KR102077003B1 - Ventilation method of chicken coop - Google Patents

Abstract

The side wall inlet formed in the upper side of the side wall 10 is forcibly evacuated from the exhaust port 1 lb formed in the wall 11 orthogonal to the cage row 90 to the exhaust fan 11f to make a negative pressure in the chicken coop 1. Air is taken in from 20), and the particle size adjusting device is controlled on the basis of both the difference in the static pressure of the inner space and the outer space detected by the differential pressure gauge 40 and the temperature detected at a plurality of places in the inner space, and the rotating plate 31 By controlling the opening and closing and opening degree of the side wall entry mechanism by the t), the temperature difference in the flow path from the upstream to the downstream which is the flow of air in the chicken coop, and the temperature difference in the vertical direction in which the cages are stacked are reduced.

Description

Ventilation method of chicken coop

The present invention relates to a ventilation method of the chicken coop.

In poultry farms where a large number of chickens are raised, a large chicken coop containing a plurality of cage rows in which cages are continuously installed in one direction is used. The present applicant has called "tunnel ventilation" until now, such a large chicken cage is windowless and ventilated in the direction in which cage heat is extended. The structure and the ventilation method are proposed and implemented (for example, refer patent document 1, 2). The ventilation structure in these documents includes an inlet formed in one side of a pair of walls (front and back surfaces) orthogonal to cage rows, and an exhaust port formed in the other wall. Wearing the opening and closing of the elongated auxiliary entrance mechanism and the auxiliary entrance mechanism provided between the roof and the roof at the upper part of each of the pair of side walls parallel to the cage rows. The adjusting device has a basic structure.

Then, the inside of the chicken coop is made into a negative pressure by forcibly exhausting it by a fan attached to the exhaust port, and the air is ventilated by receiving air from the outside into the chicken coop through the mouth or the auxiliary mouth. The air received is circulated through the chicken coop and is discharged from the exhaust port, but in the process, it is warmed to the body temperature of the chicken. Therefore, when no countermeasures are taken, the temperature increases as the air flows downstream. The difference in temperature environment depending on the position of the cage causes unevenness in the growth of chickens and the production of eggs, which is undesirable.

Therefore, in the technique of patent documents 1 and 2, the particle size adjusting device is controlled based on the temperature measured at the several place in a henhouse, and the amount of particle size from the auxiliary mouth is adjusted. Thereby, the temperature difference in the flow path from the upstream to the downstream which is the flow of air in a henhouse can be reduced.

However, in one cage row, cages are also stacked in the vertical direction, and are several meters high. And the warm air rises by itself. Therefore, in the technique of patent documents 1 and 2, even if the temperature difference in the flow path from the upstream to the downstream which is the flow of air in a henhouse can be reduced, a big temperature difference may generate | occur | produce in the up-down direction. For example, when cages are stacked in 5 to 6 stages, a temperature difference of 5 ° C. to 8 ° C. may occur in the cage at the uppermost stage and the cage at the lowermost stage in a low temperature outside air temperature. .

Japanese Patent No. 3703168 Japanese Patent No. 3598212

Therefore, in view of the above circumstances, the present invention can reduce the temperature difference in the flow path from the upstream to the downstream which is the flow of air in the chicken coop, and also reduce the temperature difference in the vertical direction in which the cages are stacked. It is an object of the present invention to provide a ventilation method for the chicken coop.

In order to solve the above problems, the ventilation method (hereinafter may be simply referred to as "ventilation method") of the chicken coop according to the present invention,

An exhaust port provided at one of the walls orthogonal to the cage rows formed by the cages continuously formed in one direction,

An exhaust fan attached to the exhaust port,

A side wall inlet formed on at least one upper side of the side wall parallel to the cage row;

A mouth-adjusting device for opening and closing the sidewall inlet

In the chicken coop to be provided,

By operating the exhaust fan and exhausting it from the exhaust port, the inner space is made into negative pressure, and air is received from the outer space through the side wall inlet.

Detecting the difference between the static pressure of the internal space and the static pressure of the external space, and controlling the opening and closing of the sidewall inlet by the size adjusting device so that the difference of the detected positive pressure is within a predetermined range,

The temperature is detected at a plurality of places in the internal space, and the opening and closing of the sidewall inlet by the size adjusting device is controlled so that the detected temperature is within a predetermined range.

