JPS60120941A - Temperature control equipment in fruit maturing chamber - Google Patents

Abstract

PURPOSE:To reduce remarkably the running cost of temperature control in a fruit maturing chamber, by operating suitably an outdoor temperature sensor, indoor temperature sensor, outside air intake apparatus, heating apparatus and cooling apparatus provided therein. CONSTITUTION:In a temperature control equipment for controlling temperature in a fruit maturing chamber 1 by cooling and heating of the interior of the chamber 1, the outside air temperature is sensed by an outdoor temperature sensor 22, and the chamber temperature is sensed by an indoor temperature sensor 21. An outside air intake apparatus 6 is designed to operate when the outside air temperature is above the chamber temperature in heating and operate to take in the outside air in the chamber 1 when the outside air temperature is below the chamber temperature in cooling. A heating apparatus 14 is designed to operate when the outside air temperature is below the chamber temperature and the set temperature in heating, and a cooling apparatus 13 is designed to operate when the outside air temperature is above the chamber temperature and set temperature in cooling. Thus, the running cost in temperature control of the fruit maturing chamber 1 can be remarkably reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to temperature control equipment for controlling the temperature of a fruit ripening room.

[Technical background of the invention and its problems]

For example, when ripening fruits in a fruit ripening chamber, it is necessary to appropriately adjust the temperature inside the stone fruit ripening chamber. Therefore, conventionally, a heat pump type refrigerator was installed as temperature control equipment in the fruit ripening room, and this refrigerator was used to perform heating and cooling.

However, when heating and cooling is performed using only a refrigerator, there are drawbacks such as increased electricity charges, that is, running costs.

[Purpose of the invention]

The present invention has been made in view of this point, and an object of the present invention is to provide temperature control equipment that can significantly reduce the burden of thinning costs.

[Summary of the invention]

The present invention provides an outdoor temperature sensor that detects the outside temperature, an indoor temperature sensor that detects the room temperature, and an indoor temperature sensor that detects the room temperature in the m-adjustment equipment that controls the temperature of the fruit ripening room by heating and cooling the fruit ripening room. operates when the temperature is below room temperature,
an outside air intake device that operates when the outside temperature is below room temperature during cooling and immediately brings outside air into the fruit ripening chamber; and a heating device that operates when the outside temperature is below the room temperature and the set temperature N during heating. , and a cooling device that operates when the outside temperature is below the room temperature or the set temperature during cooling.

[Embodiments of the invention]

Hereinafter, the present invention will be explained based on embodiments shown in the drawings.

FIG. 1 shows a fruit ripening chamber 1 equipped with temperature control equipment according to the present invention, and a door 2 is attached to the front part of the fruit ripening chamber 1 so as to be openable and closable. In addition, the rear wall 3 of the fruit ripening room 1
An opening 4 is formed above the opening 4, and an outside air intake duct 5 is connected to the opening 4. This outside air intake duct 5
It is formed of a horizontal portion 5a and a vertical portion 5b which is bent downward from the horizontal portion 5a and has an outside air intake port 5C formed at its lower end. In the horizontal W5a, an outside air fan (outside air normal person #) 6 and a motor damper 7 that is interlocked with this outside air intake fan 6 are arranged, while at the outside air intake 5c at the lower end of the vertical part 5b There are 8 filters installed. In this case, the outside air intake fan 6 is operated when the outside temperature is above 50% during heating, and when the outside temperature is below 000% during cooling. Further, another opening 9 is formed below the rear wall 3 of the fruit ripening chamber 1, and an exhaust duct 10 is connected to this opening 9. This exhaust duct) 10 is the outside air intake duct 5
Similarly, it is formed of a horizontal portion tOa and a vertical portion tab that is bent downward from the horizontal portion tOa and has an outlet toC formed at its lower end. A motor damper 11 is arranged in the horizontal part 10a, while a filter 12 is arranged in the discharge port 10c at the lower end of the vertical part tob.

Further, at the rear of the upper part of the fruit ripening chamber 1, an evaporator 13 that constitutes a part of the refrigerator and is used for cooling, and a hot water heater 14 that is used for heating are installed in parallel. At the back of 14 is a blow fan 1 that is continuously controlled by an inverter (not shown).
5 is installed. On the other hand, a humidifier 16 that is automatically controlled by a humidifier (not shown) is installed in the upper front of the fruit ripening chamber 1.

Furthermore, the evaporator 13 is located outside the fruit ripening chamber 1.
A surprise machine 17 connected to is installed.

This guide unit 17 has a compressor, a condenser, etc. (not shown), and together with the evaporator 13 constitutes a refrigerator (cooling device). This refrigerator is operated when the outside temperature is equal to or higher than the room temperature and the set temperature v during cooling.

Further, a hot water storage tank 18 is installed outside the fruit ripening room 1 to circulate and supply water to the flooded heater 14. Furthermore, a solar heat absorber 19 and a boiler 20 are connected to the hot water storage tank 18 . Among these, the solar heat absorber 19 heats the water in the hot water storage tank 18 by solar heat during the day to make it hot water at a predetermined temperature (for example, 35C). On the other hand, the boiler 20 is used as an auxiliary heat source when hot water at a predetermined temperature cannot be secured by the solar heat absorber 19. The flooded heater 14, the hot water storage tank 18, the solar heat absorber 19, and the tank 220 collectively constitute a heating device.

This heating device is operated during heating when the outside temperature is below the room temperature or a set temperature.

Furthermore, an indoor temperature sensor 2] and an unexpected temperature sensor 22 are installed inside and outside the fruit ripening room 1, respectively.

In addition, in FIG. 1, numerals 23, 24, and 25 represent pumps.

