer of claim 1, characterized in that, high liquid level electrode sensor (2) and low liquid level electrode sensor (3) are L type structure, the response end of high liquid level electrode sensor (2) and low liquid level electrode sensor (3) all inserts inside evaporation water collector (1), non-response end passes the control box and connects inside the control box.

3. A commercial refrigerator intelligent control evaporation plant according to claim 2, characterized in that the high level electrode sensor (2) and the low level electrode sensor (3) are of the electrode bar/F03-01 (SUS 304).

4. The intelligent control evaporation plant of commercial freezer of claim 1, characterized in that, 485MODBUS wired communication interface is reserved in controller (4).

5. A commercial refrigerator intelligent control evaporation plant according to claim 4, characterized in that the controller (4) is also reserved with LORA and NB-IOT wireless communication interfaces.

6. An intelligent control evaporation method for a commercial refrigerator, which is characterized in that the method is realized by the intelligent control evaporation device for the commercial refrigerator as claimed in any one of claims 1 to 5, and comprises the following steps:

s1, after the evaporation device is intelligently controlled by the commercial refrigerator to be electrified, the evaporation fan (8) operates;

s2, the controller (4) controls the heating wire (5) to start working by detecting the signal of the high liquid level electrode type sensor (2);

s3, the controller (4) controls the heating wire (5) to stop working by detecting the signal of the low liquid level electrode type sensor (3); and circulating through the interval liquid level.

7. The intelligent controlled evaporation method for commercial refrigerators according to claim 6, further comprising:

s4, when the ambient temperature of the heating wire (5) reaches the temperature action value of the temperature control protection switch (6), the temperature control protection switch (6) cuts off the power supply of the heating wire (5);

and S5, when the ambient temperature of the heating wire (5) is reduced to the temperature recovery value of the temperature control protection switch (6), the temperature control protection switch (6) closes the power supply of the heating wire (5).

8. The intelligent controlled evaporation method for commercial refrigerators according to claim 6, further comprising:

and S6, when the ambient temperature of the heating wire (5) reaches the temperature action value of the over-temperature self-fuse (7), the fuse wire in the over-temperature self-fuse (7) is fused, and the heating wire stops heating.

Technical Field

The invention relates to the technical field of evaporation devices, in particular to an intelligent control evaporation device and method for a commercial refrigerator.

Background

At present, the defrosting water treatment of a commercial refrigerator is difficult to maintain a clean state, and some customers or merchants forget to pour water at regular time, so that the water in a water receiving tray overflows automatically after being full of water and flows to the ground, and the water is easy to slip and fall; moreover, the defrosted water provides a favorable environment for the generation of bacteria, and therefore, certain harm is brought to the environmental sanitation of the stored food.

In the existing products, some heating wires are used for realizing temperature control, but frequent actions can affect the service life; some adopt the detection of floater formula liquid level, but its detection precision is low, and dust accumulation also can cause detection device not to move simultaneously.

Disclosure of Invention

According to the technical problems, an intelligent control evaporation device and method for a commercial refrigerator are provided. The invention mainly controls the work of the heating wire by detecting high and low liquid levels through the controller, and simultaneously has the functions of heating wire temperature control protection and overtemperature self-fusing when the controller fails; and an RS485 MODBUS wired communication interface is reserved, and LORA and NB-IOT wireless communication interfaces are reserved, so that the system is convenient to be in butt joint with signals of an on-site centralized control terminal and a cloud platform. The user can install at will, need not regularly pour water, does not have the influence to freezer equipment management, reduces the bacterium and produces, improves food safety, promotes user experience.

The technical means adopted by the invention are as follows:

an intelligent control evaporation device of a commercial refrigerator comprises a control box and an evaporation water pan arranged on the right side of the control box;

the control box is internally provided with a controller and evaporation fans, and the evaporation fans are respectively arranged on the left side and the right side of the controller; the evaporation fan and the controller are electrically connected with a power supply circuit;

the evaporation water pan is provided with a high liquid level electrode type sensor and a low liquid level electrode type sensor, and a heating wire, a temperature control protection switch and an over-temperature self-fuse are respectively attached to an interlayer at the bottom side of the evaporation water pan; the high liquid level electrode type sensor is electrically connected with the controller; the low liquid level electrode type sensor is electrically connected with the controller; the heating wire is electrically connected with the controller; the temperature control switch is electrically connected with the heating wire; the overtemperature self-fusing device is electrically connected with the heating wire.