As the "side wall entry mechanism formed in the upper part of the side wall", the side wall entrance mechanism formed by setting a space | gap between the top of a side wall and a roof, and the side wall entrance mechanism formed by setting a space | gap between the top of a side wall and a ceiling, when a chicken cage has a ceiling. Can be illustrated. This sidewall inlet is formed in "at least one of the sidewalls parallel to cage rows", and may be formed in both of a pair of sidewalls, and may be formed in only one sidewall. When there are a plurality of cage rows, it is preferable that they are formed in both of a pair of side walls.

As the "mouth size adjusting device", there can be exemplified a structure having a door member which is opened to one side which opens or closes the side wall entrance mechanism by rotation, and a door member which opens and closes the side wall entrance mechanism by a slide.

In this configuration, the difference between the static pressure of the internal space of the chicken coop and the external space (hereinafter sometimes referred to as "internal and external pressure difference") is adjusted to be within a predetermined range by opening and closing of the side wall inlet. . As a result, the speed of the air flowing through the sidewall inlet and the distance at which the inflowing air reaches a certain speed or more can be appropriate to the conditions of the chicken coop, such as the size of the internal space, the number of cage rows, the height of the cage, and the like. . Accordingly, it is possible to create a state in which the air in the internal space is agitated as a whole by the air introduced through the sidewall inlet.

In addition, the temperature is detected at a plurality of places in the internal space, and the opening and closing and opening degree of the sidewall entrance are adjusted so that the detected temperature is within a predetermined range. Therefore, by controlling based on the detection of the temperature, it is possible to reduce the temperature difference in the flow path from the upstream to the downstream, which is the flow of air in the chicken coop, and by the stirring action of the air by adjusting the pressure difference between the inside and the outside. The temperature difference can be reduced even in the vertical direction in which the cages are stacked.

The ventilation method according to the present invention, in the above configuration,

The control of the particle size adjusting device based on the detected difference in static pressure is performed prior to the control of the particle size adjusting device based on the detected temperature.

In the present invention, the opening and closing of the sidewall inlet and the opening degree are controlled on the basis of the detection of the pressure difference between the inside and the outside, and also on the basis of the detection of the temperature. Therefore, at the start of the control, the control based on the detection of any one of the pressure difference and the temperature is performed first. In this configuration, the control based on the detection of the pressure difference is performed first. In other words, after the air in the internal space is stirred and the temperature in the up-down direction is brought into uniform proximity, control of the particle size adjusting device based on the detection of the temperature is performed.

Accordingly, the temperature sensor for detecting the temperature in order to adjust the opening and closing of the sidewall inlet and opening may be provided at a plurality of places in the air flow path from the sidewall inlet to the exhaust port. There is no need to install multiple temperature sensors. On the other hand, when the air is not sufficiently stirred and the temperature difference in the vertical direction is large, and when different temperatures are detected by a plurality of temperature sensors provided in the vertical direction, the size adjustment apparatus based on the detected temperature Control is thought to be complicated.

Therefore, according to this structure, by a simple control by a simple structure, the temperature difference in the flow path from the upstream to the downstream which is the flow of air in a henhouse can be reduced, and also the temperature difference also in the up-down direction in which cages are laminated | stacked. Can be reduced.

Ventilation method according to the present invention, in addition to the above configuration,

"The side wall entry mechanism is divided into a plurality in the longitudinal direction in which the cage row extends, and the mouth adjustment device is composed of a plurality of units for adjusting the opening and closing of each divided side wall entry opening.

In this configuration, the side wall entry mechanism is divided into plural in the longitudinal direction almost along the direction of the air flow in the chicken coop, and the opening degree when opening or closing the opening is different from each other. can do. Thereby, for example, it is possible to adjust to increase the amount of inflow of air from the sidewall inlet as it is warmed to the body temperature of the chicken in the flow of air and becomes higher at a higher temperature. Therefore, it is easy to control to reduce the temperature difference in the flow path from the upstream to the downstream which is the flow of air in the chicken coop.

Also, if the total length of the side wall inlet is the same as the total length of the cage row and the positions of both ends of the side wall inlet and the cage row are aligned, the space around all the chickens can be surely ventilated by the fresh air flowing from the side wall inlet. It is preferable.

