CN201373553Y

CN201373553Y - Heater for cold-hot towel wetting and softening machine

Info

Publication number: CN201373553Y
Application number: CN200920115112U
Authority: CN
Inventors: 贺静伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-10
Filing date: 2009-03-10
Publication date: 2009-12-30
Anticipated expiration: 2019-03-10

Abstract

The utility model relates to a heater for a cold-hot towel wetting and softening machine, which comprises a casing provided with a water storage space, a water inlet and a water outlet, and an electric heating device; and the heater is characterized in that the electric heating device comprises stainless steel sleeve pipes and heating elements, wherein the stainless steel sleeve pipes are interpenetrated on the outer side wall of the casing and closely matched, the heating elements are arranged in the stainless steel sleeve pipes, a connecting terminal is respectively arranged at both ends of the heating element, one connecting terminal is connected with a high temperature wire through a temperature fuse and the other connecting terminal is directly connected with the high temperature wire. The limiting temperature in the water storage space of the heating pipe is controlled by the temperature fuse, when the circuit is out of service or other problems (for example, the water in the heater is not full) occur, the temperature rises all the time, and when the temperature reaches the fusing temperature of the temperature fuse, the temperature fuse is automatically disconnected so as to protect the heater, therefore, the purpose of safely protecting the heater is achieved and meanwhile, the service life of the heating pipe is prolonged.

Description

Cold and hot wet flexible napkin machine heater

Technical field

The utility model belongs to a kind of heater, relates in particular to a kind of cold and hot wet flexible napkin machine heater.

Background technology

Cold and hot wet flexible napkin machine is widely used in places such as hotel, dining room at present, improves disposable fresh wet towel as far as possible.And heater is vitals in the cold and hot wet flexible napkin machine, it generally comprises the shell that is used for having in it water space, shell is provided with water inlet and delivery port, general water inlet links to each other with a water pump, delivery port then links to each other with shower, and also be equipped with electrothermal tube in the enclosure to the water storage in shell heating, electrothermal tube generates heat by the external power supply power supply, water in the shell is heated, during work, water pump pumps into the cold water in the water storage case water space in the shell under control circuit control, electrothermal tube work sprays the heating of the water in the shell on the paper handkerchief by shower then.

As a patent No. is the flexible napkin machine of Chinese utility model patent " flexible napkin machine " disclosure of ZL200420036529.0 (notification number is CN2734108Y), discloses the flexible napkin machine heater of aforementioned conventional.

Yet it is existing about all not disclosing the concrete structure of heater in flexible napkin machine and the facial tissues machine in detail; and all do not mentioned overload protection function in the existing heater; be heater in the course of the work; when circuit breaks down or other problems (in as heater water discontented etc. situation) causes heter temperature to rise always; therefore may cause heater to be burnt, even may cause the security incident of electric leakage.There is existing heater all to have the defective that heat insulation effect is poor, the heating tube efficiency of heating surface is low again.

In sum, existing cold and hot wet flexible napkin machine also can be further improved with heater.

Summary of the invention

Technical problem to be solved in the utility model is a kind of novel structure to be provided and to use safer cold and hot wet flexible napkin machine heater at above-mentioned prior art present situation, and this heater also has the advantage of long service life.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of cold and hot wet flexible napkin machine heater, comprise the shell that has water space in it, shell is provided with water inlet and delivery port, and on shell, also be equipped with electric heater unit to the water storage in shell heating, it is characterized in that: described electric heater unit comprises the stainless steel sleeve pipe, heat generating component, wherein, the stainless steel sleeve pipe interts and is sealed and matched at side wall of outer shell and with side wall of outer shell, heat generating component is located in the described stainless steel sleeve pipe, the two ends of heat generating component respectively are provided with a binding post, one of them binding post links to each other with high temperature wire by Thermal Cutoffs, and another binding post then directly links to each other with another high temperature wire.

Above-mentioned heat generating component is made up of the glass fibre that a heating wire and a bending are the U shape, and described heating wire is wrapped on this glass fibre.This heat generating component has better heating effect, and heating evenly.

Also be provided with a thermistor in the above-mentioned stainless steel sleeve pipe, this thermistor links to each other with the single-chip microcomputer in the external world by high temperature wire.By monolithic processor controlled thermistor, the energising that its change in resistance by thermistor is carried out control heater can be controlled the heat tracing of water.

Above-mentioned shell is made up of housing and the end cap made with pottery, wherein, described housing has cavity, described end cap and shell removably are fixed together, this end cap with the closure of openings of the cavity of housing to form water space, and be provided with the silica gel pad sealing between end cap and shell, described stainless steel sleeve pipe interts on described end cap by the silica gel circle.This shell mechanism is convenient to assemble heat generating component, and adopts ceramic material to make, and makes shell integral body have good heat insulation effect, and the number of times that makes the temperature of the maintenance the inside water that heater can be more permanent reduce heating increases the service life and saves the power consumption of heater

Have the preceding connecting portion that is tilted on the above-mentioned end cap, described delivery port is arranged on this preceding connecting portion, and described housing rear end face is provided with the back connecting portion of horizontal evagination, and described water inlet is arranged on this back connecting portion.Be more convenient for connecting water pipe on the connecting portion before delivery port is arranged on, water inlet is arranged on the connecting portion of back and is more convenient for linking to each other with water pump.

