CN211883480U

CN211883480U - Dry-burning-proof type heat-preservation meal selling table with intermediate relay protection electronic water level switch

Info

Publication number: CN211883480U
Application number: CN202020414063.2U
Authority: CN
Inventors: 王立刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-10
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a take auxiliary relay protection electron water level switch to prevent dry combustion method type heat preservation meal selling platform, include universal wheel, heating heat preservation piece, place the platform, prevent dry combustion method heat preservation piece, safety cover, support frame and prevent dry combustion method control assembly, the universal wheel is located on the heating heat preservation piece diapire, prevent dry combustion method control assembly and locate in the heating heat preservation piece, prevent dry combustion method heat preservation piece and locate on the heating heat preservation piece, place the platform and locate heating heat preservation piece lateral wall and be close to prevent dry combustion method heat preservation piece, the support frame is located on the heating heat preservation piece, the safety cover is located on the support frame, prevent dry combustion method heat preservation piece and locate in safety cover and the support frame. The utility model belongs to the technical field of the cooking utensil, specifically indicate that the dry combustion method type heat preservation is sold to the electronic water level switch of intermediate relay protection is equipped with the relay, and this equipment can stop the heating under the condition that does not have water in the meal platform is sold in the heat preservation through relay from control heating pipe, protection electronic water level switch and dry combustion method.

Description

Dry-burning-proof type heat-preservation meal selling table with intermediate relay protection electronic water level switch

Technical Field

The utility model belongs to the technical field of the cooking utensil, specifically indicate that take auxiliary relay protection electronic water level switch prevents dry combustion method type heat preservation meal selling platform.

Background

The meal selling table is a kitchen tool which is commonly used in unit canteens, small restaurants and boxed meal selling industries and is used for holding food. The heat preservation of food is particularly important because diners have different dining times and sometimes need to last for several hours. The existing meal selling table adopts an electric heating mode, and is particularly structurally characterized in that a portion basin made of metal materials is used for containing food and is placed on an electric heater and used for heating the food to keep warm. The heat preservation mode has the problem of uneven heating, because only heating is carried out at the bottom, the problems of overhigh local temperature and low temperature at other positions exist, the upper temperature and the lower temperature of food are ensured to be balanced by manually turning by operators frequently when the food is used, inconvenience is brought to users, the taste and the integrity of the food are also influenced, the heating speed is low, and the taste and the temperature of the food are easily influenced particularly in winter. The existing heat preservation meal selling table sold on the market is usually controlled by a simple switch, the switch is easy to damage, the heat preservation meal selling table must ensure sufficient internal moisture, otherwise, the equipment is easy to dry and burn, and internal devices are easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult problem, the utility model provides a take auxiliary relay protection electronic water level switch to prevent dry combustion method type heat preservation meal selling platform, this equipment are equipped with the relay, can stop the heating under the condition that does not have water in the meal selling platform of heat preservation through relay from control heating pipe, protection electronic water level switch and prevent dry combustion method.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: the anti-dry-burning type heat-preservation meal selling table comprises universal wheels, a heating heat-preservation piece, a placing table, an anti-dry-burning heat-preservation piece, a protective cover, a supporting frame and an anti-dry-burning control assembly, wherein the universal wheels are arranged on the bottom wall of the heating heat-preservation piece, the anti-dry-burning control assembly is arranged in the heating heat-preservation piece, the anti-dry-burning heat-preservation piece is arranged on the heating heat-preservation piece, the anti-dry-burning control assembly heats the heating heat-preservation piece, the heating heat-preservation piece heats the anti-dry-burning heat-preservation piece arranged on the heating heat-preservation piece, the placing table is arranged on the side wall of the heating heat-preservation piece and close to the anti-dry-burning heat-preservation piece, the supporting frame is arranged on the heating heat-preservation piece, the protective cover is arranged in; prevent dry combustion method control assembly includes temperature-sensing stick, heating pipe, work pilot lamp, power indicator, temperature detect switch, relay, temperature controller and water level electronic inductor, power indicator links to each other with the power electricity, temperature detect switch and power indicator electricity link to each other, water level electronic inductor and temperature detect switch electricity link to each other, relay and water level electronic inductor electricity link to each other, temperature controller and relay electricity link to each other, temperature-sensing stick and temperature controller electricity link to each other, heating pipe and temperature controller electricity link to each other, work pilot lamp and temperature controller electricity link to each other.

Furthermore, the normally closed pins of the first group of contacts of the relay and the normally closed pins of the second group of contacts of the relay are connected in series and electrically connected with the water level electronic inductor, so that the working power can be improved, and the power can be improved from 800-1000 watts to 1600-2000 watts.

Furthermore, the heating tube power is 1500W-2000W.

Furthermore, the upper wall of the heating and heat-insulating part is a hollow cavity.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a take intermediate relay protection electronic water level switch to prevent dry combustion method type heat preservation meal selling platform easy operation, creative intervention relay, realize output 1600 watts to 2000 watts work efficiency, work efficiency is improved, the time of having shortened hot meal, thereby the constancy of temperature is ensured in the setting of temperature-sensing stick and temperature controller, when the water level in the heating heat preservation reaches minimum water level line, water level electronic inductor can control the relay outage and stop for the heating pipe power supply, thereby guarantee that the heating pipe does not dry combustion method, ensure safety.

