JP4490675B2 - Warm storage - Google Patents

Description

  The present invention relates to a warm storage, and more particularly to a commercial warm storage that includes a cabinet and keeps cooked food at a predetermined temperature.

  Conventionally, for example, Patent Document 1 discloses a storage case as this type of storage, and the storage case includes a display space surrounded by an external housing having an opening on the front surface. An air curtain that flows upward from the lower end to the upper end is formed in the opening, a display shelf is disposed horizontally in the display space, and a reflector that is bent in a zigzag shape above the display shelf is provided. A heater that is horizontally disposed and radiates far-infrared rays toward the lower surface of the reflecting plate is disposed on the rear inner wall surface of the display space.

Patent Document 2 describes a refrigerated / warm open showcase. The refrigerated / warm open showcase includes a cooling means, a warming means, and a blower means in a housing having an opening on the front surface. And a first ventilation port is formed in the upper part of the opening, and a second ventilation port is provided in the lower part, and when refrigerated, the first ventilation port is exhausted and the second ventilation port is sucked. The air curtain is configured to be exhausted from the second ventilation port and to be sucked from the first ventilation port at the time of warm storage, and is configured to form an air curtain. It is configured to circulate in a passage formed in the section, and a ventilation hole is opened in the passage so that air in the air curtain passes through the inside of the product shelf, and is sucked into the ventilation hole. With air from the air curtain Retirement, or is configured to be heated.
JP 2001-269249 A Japanese Utility Model Publication No. 3-80282

  The warm storage case described in Patent Document 1 and the refrigerated / warm open showcase described in Patent Document 2 both form an air curtain at the front opening, and the air curtain extends from the upper end to the lower end of the opening. For this reason, there is a problem in that air leakage is large, the efficiency of the air curtain is poor, and electricity costs are required.

  Further, even when heating, the whole is heated substantially uniformly, and different heating cannot be performed corresponding to a plurality of products.

  Furthermore, although some products require humidification to prevent drying, no humidifying device is provided.

  Therefore, there is a technical problem to be solved in order to prevent air leakage from the air curtain, increase the efficiency of the air curtain, and obtain a warm storage room capable of different heating and humidification corresponding to a plurality of products. The present invention aims to solve this problem.

The present invention has been proposed in order to achieve the above object, and the invention according to claim 1 divides the inside of the housing having an opening at the front into a plurality of stages and humidifies each of the compartments. the humidifier nozzle is arranged for a pair of air outlet and blow port for forming an air curtain provided and respectively face the upper and lower portions of the opening near each compartment was further divided into the plurality few stages The present invention provides a warm storage room in which heaters for keeping warm in the respective compartments are respectively provided at the upper and lower portions of each compartment .

  According to the first aspect of the present invention, since each compartment can be kept warm or humidified independently or simultaneously, it is possible to perform any warming and humidification corresponding to a plurality of different products, and uniform and optimal warming and moisturizing. The situation can be obtained, and the air curtain can be prevented from leaking and the efficiency of the air curtain can be increased.

According to this invention, it is possible to uniformly kept warm compartment of the product from above and below.

According to this invention, from top to bottom or from bottom to top it is possible to form an air curtain, so to form an air curtain with a short length, the leakage of the air curtain is less efficient.

The invention according to claim 2 provides the warm storage according to claim 1 , wherein the humidifying nozzle is disposed at an upper rear portion in each compartment and has a plurality of jet holes for jetting in two directions. To do.

According to the second aspect of the present invention, each compartment can be efficiently humidified , and the compartments can be humidified simultaneously and uniformly .

According to a third aspect of the present invention, the humidifying nozzle is connected to a humidifying tank, and the humidifying tank is partitioned so that a lower portion thereof communicates with at least one partition wall, and is partitioned in each partition section partitioned horizontally by the partition wall. The warm storage room according to claim 1 or 2, further comprising a heater, and the discharge port at a substantially upper center of each compartment.

According to the third aspect of the present invention, since each compartment can be humidified to generate steam , each of the compartments can be appropriately humidified and water in the humidification tank can be easily replenished. .

According to a fourth aspect of the present invention, a water supply port is provided in a lower side portion of the side end section of the humidifying tank, and a float floating in water and a float sensor for detecting the vertical movement of the float are disposed in the section. there is provided a heating cabinet according to claim 3 Symbol mounting, characterized in that the set.

