JP4371352B2 - Multi-head type low-rise defrost fan device and its blowing method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  This inventionA multi-head type low-rise frost-proof fan device and a blowing method thereof.
[0002]
[Prior art]
  As is well known, an anti-frost fan device is useful in a method for preventing frost and frost damage (frost prevention) in fields (farms) such as tea gardens (tea bowls), mulberries, orchards, fruit vegetables, and vegetables. Since this frost-proof fan device includes a pillar-type frost-proof fan device, a low-place frost-proof fan device, or a mobile frost-proof fan device, an outline will be described.
[0003]
  (1) The building column type frost-proof fan device is provided with a frost-proof fan capable of adjusting the swing and depression angle on a column headland and / or a building column standing in the field. This is a configuration in which the warmth of the inversion layer is blown down on the ground surface of the field using the swing of the frost and the depression angle of the frost-proof fan. However, while this building column type defrost fan device can efficiently defrost using the blown-down air (warm air), the following problems have been pointed out. [1] Due to the recent modernization, aging, and labor shortages of tea gardens, large tea plantation management devices such as large-sized tea cutters, large-sized pruning machines, etc. by riding, rail-running, crawler-running, etc. It tends to be introduced. However, for the running (use) of this large tea plantation management device, a building pillar standing in the field becomes an obstacle and cannot be introduced. [2] A defrosting fan provided as a unit in the building column type defrosting fan device In the situation where the desired defrosting effect cannot be obtained, [3] In a situation where the desired defrosting effect cannot be obtained, naturally, a large number of building column type defrosting fan devices are required, and the equipment cost, maintenance cost (running Cost) and the like.
[0004]
  As a solution to this problem, there is an elevating low place defrost fan device, a mobile low place defrost fan device or the like (hereinafter, collectively referred to as a low place defrost fan device). Can be mentioned. This elevating and lowering type defrosting fan device has features such as being able to be accommodated in a tea tree, or being able to accommodate a large tea garden management device due to this accommodation. In addition, the mobile low-floor type defrosting fan has features such as being able to retreat from the field, introducing a large tea plantation management device, being able to be accommodated in a warehouse, etc., and being able to blow air at a desired location in the field. It is useful.
[0005]
  The present applicant has filed a number of patent applications and the like regarding this type of low-profile frost-proof fan device. For example, there is an elevating type low-temperature defrosting fan. For example, Japanese Patent Application Laid-Open No. 10-42722 discloses a tea plant housing-type low-place frost-proof fan device for tea gardens (reference (1)) that can be inserted into and projected from a cylinder embedded in a tea tree (tea bowl). And a frost-proof fan with a swing and depression adjustment on the support. The frost-proof fan can be housed in a tea plant, using a large tea plantation management device, or installed (protruding) on the tea plant to cause frost damage Prevent it. However, it is necessary to remove the guard and fan for this accommodation. Moreover, as a low-temperature type defrosting fan device of another company, there is a defrosting fan (reference (2)) of JP-A-10-113076. Its contents are provided with a support part at the tip of the telescopic pole, a foldable arm is provided on this support part, a blower body is provided on this arm, and the blower body is provided via contraction of the pole and folding of the arm. It is configured to be folded and housed slightly above the ground in the tea tree, and substantially the same effect as described above can be expected. Further, another low-temperature defrost fan device of the applicant of the present application is a cart (reference (3)) of a movable defrost fan corresponding to an inclined land disclosed in Japanese Patent Laid-Open No. 2000-50748. The content is configured to be able to travel (move) along the rails of the field, and for example, it is possible to expect substantially the same effect as described above, or to blow air corresponding to climatic conditions.
[0006]
  However, this type of low-floor type anti-frost fan has recently been requested due to the introduction of a large tea plantation management device, and the following problems have been pointed out. [1] As an example, it is impossible to catch (catch) the warm air of the inversion layer and expect the defrost effect by using this warm air. [2] There are many situations where efficient defrosting effects cannot be expected for the type defrosting fan device, and the number of low-temperature type defrosting fan devices increases. [3] The increase in the number of units increases the running cost. Can be considered.