As described above, as an effect of the present invention, the temperature difference in the flow path from the upstream to the downstream, which is the flow of air in the chicken coop, can be reduced, and the temperature can also be reduced in the vertical direction in which the cages are stacked. It can provide a ventilation method.

1 is a configuration diagram of a chicken coop using a ventilation method according to an embodiment of the present invention.
FIG. 2 is a target diagram of the chicken coop of FIG. 1.
3 is a cross-sectional view taken along the line XX in FIG. 2 (not shown in the exhaust fan).
FIG. 4 is an enlarged view of the A range in FIG. 3.

Hereinafter, the ventilation method which is one Embodiment of this invention and the chicken coop 1 which uses this ventilation method are demonstrated using FIGS.

First, the structure of the chicken coop 1 is demonstrated. The chicken coop 1 is a substantially rectangular parallelepiped building surrounded by four walls, and cage cages 90 are provided in which cages are continuously arranged in one direction. The chicken coop 1 includes an exhaust port 1lb formed on one wall 11 of the walls 11 and 12 orthogonal to the cage rows 90, and an exhaust fan attached to the exhaust port 1lb. A pair of side walls parallel to the cage row 90 and an inlet 12b formed in the wall 11 facing the wall 11 opposite the wall 11 on which the exhaust port 1lb is formed. (側壁) 10 side wall opening mechanism 20 formed in the upper portion of each of the (10), and the mouth adjustment device 30 for opening and closing the side wall opening mechanism 20 Equipped.

Specifically, the chicken coop 1 is a cross-coupling, and the length in the direction parallel to the ridge 80 where the roof 81 intersects is several tens to hundreds of meters, orthogonal to the ridge 80 (hereinafter, " Width ”, which is shorter and longer than the length in the direction parallel to the ridge 80. Although the cage rows 90 illustrate a plurality of cases in the present embodiment (three columns are illustrated in FIGS. 2 and 3), there may be a case where the cage rows 90 are one row. The longitudinal direction in which the cage rows 90 extend is the direction in which the ridge 80 extends. In other words, the walls 11 and 12 on which the exhaust port 1lb and the inlet 12b are formed are a pair of front and rear surfaces. The exhaust port 1lb and the inlet 12b are each formed with a large area of 1/2 or more of the entire wall area. The air inlet 12b is covered with a cooling pad 12p formed of a paper or a nonwoven fabric rich in absorbency. On the other hand, a plurality of large exhaust fans 11f are vertically and horizontally attached to the exhaust port 1lb.

The side wall entry mechanism 20 is formed by setting a gap between the upper end of the side wall 10 and the roof 81 in each of the pair of side walls 10. More specifically, the space under the roof is partitioned from the side wall 10 to the partition plate 82 dripped from the roof 81 along the side wall 10. The side wall entry mechanism 20 is opened between the lower end of the partition plate 82 and the upper end of the side wall 10.

The side wall entry mechanism 20 has the same length as that of the cage row 90, and the position of both ends thereof is formed in accordance with both ends of the cage row 90, and is divided into a plurality of longitudinal directions. The particle size adjusting device 30 includes a plurality of units that adjust the opening and closing and opening degree for each divided sidewall inlet 20. 1 and 2 illustrate the case where the side wall inlet 20 is divided into three. Hereinafter, with respect to the side wall entry mechanism 20 divided into three, the "side wall entry mechanism 20a" closest to the inlet 12b, the "side wall entry mechanism 20b" and the "side wall entry mechanism closest to the exhaust port 11b" will be described. (20c) ", when it is not necessary to distinguish in particular, it calls it" side wall entry mechanism 20. "

In addition, with respect to the sidewall inlet 20, the total length is "same" with the full length of the cage | line row 90, and the position of the both ends is "formed in accordance with the both ends of cage row 90", both It is not practical to limit the total lengths of to be completely equal to each other so that the positions of the two ends are perfectly matched. This includes the case where the total length of the long side is "within the range of the total length + 10% of the short side" when the position of the center of the longitudinal direction of each of the side wall entry mechanism 20 and the cage | line row 90 is matched. It is defined as.

