JP2018015686A - Water tank washing device and water tank washing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water tank washing device which can wash a water tank easily and adequately.SOLUTION: A water tank washing device 1 washes an inside of a water tank 2 for water culture. The water tank washing device 1 includes traveling means 6 which can travel inside the water tank 2. The traveling means 6 is fixed to a main body case 5. A washing body 7 is arranged on front and back sides of the main body case 5 from the traveling means 6. The washing body 7 can rotate in a contact state with a bottom surface part 3 and side wall part 4 of the water tank 2. The water tank washing device 1 rubs and washes the bottom surface part 3 and side wall part 4 of the water tank 2 by rotating the washing body 7 which travels inside the water tank 2 in a longitudinal direction of the water tank 2 by the traveling means 6 and contacts with the bottom surface part 3 and side wall part 4 of the water tank 2.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an aquarium cleaning device and an aquarium cleaning method for cleaning an aquarium tank.

  For example, as a cleaning device for cleaning a longitudinal aquarium that is a cultivation tank such as a straw used in hydroponics, for example, as shown in Patent Document 1, a guide portion is fitted to the opening of the aquarium and the length of the aquarium There exists a thing of the structure which has the sliding part which can slide to a direction, and the washing | cleaning nozzle attached to this sliding part.

  And while sliding a sliding part freely along the longitudinal direction of a water tank, washing water is sprayed with a washing nozzle, and a water tank is washed.

Japanese Patent Laid-Open No. 10-136811

  However, in the above-described cleaning device of Patent Document 1, it is necessary to attach a guide portion to the water tank, and it may be applicable only to a specific type of water tank.

  Also, in water tanks such as cultivation tanks for hydroponics, dirt generated during the growth of plants adheres to the bottom and side surfaces of the water tank, and these dirts remain unwashed properly. The soil growth may inhibit plant growth.

  For this reason, it is necessary to clean both the bottom surface portion and the side wall portion firmly, and it has been common for an operator to manually clean.

  And, in relatively large-scale aquariums such as hydroponics facilities, manual washing has a large work load on the operator, so there is a need for a water tank cleaning device and a water tank cleaning method that can easily and appropriately wash the water tank. It was.

  This invention is made | formed in view of such a point, and it aims at providing the water tank washing | cleaning apparatus and water tank washing | cleaning method which can wash | clean a water tank easily and appropriately.

  The water tank cleaning device according to claim 1 is a water tank cleaning device for cleaning the inside of a water tank for hydroponics, wherein the water tank is capable of traveling in the water tank, and the water tank is based on traveling of the traveling means. And a cleaning body capable of rotating while being in contact with the bottom and side walls of the water tank.

  The water tank cleaning apparatus according to claim 2 is the water tank cleaning apparatus according to claim 1, wherein the cleaning body is detachably provided and can be replaced according to the shape of the inner surface of the water tank.

  The water tank cleaning apparatus according to claim 3 is the water tank cleaning apparatus according to claim 1 or 2, wherein the cleaning body is provided at least in front of and behind the traveling means.

  The water tank cleaning apparatus described in claim 4 is the water tank cleaning apparatus according to claim 3, wherein each cleaning body rotates in the same direction.

  The aquarium cleaning apparatus according to claim 5 is the aquarium cleaning apparatus according to any one of claims 1 to 4, wherein the traveling means includes a switching operation unit that switches the traveling direction to the opposite direction. In the state of traveling in the direction, the switching operation unit switches to the other direction by contacting one side wall portion which is an end portion on one side of the water tank, and the traveling means travels in the other direction. In this state, the traveling direction is switched to one direction when the switching operation portion comes into contact with the other side wall portion which is an end portion on the other direction side of the water tank.

The aquarium cleaning apparatus according to claim 6 is the aquarium cleaning apparatus according to any one of claims 1 to 5, wherein the traveling means includes a stop operation unit that stops traveling,
In the state where the traveling means is traveling, the traveling operation is stopped when the stop operation portion comes into contact with a side wall portion which is an end portion of the water tank.

  The water tank cleaning method according to claim 7 supplies a citric acid solution into the water tank, performs citric acid treatment for a predetermined time, drains the citric acid solution from the water tank, and the inside of the water tank is any one of claims 1 to 6. Washing is carried out while running the water tank cleaning device described in the above.