Furthermore, high liquid level electrode sensor and low liquid level electrode sensor are L type structure, high liquid level electrode sensor and low liquid level electrode sensor's response end all inserts inside the evaporation water collector, non-response end passes the control box and connects inside the control box.

Further, the high level electrode type sensor and the low level electrode type sensor are both electrode bar/F03-01 (SUS 304).

Further, 485MODBUS wired communication interfaces are reserved in the controller.

Furthermore, the controller is reserved with LORA and NB-IOT wireless communication interfaces.

The invention also provides an intelligent control evaporation method for the commercial refrigerator, which is realized by utilizing the intelligent control evaporation device for the commercial refrigerator and comprises the following steps:

s1, after the evaporation device is intelligently controlled by the commercial refrigerator to be electrified, the evaporation fan runs;

s2, controlling the heating wire to start working by the controller through detecting the signal of the high liquid level electrode type sensor;

s3, the controller controls the heating wire to stop working by detecting the signal of the low liquid level electrode type sensor; and circulating through the interval liquid level.

Further, the method further comprises:

s4, when the ambient temperature of the heating wire reaches the temperature action value of the temperature control protection switch, the temperature control protection switch cuts off the power supply of the heating wire;

and S5, when the temperature around the heating wire is reduced to the temperature recovery value of the temperature control protection switch, the temperature control protection switch closes the power supply of the heating wire.

Further, the method further comprises:

and S6, when the ambient temperature of the heating wire reaches the temperature action value of the over-temperature self-fuse, the over-temperature self-fuse fuses, and the heating wire stops heating.

Compared with the prior art, the invention has the following advantages:

1. the intelligent control evaporation device of the commercial refrigerator provided by the invention detects high and low liquid levels through the electrode type sensor, and the electrode is suitable for severe environment, strong in anti-interference performance and long in service life.

2. The intelligent control evaporation device of the commercial refrigerator provided by the invention has the advantages that the high liquid level electrode type sensor and the low liquid level electrode type sensor are automatically controlled by the controller to detect the high liquid level and the low liquid level, the heating of the heating wires is controlled, the optimal control is realized, the action times are reduced, and the service life of equipment is prolonged.

3. The intelligent control evaporation device of the commercial refrigerator provided by the invention can automatically detect the high and low liquid levels, does not need to pour water manually on site, evaporates the defrosting water of the refrigerator at the highest speed and reduces the generation of bacteria.

4. According to the intelligent control evaporation device of the commercial refrigerator, the temperature control protection switch is additionally arranged, and when the heating wire works, the evaporation device is prevented from being dried under the condition that the controller fails or other abnormal conditions are caused during liquid level detection.

5. The intelligent control evaporation device of the commercial refrigerator provided by the invention is additionally provided with the overtemperature self-fuse, so that when a heating wire works, the evaporation device is prevented from being dried under the condition that a controller and a temperature control protection switch are out of order or other abnormal conditions during liquid level detection.

6. The intelligent control evaporation device of the commercial refrigerator provided by the invention has the advantages that the heating wire disconnection alarm protection is added, and the phenomenon that the evaporation water tray is full of water and overflows due to the failure of the heating wire is prevented.

7. The intelligent control evaporation device of the commercial refrigerator provided by the invention is additionally provided with the communication interface, and is convenient for signal butt joint with a field centralized control terminal and a cloud platform.

8. The intelligent control evaporation plant of the commercial refrigerator provided by the invention can be installed at will without being influenced by the equipment structure, and is convenient for a user to use on site.

For the above reasons, the present invention can be widely applied to the field of evaporation apparatuses and the like.

Drawings

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

FIG. 1 is a view showing the structure of the apparatus of the present invention.

FIG. 2 is a circuit diagram of the apparatus of the present invention.

FIG. 3 is a flow chart of the method of the present invention.