[0007]
[Problems to be solved by the invention]
  In the conventional low-place type anti-frost fan device, the introduction of a large tea garden management device can solve one aspect of the conventional problems. However, regarding the housing of the defrosting fan, for example, an operation of digging a recess (pit) in the ground to accommodate a part of the defrosting fan and / or an operation of removing a guard, a folding operation of the pole or the defrosting fan Etc. are required. Therefore, in the conventional low-rise type frost-proof fan device, the installation cost is increased, labor is required, or it is impossible to perform this operation for a large number of frost-proof fan devices. There are harmful effects.
[0008]
  Moreover, in the conventional low location type defrost fan apparatus, it is not set as the mechanism which sets a ventilation range wide and blows efficiently through a (small) swinging operation. Accordingly, it is considered difficult to blow air efficiently by a defrost fan over a wide range, and as a result, an efficient defrost effect cannot be expected. There were thought to be harmful effects such as inviting an increase in
[0009]
  In addition, in order to eliminate the concave portion, for example, when the frost-proof fan of the low-place type frost-proof fan device has a small diameter and is easily accommodated, it is impossible to secure a ventilation distance, which is an effective prevention. Problems such as the inability to expect the frost effect occur.
[0010]
  In view of the above, the present invention intends to introduce a large tea plantation management device, or in a multi-headed low-temperature type defrosting fan device, set the blowing range wide from the beginning, and efficiently through a small swing motion Air is blown and blown by the defrost fan over a wide range and efficiently, or an efficient defrost effect is achieved, resulting in a reduction in the number of low-temperature defrost fan devices and costs. It is intended to reduce the amount. Moreover, the ventilation distance which can exhibit a defrost effect is ensured, and the number of low location type defrost fans is intended. Further, in the present invention, the leaf surface wind (the wind flowing through the leaf surface) is stably and widely supplied in a state in which the leaf surface temperature is secured. Thereby, frost damage is prevented and the temperature of the leaf surface is secured. What is important is that either the fixed multi-head type low-rise defrost fan device or the swing-type multi-head low-temperature defrost fan device before the frost has fallen on the leaf surface. Always blow. In the case of the swinging operation, it is intended that the air is always returned to the original position before the frost on the leaf surface.
[0011]
[Means for Solving the Problems]
  In the invention of claim 1, the air blowing range is set wide, and air is blown efficiently over a wide range through a fixed method (no swinging) or a small swinging motion (swinging method), or efficiency It is intended to achieve a typical defrosting effect and, as a result, to reduce the number of low location type defrosting fan devices and to reduce running costs. In addition, it intends to introduce a large-sized tea garden management device to ensure convenience, and to promote the spread of the low-rise frost-proof fan device. and again,By installing a low-place frost-proof fan device at the corner of the teacup in the field and blowing in the direction of the diagonal of the field, the fan is blown into the rectangular area of the field and enables a defrosting effect in a substantially rectangular area. I intend to.
[0012]
  Claim 1 is a pole provided on a farm field, a defrosting fan mounting mechanism provided on the pole, a supporting means provided on the defrosting fan mounting mechanism, and several defrosting fans provided on the supporting means, Multi-head type low-rise defrost fan composed ofIn
  This multi-headed low-temperature defrost fanA cylindrical cylinder provided in the support means, a defrosting fan and a baffle plate provided on the cylindrical cylinder via a support, and a motor for driving the defrosting fan; The defrosting fan comprised of the defrosting fan, the guard provided in the support means, the defrosting fan provided via the guard support part, and the motor for driving the defrosting fan. With fansIn combination,
  In addition, this low-floor type defrosting fan device is installed at the corner of a teacup in the field, and is blown in the direction of the diagonal line of the field, so that the air is blown into the rectangular area of the field.It is a low place type anti-frost fan device.
[0013]
[0014]
[0015]
  Claim 2The present invention is intended to achieve the object of claim 1 or to provide an optimum frost-proof fan mounting mechanism for claim 1, claim 2 or claim 3.