  According to the present invention, the water tank can be easily and appropriately cleaned because the cleaning body can rotate while traveling by the traveling means while being in contact with the inside of the water tank.

It is a side view which shows the structure of the water tank cleaning apparatus which concerns on one embodiment of this invention. It is an end elevation which shows the state by which the same water tank washing | cleaning apparatus was arrange | positioned in the water tank. It is a top view which shows a water tank cleaning apparatus same as the above.

  Hereinafter, the configuration of an embodiment of the present invention will be described in detail with reference to the drawings.

  1 to 3, reference numeral 1 denotes an aquarium cleaning device, and this aquarium cleaning device 1 is used for cleaning an aquarium 2 that is a cultivation tank composed of a long-shaped straw or the like used for hydroponic cultivation equipment or the like. Is.

  As shown in FIG. 2, the aquarium 2 has a shape in which side walls 4 are provided on both sides in the width direction of the bottom surface 3 and open upward. As shown in FIG. Has been.

  In the hydroponics facility, in order to hold seeds and plants, a holding member (not shown) formed of foamed polystyrene or the like is placed on the upper part in the water tank 2, and the culture solution is supplied to the lower side thereof.

  As the plant grows, dirt such as excreta discharged from the plant adheres to the bottom surface 3 and the side wall 4 of the water tank 2.

  Since this attached dirt may be a factor that hinders the growth of the plant, the water tank 2 is removed from the water tank 2 at a predetermined timing such as when the plant is harvested. Wash with.

  As shown in FIGS. 1 to 3, the water tank cleaning apparatus 1 is provided with a traveling means 6 and a cleaning body 7 positioned forward and rearward of the traveling means 6 below the main body case 5.

  The main body case 5 has a rectangular box-shaped case portion 12 attached to an upper portion of a rectangular case substrate portion 11, and the inside is hollow.

  A battery 13 such as a battery and a control unit 14 are provided on the upper surface of the case substrate 11 in the main body case 5.

  In addition, a motor 15 as a driving unit is provided on each of one side and the other side in the longitudinal direction from the battery 13 and the control unit 14 in the case substrate unit 11 in the main body case 5.

  The motor 15 is fixed to the case substrate portion 11 via a bearing 18 so that the output shaft 17 protrudes downward.

  The traveling means 6 is fixedly provided on the lower surface of the case substrate portion 11 so as to be positioned below the battery 13 and the control portion 14.

  A handle 16 is provided on the outer side surface of the case portion 12 in the longitudinal direction.

  The traveling means 6 has a rectangular traveling means substrate portion 21 fixedly connected to the lower side of the case substrate portion 11, and a rectangular box-shaped traveling means case portion 22 attached to the lower side of the traveling means substrate portion 21. It has been.

  A motor 24 as a driving means is provided on the lower surface of the travel means substrate portion 21 via a mounting bracket 23 so as to be positioned in the travel means case portion 22.

  The motor 15 and the motor 24 are connected to the control unit 14, and the rotation direction, rotation speed, and the like thereof are controlled.

  A shaft 25 connected to the output shaft 29 of the motor 24 is rotatably attached to the travel means case portion 22 via a bearing 26.

  Wheels 27 are fixedly attached to both ends of the shaft 25, and an endless belt 28 is wound around the outer peripheral surface of the wheels 27.

  Then, when the shaft 24 and the wheels 27 are rotated in one direction by driving the motor 24, the belt 28 rotates in one direction, and the traveling means 6 moves forward with the main body case 5. On the other hand, the shaft 25 and the wheels 27 are rotated in the other direction by driving the motor 24, so that the belt 28 rotates in the other direction, and the traveling means 6 moves backward with the main body case 5.

  Here, the traveling means 6 has a switching operation unit 31 for switching the rotation direction of the motor 24 and switching the traveling direction to the opposite direction, and a stop operation unit 32 for stopping the rotation by stopping the rotation of the motor 24. doing.

  The switching operation unit 31 is provided such that a rod-shaped switching unit 33 connected to the control unit 14 protrudes forward and backward of the traveling means 6, and a jig 34 can be attached to and detached from the switching unit 33.

