CN2218333Y - Heater of automatic constant temperature bath - Google Patents

Abstract

The utility model relates to an automatic constant-temperature compensating heater matched with a bathtub. An electric fan blows the air through a porous posistor heating body arranged in an air heating barn, and the acquired hot air is conveyed to a hot air circulation barn matched outside the cylinder body of the bathtub. The hot air returns to the air heating barn through an air intake barn and an air returning barn under the guide of an air guiding baffle and is heated repeatedly and cyclically, and the bath hot water is automatically compensated and heated with constant temperature. A heat insulation insulating layer is arranged outside an air passage. The utility model can be matched with a special water heater and an indoor air heater, and therefore, the bath can be conducted comfortably, conveniently and safely in all weather without the limitation of climatic conditions.

Description

Bathtub automatic constant-temperature compensating heating device

The utility model belongs to bathtub and constant temperature heating device technical field.

Existing common bathtub does not generally have constant temperature and heater, and when environment temperature was low, often because of the water for bathing cooling can't be used for having a bath too soon, with early autumn end in spring, common bathtub had just lost use value especially in the winter time.Chinese patent 93206911.8 is announced a kind of adopt fuel to bathtub at the bottom of direct-fired family expenses bathing pool, use inconveniently, wayward water for bathing temperature and easily cause scald, and adopt directly burning to heat has naked light, and flue gas is arranged, and easily causes security incident.

The purpose of this utility model provides a kind of device that utilizes hot air circulate to the compensation heating of bathtub automatic constant-temperature, with the solution difficult problem of having a bath.With it and ad hoc water heater and the supporting use of chamber air heater, can make has a bath is not subjected to the weather condition restriction, round-the-clock, safety, convenience, cosily carries out.

This bathtub automatic constant-temperature compensating heating device is characterized in that supporting hot air circulate storehouse outside the bathtub cylinder body, as the mobile interlayer of air circulation that bathtub is carried out constant temperature compensation heating; Be located at the beneath wind-guiding dividing plate of bathtub cylinder body and hot air circulate storehouse part be divided into supplying air bin and the return air storehouse that interconnects; With the driven by motor fan blows air over is located at porous semistor calandria in the air heat storehouse, the hot-air that obtains is entered the supplying air bin and the return air storehouse in hot air circulate storehouse through air intake passage by air outlet, behind the compensation Heating bath, through return air channel, return the air heat storehouse again by return air inlet; Above-mentioned by air heat storehouse, air intake passage, hot air circulate storehouse and return air channel, cooperate with the bathtub cylinder body and constitute the air circulation duct of sealing, its outside is provided with thermal insulating warm-keeping layer; The fan electromotor power supply lead wire is connected with external power supply by the gauge tap that is located on the control panel respectively with the resistance heating body power supply lead wire.

According to the environment temperature of Various Seasonal, can control the power grade of compensation heating, thereby regulate required water for bathing thermostat temperature by rated power or the group number of assembling calandria unit and the rotating speed of regulating electric fan of selecting the calandria unit.

Because it is heat transfer medium that the utility model adopts air, repeat heating and use being enclosed in air circulation within the air circulation duct of external application thermal insulating warm-keeping layer, thermal losses is little, energy savings; Avoided naked light in the generation of heat and the transmittance process, do not had combustion process, do not produced flue gas, bathtub and water body directly do not contact with electric heater, and that has guaranteed to have a bath is safe and reliable, overheated scald can not take place, flue gas suffocates and security incident such as electric leakage; Because the semistor calandria that adopts porous is as thermal source, thermal conversion efficiency height, and can limit temperature, temperature control, constant temperature automatically, use easy to operate, have a bath comfortable.The utility model is not subjected to the weather condition restriction for people, and having a bath to round-the-clock safety and comfort provides convenience, has opened up a new road for solving the ubiquitous difficult problem of having a bath.

Accompanying drawing 1 is the plan structure schematic diagram of the supporting automatic constant-temperature compensating heating device of the utility model and bathtub.

Accompanying drawing 2 is a kind of ceramic honeycomb type thermistor heating unit schematic diagrames.

Accompanying drawing 3 is a kind of resistance heating body organigrams with the frame fixation assembling.

