CN222968322U

CN222968322U - Point-wrapping steam display cabinet with non-contact water level sensing and intelligent temperature control functions

Info

Publication number: CN222968322U
Application number: CN202421674344.6U
Authority: CN
Inventors: 石瑛
Original assignee: Jiangmen Huiyu Intelligent Manufacturing Technology Co ltd
Current assignee: Jiangmen Huiyu Intelligent Manufacturing Technology Co ltd
Priority date: 2024-07-16
Filing date: 2024-07-16
Publication date: 2025-06-13
Anticipated expiration: 2034-07-16

Abstract

The utility model discloses a steamed bun display cabinet with non-contact water level sensing and intelligent temperature control, aiming to solve the problems of inaccurate water level monitoring, high energy consumption, complex operation and unstable temperature control in traditional display cabinets. The display cabinet adopts a non-contact water level sensing plate, which accurately monitors the water level through capacitance or ultrasonic technology to avoid scale interference and improve equipment reliability and service life; the intelligent control circuit realizes the automatic switching function of temperature control and timing through relays or electronic switches, and automatically switches to the insulation mode after the timing ends, without manual intervention, improving the convenience and efficiency of operation; the lighting device is automatically turned off during steaming to achieve energy saving effect, reduce energy consumption and operation complexity.

Description

Point-wrapping steam display cabinet with non-contact water level sensing and intelligent temperature control functions

Technical Field

The utility model relates to the technical field of food heating and display, in particular to a spot-wrapping steam display cabinet with non-contact water level sensing and intelligent temperature control.

Background

With the improvement of living standard and the improvement of consumer demand on food quality, the spot-wrapping steam display cabinet is widely applied to convenience stores, snack stores, supermarkets, restaurants, hotels and other places. However, conventional spot-wrapping steam display cabinets currently on the market still have some problems in practical use, such as:

1. conventional spot-wrapped steam display cabinets typically employ a contact water level sensor. Such sensors are susceptible to scale and other impurities, resulting in inaccurate and even failure of water level monitoring. The maintenance frequency of the equipment is increased, the equipment can not be timely reminded when the water level is too low, the heating pipe is dry-burned, and the potential safety hazard is large.

2. In terms of energy consumption management, the design of conventional display cases does not adequately address energy conservation requirements. During cooking, the lighting device is usually kept on, or needs to be manually turned off by the user. The method not only wastes energy, but also increases the complexity of operation, and does not accord with the current trend of environmental protection and energy saving.

3. The traditional showcase has the defects in the design of temperature control and timing functions. The user needs to manually adjust the temperature control and timing functions, the operation is complex and easy to make mistakes, and the optimal heat preservation effect of food cannot be ensured. This not only reduces the convenience of use, but also affects the mouthfeel and quality of the food.

To overcome the above problems, attempts have been made in the industry to employ more sophisticated sensing techniques or more durable lighting devices. However, these improvements often present new problems in practical applications. For example, while more elaborate touch sensors reduce errors to some extent, they still do not completely avoid the effects of scale, while more durable lighting devices increase cost.

Therefore, how to improve the reliability, energy saving and operation convenience of the equipment is a technical problem to be solved by the utility model.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the spot-covered steam display cabinet with non-contact water level sensing and intelligent temperature control, so as to solve the problems of inaccurate water level monitoring, high energy consumption, complex operation and unstable temperature control in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a package point steam display cabinet that possesses non-contact water level response and intelligent accuse temperature, includes the cabinet body, the base, go up frame, lighting device and intelligent control circuit, the cabinet body is formed by the welding of steel pipe, be furnished with all-steel transparent safety glass all around, the base includes bottom plate, the panel, enclose body and water tray, the bottom plate is located the bottom of base, panel vertical fixed connection is in the front side of bottom plate, enclose body vertical fixed connection is around the bottom plate, the water tray level is fixed in the top of bottom plate, the beaker has been placed to the water tray top, the water tank is fixed in the rear portion of bottom plate, be equipped with the pilot lamp on the panel, the temperature controller, the time-recorder, two plug sockets, boat type switch and power cord, main control circuit board is installed on the panel back, install non-contact water level response board and tee bend pipe on the water tank, install the heating tube on the beaker, lighting device installs the top at last frame, including lamp holder and bulb, the display cabinet still includes intelligent control circuit, temperature controller, time-recorder and lighting device, realize temperature control and automatic switch function through main control circuit board control, time-recorder automatic switch-over time-recorder, the automatic temperature control, time-recorder makes the automatic temperature control and automatic control switch-recorder, the time-recorder realizes for the electronic control switch-recorder when the temperature-recorder is switched off when the intelligent control switch reaches the realization of the power and the electronic control of the time-recorder is finished to the electric control.