Drawings

FIG. 1 is an overall structure diagram of the dry-burning prevention type thermal insulation meal selling platform with an intermediate relay protection electronic water level switch;

FIG. 2 is a schematic diagram of an anti-dry heating control module of the anti-dry heating type thermal insulation meal selling platform with an intermediate relay for protecting the electronic water level switch;

fig. 3 is a schematic circuit connection diagram of the dry-burning prevention control component of the dry-burning prevention type thermal insulation meal selling table with the intermediate relay protection electronic water level switch of the utility model.

Wherein, 1, universal wheel, 2, heating heat preservation, 3, place the platform, 4, prevent dry combustion method heat preservation, 5, safety cover, 6, support frame, 7, prevent dry combustion method control assembly, 8, temperature-sensing stick, 9, heating pipe, 10, work pilot lamp, 11, power indicator, 12, temperature detect switch, 13, relay, 14, temperature controller, 15, water level electronic inductor.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the dry-burning-resistant thermal-insulation meal selling platform with the intermediate relay protection electronic water level switch comprises a universal wheel 1, a heating thermal-insulation piece 2, a placing platform 3, a dry-burning-resistant thermal-insulation piece 4, a protective cover 5, a supporting frame 6 and a dry-burning-resistant control component 7, wherein the universal wheel 1 is arranged on the bottom wall of the heating thermal-insulation piece 2, the dry-burning-resistant control component 7 is arranged in the heating thermal-insulation piece 2, the dry-burning-resistant thermal-insulation piece 4 is arranged on the heating thermal-insulation piece 2, the placing platform 3 is arranged on the side wall of the heating thermal-insulation piece 2 and is close to the dry-burning-resistant thermal-insulation piece 4, the supporting frame 6 is arranged on the heating thermal-insulation piece 2, the protective cover 5; prevent dry combustion method control assembly 7 includes temperature-sensing stick 8, heating pipe 9, work pilot lamp 10, power indicator 11, temperature detect switch 12, relay 13, temperature controller 14 and water level electronic inductor 15, power indicator 11 links to each other with the power electricity, temperature detect switch 12 links to each other with power indicator 11 electricity, water level electronic inductor 15 and temperature detect switch 12 electricity link to each other, relay 13 and water level electronic inductor 15 electricity link to each other, temperature controller 14 and relay 13 electricity link to each other, temperature-sensing stick 8 and temperature controller 14 electricity link to each other, heating pipe 9 and temperature controller 14 electricity link to each other, work pilot lamp 10 and temperature controller 14 electricity link to each other.

The water level electronic inductor 15 is connected with the power indicator lamp 11 in series.

The power of the heating pipe 9 is 1500W-2000W.

The upper wall of the heating and heat-insulating part 2 is a hollow cavity.

When the temperature control switch 12 is pressed by an operator, the power supply is turned on, the temperature controller 14 is turned on, the fixed temperature is adjusted, the relay 13 starts to work, the working efficiency of 1600 watts to 2000 watts is output, the working indicator lamp 10 and the power indicator lamp 11 are both in a high brightness state, when the temperature reaches the preset temperature, the temperature sensing rod 8 controls the temperature controller 14 to be powered off and stop working, when the temperature is lower than the preset temperature again, the temperature sensing rod 8 controls the temperature controller 14 to be turned on again to ensure the temperature to be constant, when the water level in the heating and heat-insulating piece 2 reaches the lowest water level line, the water level electronic inductor 15 controls the relay 13 to be powered off and stop supplying power to the heating pipe 9, so that the heating pipe 9 is ensured not to be burnt dry, the safety is ensured, even if the temperature does not reach the preset temperature, when the water level is still at the lowest water level line, the relay 13 does not operate.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. Take intermediate relay protection electronic water level switch dry combustion method prevention type heat preservation meal selling platform, its characterized in that: the device comprises universal wheels, a heating and heat-insulating piece, a placing table, an anti-dry-burning heat-insulating piece, a protective cover, a supporting frame and an anti-dry-burning control assembly, wherein the universal wheels are arranged on the bottom wall of the heating and heat-insulating piece; prevent dry combustion method control assembly includes temperature-sensing stick, heating pipe, work pilot lamp, power indicator, temperature detect switch, relay, temperature controller and water level electronic inductor, power indicator links to each other with the power electricity, temperature detect switch and work pilot lamp electricity link to each other, water level electronic inductor and power indicator electricity link to each other, water level electronic inductor and temperature detect switch electricity link to each other, relay and water level electronic inductor electricity link to each other, temperature controller and relay electricity link to each other, temperature-sensing stick and temperature controller electricity link to each other, heating pipe and temperature controller electricity link to each other, work pilot lamp and temperature controller electricity link to each other.

2. The dry-burning-preventing type thermal-insulating meal selling table with the intermediate relay protection electronic water level switch as claimed in claim 1, wherein: the water level electronic inductor is connected with the power indicator lamp in series.

3. The dry-burning-preventing type thermal-insulating meal selling table with the intermediate relay protection electronic water level switch as claimed in claim 1, wherein: the heating tube power is 1500W-2000W.

4. The dry-burning-preventing type thermal-insulating meal selling table with the intermediate relay protection electronic water level switch as claimed in claim 1, wherein: the upper wall of the heating and heat-insulating part is arranged in a hollow cavity.