Accompanying drawing 4 is a kind of automatic constant-temperature bathtub embodiment structural representations that have water heater of the present utility model.

Accompanying drawing 5 is that an a kind of automatic constant-temperature bathtub left side of being furnished with water heater and chamber air heater is looked partial cutaway and shown structural representation.

Accompanying drawing 6 is its installation site partial cutaway diagrammatic sketch.

Below in conjunction with description of drawings embodiment of the present utility model.

The structure of the automatic constant-temperature compensating heating device of this supporting bathtub is referring to Fig. 1, it mainly by supporting be hot air circulate storehouse 14 outside bathtub body and with the air blanketing that heat-insulating material is made heat insulation wall, with air heat storehouse 2, and with the two air intake passage that links together 15 with wind passage 9 formations, be located at the beneath wind-guiding dividing plate 12 of bathtub cylinder body and hot air circulate storehouse 14 parts be divided into supplying air bin 10 and the return air storehouse 11 that interconnects, 1 air port 1 that goes out in air heat storehouse 2 is connected with supplying air bin 10 by air intake passage 15, and return air storehouse 11 is connected with air heat storehouse 2 through return air inlet 5 by return air channel 9; The fan 8 that drives with motor 6 is located at the rear end in the air heat storehouse 2, the upper forepart of return air inlet 5; Side before the middle part in air heat storehouse, fan 8, be fixed with ceramic honeycomb type positive temperature coefficient (PTC) thermistor calandria 3, it is clamped as shown in Figure 2 honeycomb type ceramic unit sheet with as shown in Figure 3 PPS engineering plastics framework 19 and tightens up with screw 20 and form, leave in the air heat storehouse the fixedly little protrusion 21 that has screw of usefulness and the power supply wiring sheet 22 of calandria on the framework 19, in the time of fixedly with the direction in its hole 18 over against fan 8 for well.Employing is of a size of 19mm * 19mm * 5.5mm in the present embodiment, rated power is that 68W, Curie temperature are 180 ℃ ceramic honeycomb type PTC thermistor heating plate, every 68 hole, but every frame is nine unit sheets of setting-in at most, and maximum rated power shelves capable of being combined are 612W.Hot air storehouse 2 can be with angle bar as support frame, and the wire netting that is connected all around applies with insulation material (for example asbestos) as bulkhead, the heating cabinet middle part be provided with fixing porous resistance heating body 3 usefulness, and framework 19 on little protrusion 21 corresponding fixed bodies 4.Whole air heat storehouse 2 profiles are box-like, can insert or extract out to be disposed to give as drawer and stay in the hot air circulate heating cabinet 14 1 ends hole 17 with matching, and with bolting, easy access and replacement or increase and decrease porous resistance heated body unit sheet so as required.For making motor 6 be easy to heat radiation, generally the motor body portion is installed in outside the air heat storehouse 2.The power supply lead wire of the power supply lead wire of motor 6 and resistance heating body 3 is connected with external power supply by the gauge tap that is located on the control panel 7 respectively.The top edge in hot air circulate storehouse 14 is provided with bathtub and cooperates combining along 13 of linking, but the line with rubber pad is fixing with the bathtub arrangement with bolt, makes exterior tub wall and hot air circulate bulkhead form the air blanketing of sealing.All there is the heat-insulation layer made from heat-insulating material 16 the air circulation duct outside of being made up of air heat storehouse 2, air intake passage 15, supplying air bin 10, return air storehouse 11, return air channel 9.Connect the power supply of resistance heating body 3 and fan electromotor 6, fan 8 in the air heat storehouse 2 is with blows air over porous semistor calandria 3, become hot-air, enter the supplying air bin 10 in hot air circulate storehouse 14 through air intake passage 15 by air outlet 1, under the obstruct guiding of wind-guiding dividing plate 12, enter return air storehouse 11, in this process, hot-air heats the water body in the bathtub by the bathtub casing wall; The air that temperature reduces after the heat exchange, is heated in return air inlet 5 is got back to heating cabinet 2 again by return air channel 9.Air in the air heat storehouse 2 after the heating moves in circles along arrow A → B → C → A direction, constantly carries out heat exchange and is compensated heating.When the temperature of semistor calandria 3 raise, the resistance of material own increased, and electric current reduces automatically; And when temperature during near the Curie temperature of material, it is infinitely great that resistance is tending towards, and electric current levels off to zero; When temperature reduces, resistance decreasing, electric current increases again.So, in the heat exchanging process of dynamic equilibrium, realize the constant temperature compensation heating of limit temperature automatically.According to environment temperature and comfortable needs of having a bath, can pass through to select the thermistor heating unit of suitable watt level or the rotating speed that the interior unit of increase and decrease calandria is assembled number and passed through the regulation and control electric fan, the switch class of a plurality of different temperatures, power is set, and control and regulation bath water constant temperature is in suitable temperature.