[0016]
  Claim 2 is claim 1The frost-proof fan mounting mechanism described in 1 is provided with a first casing provided with an elevating mechanism provided on the pole, and a swing for a frost-proof fan provided on the first casing via an inclination depression angle adjusting mechanism. This is a multi-head type low-temperature defrost fan device configured with a second casing provided with a mechanism.
[0017]
  Claim 3The present invention achieves the object of claim 1 orClaim 1It is intended to provide an optimal cylinder and / or guard.
[0018]
  Claim 3 claims claim 1The cylindrical body and / or guard described in 1 is a multi-headed low-temperature defrosting fan device configured to be provided on the support means via a wind-feed depression angle adjusting mechanism.
[0019]
  Claim 4The present invention achieves the object of claim 1,Or claim 2It is intended to provide a swing mechanism for an anti-frost fan that is optimal for the above.
[0020]
  Claim 4 claims claim 2The swing mechanism for the anti-frost fan described in 1 is a swing motor, a drive side link that is moved by the swing motor, a link arm that is connected to the drive side link, and a driven link that is connected to the link arm. This is a multi-head type low location defrosting fan apparatus composed of a rotating shaft that is rotated by this driven side link and a swing base provided on the rotating shaft.
[0021]
  Claim 5The present invention achieves the object of claim 1,Or claim 1It is intended to provide an optimal pole structure for the case.
[0022]
  Claim 5 is claim 1The pole described in (1) is a lifting / lowering pole, and this lifting / lowering pole is a multi-head type low-temperature frost-proof fan device that can be accommodated in the embedded pole and can be pulled out of the embedded pole.
[0023]
  The invention of claim 6 is intended to provide an air blowing method using a low-place defrosting fan device that is optimal for achieving the object of claim 1.
[0024]
  Claim 6 is a pole provided on the field, a defrost fan mounting mechanism provided on the pole, a support means provided on the defrost fan mounting mechanism, and a plurality of defrost fans provided on the support means, In the low head type anti-frost fan with multi-head system,
  This multi-head type low location defrost fan includes a cylindrical tube provided in the support means, a defrost fan and a current plate provided on the cylindrical tube via a support, A defrosting fan configured with a motor for driving a defrosting fan, a guard provided in the support means, a defrosting fan provided via the guard support portion, and the defrosting fan It is a combination of a frost-proof fan configured with a motor that drives the frost-proof fan, and this low-place type frost-proof fan device is installed at the corner of the teacup in the field, and blown in the direction of the diagonal of the field, It is a blowing method using a low place type defrosting fan device configured to blow air to the rectangular area of this field.,
  While generating blowing air (W1) to (W3) in three directions from each frost-proof fan, the fan is blown away using this central frost-proof fan, and far away using frost-proof fans at both ends. It is an air blowing method using a low-temperature type defrost fan device configured to blow air to the near side..
[0025]
DETAILED DESCRIPTION OF THE INVENTION
  Hereinafter, an embodiment of the present invention will be described based on an example of FIGS. 12A and 12B schematically. In this example, the three heads shown in FIG. 7 are multi-head type low-temperature frost-proof fan devices provided with a frost-proof fan provided with a casing. Blow. For example, the blast air (W1)-(W3) which reaches the substantially the same distance to three directions from each defrost fan (three defrost fans) installed on the tea tree is shown. Therefore, the air blowing range is set to be wide from the beginning, and the air is blown over a wide area in a fixed manner. Accordingly, it is intended to achieve an efficient defrosting effect and, as a result, to reduce the number of low location type defrosting fan devices and to reduce or reduce costs or running costs. Moreover, in this example, the expansion of the ventilation distance of the superimposition part (W4) and (W5) of blowing air can be utilized. Therefore, it has been confirmed by experiments that a part of the defrosting effect area can be expanded by about 1.2 to 1.5 times (about 1.2 to 1.6 times is possible), and is large. Expansion of anti-frost effect can be expected. As in this example, in the fixing method of each frost-proof fan, the increase in the blowing distance of the overlapping portions (W4) and (W5) is remarkable. (B) in this example is an example in which the swing method is adopted in the configuration of (b). The air blowing range is set to be wide from the beginning, and air is efficiently blown through a small swinging motion. Air blown by the frost fan can be performed in a wide range and efficiently, or an effective frost-proof effect is achieved. As a result, the number of low-temperature type frost-proof fan devices is reduced and the cost is reduced. Intended to plan. Also in this example, it is possible to expect an increase in the blowing distance of the superimposing portion (not shown). In addition, the arrow has shown the movement of blowing air (W1)-(W3), A shows the left direction (going), B shows the right direction (return), respectively.