Compared with prior art; advantage of the present utility model is: heat generating component is arranged in the stainless steel sleeve pipe; stainless steel sleeve pipe water direct and that water space is interior is rescued; improve the sanitation and hygiene of water; main is that the interior limiting temperature of water space is controlled by Thermal Cutoffs; when circuit breaks down or during other problems (in as heater water discontented etc. situation); temperature rises always; when the fusing-off temperature that reaches the Thermal Cutoffs temperature; Thermal Cutoffs automatic disconnection protection heater; thereby reach the purpose of safeguard protection heater, can not cause the generation of dangerous accident or fault, prolonged the service life of heating tube simultaneously because of fuser malfunction.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the structure cutaway view of the utility model embodiment;

Fig. 3 is the left side view of Fig. 2;

Fig. 4 is the right side view of Fig. 2.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Shown in Fig. 1～4, be a preferred embodiment of the present utility model.

A kind of cold and hot wet flexible napkin machine heater, comprise the shell 2 that has water space 1 in it, shell 2 is made up of housing 21 and the end cap 22 made with pottery, wherein, housing 21 has cavity, end cap 22 removably is fixed together by bolt 9 and nut 11 with shell 21, this end cap 22 with the closure of openings of the cavity of housing 21 to form water space 1, and between end cap 22 and shell 21, be provided with silica gel pad 9 sealings, described stainless steel sleeve pipe 3 interts on described end cap 22 by silica gel circle 12, guarantee between stainless steel sleeve pipe 3 and the end cap 22 water-tight, has the preceding connecting portion 222 that is tilted on the end cap 22, should be provided with the delivery port 221 that communicates with water space 1 by preceding connecting portion 222, housing 21 rear end faces are provided with the back connecting portion 212 of horizontal evagination, and this back connecting portion 212 is provided with the water inlet 211 that communicates with water space 1.

Also be equipped with the electric heater unit to the heating of the water storage in the shell 2 on shell 2, electric heater unit comprises stainless steel sleeve pipe 3, heat generating component 4.Wherein, stainless steel sleeve pipe 3 intert on the end cap 22 and and end cap 22 between form and be sealed and matched, heat generating component 4 is located in the described stainless steel sleeve pipe 3, an end of stainless steel sleeve pipe 3 stretches in the water space 1.Heat generating component is made up of the glass fibre 42 that a heating wire 41 and a bending are the U shape, heating wire 41 is wrapped on this glass fibre 42, the two ends of glass fibre 42 respectively are provided with a binding post 5, one of them binding post 5 links to each other with high temperature wire 10 by Thermal Cutoffs 6, and 5 of another binding posts directly link to each other with another high temperature wire 10.

Also be provided with a thermistor 7 in the stainless steel sleeve pipe 3, this thermistor 7 links to each other with the single-chip microcomputer in the external world by the 3rd high temperature wire 10.Wherein the control program of single-chip microcomputer can design as required, is conventional design, and does not also show single-chip microcomputer in drawing.

Heating tube is basic identical in operation principle of this heating tube and process and the existing cold and hot wet flexible napkin machine, just no longer launches to elaborate at this.

Claims

1, a kind of cold and hot wet flexible napkin machine heater, comprise the shell (2) that has water space (1) in it, shell (2) is provided with water inlet (211) and delivery port (221), and on shell (2), also be equipped with electric heater unit to the water storage in the shell (2) heating, it is characterized in that: described electric heater unit comprises stainless steel sleeve pipe (3), heat generating component (4), wherein, stainless steel sleeve pipe (3) interts and is sealed and matched at shell (2) sidewall and with shell (2) sidewall, heat generating component (4) is located in the described stainless steel sleeve pipe (3), the two ends of heat generating component (4) respectively are provided with a binding post (5), one of them binding post (5) links to each other with high temperature wire (10) by Thermal Cutoffs (6), and another binding post (5) then directly links to each other with another high temperature wire (10).

2, cold and hot wet flexible napkin machine heater according to claim 1, it is characterized in that: described heat generating component (4) is made up of the glass fibre (42) that a heating wire (41) and a bending are the U shape, and described heating wire (41) is wrapped on this glass fibre (42).

3, cold and hot wet flexible napkin machine heater according to claim 1 is characterized in that: also be provided with a thermistor (7) in the described stainless steel sleeve pipe (3), this thermistor (7) links to each other with the single-chip microcomputer in the external world by high temperature wire (10).

4, according to claim 1,2 or 3 described cold and hot wet flexible napkin machine heaters, it is characterized in that: described shell (2) is made up of housing (21) and the end cap (22) made with pottery, wherein, described housing (21) has cavity, described end cap (22) removably is fixed together with shell (21), this end cap (22) with the closure of openings of the cavity of housing (21) to form water space (1), and be provided with silica gel pad (8) sealing between end cap (22) and shell (21), described stainless steel sleeve pipe (3) interts on described end cap (22) by silica gel circle (12).

5, cold and hot wet flexible napkin machine heater according to claim 4, it is characterized in that: have the preceding connecting portion (222) that is tilted on the described end cap (22), described delivery port (221) is arranged on this preceding connecting portion (222), described housing (2) rear end face is provided with the back connecting portion (212) of horizontal evagination, and described water inlet (211) is arranged on this back connecting portion (212).