As a further scheme of the utility model, the upper frame comprises an upper frame pipe frame, door glass, a door inner side plate, a door outer side plate, a handle base, a handle cover, a buckle type magnetic attraction, side glass, a water draining plate, top glass, a door hinge, a wire pressing buckle, a top side plate, a milk white plate and a top cover plate, wherein the door glass is installed between the door inner side plate and the door outer side plate through the buckle type magnetic attraction, the door inner side plate and the door outer side plate are fixedly connected through screws, the handle base is fixed on one side of the door outer side plate, the handle is fixed on the handle base through screws, the handle cover covers the outside of the handle, the upper frame pipe frame is fixedly connected above the base, the side glass is fixed on two sides of the upper frame pipe frame through glass cement, the water draining plate is horizontally fixed on the top of the upper frame pipe frame, the door hinge is fixed on one side of the upper frame through screws, the door hinge is connected with the upper frame pipe frame, the wire pressing buckle is inserted into a reserved groove on the upper portion of the upper frame pipe frame, the milk white plate is vertically fixed on the top side plate and the top is fixed on the top of the upper frame pipe frame through screws.

As a further scheme of the utility model, the water draining plate is horizontally fixed above the upper rack by using glass cement, the top glass is horizontally fixed on the water draining plate by using glass cement, and the side glass is vertically fixed on two sides of the upper rack by using glass cement.

As a further scheme of the utility model, the main control circuit board is fixed on the back of the panel through screws, and is electrically connected with the indicator lamp, the temperature controller, the timer, the two-plug socket, the ship-shaped switch, the heating pipe and the non-contact water level sensing board through wires, and the intelligent control circuit is connected to the temperature controller, the timer and the lighting device through wires.

As a further scheme of the utility model, the lighting device comprises a lamp cap and a bulb, wherein the lamp cap is vertically fixed below the draining board through screws, and the bulb is inserted into and fixed in the lamp cap.

As a further scheme of the utility model, the non-contact water level sensing plate adopts a capacitive or ultrasonic technology, water level monitoring is realized by sensing water level change in the water tank, the non-contact water level sensing plate is arranged on the outer wall of the water tank, and the sensing plate is connected to the main control circuit board through a wire.

As a further scheme of the utility model, the heating tube is horizontally arranged at the bottom of the beaker, the heating tube is electrically connected with the main control circuit board, and the heating and heat preservation processes are controlled through the temperature controller and the timer, so that the automatic temperature control and timing functions are realized.

As a further scheme of the utility model, the net rack is detachably arranged in the upper rack pipe frame, and the net rack supporting bars are horizontally fixed on the inner wall of the upper rack pipe frame and used for supporting the net rack.

As a further scheme of the utility model, the non-contact water level sensing plate monitors the water level in the water tank in a capacitive or ultrasonic mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. The non-contact water level sensing plate is adopted in the spot-covered steam display cabinet, and accurate monitoring of the water level in the water tank is realized through a capacitive or ultrasonic technology. Compared with the traditional contact type water level sensor, the non-contact type water level sensor has the advantages that the influence of scale and other impurities on the sensor is avoided, and the reliability and the service life of the device are greatly improved. The design not only reduces maintenance frequency, but also ensures stable control of water level in the cooking process, prevents the heating tube from dry burning, and improves the safety of equipment.

2. The intelligent control circuit automatically cuts off the power supply of the lighting device through a relay or an electronic switch by utilizing the characteristic that the lighting device does not need to be displayed in the stewing process, so that the energy saving is realized. Compared with the traditional display cabinet which usually keeps the lighting device in an on state when in cooking or needs a mode that a user manually turns off the lighting, the energy consumption is reduced, the manual operation steps are simplified, and the service life of the lighting device is prolonged.