[0026]
  Next, a description will be given based on an example of FIG. In this example, it is the structural example shown in FIG. 4, and a multi-head type low-temperature type anti-frost fan device in which a defrost fan having a casing at the center and a defrost fan having guards at both ends thereof are provided. Is provided at the corner of the bowl and blown in the direction of the diagonal line from the defrost fan provided with the casing of the low-rise defrost fan device. For example, blowing air (W1) to (W3) in three directions from each defrosting fan is shown. In this example, the air is blown far away using the central anti-frost fan, and the air is blown forward from far away using the anti-frost fans at both ends. Therefore, in this example, typically, a defrosting effect can be expected in a substantially square range, and a smooth blow can be expected because the tea cup is less disturbed. Note that the swing of the frost-proof fan conforms to the above-described FIG.
[0027]
  In any case, the air is blown to the tea plant in the field to ensure a defrosting effect while eliminating waste. And in each example, it blows toward each direction from several defrost fans installed on the tea plant. How to blow air to the leaf surface of the tea tree is determined, for example, by conditions such as the growth and age of the tea tree, the temperature of the leaf surface, the form of the ground surface, the flow of airflow, the temperature, and the like. Therefore, basically, the following elements can be considered.
[1] The blowing direction with respect to the leaf surface includes (a) a substantially horizontal blowing (horizontal blowing), and (b) a blowing with a depression angle (an depression blowing).
[2] Further, the blowing range for the foliage includes (c) a fixed method and (d) a swing method.
[3] Operate several defrost fans individually. For example, (e) the central frost-proof fan is fixed, and the left and right frost-proof fans are swung. In addition, (f) the central frost-proof fan is a swing system, and the left and right frost-proof fans are a fixed system. Further, for example, (g) the central frost-proof fan is horizontally blown, and the left and right frost-proof fans are depression blow. In addition, (h) the central frost-proof fan is an angle fan and the left and right frost-proof fans are a horizontal fan.
[4] Operate several defrost fans under the same conditions.
[0028]
  There exists the ventilation system demonstrated above, By selecting (a)-(h) and [4] in this [1]-[3] suitably, the defrosting effect is aimed at by a more reliable and simple method.
[0029]
  Therefore, the relationship between the above factors and the climatic conditions, topography and the like where frost damage is expected will be described below.
[0030]
  (1) In a state where the temperature is low, a concentrated air blowing method is ideal. For example, (b) a depression air blowing method and (c) a fixed method are adopted.
[0031]
  (2) In a state where the temperature is high, a diffusion (intermittent) air blowing method is ideal. For example, (b) a horizontal air blowing method and (d) a swinging method are adopted.
[0032]
  (3) In principle, if the terrain is horizontal and there are changes such as unevenness, it conforms to the terrain in principle. When the temperature is high or low, the air blowing method is adopted as described above. For example, a method of blowing air with an upward depression angle is adopted for high terrain, and a method of blowing air with a downward depression angle is adopted for low terrain.
[0033]
  In any case, the characteristics of the low-floor type anti-frost fan device are exhibited to the maximum, and the air is blown over a wide area. ) To prevent frost and frost damage. The adoption of the low-place type anti-frost fan device has advantages such as the introduction of a large-sized tea garden management device and a way to ensure its use, and it can cope with the recent agricultural environment. In addition, it can be handled according to various conditions such as topography and / or climatic conditions, tea tree growth, situation, etc., and this defrosting effect is improved quality, delicious rice, wheat, vegetables, fruits, fruits, flowers It is characterized by the ability to grow and harvest crops, etc., and the ability to grow and manage organisms such as grass, trees and plants. Moreover, the benefits of opening up these early-growing cultivations, providing an optimal environment for growth, cultivation, etc., optimizing and maintaining planting, or improving the number of planted trees and trees There is.
