JPH0721747Y2 - Plastic swimming pool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a plastic swimming pool used in an infant facility such as a kindergarten, and more particularly to a pool provided with a means for heating water.

(Prior art) Conventionally, in facilities for infants, for example, 350 cm long, 300 cm wide
The FRP pool, which is about 900 cm in depth and about 50 cm deep and is stationary, is used. This conventional example is usually used as a cold water pool that only contains water. In the winter and cold seasons, boilers may be installed at other locations for piping, and hot water boiled by the boiler may be used as a warm water pool by putting it in the FRP pool.

(Problems to be Solved by the Invention) The hot water pool using a boiler described in the above conventional technique has the following problems.

a. It is necessary to add hot water from time to time so that the water in it does not cool, and it is difficult to maintain a constant temperature.

b. Boiler installation work and piping work are required, so equipment costs, construction costs, and construction time are required.

c. Special space is required for boiler and piping.

d. Boilers and piping parts are heavy and bulky, making temporary storage and delivery difficult.

e. If the boiler is not used for a long time, the piping will rust and the hot water will not come out the next time it is used.

f. Like a bath before stirring, the bottom tends to be cold and the top tends to be hot.

(Means for Solving Problems) The present invention solves these disadvantages, that is, the planar heating element is embedded in the bottom plate and the peripheral wall of the pool body by separate wiring.

(Function) Water can be heated by supplying electric power to the planar heating element in a state where water is put in the pool.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.

In the figure, reference numeral 1 is a pool main body made of FRP (fiber reinforced plastic) in which a peripheral wall 5 composed of an inner peripheral wall 2, an outer peripheral wall 3 and a ceiling wall 4 is continuously provided on a peripheral edge of a bottom plate 6, and a reference numeral 15 is a bottom plate 6.
It is a reinforcing girder integrally formed with the. This pool body 1
It has a length of 350 cm, a width of 450 cm, and a depth of 50 cm, but it may be of any size depending on the number of users, and can be watertightly connected or separated by a flange joint (not shown) and the cover rail 7 of the joint portion. Possible multiple segments 8, 9,
It is composed of 10. And inside the surrounding wall 5, the surrounding wall 5
Insulation material 14 made of Styrofoam has been inserted along with. 11
Is a sheet heating element embedded in the respective parts of the inner peripheral wall 2 and the bottom plate 6 in the respective segments 8, 9 and 10 in the state of separate wiring, and embedded in the molding of the respective segments 8, 9 and 10. , This planar heating element 11 has a heating surface temperature of 30 ° C to 35 ° C.
Have the ability of. Each sheet heating element 11 has a plug 12 for connection to a power receiving outlet and a thermostat 13 at 30 ° C. individually. These planar heating elements 11 are embedded in the inner peripheral wall 2 and embedded in the bottom plate 6 so that they can receive power separately by operating a control switch board (not shown). Note that the sheet heating element 11 itself is a known one, and in this example, a paper-like heating element obtained by paper-making a carbon fiber functioning as a conductive filler together with a mixed sheet material, an electrode material and an insulating layer are the main elements. By the way, it has the following characteristics.

* High safety with no risk of communication failure or overheating due to disconnection or short circuit.

* The heat generation area (actual heat dissipation area) is large.

* The temperature distribution is uniform.

* The thickness of the heating element is about 0.1 mm, which is extremely thin and lightweight.

* The rate of temperature rise after energization is fast and the stability at the set temperature is excellent.

* High thermal efficiency, low power consumption, and excellent economical efficiency.

* Very good resin impregnation.

* Since the heating element and the insulating layer are integrated, there is almost no loss in heat transfer.

This invention may be implemented as follows.

-The pool body is constructed by integral molding that cannot be divided.

-The pool body is made of plastic other than FRP.

(Effect of the Invention) According to the plastic pool of the first aspect, the temperature of the hot water can be kept constant by appropriately interrupting the power supply to the planar heating element. In addition, it can be used by simply placing the pool body at the place where it will be used and then connecting the sheet heating element to the power source.Needless to install the boiler, of course, plumbing work is required. Shortcomings: the need for extra space, the need for temporary storage,
It is possible to eliminate all the drawbacks such as difficulty in delivery and rusting of piping, and since the planar heating element is embedded not only on the peripheral wall of the pool body but also on the bottom plate with separate wiring, if the planar heating element on the bottom plate is energized , The bottom is colder, the upper part is not too hot, the temperature distribution is uniform, and it is possible to supply power to the planar heating element at the desired position depending on the situation.
Power consumption can be saved.

According to the plastic pool of claim 2, since the planar heating element is embedded in the bottom plate and the peripheral wall of each segment by separate wiring, the minimum required position and the required number of planar heating elements can be provided depending on the situation. Only the power can be supplied, and the power consumption can be further saved.

[Brief description of drawings]

1 shows an embodiment of the present invention. FIG. 1 is a schematic perspective view of the whole, FIG. 2 is an exploded perspective view of a part thereof, and FIG. 3 is a partially enlarged sectional view taken along the line AA. 1 ... Pool main body, 5 ... Peripheral wall 6 ... Bottom plate, 8, 9, 10 ... Segment 11 ... Sheet heating element

Claims (2)

[Scope of utility model registration request] 1. A plastic pool, wherein the sheet heating element is embedded in the bottom plate and the peripheral wall of the pool body by separate wiring. 2. The plastic pool according to claim 1, wherein the pool body is composed of a plurality of segments, and the sheet heating element is embedded in the bottom plate and the peripheral wall of each segment by separate wiring.