3. The intelligent temperature control and timing automatic switching function is realized by connecting the temperature controller and the timer through the main control circuit board. Specifically, after the set timer is counted down, the intelligent control circuit can automatically switch to a temperature control mode, so that the showcase is kept at the preset heat preservation temperature. The function enables the display cabinet to automatically adjust the working mode in different operation stages without manual intervention, and improves the convenience of use and the operation efficiency. Meanwhile, through accurate temperature control, the optimal heat preservation effect of the food is guaranteed, and the taste and quality of the food are improved.

4. The display cabinet is formed by welding steel pipes, is provided with the fully tempered transparent safety glass, and has good firmness, safety and air tightness. The all-steel transparent safety glass not only enhances the aesthetic property of the equipment, but also can clearly show the optimal color and luster of food, attracts customers to look at, and improves the sales effect. In addition, the safety design of the intelligent control system is combined, so that the overall safety performance of the equipment is further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic diagram of an explosive structure according to the present utility model.

Fig. 2 is a schematic diagram of the assembled state of fig. 1.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, in the embodiment of the utility model, a spot-covered steam display cabinet with non-contact water level sensing and intelligent temperature control comprises a cabinet body 1, a base 2, an upper frame 14, a lighting device 15 and an intelligent control circuit, wherein the cabinet body is formed by welding steel pipes and is provided with all-steel transparent safety glass all around, the base 2 comprises a bottom plate 201, a panel 202, a surrounding body 203 and a water tray 204, the bottom plate 201 is positioned at the lowest part of the base 2, the panel 202 is vertically and fixedly connected to the front side of the bottom plate 201, the surrounding body 203 is vertically and fixedly connected to the periphery of the bottom plate 201, the water tray 204 is horizontally fixed above the bottom plate 201, a beaker 10 is placed above the water tray 204, a water tank 9 is fixed at the rear part of the bottom plate 201, an indicator lamp 3, a temperature controller 4, a timer 5, a two-plug socket 6, a boat-shaped switch 7 and a power cord 8 are arranged on the back of the panel 202, a non-contact water level sensing plate 207 and a three-way water tube 11 are arranged on the water tank 9, a heating 12 is arranged on the beaker 10, the lighting device 15 is arranged at the top part of the upper frame 14, the top of the lamp 14 is vertically and fixedly connected to the front side of the bottom plate 201, the panel 202 is vertically and fixedly connected to the intelligent control circuit 5, the intelligent control circuit is automatically and automatically controlled by the timer 4 or the intelligent control circuit is automatically by switching off, the timer and the timer circuit 15 and the intelligent control circuit is automatically controlled by the timer circuit.

As a further scheme of the present utility model, the upper frame 14 includes an upper frame pipe frame 1401, a door glass 1301, a door inner side plate 1302, a door outer side plate 1303, a handle base 1304, a handle 1305, a handle cover 1306, a snap-in magnetic attraction 1307, a side glass 1402, a drain plate 1403, a top glass 1404, a door hinge 1405, a wire clip 1406, a top side plate 1407, a milk white plate 1410 and a top cover plate 1411, wherein the door glass 1301 is installed between the door inner side plate 1302 and the door outer side plate 1303 through the snap-in magnetic attraction 1307, the door inner side plate 1302 is fixedly connected with the door outer side plate 1303 through screws, the handle base 1304 is fixed on one side of the door outer side plate 1303, the handle 1305 is fixed on the handle base 1304 through screws, the handle cover 1306 covers the outside of the handle 1305, the upper rack 1401 is fixedly connected above the base 2, the side glass 1402 is fixed on two sides of the upper rack 1401 through glass cement, the drain plate 1403 is horizontally fixed on the inner top of the upper rack 1401, the top glass 1404 is horizontally fixed above the drain plate 1403, the door hinge 1405 is fixed on one side of the upper rack 1401 through screws, the door is connected with the upper rack 1401 through the door hinge 1405, the line pressing buckle 1406 is fixed on the inner part of the upper rack 1401, the top side plate 1407 is inserted into an upper reserved groove of the upper rack 1401, the milk white plate 1410 is vertically fixed on the top side plate 1407, and the top cover plate 1411 is fixed on the top of the upper rack 1401 through screws.