[0034]
  Although not shown, it is possible to utilize the warm air in this area by adopting a configuration in which the anti-frost fan reaches the inversion layer if necessary.
[0035]
【Example】
  An embodiment of the present invention will be described below. In the present invention, parts having the same structure use the same numbers and names.
[0036]
  The low-floor type defrost fan device 1 erected mainly in the tea plant H1 of the farm field H (a location that does not hinder the running of the large tea plantation management device) includes the buried pole 2 buried in the ground H2 in the tea plant H1 and the buried pole. An elevating pole 3 provided on the pole 2, a first casing 4 provided on the elevating pole 3 (a part of a defrosting fan mounting mechanism), an inclination depression angle adjusting mechanism 5 provided on the first casing 4, A second casing 6 (a part of a defrosting fan mounting mechanism) provided in the tilt depression angle adjusting mechanism 5, a support means 7 provided in the second casing 6, and a protection means supported by the support means 7. The frost fan 8 is used. In this example, the support means 7 includes at least one main body support portion 70 provided in the second casing 6 and several support arms 71 respectively extending from the main body support portion 70. Specifically, a defrosting fan 8 is provided on the support arm 71 via a movable plate described later.
[0037]
  The elevating pole 3 (first and second elevating poles 30 and 31) includes an elevating jitter 40 provided in the first casing 4 and a first screw shaft 41 provided in the elevating jitter 40. A second screw shaft 42 linked to the screw shaft 41, one or several nuts 43, 44 meshing with the first and second screw shafts 41, 42, and the nut 43 are fixed. The second screw shaft 42, a square tube 45 fixed to a base 46 to which a nut 44 is fixed, and a jack mechanism (not shown) are configured. As a result, the first screw shaft 41 rises, and a first elevating pole 30 described later rises (projects from the embedded pole). When the first lifting pole 30 reaches the rising limit, the locking piece provided on the first lifting pole 30 is locked to the locked portion of the second lifting pole 31. Thereafter, the first and second screw shafts 41 and 42 are further raised by the normal rotation of the lifting and lowering motor 40, and first and second lifting and lowering poles 30 and 31 described later are raised (projected from the embedded poles). The configuration of the first and second lifting poles 30 and 31, nuts 43 and 44, etc. is an example. The first and second elevating poles 30 and 31 are accommodated in the embedded pole 2 by reversing the first and second screw shafts 41 and 42 provided in the elevating motor 40.
[0038]
  The second casing 6 is provided with a swing mechanism 60. The swing mechanism 60 has a swing jitter 61 and a drive side link 62 provided on the swing jitter 61. A link arm 63 connected to the drive side link 62, a driven side link 64 connected to the link arm 63, a rotary shaft 65 rotating on the driven side link 64, and a swing provided on the rotary shaft 65. And the gantry 66. Therefore, the drive side link 62 is rotated by the rotation of the swinging jitter 61. As the drive side link 62 rotates, the link arm 63 moves left and right on the drawing of FIG. 1, and as the link arm 63 moves left and right, the driven side link 64 rotates by a predetermined angle. Due to the rotation of the driven side link 64, the rotation shaft 65 moves (swings) in a predetermined range (for example, a small range). This movement is transmitted to the swinging base 66 mounted on the second casing 6, so that the swinging motion is given to the swinging base 66. This swing mechanism 60 is an example.
[0039]
  The tilt depression angle adjusting mechanism 5 (of the anti-frost fan 8) provided as necessary includes a pair of stoppers 67 provided in the second casing 6 and a pair of long holes provided in the second casing 6 in pairs. 10a and a fixed base 10 having a pair of wall surfaces 10b. By releasing the fastening of the stopper 67, the angles of the swinging base 66 and the frost-proof fan 8 are changed, and the stopper 67 at the changed position is provided. The depression angle of the frost-proof fan 8 is adjusted through an operation by tightening.