  The switching portion 33 is formed in an L shape in which one end portion 35 on the front side which is one side is bent downward from the horizontal direction. The L-shaped one end portion 35 is located in front of the cleaning body 7 in front of the traveling means 6 and is disposed so as to cover a part of the cleaning body 7.

  In a state where the traveling means 6 is traveling forward, the one end portion 35 of the switching unit 33 comes into contact with the front side wall portion which is one side wall portion in the longitudinal direction of the water tank 2 before the cleaning body 7.

  Further, the traveling means 6 travels forward as it is in a state where the one end portion 35 of the switching unit 33 is in contact with the side wall portion on the front side of the water tank 2, and the switching unit 33 is pushed rearward on the other side. The control unit 14 is operated by 33, and the rotation of the motor 24 of the traveling means 6 is switched in the opposite direction. That is, the traveling method of the traveling means 6 is switched from the front on one side to the rear on the other side.

  On the other hand, the other end portion 36 on the rear side which is the other side of the switching portion 33 is configured such that the jig 34 can be attached and detached.

  The other end 36 is disposed slightly rearward of the cleaning body 7 behind the traveling means 6, and the jig 34 to which the other end 36 is attached is viewed from the horizontal direction so as to cover a part of the cleaning body 7. It is arranged in an L shape downward.

  When the jig 34 is attached to the other end 36 of the switching unit 33 and the traveling means 6 is traveling backward, the jig 34 attached to the other end 36 of the switching unit 33 is the cleaning body 7. Further, the rear side wall portion which is the other side wall portion in the longitudinal direction of the water tank 2 is brought into contact.

  In addition, the traveling means 6 travels as it is with the other end 36 of the switching unit 33 in contact with the rear side wall of the water tank 2, and the switching unit 33 is pushed forward on one side, The control unit 14 is operated by the switching unit 33, and the rotation of the motor 24 of the traveling means 6 is switched in the opposite direction. That is, the traveling direction of the traveling means 6 is switched from the rear side on the other side to the front side on the one side.

  The stop operation part 32 is provided such that a rod-like switching part 37 connected to the control part 14 protrudes rearward of the traveling means 6, and a jig 38 can be attached to and detached from the switching part 37.

  The switching unit 37 is configured such that a jig 38 can be attached to and detached from the other end 39 on the rear side which is the other side.

  The other end portion 39 is arranged slightly rearward of the cleaning body 7 behind the traveling means 6, and the jig 38 attached to the other end portion 39 extends from the horizontal direction so as to cover a part of the cleaning body 7. It is arranged in an L shape downward.

  When the jig 38 is attached to the other end 39 of the switching unit 37 and the traveling means 6 is traveling backward, the jig 38 attached to the other end 39 of the switching unit 37 is the cleaning body 7. Prior to this, together with the switching operation unit 31, the rear side wall portion which is the end portion on the other side in the longitudinal direction of the water tank 2 is brought into contact.

  Further, the traveling means 6 travels rearward as it is while the other end 39 of the switching unit 37 is in contact with the rear side wall of the water tank 2, and the switching unit 37 is pushed forward on one side, The control unit 14 is operated by the switching unit 37, and the driving of the motor 24 of the traveling means 6 is stopped. That is, the traveling of the traveling means 6 is stopped.

  The cleaning body 7 is a brush body or a sponge body formed in a predetermined shape with synthetic resin, synthetic fiber, or the like.

  The cleaning body 7 has a cleaning part 41 for cleaning the inner surface of the water tank 2 and a connection part 42 provided integrally so as to protrude from the upper surface of the cleaning part 41.

  The cleaning unit 41 is formed corresponding to the shape of the inner surface of the water tank 2. Specifically, the cleaning unit 41 is headed corresponding to the tapered shape of the side wall portion 4, for example, slightly narrowing downward so as to be in close contact with the bottom surface portion 3 and the side wall portion 4 in the state of being disposed in the water tank 2. It is shaped like a cone.

  The connection portion 42 has a connection hole 43 into which the output shaft 17 of the motor 15 can be inserted, and is fixed to the output shaft 17 inserted into the connection hole 43 by a fixing member 44.