The drain plate 1403 is fixed above the upper rack 1401 with glass cement, the top glass 1404 is fixed on the drain plate 1403 with glass cement, and the side glass 1402 is fixed vertically on both sides of the upper rack 1401 with glass cement. The main control circuit board 208 is fixed on the back of the panel 202 through screws, and is electrically connected with the indicator lamp 3, the temperature controller 4, the timer 5, the two-plug socket 6, the boat-shaped switch 7, the heating tube 12 and the non-contact water level sensing plate 207 through wires, and the intelligent control circuit is connected to the temperature controller 4, the timer 5 and the lighting device 15 through wires. The lighting device 15 includes a lamp cap 1408 and a bulb 1409, the lamp cap 1408 is vertically fixed below the drain plate 1403 by screws, and the bulb 1409 is inserted into and fixed in the lamp cap 1408.

The non-contact water level sensing plate 207 adopts a capacitive or ultrasonic technology, water level monitoring is achieved by sensing water level changes in the water tank 9, the non-contact water level sensing plate 207 is mounted on the outer wall of the water tank 9, and the sensing plate is connected to the main control circuit board 208 through a wire. The heating tube 12 is horizontally arranged at the bottom of the beaker 10, the heating tube 12 is electrically connected with the main control circuit board 208, and the heating and heat preservation processes are controlled through the temperature controller 4 and the timer 5, so that the automatic temperature control and timing functions are realized.

The rack 1412 is detachably mounted inside the upper rack 1401, and rack supporting bars 1413 are horizontally fixed to the inner wall of the upper rack 1401 for supporting the rack 1412. The non-contact water level sensing plate 207 monitors the water level in the water tank 9 by capacitive or ultrasonic means.

Example 1:

In particular use, the display case monitors the water level in the water tank 9 via the non-contact water level sensing plate 207. The non-contact water level sensing plate 207 adopts a capacitive or ultrasonic technology to realize accurate monitoring of the water level in the water tank 9. The design avoids the problem that the traditional contact sensor is easily affected by scale and impurities, and greatly improves the reliability and service life of the equipment. Through accurate water level monitoring, ensure the stable control of water level in the cooking process, prevent heating tube 12 dry combustion method, improve the security of equipment.

In the aspect of energy consumption management, the intelligent control circuit automatically cuts off the power supply of the lighting device at the beginning of cooking through a relay or an electronic switch so as to realize energy conservation. Conventional display cases often maintain the lighting device on during the cooking process or require the user to manually turn off the lighting, which not only wastes energy, but also increases operational complexity. According to the embodiment, the lighting device is automatically managed through intelligent control, so that the energy consumption is reduced, and the service life of the lighting device is prolonged.

The showcase also has the functions of intelligent temperature control and timing automatic switching. The main control circuit board 208 is connected with the temperature controller 4 and the timer 5, and realizes the automatic switching function of temperature control and timing. The user can set for the time-recorder, and after the time of settlement is finished, intelligent control circuit can automatic switch to the control by temperature change mode, makes the show cupboard keep at preset heat preservation temperature. The function enables the display cabinet to automatically adjust the working mode in different operation stages without manual intervention, and improves the convenience of use and the operation efficiency. Through accurate temperature control, the optimal heat preservation effect of the food is guaranteed, and the taste and quality of the food are improved.

The showcase is formed by welding steel pipes, and all-steel transparent safety glass is arranged around the showcase. The device not only enhances the aesthetic property of the device, but also can clearly display the optimal color and luster of the food, attract the eyes of customers and improve the sales effect. And the safety design of the intelligent control system is combined, so that the overall safety performance of the equipment is further improved.

In summary, the application of the non-contact water level sensing plate, the realization of the intelligent temperature control and timing automatic switching function and the energy-saving design solve the defects of the traditional spot-wrapping steam display cabinet in water level monitoring, energy consumption management and operation convenience, remarkably improve the reliability, energy saving performance and user experience of the equipment, and are suitable for places such as convenience stores, snack stores, supermarkets, restaurants and hotels.