The plurality of units of the particle size adjusting device 30 have the same configuration, each of which has a flat plate shape, and a plurality of rotating plates 31 that are open to one side that can rotate about a horizontal axis and the plurality of rotating plates 31 are the same at the same time. It has a rotating plate drive mechanism which rotates by an angle. In the mouth-adjustment apparatus 30, the some rotating plate 31 which one unit rotates is arrange | positioned adjacent to the vicinity of the upper end of the side wall 10, The whole length is divided into the side wall entrance mechanism 20a, 20b. Is equal to one length of 20c).

The rotating plate drive mechanism includes a winch (not shown in any drawing) driven by a motor, a main wire 32, and a plurality of sub wires 33. One end of the main wire 32 is wound around the winch, while the other end is fixed through a spring to a bracket (not shown) provided to protrude from the side wall 10. It is installed to apply tension along 10). One end of each of the plurality of secondary wires 33 is attached to the vicinity of the free end of each of the plurality of rotating plates 31 belonging to the same unit of the particle size adjusting device 30, and the other end thereof is the main wire 32. ) Each of the sub wires 33 is wound around the first pulley 34 and the second pulley 35 attached to the support plate 39 protruding from the side wall 10 on each of the rotating plates 31. This change causes the rotating plate 31 to be rotated downward by its own weight to be obliquely pulled from above.

The opening and closing and opening degree by the rotating plate 31 can be adjusted for every side wall entry mechanism 20 divided by the rotating plate driving mechanism of such a structure. Specifically, when the main wire 32 is wound by the winch by driving of the motor, the rotating plate 31 is pulled out by the sub wire 33 connected thereto, and rotates upward, so that the opening degree of the side wall insertion mechanism 20 is increased. Becomes smaller. On the contrary, when the main wire 32 is released by the winch, the sub wire 33 is relaxed, so that the rotating plate 31 is rotated downward by its own weight, so that the opening degree of the sidewall inlet 20 is increased. In addition, in FIG. 1, in order to make it clear, the several rotation plate 31 which adjusts by rotating one opening and closing of the divided side wall opening mechanism 20 by the same angle at the same time is simplified. As shown in the figure.

In addition to the configuration described above, the chicken coop 1 includes a plurality of temperature sensors 50 for measuring the temperature of the internal space. The temperature sensor 50 is at least equal to the number of the divided side wall entry mechanisms 20, and is attached to each of the divided side wall entry mechanisms 20. Moreover, the chicken coop 1 is equipped with the differential pressure gauge 40 which detects the difference of the static pressure of an internal space, and the static pressure of an external space. The differential pressure gauge 40 is provided in the inner space of the chicken coop 1, the pipe material 41 on the low pressure side is disposed in the inside space, and the pipe material 42 on the high pressure side is drawn out to the outside space. It is.

Next, the ventilation method used by the chicken coop 1 of the above-described configuration will be described. In the ventilation method, the inner space is made into negative pressure by operating the exhaust fan 11f and exhausting it from the exhaust port 1lb, and through the at least one of the sidewall inlet 20 and the inlet 12b, the outer space. It is to take in air from. In addition, this ventilation method is based on the temperature of the outer space, the first mode of intake of air from the outer space through the side wall inlet 20 only, the second mode and the side wall inlet 20 only through the inlet 12b. ) And the third mode made through both of the air inlet 12b.

Further, in the first and third modes of receiving air from the external space through the sidewall inlet 20, the difference between the static pressure in the internal space and the static pressure in the external space is detected, so that the difference in the detected static pressure is within a predetermined range. While controlling the opening and closing of the side wall inlet 20 by the mouth adjusting device 30, the temperature is detected at a plurality of places in the interior space, and the dressing is performed so that the detected temperature is within a predetermined range. The adjustment device 30 controls the opening and closing of the sidewall inlet 20.

For example, when the outside air temperature such as summer is high, air is taken in from the air inlet 12b (second mode). Thereby, air can be circulated at high speed between the opposing walls 11 and 12, and it can ventilate while cooling the internal space to the outside temperature lower than the temperature in the henhouse 1. At this time, water is dropped, dipped, and sprayed on the cooling pad 12p covering the air inlet 12b so as to pass through the cooling pad 12p that is lost to the heat of vaporization and becomes a low temperature. The temperature of the air can be lowered, and the internal space can be cooled effectively.