[0040]
  In the figure, 11 is an airflow depression angle adjusting mechanism provided if necessary. This airflow depression angle adjusting mechanism 11 is a pair of support means 7 provided on the motor base of the branch type support means 7 or the defrosting fan 8. And the movable plate 110 having a long hole 110a provided in a pair with the support means 7, and the angle of the frost-proof fan 8 is changed by releasing the tightening of the stopper 72, and the changed position. The wind pressure depression angle is adjusted through an operation by tightening the stopper 72 in the above.
[0041]
  The anti-frost fan 8 has a structure provided with the cylindrical casing 80 shown in FIGS. 6 to 8 and a structure provided with a guard 84 made of a net, a rectifying body, etc. shown in FIGS. 9 to 11. The frost-proof fan 8 shown in FIGS. 6 to 8 includes a cylindrical cylindrical body (casing) 80 constituting an outer shell, a rectifying plate 81 provided on the cylindrical body 80, or a support portion (not shown), It is composed of a fan 82 and a motor 83 for frost prevention provided in the support portion. This rectifying plate 81 is intended to enhance the rectifying effect and / or reach, safety, prevention of entry of small birds, and the like. The rectifying plate 81 has a distal end attached to the cylindrical body 80 with a stopper 81a such as a screw, and a base end inserted into and locked with the stopper plate 81b. The rectifying plate 81 is intended for simple attachment and easy replacement. To do. Further, the frost-proof fan 8 shown in FIGS. 9 to 11 includes a substantially disc-shaped guard 84 constituting the outer shell, a motor base 83a provided on the support means 7, a motor 83 provided on the motor base 83a, and a frost-proof fan. The fan 82 is comprised. The guard 84 is intended for safety, prevention of entry of small birds, obstacles, and the like.
[0042]
  It should be noted that a protective net 80a is provided on the back side of the cylindrical body 80 to prevent the insertion of human hands, avoid injury, or prevent the entry of birds, obstacles, etc., and protect the fan 82 for frost prevention. It is intended to create a proper blast.
[0043]
【The invention's effect】
  The invention of claim 1 includes a pole provided on a farm field, a defrost fan mounting mechanism provided on the pole, a support means provided on the defrost fan mounting mechanism, and several anti-frost fans provided on the support means. Constructed multi-head type low-rise frost-proof fanIn
  Multi-head type low-temperature defrost fanIs composed of a cylindrical cylinder provided in the support means, a defrosting fan and a current plate provided on the cylindrical cylinder via a support, and a motor that drives the antifrost fan. A defrosting fan comprising a defrosting fan, a guard provided on the support means, a defrosting fan provided via a guard support, and a motor for driving the defrosting fan.In combination,
  In addition, the low-floor type anti-frost fan device is installed at the corner of the tea bowl in the field, and is blown in the direction of the diagonal line of the field, so that it is blown into the rectangular area of the field.It is a low place type anti-frost fan device. Therefore, the air blowing range is set to a wide range, and the air can be blown efficiently over a wide range through a fixed method or a small swing motion, or an effective defrosting effect is achieved, resulting in a low There are features such as a reduction in the number of in-house defrost fan devices and a reduction in running costs. In addition, there are practical benefits such as the introduction of a large tea plantation management device to ensure convenience and the promotion of the spread of low-place frost-proof fan devices. further,By installing a low-place frost-proof fan device at the corner of the teacup in the field and blowing air in the diagonal direction of the field, the air is blown into the rectangular area of the field, and a defrosting effect in a substantially square area can be expected.
[0044]
[0045]
  Claim 2The invention ofClaim 1The frost-proof fan mounting mechanism described in 1 includes a first casing provided with a lifting mechanism provided on a pole, and a swing mechanism for the frost-proof fan provided on the first casing via an inclination depression angle adjusting mechanism. It is a multi-head type low location type anti-frost fan device configured with a second casing provided. Therefore, the object of claim 1 can be achieved, orClaim 1It is possible to provide an optimum frost-proof fan mounting mechanism.