Example 2:

A point-wrapping steam display cabinet with non-contact water level sensing and intelligent temperature control comprises a cabinet body, a base, an upper frame, a lighting device and an intelligent control circuit. The cabinet body is formed by welding steel pipes, is provided with all-steel transparent safety glass, and has good firmness, safety and air tightness. The following is a specific implementation of this example:

Base portion base 2 includes floor 201, panel 202, enclosure 203, and water tray 204. The bottom plate 201 is located at the lowest part of the base 2, the panel 202 is vertically and fixedly connected to the front side of the bottom plate 201, the surrounding body 203 is vertically and fixedly connected to the periphery of the bottom plate 201, and the water tray 204 is horizontally fixed above the bottom plate 201. Above the water tray 204 is placed a beaker 10, and the water tank 9 is fixed to the rear of the bottom plate 201. The panel 202 is provided with an indicator lamp 3, a temperature controller 4, a timer 5, a two-plug socket 6, a ship-shaped switch 7 and a power cord 8, and the back of the panel 202 is provided with a main control circuit board 208. The water tank 9 is provided with a non-contact water level sensing plate 207 and a three-way water pipe 11, and the beaker 10 is provided with a heating pipe 12.

Upper rack portion upper rack 14 includes upper rack tube rack 1401, door glass 1301, door inner side panel 1302, door outer side panel 1303, handle base 1304, handle 1305, handle cover 1306, snap-in magnetic 1307, side glass 1402, drain board 1403, top glass 1404, door hinge 1405, wire snap 1406, top side panel 1407, millboard 1410, and top cover plate 1411. Door glass 1301 is mounted between door inner plate 1302 and door outer plate 1303 by snap-in magnetic attraction 1307, door inner plate 1302 and door outer plate 1303 are fixedly connected by screws, handle base 1304 is fixed on one side of door outer plate 1303, handle 1305 is fixed on handle base 1304 by screws, and handle cover 1306 covers the outside of handle 1305. The upper rack 1401 is fixedly connected above the base 2, the side glass 1402 is fixed on two sides of the upper rack 1401 through glass cement, the drain plate 1403 is horizontally fixed on the inner top of the upper rack 1401, the top glass 1404 is horizontally fixed above the drain plate 1403, the door hinge 1405 is fixed on one side of the upper rack 1401 through screws, the door is connected with the upper rack 1401 through the door hinge 1405, the line pressing buckle 1406 is fixed in the upper rack 1401, the top side plate 1407 is inserted into an upper reserved groove of the upper rack 1401, the milk white plate 1410 is vertically fixed on the top side plate 1407, and the top cover plate 1411 is fixed on the top of the upper rack 1401 through screws.

The intelligent control system is characterized in that an intelligent control circuit of the showcase is connected with the temperature controller 4, the timer 5 and the lighting device, and the temperature controller 4 and the timer 5 are controlled by the main control circuit board 208 to realize the functions of temperature control and timing automatic switching. The user can set for the time-recorder, and after the time of settlement is finished, intelligent control circuit can automatic switch to the control by temperature change mode, makes the show cupboard keep at preset heat preservation temperature. The function enables the display cabinet to automatically adjust the working mode in different operation stages without manual intervention, and improves the convenience of use and the operation efficiency.

Non-contact water level sensing the display case monitors the water level in the water tank 9 through the non-contact water level sensing plate 207. The non-contact water level sensing plate 207 adopts a capacitive or ultrasonic technology to realize accurate monitoring of the water level in the water tank 9. While conventional contact sensors are susceptible to scale and impurities, the non-contact design of the present embodiment avoids this problem, greatly improving the reliability and lifetime of the device. Through accurate water level monitoring, ensure the stable control of water level in the cooking process, prevent heating tube 12 dry combustion method, improve the security of equipment.

In the aspect of energy consumption management, the intelligent control circuit automatically cuts off the power supply of the lighting device through a relay or an electronic switch when the cooking starts so as to realize energy saving. Conventional display cases often either maintain the lighting device on during the cooking process or require the user to manually turn the lighting device off, which not only wastes energy, but also increases operational complexity. According to the embodiment, the lighting device is automatically managed through intelligent control, so that the energy consumption is reduced, and the service life of the lighting device is prolonged.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a package point steam display cabinet with non-contact type water level sensing and intelligent temperature control, which is characterized by comprising a cabinet body, a base, the upper bracket, lighting device and intelligent control circuit, the cabinet body is formed by the welding of steel pipe, all around is furnished with transparent safety glass of full rigidity, the base includes bottom plate, the panel, enclose body and water tray, the bottom plate is located the bottom of base, panel vertical fixed connection is in the front side of bottom plate, enclose body vertical fixed connection is around the bottom plate, the water tray level is fixed in the top of bottom plate, the beaker has been placed to the water tray top, the water tank is fixed in the rear portion of bottom plate, be equipped with pilot lamp on the panel, the temperature controller, the time-recorder, two socket, boat type switch and power cord, the main control circuit board is installed on the panel back, install non-contact type water level sensing board and tee bend pipe on the water tank, install the heating tube on the beaker, lighting device installs at the top of upper bracket, including lamp holder and bulb, the display cabinet still includes intelligent control circuit, intelligent control circuit connects temperature controller, time-recorder and lighting device, realizes temperature controller and automatic time-recorder switching function through main control circuit board control temperature-controller and automatic time-recorder, when the automatic time-recorder is switched over, the automatic temperature controller is set for the automatic temperature controller is realized to the automatic time-recorder, the automatic time-recorder is switched off when the automatic temperature controller is realized to the automatic time-recorder, the electronic control device is set for the automatic time-recorder and the temperature controller when the automatic time-recorder is switched to realize the temperature control.