On the other hand, when the outside air temperature such as winter season is low, when the outside air is received from the large air inlet 12b, the chicken coop 1 is terminated in a straight line and flowed to the exhaust port 1lb, the air inlet 12b side. The temperature on the upstream side becomes too low. Thus, the inlet 12b is closed and the outside air is received from the sidewall inlet 20 (first mode).

In the first mode, since the air flows in through the sidewall inlet 20 and the air flows out through the exhaust port 1lb, the flow of air is slower than in the second mode. Therefore, while the internal space has an advantage that there is no possibility of cooling too much, retention and bias are likely to occur in the flow of air, and the flow path from the side wall inlet 20 to the exhaust port 1 lb is generated. The temperature tends to be uneven due to the position in the position and the position in the vertical direction.

Thus, in the present embodiment, the pressure difference between the inside and outside of the chicken coop 1 is measured by the differential pressure gauge 40, and the mouth adjustment device 30 is controlled to open and close the side wall inlet 20 so that the difference is within a predetermined range. And the opening degree.

Here, the "predetermined range" regarding the difference in the static pressure is a condition that can obtain the stirring action by the air flowing from the side wall inlet 20, and is determined experimentally in advance for each chicken coop 1. For example, when the distance between the side walls 10 is long (in other words, the length of the henhouse 1 in the width direction is long), and the cage rows 90 are many, the air introduced from the side wall inlet 20 is It is necessary to maintain the wind speed of a certain magnitude to reach the cage cage row 90 in the width direction. In the case where a large number of cages are stacked, the air introduced from the side wall inlet 20 needs to reach a cage at the lowermost level with a certain amount of wind speed. Therefore, by examining the relationship between the pressure difference between the inside and the outside, the wind speed and the reach distance of the air flowing from the side wall inlet 20 for each chicken house having different conditions, the air introduced from the side wall inlet 20 Set the range of pressure difference that can sufficiently obtain the stirring action.

In addition, the faster the flow rate of the incoming air, the greater the effect of stirring the air in the interior space, but too high flow rate is undesirable for the chicken, such as stressing the chicken. Therefore, the range of the pressure difference inside and outside is set so that the stirring action | action by the air which flows in from the side wall inlet 20 may be "there is no excess or deficiency."

And the particle size adjustment apparatus 30 is controlled and the rotating plate 31 is rotated so that the pressure difference inside and outside measured by the differential pressure gauge 40 may be in this set range. Even if the operating conditions of the exhaust fan 11f forcibly discharging air from the inner space to the outer space are the same, the pressure difference between the inside and the outside can be changed by the opening degree of the side wall inlet 20. Specifically, when the rotating plate 31 is rotated in the closing direction to make the opening area of the sidewall inlet 20 small, the pressure difference between the inside and the outside becomes large, and the flow rate of the inflowing air is increased, while maintaining a certain flow rate. The distance to reach is longer. On the contrary, when the rotating plate 31 is rotated in the opening direction to increase the opening area of the sidewall inlet 20, the pressure difference between the inside and the outside becomes small, and the flow rate of air flowing from the sidewall inlet 20 is slowed down to some extent. The distance to reach is shortened by maintaining the flow velocity of.

In addition, when the operating conditions of the exhaust fan 11f are changed in accordance with the fluctuation of the outside air temperature, the pressure difference between the inside and outside thereof also changes. Therefore, when it is out of the predetermined range, the dressing adjusting device 30 is operated as described above. Control to rotate the rotating plate (31). For example, when the number of fans to be operated in the plurality of exhaust fans 11f is reduced in accordance with the decrease in the outside air temperature, the pressure difference between the inside and the outside decreases, so when the deviation from the predetermined range is closed, the rotating plate 31 is closed. Rotate in the direction. On the other hand, when the number of the exhaust fans 11f to operate increases as the outside air temperature increases, the pressure difference between the inside and the outside increases, and when it deviates from a predetermined range, the rotating plate 31 is rotated to an opening direction.