  And the washing body 7 is a motor while moving in the water tank 2 with the driving | running | working means 6 in the state which the lower end surface was closely_contact | adhered to the bottom face part 3 of the water tank 2, and the side surface was closely_contact | adhered to the side wall part 4 of the water tank 2. By rotating by driving 15, dirt attached to the water tank 2 is rubbed and removed.

  Here, since the cleaning body 7 is disposed in front of and behind the traveling means 6, if the cleaning body 7 is rotated while traveling, the resistance generated between the cleaning body 7 and the water tank 2 due to the rotation causes the traveling means 6 and A force that causes shaking or shaking of the main body case 5 in the left-right direction acts.

  Therefore, if the cleaning body 7 provided in front of the traveling means 6 and the cleaning body 7 provided behind the traveling means 6 are rotated in the same direction, the resistance due to the rotation of each cleaning body 7 is increased. It is preferable that the traveling state is easily stabilized by being canceled out.

  Next, a method for cleaning the water tank 2 using the water tank cleaning apparatus 1 will be described.

  First, after harvesting the grown plant, a holding member (not shown) that holds the plant is removed from the water tank.

  After the culture solution in the water tank 2 is drained and the water tank 2 is emptied, a citric acid solution is supplied into the water tank 2, and the water tank 2 is immersed in the citric acid solution to perform citric acid treatment.

  After performing citric acid treatment for a predetermined time (for example, one day), the water tank cleaning device 1 is installed in the water tank 2 in a state where the citric acid solution is drained and the water tank 2 is emptied.

  The water tank cleaning device 1 is provided with a cleaning body 7 corresponding to the shape of the inner surface of the water tank 2. Further, a jig 34 is attached to the other end portion 36 of the switching operation portion 31, and a jig 38 is attached to the other end portion 39 of the stop operation portion 32.

  While driving the motor 24 to drive the traveling means 6 forward, which is one side in the longitudinal direction of the water tank 2, the motor 15 is driven to rotate the cleaning body 7, and the cleaning power based on the friction of the rotating cleaning body 7 is driven. The inner surface of the water tank 2 is washed by

  When the aquarium cleaning device 1 in a state of traveling forward reaches the front side wall portion which is an end portion on one side in the longitudinal direction of the aquarium 2, one end portion 35 of the switching operation portion 31 contacts the front side wall portion. Then, the switching operation unit 31 is pushed backward.

  When the switching operation unit 31 is pushed backward, the traveling direction is switched backward, and the inner surface of the water tank 2 is washed while traveling backward.

  When the water tank cleaning device 1 in the state of traveling backward reaches the rear side wall portion which is an end portion on the other side in the longitudinal direction of the water tank 2, the jig 34 and the stop operation portion 32 of the switching operation portion 31 The jig 38 comes into contact with the rear side wall portion, the switching operation portion 31 and the stop operation portion 32 are pushed forward, and the traveling stops.

  That is, the water tank cleaning device 1 makes one reciprocation in the longitudinal direction while cleaning the inside of the water tank 2 by the action of the switching operation unit 31 and the stop operation unit 32, and stops at the other end in the longitudinal direction of the water tank 2.

  When the inside of the water tank 2 has not been sufficiently cleaned, the operator causes the water tank cleaning device 1 to run again and clean it.

  After the cleaning of the inner surface of the water tank 2 is completed, the water tank cleaning device 1 is removed from the water tank 2 to newly prepare for hydroponics of the plant.

  Next, the operation and effect of the one embodiment will be described.

  According to the above-described embodiment, since the cleaning body 7 rotates in close contact with the inner surface of the water tank 2 while traveling in the water tank 2 by the traveling means 6, the bottom surface portion 3 and the side wall portion 4 of the water tank 2 are appropriately disposed. For example, the entire inner surface can be easily cleaned even when the water tank 2 is long and relatively large in plan view.

  Moreover, since the water tank washing | cleaning apparatus 1 can replace | exchange the washing body 7 according to the inner surface shape of the water tank 2, it can wash | clean the whole inner surface of the water tank 2 of various magnitude | sizes and shapes with simple structure.

  Furthermore, since the water tank cleaning apparatus 1 has a configuration in which the cleaning bodies 7 are provided in front and rear of the traveling means 6, the entire length in the longitudinal direction of the water tank 2 can be appropriately cleaned while traveling by the traveling means 6.