In the figure: 1. evaporating the water pan; 2. a high liquid level electrode sensor; 3. a low level electrode sensor; 4. a controller; 5. heating wires; 6. a temperature control protection switch; 7. an overtemperature self-fuse; 8. an evaporation fan;

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1, the invention provides an intelligent control evaporation device of a commercial refrigerator, which comprises a control box and an evaporation water pan 1 arranged on the right side of the control box;

the control box is internally provided with a controller 4 and an evaporation fan 8, and the evaporation fans 8 are respectively arranged at the left side and the right side of the controller 4; the evaporation fan 8 and the controller 4 are both electrically connected with a power supply circuit;

the evaporation water pan 1 is provided with a high liquid level electrode type sensor 2 and a low liquid level electrode type sensor 3, and a heating wire 5, a temperature control protective switch 6 and an over-temperature self-fusing device 7 are respectively attached to the bottom interlayer of the evaporation water pan 1;

as shown in fig. 2, the high liquid level electrode sensor 2 is electrically connected to the controller 4; the low liquid level electrode type sensor 3 is electrically connected with the controller 4; the heating wire 5 is electrically connected with the controller 4; the temperature control switch 6 is electrically connected with the heating wire 5; the overtemperature self-fusing device 7 is electrically connected with the heating wire 5. Wherein, the temperature control switch 6 is closed within the interval of 85 plus or minus 5 ℃ and is opened within the interval of 65 plus or minus 5 ℃. The fusing temperature of the built-in fuse of the over-temperature self-fuse is 102 ℃.

As a preferred embodiment of the present invention, the high liquid level electrode sensor 2 and the low liquid level electrode sensor 3 are both L-shaped structures, the sensing ends of the high liquid level electrode sensor 2 and the low liquid level electrode sensor 3 are both inserted into the evaporation water pan 1, and the non-sensing end passes through the control box and is connected to the inside of the control box. The high level electrode sensor 2 and the low level electrode sensor 3 are each an electrode bar/F03-01 (SUS 304).

As a preferred embodiment of the present invention, the controller 4 is reserved with a 485MODBUS wired communication interface; the controller 4 is also reserved with an LORA and NB-IOT wireless communication interface; and the signal butt joint with a field centralized control terminal and a cloud platform is facilitated.

As shown in fig. 3, the invention also provides an intelligent control evaporation method for a commercial refrigerator, which is implemented by using the intelligent control evaporation device for a commercial refrigerator and comprises the following steps:

s1, after the evaporation device is intelligently controlled by the commercial refrigerator to be electrified, the evaporation fan 8 runs;

s2, the controller 4 controls the heating wire 5 to start working by detecting the signal of the high liquid level electrode type sensor 2;

s3, the controller 4 controls the heating wire 5 to stop working by detecting the signal of the low liquid level electrode type sensor 3; and circulating through the interval liquid level. The interval liquid level control reduces frequent actions of the heating wires, avoids controlling water heating through a temperature control switch or controlling a heating mode through a floating ball liquid level, improves the reliability of the device and prolongs the service life.

When the heating wire 5 works, a temperature control protection switch 6 is added to prevent the evaporation device from being dried under the condition that the liquid level detection controller 4 fails or other abnormal conditions; when the method is implemented specifically, the method comprises the following steps:

s4, when the ambient temperature of the heating wire 5 reaches the temperature action value of the temperature control protection switch 6, the temperature control protection switch 6 cuts off the power supply of the heating wire 5;

and S5, when the temperature around the heating wire 5 drops to the temperature recovery value of the temperature control protection switch 6, the temperature control protection switch 6 closes the power supply of the heating wire 5.

When the heating wire 5 works, the overtemperature self-fuse 7 is added to prevent the evaporation device from being dried under the conditions that the liquid level detection controller 4 and the temperature control protection switch 6 are out of order or other abnormal conditions; when the method is implemented specifically, the method comprises the following steps:

and S6, when the ambient temperature of the heating wire 5 reaches the temperature action value of the over-temperature self-fuse 7, the fuse wire in the over-temperature self-fuse 7 is fused, and the heating wire stops heating.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.