Next, a description will be given of an operating method when this temperature control equipment is used, for example, in a ripening chamber for bananas.

In this case, one day (24 hours) is divided into three parts: 6 hours, 6 hours, and 12 hours, and the first 6 hours are 10C1
The next 6 hours of incubation were 20CsM followed by 12 hours of room temperature.
Bananas are ripened by maintaining the temperature at 3 tl' and repeating this for several days.

With this equipment, for example, the capacity of the fruit ripening room is 10
When raising the temperature from C to 20C, operate as follows. That is, in this case, when the outside air width detected by the outdoor hot water temperature sensor 22 is higher than 20C, the outside air intake fan 6 is operated to take outside air into the fruit ripening chamber 1 to heat the inside of the fruit ripening chamber 1. On the other hand, when raising the room temperature of the fruit ripening room 1 from toC to 20C, when the outside temperature detected by the outdoor conductivity sensor 22 is lower than toC but lower than 20C, for example, when the outside temperature is 160, the outside air intake fan 6 is activated to take in outside air into the fruit ripening chamber 1, and performs primary heating in the fruit ripening chamber 1 to raise the room temperature to 16C. Next, wet water is sent from the hot water storage tank 17 to the wet water heater 14 to perform secondary heating in the fruit ripening room 1.

In addition, when the room temperature of the fruit ripening room 1 is raised from tOC to 20C, the outside temperature detected by the outdoor conductivity sensor 22 is tOC.
In the following cases, heating by outside air cannot be expected, so heating is performed only by the hot water heater 14.

In this way, the 7 cells in fruit ripening chamber 1 are 2 to 2 from tOC.
It is raised to 0U and this state is maintained for 6 hours. After 6 hours have passed, the temperature in the fruit ripening chamber 1 is increased from 20 to 2
When raising the temperature to 3C, use the same method as above.

On the other hand, on the first day, the room temperature in fruit ripening room 1 was changed from 23'C to t.
When lowering to OC, operate as follows.

That is, in this case, when the outside temperature detected by the temperature sensor 22 is lower than toC, the outside air intake fan 6 is operated to draw outside air into the fruit ripening chamber 1 to cool the inside of the fruit ripening chamber 1. . On the other hand, when lowering the wetness of the fruit ripening room 1 from 23C to tOC, when the outside temperature detected by the outdoor temperature sensor 22 is lower than 23C but higher than IOC, for example when the outside temperature is 16C, the outside air intake fan 6 is activated to take in outside air into the fruit ripening chamber I, and performs the first cooling in the fruit ripening chamber Ut, lowering the room temperature to 16C. Subsequently, the evaporator 13, which constitutes a part of the refrigerator, performs a second cooling inside the fruit ripening Ht.

In addition, when lowering the room temperature of the fruit ripening room l from 23C to toC, the outside air width detected by the outdoor conductivity sensor 22 is 23C.
In the above case, since cooling by outside air cannot be expected, cooling is performed only by the evaporator 13.

In this way, the room temperature in the fruit ripening chamber I ranges from 23C to t
It is lowered to oC and this state is maintained for 6 hours.

Incidentally, slight changes in the room temperature while maintaining the state of 1 or, 2 oci, or 23 C can also be resolved by the same method as described above.

The temperature control equipment of the ninth embodiment configured in this way has the effect of significantly reducing running costs for temperature control.

The present invention is not limited to the above-mentioned embodiment, but can also be applied to a structure in which a large number of fruit ripening chambers 1 are arranged side by side as shown in FIG. In this case, as shown in Figure 3, the outdoor unit 17, hot water storage tank 18, etc. installed outside the fruit ripening room 1 can be shared, so if the outdoor unit 17, hot water storage tank 18, etc. are installed individually, It has the advantage of having an excellent relative Benupeine factor. In FIGS. 2 and 3, the same reference numerals as in FIG. 1 represent the same parts, and the reference numeral 26 indicates the central monitoring room, and the reference numeral 27 indicates the operation of the outside air intake fan 6, the refrigerator, and the flooded heater 14. represents the controller that controls the

〔Effect of the invention〕

As explained above, the present invention provides temperature control equipment that controls the temperature inside a fruit ripening room by heating and cooling the fruit ripening room. The apparatus includes an outside air intake device that operates when the outside temperature is below room temperature, and operates when the outside temperature is below room temperature during cooling to introduce outside air into the fruit ripening chamber; It has a heating device that operates when the set altitude is below the moon, and a cooling device that operates when the outside temperature is above the room temperature or the set hot water temperature during cooling, so it is said that the running cost of temperature control in the fruit ripening room can be significantly reduced. have an effect.

[Brief explanation of drawings]

FIG. 1 is a schematic block diagram of an embodiment of the temperature control equipment according to the present invention applied to a fruit ripening room, and FIGS. 2 and 3 are schematic diagrams of other embodiments of the present invention. 1... Fruit ripening room, 13... Evaporator, 14...
... Flooded heater. Applicant's agent Kiyoshi Inomata

Claims (1)

[Claims] Temperature control equipment that adjusts the temperature inside the fruit ripening room by heating and cooling the fruit ripening room includes an outdoor temperature sensor that detects the outside temperature, an indoor temperature sensor that detects the room temperature, and a sensor that detects the outside temperature when the outside temperature is higher than the room temperature during heating. an outside air intake device that operates to take outside air into the fruit ripening chamber when the outside temperature is below room temperature during cooling; and a heating system that operates when outside temperature is below room temperature or a set temperature during heating. 1. A control facility for a fruit ripening room, comprising: a cooling device; and a cooling device that operates when the outside temperature is higher than the room temperature or a set temperature during cooling.