According to the fourth aspect of the present invention, a water supply port is provided on the lower side of the side end section of the humidifying tank, and a float floating in water and a float sensor for detecting the vertical movement of the float are disposed in the section. Because it was installed, the water level in the humidification tank can be easily detected.

  The invention according to claim 1 of the present invention partitions the inside of the housing having an opening in the front into a plurality of stages, and provides heaters for keeping warm the respective compartments partitioned into the plurality of stages, and Since the humidifying nozzle is provided for humidifying each compartment, and a pair of outlets and inlets for forming an air curtain is provided in the vicinity of the opening of each compartment. In addition, since each compartment can be kept warm or humidified independently or simultaneously, it can perform any desired warming and humidification corresponding to a plurality of different products, and can obtain uniform and optimal warming and moisturizing. Air leakage can be prevented and the efficiency of the air curtain can be increased.

Further, this invention, since the heater is disposed in the upper and lower portions of each compartment, in addition to the above effects, it is possible to uniformly heat insulation products of the compartment from the upper and lower.

Further, this invention, since the air outlet and inlet are arranged to face the upper and lower portions of each compartment in the vicinity of the opening, in addition to the above effects, the upper bottom, or from bottom to top Since the air curtain is formed with a short length, there is little air leakage from the air curtain and the efficiency is good.

Furthermore, in the invention described in claim 2 , since the humidification nozzle is disposed in the upper rear part of each compartment, in addition to the invention described in claim 1, each compartment can be humidified efficiently. In the present invention, since the humidifying nozzle includes a plurality of ejection holes that inject in different directions, in addition to the above effects, the compartment can be humidified simultaneously and uniformly.

According to a third aspect of the present invention, the humidifying nozzle is connected to a humidifying tank, and the humidifying tank is partitioned so that the lower part communicates with at least one partition wall, and a heater is provided in each partition section partitioned by the partition wall. Therefore, in addition to the effects of the inventions of claims 1 and 2, it is possible to easily and efficiently generate steam for each partition, and to perform appropriate humidification in the partition, respectively. Despite the configuration in which steam is generated for each compartment, since there is only one humidifying tank, it is easy to replenish the water in the humidifying tank, and there are significant effects such as cost reduction. be able to.

Furthermore, the invention described in claim 4 is provided with a water supply port at a lower side portion of the side end partition section of the humidifying tank, and a float floating in the water and a float sensor for detecting the vertical movement of the float are disposed in the partition section. Since it is provided, the water level in the humidification tank is detected by the float and the float sensor, automatic water supply is performed, the water level in the humidification tank is kept constant, and water supply to the humidification tank is simple.

  Each of the sections divided into a plurality of stages has the purpose of preventing air leakage from the air curtain, increasing the efficiency of the air curtain, and obtaining a warm storage that can be heated and humidified differently for multiple products. A heater for keeping the compartments warm, a humidifying nozzle for humidifying each compartment, and a pair of outlets for forming an air curtain in the vicinity of the opening of each compartment And achieved by a warm storage with a suction port.

  An embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3, reference numeral 1 denotes a warm storage, and the warm storage 1 includes a housing 3 having an opening 2 in the front, and the housing 3 includes five shelf plates 4, 4. .. Are divided into five compartments 5, 5... And heaters 6, 6... Made of aluminum foil heaters are provided on substantially the entire upper and lower portions of the compartments 5, 5. A humidifying nozzle provided with a spray hole (not shown) that can be sprayed in the left and right directions in order to humidify each of the compartments 5, 5 ... in the upper rear part of the compartments 5, 5 ... Are disposed in the vicinity of the opening 2 of each of the compartments 5, 5,..., And a pair of blowout ports 8, 8,. ... is provided. The air ejected from the ejection ports 8, 8 ... is ejected at a predetermined pressure by the blowers 10, 10 ... arranged in the respective compartments 5, 5 ..., and the ejection ports are provided via the ducts 11, 11 ... Sent to 8, 8.

  The ejection port 8 and the suction port 9 are respectively arranged up and down. However, the suction port 9 may be disposed upward and the ejection port 8 may be disposed downward. Can be expected to have substantially the same effect.

  Further, although not shown in the figure, temperature sensors for detecting a heat retaining state by the heaters 6, 6... Are installed in the respective compartments 5, 5.