[0046]
  Claim 3The invention ofClaim 1The cylindrical body and / or guard described in 1 is a multi-head type low-temperature defrosting fan apparatus configured to be provided in the support means via a wind-feed depression angle adjusting mechanism. Therefore, the object of claim 1 can be achieved, orClaim 1It is possible to provide an optimal cylinder and / or guard.
[0047]
  Claim 4The invention ofClaim 2The swing mechanism for the anti-frost fan described in 1 is a swing motor, a drive side link that is driven by the swing motor, a link arm that is connected to the drive side link, a driven side link that is connected to the link arm, and a driven side This is a multi-head type low-temperature defrosting fan device composed of a rotating shaft that rotates with a link and a swinging base provided on the rotating shaft. Therefore, the object of claim 1 can be achieved, orClaim 2It is possible to provide a swing mechanism for an anti-frost fan that is optimal for the above.
[0048]
  Claim 5According to the present invention, the pole described in claim 1 is an elevating pole, and the elevating pole can be accommodated in the embedded pole and can be pulled out of the embedded pole. Device. Therefore, the object of claim 1 can be achieved, orClaim 1It is possible to provide an optimal pole structure.
[0049]
  The invention of claim 6A low-head multi-head system composed of a pole provided on the field, a frost-proof fan mounting mechanism provided on the pole, a support means provided on the frost-proof fan mounting mechanism, and several frost-proof fans provided on the support means. In the frost-proof fan,
  A multi-head type low-rise defrost fan, a cylindrical tube provided in the support means, a defrost fan and a baffle plate provided on the cylindrical tube via the support, and a defrosting fan Consists of a defrost fan configured with a motor that drives the fan, a guard provided on the support means, a fan for defrost provided via the guard support, and a motor that drives the fan for defrost The low-floor type anti-frost fan device is installed at the corner of the tea bowl in the field, and blows in the direction of the diagonal line of the field, thereby blowing into the rectangular area of the field. WasIt is a blowing method using a low place type anti-frost fan device,
  While generating blast air (W1) to (W3) in three directions from each frost-proof fan, it blows far away using the central frost-proof fan, and further from the far side using frost-proof fans at both ends. It is an air blowing method using a low-temperature type defrost fan device configured to blow air to the side.. Therefore,A sixth aspect of the present invention has a feature that it can provide a blowing method using a low-place defrosting fan device that is optimal for achieving the object of the first aspect.
[Brief description of the drawings]
FIG. 1 is a schematic diagram showing an example of a state where a multi-head type low-rise defrost fan is installed in a farm and set in a tea plant
FIG. 2 is a schematic diagram showing an example of a state where a multi-head type low-rise defrosting fan is provided on a field and set on a leaf surface.
FIG. 3 is a front view showing an example of a combination of a multi-head type low-temperature defrosting fan with a structure including a cylindrical casing and a structure including a guard net.
4 is a plan view of FIG. 3. FIG.
FIG. 5 is a side view of FIG.
FIG. 6 is a front view showing an example in which a multi-head type low-rise defrosting fan is provided with a cylindrical casing.
7 is a plan view of FIG. 6. FIG.
FIG. 8 is a side view of FIG.
FIG. 9 is a front view showing an example in which a multi-head type low place defrosting fan is provided with a guard net.
10 is a plan view of FIG. 9. FIG.
11 is a side view of FIG. 9;
FIG. 12 is a bird's-eye view showing an example of wind distribution by a multi-head type low-rise defrost fan. FIG. 12 (a) blows air to a teacup, for example, each defrost fan installed on a tea tree. From (three frost-proof fans), air blown in three directions (W1) to (W3) is shown, (b) shows another example of the above (b).
FIG. 13 is an overhead view showing an example of wind distribution by a low head type defrosting fan of a multi-head system, air blown from each defrosting fan toward the diagonal line from the corner of the teacup (W1) to Indicates (W3)
FIG. 14 is an enlarged front view showing the relationship between an example of a rectifying plate and a cylindrical body in which a multi-head type low-temperature defrosting fan is structured to have a cylindrical casing.