In addition, regarding the control at the time of adjusting an internal and external pressure difference to a predetermined range, the rotating plate 31 which belongs to the unit of the particle size adjusting apparatus 30 which opens and closes different side wall openings 20a, 20b, and 20c is the same at the same time. Rotate the angle

In this way, by adjusting the pressure difference inside and outside the predetermined range, it is possible to create a state in which the air in the internal space is agitated as a whole by the air flowing through the side wall inlet 20. When the pressure difference between the inside and the outside is stabilized within a predetermined range and the air in the internal space is in a good state of agitation, it is then detected at a plurality of places based on the detection of the temperature by the temperature sensor 50. The opening and closing and opening degree of the side wall inlet 20 are adjusted so that temperature may be in a predetermined range.

Here, the "predetermined range" in relation to the temperature can be determined by the size of the chicken coop 1, the length of air flow in the chicken coop 1, the type of chicken (chick or chicken), and the like. . For example, the size of the allowable range of temperature can be changed in accordance with the length of air circulation in the chicken coop 1. Alternatively, in the case of raising chickens with low temperature resistance, such as chicks, the allowable range of temperature can be set small.

Since the air circulating in the chicken coop 1 becomes warm to the body temperature of the chicken, the temperature is necessarily higher in the downstream. Therefore, it is not practical to set the same temperature to the target value regardless of the position in the internal space. Therefore, the case where the target temperature range is set to "average temperature ± alpha degrees Celsius" with respect to the temperature in the entire interior space will be described as an example. For example, in the vicinity of the sidewall inlet 20a closest to the inlet 12b. The target value of the detected temperature is set to "average temperature-alpha deg. C", the target value of the temperature detected in the vicinity of the central sidewall inlet 20b is set to "average temperature", and the sidewall inlet closest to the exhaust port 1lb. The target value of the temperature detected in the vicinity of (20c) is set to "average temperature + alpha degreeC", and the target value can be set higher as it goes downstream.

In many cases, immediately after the temperature adjustment is started, the temperature detected in the vicinity of the side wall inlet 20a is almost the same as the outside air temperature, which is lower than the target value of "average temperature-? Therefore, in order to reduce the suction amount of the outside air and to raise the temperature, the side wall inlet 20a rotates the rotary plate 31 in the closing direction. On the other hand, the temperature detected in the vicinity of the side wall inlet 20c is higher than "average temperature + alpha degreeC" which is a target value at the beginning of temperature adjustment. Therefore, in order to increase the suction amount of the outside air and to lower the temperature, the side wall inlet 20c rotates the rotary plate 31 in the opening direction. Since the temperature detected in the vicinity of the side wall inlet 20b is generally close to the average value which is a target value, the rotating plate 31 hardly moves in the side wall inlet 20b.

By receiving the detected temperature from the temperature sensor 50 at regular time intervals and repeating the control of the rotary plate 31 by the above-described particle size adjusting device 30, the temperatures detected at the plurality of places are gradually increased to the target values. In close proximity, it is stable within the set tolerance. Thereafter, at a predetermined interval, the control of the particle size adjusting device 30 based on the detection of the internal and external pressure differences and the control of the particle size adjusting device 30 based on the detection of the temperature are alternately performed.

In this case, a general-purpose computer including a main memory device, an auxiliary memory device, and a processor can be used for the control of the particle size adjusting device 30. On the basis of the detection of the differential pressure gauge 40 and the temperature sensor 50, a control program for driving the motor to rotate the rotating plate 31 is stored in the main memory, and the processor processes according to this control program.

When the outside air temperature is about medium, such as the time between the summer and winter seasons, both the air inlet 12b and the side wall inlet 20 that accept the outside air are used in combination (third mode). In addition, in the first mode and the third mode for receiving air through the sidewall inlet 20, not all of the plurality of divided sidewall inlet 20 need to be open, and one or more sidewall inlet 20 is provided. It may be closed by the rotating plate 31.

As described above, according to the ventilation method of the present embodiment, the air in the internal space is controlled by the air flowing through the side wall inlet 20 by adjusting the opening and closing of the side wall inlet 20 based on the detection of the pressure difference between the inside and the outside. It is possible to create a state in which the whole is stirred. Therefore, in the chicken coop 1 by using the control based on the detection of the temperature difference at the inside and the outside and the control based on the detection of the pressure difference inside and outside the adjustment of opening / closing and opening degree of the side wall opening 20. The temperature difference in the flow path from the upstream to the downstream, which is the flow of air, can be reduced, and the temperature difference can also be reduced in the vertical direction in which the cages are stacked.