  Slide rails 12, 12, 12 extending in the front-rear direction are disposed in the vicinity of the central portion of the lower surface and the left and right ends of the shelf plate 4, and two containers 13, 13 having a substantially rectangular dish shape in plan view are disposed in the container 13. , 13 are guided by the slide rails 12, 12, 12 so as to be freely put in and out. In the figure, 14, 14... Are blower switches for turning on and off the blowers 10, 10... For blowing air ejected from the ejection ports 8, 8.

  The humidifying nozzles 7, 7... Are connected to a humidifying tank 16 shown in FIG. 4 provided at the lower part of the casing 3, and the humidifying tank 16 is partitioned by five partition walls 17, 17. The heaters 19, 19,... Made up of sheathed heaters are respectively arranged in the left five partitions 18, 18,... Of FIG. A float 20 is disposed in the partition portion 18. The float 20 is provided with a float sensor 21 that detects the vertical movement of the float 20, and a water supply port 22 is provided on the lower side of the humidifying tank 16.

  FIG. 5 shows operation panels 23 provided on the front sides of the compartments 5, 5... Of the casing 3, respectively. The operation panel 23 is provided with left and right display portions 24 and 25 at the upper left and right, respectively. A left timer button 26 is disposed below the left display portion 24, a right timer button 27 is disposed below the right display portion 25, and further below the left and right timer buttons 26, 27 from the left. An upper button 28 for increasing the display numerical value of the left and right display sections 24 and 25, a lower button 29 for decreasing the display numerical value, a setting button 30 and a power button 31 are provided.

  Thus, when the main power source 15 is turned on, for example, when the power button 31 of the operation panel 23 installed on the front side of the uppermost compartment 5 is pressed and the setting button 30 is pressed and held, For example, any one of 1 to 4 is displayed on the left display unit 24 and blinks.

  The numerical value indicates a setting item. For example, numerical value 1 indicates temperature setting, numerical value 2 indicates steam amount setting, numerical value 3 indicates left timer time setting, and numerical value 4 indicates right timer time setting. Then, when a predetermined numerical value is selected with the upper button 28 or the lower button 29 and the setting button 30 is pressed, the numerical value is set and the flashing of the left display unit 24 disappears, and further, the right display unit 25 blinks. Then, when a predetermined numerical value is selected by the upper button 28 or the lower button 29 and displayed on the right display unit 25 and the setting button 30 is pressed, the numerical value is set, the blinking disappears, The left display section 24 blinks, and the setting item can be selected in the same manner as described above.

  The temperature setting can be set from 60 ° C. to 90 ° C., the steam amount setting can be set from 0 to 99% with 250 cc / hour as 100%, the left and right timer time setting can be set from 1 to 60 minutes, 2 hours, 3 hours, Although the time can be set, it is not limited to this value, and can be set arbitrarily.

  The other setting items are selected and set in the same manner. When the setting button 30 is pressed and held, the setting is completed, and the heaters 6 and 6 of the compartment 5 and the compartment connected to the compartment 5 are completed. Heating and humidification are performed by 18 heaters 19 under set conditions.

  That is, the inside of the compartment 5 is heated from above and below by the heaters 6 and 6 and controlled to reach a set temperature via the temperature sensor. On the other hand, in the humidifying tank 16, when the main power source 15 is pushed, the heaters 19, 19 ... in all the compartments 18, 18 ... in the humidifying tank 16 are energized and the humidifying tank 16 is turned on. When the water in 16 is heated and the water is heated to about 80 to 90 degrees, the energization of the heaters 19, 19... . At this time, if the operation panel 23 of the compartment 5 is set to a predetermined steam amount, the heater 19 of the compartment 18 communicating with the compartment 5 has a set steam generation amount. The energization amount is adjusted.

  Further, when the blower switch 14 installed on the side of the operation panel 23 is pressed, the blower 10 is driven, and air is blown out and sucked in as shown by the arrows in FIG. An air curtain A is formed from the ejection port 8 of the compartment 5 toward the suction port 9.

  In this state, the two containers 13 and 13 containing food are stored in the left and right sides of the compartment 5 via the slide rails 12, 12, and 12 of the compartment 5, and the left and right timer buttons 26 and 27 are pushed. The left and right timer buttons 26 and 27 notify the elapse of a predetermined time after the set time has elapsed, and when the food is taken out after waiting for the notification, the food is stored in the compartment 5 until it is taken out. In the meantime, it is kept warm and moisturized at a predetermined temperature and a predetermined humidity for a predetermined time, and is also shut off from the outside air by the air curtain A.