  Furthermore, since these cleaning bodies 7 rotate in the same direction, the running means 6 and the body case 5 can be prevented from rattling or shaking due to resistance to the inner surface of the water tank 2 due to the rotation of the cleaning body 7, The running state can be further stabilized.

  The traveling means 6 has the switching operation unit 31 for switching the traveling direction, so that the traveling direction can be automatically reversed and reciprocated when reaching the end in the water tank 2, and the water tank can be more reliably 2 can be cleaned and the work load by the operator can be reduced.

  Moreover, since the traveling means 6 has the stop operation part 32 for stopping traveling, it can be automatically stopped when it reaches the end in the water tank 2.

  When the water tank 2 is washed, the dirt attached to the inner surface of the water tank 2 during the growth process of the plant can be more reliably removed by washing with the water tank washing apparatus 1 after the citric acid treatment.

  In the above embodiment, the cleaning body 7 is replaceable according to the shape of the inner surface of the water tank 2. However, the cleaning body 7 is not limited to such a configuration. You may make it the structure etc. which were made.

  Moreover, although the washing | cleaning body 7 was set as the structure provided in the front and back of the traveling means 6, it is not limited to such a structure, The location where the washing body 7 is installed, and the number of the cleaning bodies 7 provided are It can be changed as appropriate.

  Furthermore, when a plurality of cleaning bodies 7 are provided, each cleaning body 7 is configured to rotate in the same direction. However, the configuration is not limited to such a configuration, and the rotation direction of the cleaning body 7 can be set as appropriate.

  The traveling unit 6 includes the switching operation unit 31 that switches the traveling direction and the stop operation unit 32 that stops traveling. However, the traveling unit 6 is not limited to such a configuration, and the switching operation unit 31 and the stop operation unit 32 are not limited thereto. It is also possible to adopt a configuration in which no is provided.

  Alternatively, only the stop operation unit 32 may be provided without providing the switching operation unit 31, and the inside of the water tank 2 may travel in only one direction.

  Furthermore, the traveling means 6 is not limited to the configuration in which the endless belt 28 is provided. For example, the traveling unit 6 may be configured to travel by wheels as long as it can travel in the water tank 2.

  When the water tank 2 is cleaned using the water tank cleaning device 1, the water tank cleaning device 1 is not limited to the method of cleaning with the water tank cleaning device 1 after performing citric acid treatment. You may wash with.

DESCRIPTION OF SYMBOLS 1 Water tank cleaning apparatus 2 Water tank 3 Bottom face part 4 Side wall part 6 Traveling means 7 Cleaning body
31 Switching operation section
32 Stop operation section

Claims (7)

A water tank cleaning device for cleaning the inside of a water tank for hydroponics,
Traveling means capable of traveling in the water tank;
A water tank cleaning apparatus, comprising: a cleaning body that moves in the water tank based on the travel of the travel means and is rotatable in contact with a bottom surface portion and a side wall portion of the water tank. The aquarium cleaning apparatus according to claim 1, wherein the cleaning body is detachably provided and can be exchanged according to an inner surface shape of the aquarium. The water tank cleaning device according to claim 1 or 2, wherein the cleaning body is provided at least in front of and behind the traveling means. The water tank cleaning device according to claim 3, wherein each cleaning body rotates in the same direction. The traveling means has a switching operation unit that switches the traveling direction to the opposite direction,
In the state where the traveling means is traveling in one direction, the traveling direction is switched to the other direction by contacting the switching operation portion with one side wall which is an end portion on one side of the water tank,
In the state where the traveling means is traveling in the other direction, the traveling direction is switched to one direction by the switching operation portion coming into contact with the other side wall portion which is an end portion on the other direction side of the water tank. The aquarium cleaning apparatus according to any one of claims 1 to 4. The traveling means has a stop operation unit for stopping traveling,
The water tank according to any one of claims 1 to 5, wherein in the state in which the traveling means is traveling, the traveling operation is stopped by the stop operation unit coming into contact with a side wall portion that is an end of the water tank. Cleaning device. Supply citric acid solution into the water tank and treat with citric acid for a predetermined time,
Draining the citric acid solution from the aquarium,
The water tank cleaning method, wherein the water tank is cleaned while running the water tank cleaning device according to any one of claims 1 to 6.

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