In the present embodiment, the control is performed based on the detection of the pressure difference between the inside and the outside prior to the control based on the detection of the temperature at the start of the opening and closing of the side wall inlet 20 and the adjustment of the opening degree. Accordingly, after the air in the internal space is sufficiently stirred to bring the temperature in the up and down directions to be in close proximity, control is performed based on the detection of the temperature. Therefore, by the simple control by the simple structure which suppressed the number of the temperature sensors 50, the temperature difference in the upstream and downstream of the flow of air in the henhouse 1, and the temperature difference in the up-down direction are reduced. You can.

Moreover, in this embodiment, the side wall entrance mechanism 20 is divided into several in the longitudinal direction, and the opening and closing and opening degree can be adjusted separately. Accordingly, it is possible to easily control the temperature of the internal space of the chicken coop 1 which becomes warmer at the body temperature of the chicken and becomes the higher temperature in the predetermined range.

In addition, in this embodiment, when the inflow mechanism of the air from the external space is switched to any one of the other first to third modes, it is possible to provide adequate ventilation in correspondence with the seasonal circulation and fluctuation of the outside air temperature at all times.

As mentioned above, although preferred Example was described about this invention, this invention is not limited to said embodiment, A various improvement and a change of a design are possible in the range which does not deviate from the summary of this invention.

For example, although the structure which opened and closes the side wall entrance mechanism 20 by one side by rotation of the rotation plate 31 was illustrated as the mouth adjustment apparatus 30, the opening-and-closing and opening degree of the side wall entrance mechanism 20 can be adjusted. If it is a structure which is present, it is not limited to this, The structure which opens and opens by both sides by rotation, or the structure which slides in one direction and opens and closes can be employ | adopted.

Moreover, although the case where the side wall inlet 20 is divided into three in the longitudinal direction was illustrated above, when the number of the side wall inlet lengths which are divided in the longitudinal direction is set more, the control which makes the temperature in a henhouse within a predetermined range, You can do it more precisely.

In addition, although the case where the inlet 12b was coat | covered with the cooling pad 12p was mentioned above, in the chicken coop of the area | region where summer temperature is not so high, the inlet 12b may not be coat | covered with a cooling pad. Alternatively, the cooling pad may be replaced with a light shielding vent member which does not pass light but allows air to flow naturally. The light blocking vent member is fixed in the rim with a plurality of thin plate members spaced apart from each other, and the thin plate member is curved, bent or inclined so that light does not pass, but air passes naturally. ) Is formed.

Claims (3)

An exhaust port formed in one of the walls orthogonal to the cage trains in which the cages are continuously installed in one direction;
An exhaust fan attached to the exhaust port,
Sidewall entry mechanisms formed in at least one upper portion of the sidewalls parallel to the cage rows;
A mouth-adjusting device for opening and closing the sidewall inlet;
In the chicken coop to be provided,
By operating the exhaust fan and exhausting it from the exhaust port, the inner space is made into a negative pressure, and air is received from the outer space through the side wall inlet.
The difference between the static pressure of the internal space and the static pressure of the external space is detected, and the difference of the detected static pressure is previously determined based on the relationship between the wind speed and the reach distance of the air flowing from the sidewall inlet and the difference of the static pressure. By controlling the opening and closing of the side wall inlet opening by the particle size adjusting device so as to be within a predetermined range, the air in the internal space is stirred by the air flowing from the side wall inlet opening,
Detecting the temperature at a plurality of places in the internal space, controlling the opening and closing of the sidewall inlet by the size adjusting device so that the detected temperature is within a predetermined range ,
The control of the particle size adjusting device based on the detected static pressure difference and the control of the particle size adjusting device based on the detected temperature are alternated at a predetermined interval.
Ventilation method of the chicken coop, characterized in that (換氣 方法).
The method of claim 1,
The control of the particle size adjusting device based on the detected difference in static pressure is performed prior to the control of the particle size adjusting device based on the detected temperature.
Ventilation method of the chicken coop, characterized in that.
The method of claim 1,
The side wall inlet is divided into a plurality in the longitudinal direction in which the cage rows extend,
The dressing adjusting device includes a plurality of units that adjust opening and closing for each of the divided sidewall inlets.
Ventilation method of the chicken coop, characterized in that.

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