2. The steam display cabinet with the non-contact water level sensing and intelligent temperature control functions according to claim 1, wherein the upper frame comprises an upper frame pipe frame, door glass, a door inner plate, a door outer plate, a handle base, handles, a handle cover, a buckle type magnetic attraction, side glass, a water drain plate, top glass, a door hinge, a line pressing buckle, a top side plate, a milk white board and a top cover plate, the door glass is installed between the door inner plate and the door outer plate through the buckle type magnetic attraction, the door inner plate is fixedly connected with the door outer plate through screws, the handle base is fixed on one side of the door outer plate, the handles are fixed on the handle base through screws, the handle cover covers the outside of the handles, the upper frame pipe frame is fixedly connected above the base, the side glass is fixed on two sides of the upper frame pipe frame through glass cement, the water drain plate is horizontally fixed on the inner top of the upper frame, the door hinge is fixed on one side of the upper frame through screws, the door white board is connected with the upper frame pipe frame through the door hinge, the buckle type magnetic attraction is fixed on the inner side of the upper frame, the handle base is fixed on one side of the upper frame pipe frame through screws, the handle cover is fixed on the upper frame pipe frame through screws, the top cover is fixed on the upper frame through the top side of the upper frame, and the top cover plate is fixed on the upper frame through the top side.

3. The steam display cabinet with the non-contact water level sensing and intelligent temperature control functions according to claim 2, wherein the water draining plate is horizontally fixed above the upper rack through glass cement, the top glass is horizontally fixed on the water draining plate through glass cement, and the side glass is vertically fixed on two sides of the upper rack through glass cement.

4. The vapor display cabinet with non-contact water level sensing and intelligent temperature control functions according to claim 1, wherein the main control circuit board is fixed on the back of the panel through screws and is electrically connected with the indicator lamp, the temperature controller, the timer, the two-plug socket, the ship-shaped switch, the heating tube and the non-contact water level sensing board through wires, and the intelligent control circuit is connected to the temperature controller, the timer and the lighting device through wires.

5. The spot-covered steam showcase with non-contact water level sensing and intelligent temperature control according to claim 1, wherein the lighting device comprises a lamp cap and a lamp bulb, the lamp cap is vertically fixed below the water draining plate through screws, and the lamp bulb is inserted into and fixed in the lamp cap.

6. The steam display cabinet with non-contact water level sensing and intelligent temperature control functions according to claim 1, wherein the non-contact water level sensing plate is a capacitive or ultrasonic technology, water level monitoring is achieved by sensing water level changes in a water tank, the non-contact water level sensing plate is arranged on the outer wall of the water tank, and the sensing plate is connected to a main control circuit board through a wire.

7. The spot-wrapping steam showcase with the non-contact water level sensing and intelligent temperature control functions according to claim 1, wherein the heating tube is horizontally arranged at the bottom of the beaker, the heating tube is electrically connected with the main control circuit board, and the heating and heat preservation processes are controlled through the temperature controller and the timer, so that the automatic temperature control and timing functions are realized.

8. The steam display cabinet with non-contact water level sensing and intelligent temperature control functions according to claim 1, further comprising a net rack detachably mounted inside the upper rack, wherein net rack supporting bars are horizontally fixed on the inner wall of the upper rack and used for supporting the net rack.

9. The spot-covered steam showcase with non-contact water level sensing and intelligent temperature control according to claim 1, wherein the non-contact water level sensing plate monitors the water level in the water tank in a capacitive or ultrasonic mode.