  Similarly, the other compartments 5, 5... Can be set respectively, and the food can be kept warm and moisturized under the set conditions, and the air curtains A, A. it can. The heat retention, moisture retention, and air curtain can be performed simultaneously, but can also be performed selectively.

  When the warm storage 1 is operated, the left and right display units 24 and 25 can display the current temperature, set temperature, set steam amount, left timer set time, right timer set time, and the like. That is, the item number is displayed on the left display unit 24, the numerical value is displayed on the right display unit 25, and the item number of the left display unit 24 is selected by operating the up and down buttons 28 and 29. 1. Current temperature 2. Set temperature, 3. Set steam volume, 4. Left timer setting time It can be displayed as the right timer set time.

  The set value of the operation panel 23 is recorded without being erased even when the main power supply 15 is turned off.

  Further, the water level in the humidification tank 16 is detected by the float 20 and the float sensor 21, so that water is automatically supplied and maintained at a constant water level.

  Thus, since the warm storage 1 can be kept warm or humidified individually or simultaneously for each of the compartments 5, 5..., It can perform any warming and humidification corresponding to a plurality of different products and is uniform. Optimum heat retention and moisture retention conditions can be obtained, and the air curtain can be prevented from leaking air, thereby increasing the efficiency of the air curtain.

  Further, since the heaters 6, 6... Are disposed in the upper and lower portions of the compartments 5, 5,..., The products in the compartments can be kept warm from above and below.

  Further, the ejection ports 8, 8... And the suction ports 9, 9... Are disposed to face the upper and lower portions in the respective compartments 5, 5. The air curtains A, A... Can be formed from the lower part to the upper part, and the air curtains A, A... Are formed with a short length, so that the air curtains A, A.

  Further, since the humidifying nozzles 7, 7... Are disposed at the upper rear portions in the respective compartments 5, 5,..., The insides of the respective compartments 5, 5.

  And since the said humidification nozzle 7 is provided with the ejection hole which sprays in two directions, the inside of the two containers 13 and 13 in the compartment 5 can be humidified simultaneously and uniformly.

Further, the humidifying nozzle 7 is connected to a humidifying tank 16, and the humidifying tank 16 has heaters 19, 19 ... in the respective compartments 18, 18 ..., so that each compartment 18, 18, ... Although it is possible to generate steam easily and efficiently, suitable humidification can be performed in each of the compartments 5, 5..., And steam is generated for each compartment 18, 18,. Since the humidification tank 16 is one, it is easy to replenish water in the humidification tank 16, and the cost can be reduced. The present invention can be variously modified without departing from the spirit of the present invention, and Of course, the present invention extends to such modifications.

The front view of the warm warehouse which shows one embodiment of this invention. 1 shows an embodiment of the present invention, and is a side longitudinal sectional view of a warm storage. The top view of the warm warehouse which shows one embodiment of this invention. (A) The top view of the humidification tank which shows one embodiment of this invention. (B) The front view of a humidification tank which shows one embodiment of the present invention. (C) The side view of a humidification tank which shows one embodiment of the present invention. The front view of the operation panel which shows one embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Warm storage 2 Opening part 3 Housing | casing 5 Compartment room 6 Heater 7 Humidification nozzle 8 Ejection port 9 Suction port 16 Humidification tank 17 Partition 18 Partition part 19 Heater A Air curtain

Claims (4)

The inside of the housing having an opening at the front is vertically divided into a plurality of stages, a humidifying nozzle is provided for humidifying each of the compartments , and the air is opposed to the upper and lower portions near the opening of each compartment. A pair of air outlets and air inlets for forming curtains are provided , and heaters for keeping warm in the compartments divided into the plurality of stages are respectively provided at the upper and lower portions of the compartments. Characterized by the warm storage. 2. The warm storage cabinet according to claim 1, wherein the humidifying nozzle is disposed at an upper rear portion in each compartment and has a plurality of ejection holes that inject in the left and right directions . The humidifying nozzle is connected to a humidifying tank, the humidifying tank is partitioned so that the lower part communicates with at least one partition wall, each heater is provided in each partition section partitioned in a horizontal row by the partition wall, and The warm storage room according to claim 1 or 2, wherein the discharge port is provided at a substantially upper center portion. Claim, characterized in that arranged a float sensor which detects the vertical movement of the water supply port to the lower side of the side end portions compartment portion of the humidification tank is provided, the float and the float floating on water in the compartment portion 3 serial heating cabinet of the mounting.

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