[Explanation of symbols]
1 Low-rise frost-proof fan device
2 buried pole
3 Lifting pole
30 First lifting pole
31 Second lifting pole
4 First casing
40 Lifting motor
41 Screw shaft
42 Screw shaft
43 nuts
44 nuts
45 square tube
46 base
5 Inclination depression angle adjustment mechanism
6 Second casing
60 Swing mechanism
61 Motor for swinging
62 Drive side link
63 Link arm
64 Follower link
65 Rotating shaft
66 Pedestal for swinging
67 Stopper
7 Support means
70 Body support
71 Support arm
72 Stopper
8 Anti-frost fan
80 casing
80a protection net
81 Current plate
81a Stopper
81b Stop plate
82 Fan for defrosting
83 motor
83a Motor base
84 Guard
10 fixed base
10a long hole
10b Wall surface
11 Katsuda depression angle adjustment mechanism
110a long hole
110 Movable plate
H field
H1 tea tree
H2 ground
(W1) Blowing air
(W2) Blowing air
(W3) Blowing air
(W4) Superposed part of blown air
(W5) Superposed part of blown air

Claims (6)

A multi-head system composed of a pole provided on the field, a defrost fan mounting mechanism provided on the pole, a support means provided on the defrost fan attachment mechanism, and several defrost fans provided on the support means In the low temperature type defrosting fan ,
This multi-head type low-temperature defrosting fan includes a cylindrical tube provided on the support means, a defrosting fan and a current plate provided on the cylindrical tube via a support, A defrosting fan configured with a motor for driving a defrosting fan, a guard provided in the support means, a defrosting fan provided via the guard support portion, and the defrosting fan It is a combination with a defrost fan composed of a motor that drives
In addition, this low place type defrosting fan device is installed at the corner of the tea bowl in the field, and blows in the direction of the diagonal line of this field, so that the low place type defrosting fan is configured to blow into the rectangular area of this field. Fan device. The anti-frost fan mounting mechanism according to claim 1 is for a first casing provided with an elevating mechanism provided on the pole, and an anti-frost fan provided on the first casing via an inclination depression angle adjusting mechanism. The low head type defrost fan apparatus of the multi-head system comprised with the 2nd casing provided with the head swing mechanism . The cylinder and / or the guard according to claim 2 is a multi-head type low location defrost fan device configured to be provided in the support means via a wind angle depression angle adjusting mechanism . The swing mechanism for the anti-frost fan according to claim 4 includes a swing motor, a drive side link moved by the swing motor, a link arm connected to the drive side link, and a follower connected to the link arm. A multi-head type low-temperature defrost fan device comprising a side link, a rotating shaft that rotates on the driven side link, and a swinging base provided on the rotating shaft . The pole according to claim 1 is an elevating pole, and the elevating pole can be accommodated in the embedded pole and can be pulled out of the embedded pole . A multi-head system composed of a pole provided on the field, a defrost fan mounting mechanism provided on the pole, a support means provided on the defrost fan attachment mechanism, and several defrost fans provided on the support means In the low temperature type defrosting fan,
This multi-head type low location defrost fan includes a cylindrical tube provided in the support means, a defrost fan and a current plate provided on the cylindrical tube via a support, A defrosting fan configured with a motor for driving a defrosting fan, a guard provided in the support means, a defrosting fan provided via the guard support portion, and the defrosting fan It is a combination of a frost-proof fan configured with a motor that drives the frost-proof fan, and this low-place type frost-proof fan device is installed at the corner of the teacup in the field, and blown in the direction of the diagonal of the field, It is a blowing method using a low place type defrost fan device configured to blow into a square range of this field ,
While generating blowing air (W1) to (W3) in three directions from each frost-proof fan, the fan is blown away using this central frost-proof fan, and far away using frost-proof fans at both ends. An air blowing method using a low-temperature defrosting fan device configured to blow air to the near side .

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