For making the place that does not possess round-the-clock hot water supply condition, also can have a bath at any time easily, disposed water heater 23 in a kind of specific embodiment of the present utility model.As shown in Fig. 4, Fig. 5 and Fig. 6, this ad hoc water heater, the many groups of ceramic PTC thermistor heating plates that its calandria 3 can adopt that Curie temperature is higher, power is bigger are formed, and adopt the mode of inserting to be uniformly distributed in the space of circling round heating and dividing overflow pipe 24 and cold water inlet 25 and hot water outlet pipe 26 to be constituted of internal diameter 6mm, total length 1.8m and form.Cold water enters water heater from arrow N, is circling round heating and dividing in the overflow pipe 24 after the heating, according to the arrow W direction switch 27 of flowing through, emits to shower nozzle 28; Regulate current size, adjustable shower water temperature by switch 27.The power of water heater 23 can select the ceramic heating flake of suitable watt level and appropriate combination number thereof to satisfy as required.For example, can adopt Curie temperature is 300 ℃ ceramic unit sheet, and being combined into general power is the PTC thermistor calandria of 1200W.When closing the calandria power supply, then can obtain the normal temperature current.

For making the utility model Constant temperature bathtub have more perfection, also configurable chamber air heater 30 in the specific embodiment.The ad hoc chamber air heater of present embodiment also can adopt honeycomb type pottery PTC thermistor calandria 3 as heating element heater, drive fan 8 with motor 6, room air is sucked through the direction of return air inlet 5 from arrow D, blow over porous PTC thermistor calandria 3, become hot-air, blow in the bathroom through the direction of air outlet 1 again by arrow E.Disposed chamber air heater, can improve the environment temperature in the bathroom, make have a bath more comfortable.Among the present embodiment figure, water heater 23 is positioned at the top in air heat storehouse 2, and control panel 7 and chamber air heater 30 are installed on the body of wall 29, and 31 is the bathtub cylinder body.

The various different capacities that the utility model is selected and the ceramic thermal resistance calandria of Curie temperature can be ordered from Anji, Fuzhou City, Fujian Province liaison office of Co., Ltd.

Above embodiment shows, the utility model bathtub automatic constant-temperature compensating heating device and ad hoc water heater and chamber air heater is supporting is integral, and can separate preferably never is bullied waits the round-the-clock problem of having a bath of condition restriction.

Claims (2)

1. bathtub automatic constant-temperature compensating heating device, it is characterized in that the outer supporting hot air circulate storehouse that is connected with the air heat storehouse that has of bathtub cylinder body, the wind-guiding dividing plate that is provided with under the bathtub cylinder body is divided into hot air circulate storehouse part in supplying air bin and the return air storehouse that interconnects; With fan driven by motor blows air over is located at porous semistor calandria in the air heat storehouse, the hot-air that obtains is entered the supplying air bin and the return air storehouse in hot air circulate storehouse through air intake passage by air outlet, through return air channel, return the air heat storehouse again by return air inlet; The outside of above-mentioned air circulation duct is provided with thermal insulating warm-keeping layer; Motor power lead-in wire and resistance heating body power supply lead wire are connected on the external power supply through the gauge tap on the control panel.

2. automatic constant-temperature compensating heating device as claimed in claim 1 is characterised in that described air heat storehouse makes box-like unit, adopts drawer type to be positioned over hot air circulate storehouse one end movably and gives in the hole with matching that stays.

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