CN202247404U - Heating device of washing machine - Google Patents
Heating device of washing machine Download PDFInfo
- Publication number
- CN202247404U CN202247404U CN2011203491613U CN201120349161U CN202247404U CN 202247404 U CN202247404 U CN 202247404U CN 2011203491613 U CN2011203491613 U CN 2011203491613U CN 201120349161 U CN201120349161 U CN 201120349161U CN 202247404 U CN202247404 U CN 202247404U
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- heater
- heating cabinet
- air
- washing machine
- inlet pipe
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- Expired - Lifetime
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Abstract
The utility model relates to the field of washing machines and provides a heating device (6) of a washing machine. The washing machine comprises a container, an air inlet pipe (10) and the heating device (6), wherein the container provided with a plurality of holes different in bore diameter forms a main cleaning cavity (5) of the washing machine, the air inlet pipe (10) is connected to the main cleaning cavity (5) so as to guide the air into the main cleaning cavity (5), and the heating device is connected to the air inlet pipe (10) in a fluid communication manner and comprises an air blower(6.1), a heating box (6.3) and a PTC (positive temperature coefficient) ceramic heater (6.7). The heating box is in fluid communication with the air blower (6.1), and the PTC ceramic heater (6.7) is arranged in the heating box (6.3). Air is guided into the heating box (6.3) through the air blower (6.1), flows through the PTC ceramic heater (6.7), flows out of the heating box (6.3) and enters the air inlet pipe (10), and the PTC ceramic heater (6.7) is made of PTC ceramic. The heating device of the washing machine has effects of saving energy and time.
Description
Technical field
The utility model relates to a kind of heater of washing machine, relates in particular to the heater that uses in the functions/drying in the special-purpose washing machine of medical industry.
Background technology
Heater block one of which in the heat drying device of the industry washer of prior art, clean garment washing machine, health isolated washing machine is the thermal energy converter of stainless steel fin steam pipe coil, and it two is a stainless steel fin electric heating tube.
One of which is owing to use steam in the inner heating of coil pipe, and vapor (steam) temperature is low, and the thermal power transfer temperature is low, and for obtaining great amount of heat energy, the steam pipe coil volume is big.Therefore, drying effect is poor, and the time is long, and the clothing wearing and tearing are big.
Particularly, the first is from heating through finned steam pipe coil, and when air blast was sent into air, the heat on fin and the coil pipe was switched in the air.Because the Steam Heating temperature is lower, therefore, heated air themperature is lower, if the coil pipe limited amount then can't be able to the requirement of drying clothes, therefore, must have the coil pipe of sufficient amount to satisfy the energy of air heat exchange.Cause the bigger shortcoming of heater volume thus.Simultaneously, intensification causes the phenomenon that adds thermo-lag that prolonged drying time greatly slowly.In addition, again because the coil pipe accumulation of energy is big, make the chilling temperature that needs equally at cooling stage be in hysteretic state and prolong cool time greatly.
Its two since be utilize the inner resistance wire heating of electrothermal tube and through the inner quartz sand of heating or other dielectric to external diffusion, heat is big, temperature is high, but temperature lags behind heat time heating time.Therefore, 1) must limit temperature through the temperature temperature-limiting device, 2) time lag, and preheating time is long, and still has a large amount of waste heats to discharge after closing, and cooling is slow.Cause energy consumption big, drying time is long, or the dry shortcoming of all growing with cooling.The cycle of entire process clothes is also long, and the clothing wearing and tearing are big.
Particularly, it two is from heating through finned electric heating tube, and when air blast was sent into air, the heat on the fin heating tube was switched in the air.Because under temperature control state not, electrical heating will infinitely heat up up and surpass the heat radiation limit and burn until temperature, so it must air flows and temperature regulating device carry out temperature control through increasing.Therefore, use finned electric heating tube poor stability and high to requirement on devices.Simultaneously, finned heater accumulation of energy is big, intensification causes the phenomenon that adds thermo-lag that prolonged drying time greatly slowly.In addition, again because accumulation of energy is big, can makes equally at cooling stage and cause the temperature that needs to cool off to be in hysteretic state and to have prolonged cool time greatly.
More than the shortcoming of two kinds of heaters obvious, possess heater element or the mode that overcomes above not enough characteristic in order to overcome above shortcomings and deficiencies, must to select for use.
Summary of the invention
The purpose of the utility model is the above-mentioned defective that solves the heater of washing machine of the prior art.For this reason, a kind of heater of washing machine is provided, said washing machine comprises:
One has the container of some large and small not equal apertures, and it is formed washing machine and cleans the main body cavity;
Be connected in the gas inlet pipe of cavity, so that gas is directed in the cavity;
Wherein, said heater fluid is connected in said gas inlet pipe with being communicated with and comprises:
Air blast;
The heating cabinet that is communicated with said air blast fluid;
(PTC is the abbreviation of Positive Temperature Coefficient, and the meaning is a positive temperature coefficient, and the PTC that mentions usually is meant semistor to be positioned at the PTC ceramic heater of heating cabinet; Be called for short the PTC thermistor, adopt ceramic material in this article, be called the PTC pottery); Gas is in air blast imports heating cabinet; And flow through the PTC ceramic heater, and getting into the gas inlet pipe thereby flow out said heating cabinet, said PTC ceramic heater adopts the PTC ceramic material.
In aforesaid heater, also comprise being installed in the air cleaner of ceramic heater downstream at the gas inlet pipe upper reaches, made before PTC ceramic heater effluent air is in getting into cavity and flow through said air cleaner.
In aforesaid heater, said air cleaner is installed in the inner lower end of heating cabinet.
In aforesaid heater, also be included in the heater installing port of heating cabinet case body one side, said PTC ceramic heater is installed in the said heating cabinet through said heater installing port.
In aforesaid heater; Also comprise the heating cabinet that stretches out from said heating cabinet upside heating cabinet end opening suitable for reading and that stretch out from said heating cabinet downside; Said air blast be installed in heating cabinet suitable for reading on, said heating cabinet end opening fluid is connected in said gas inlet pipe with being communicated with.
In aforesaid heater, also comprise the intake valve that is installed between said heating cabinet end opening and the said gas inlet pipe.
In aforesaid heater, said washing machine also comprises the air bleeding valve that is installed on the pipeline of aperture, cavity top, and said air bleeding valve connects an exhaust stack and becomes gas extraction system.
In aforesaid heater, said container is horizontal cylindrical chamber.
In aforesaid heater, said heating cabinet heating cabinet end opening suitable for reading and said is a tubular form.
In aforesaid heater, said gas inlet pipe is installed on the center of cavity end face, and the gas that will be heated the device heating is thus introduced in the said cavity.
For this reason, the utility model refers in particular to the electric heater unit that uses in the functions/drying and adopts novel PTC ceramic heater.The one of which volume is little.Its two energisings back characteristic is that rapid-action, the automatic limit temperature of heat, waste heat are few, and cooling is fast.Make clothing when drying, be heated rapidly, when cooling, lower the temperature very soon, shorten the time dry, cooling stage.Its result will make the cloth drying, the cooling that are processed fast, and fibre damage is little, cleannes are high.
The hot air drying system construction and device that the utility model especially improves and invents to the supply air system on the medical special cleaning machine.Therefore, the relevant portion that only will be referred to is described, and the part that does not relate to is not then described and omitted.
The characteristics of this utility model are: in washing machine, used the PTC ceramic heater, its volume is little, and economize on electricity, energy-conservation has automatic temperature-limiting character, and security performance is high.
This utility model that is used for medical special-purpose washing machine is compared with existing isolated clean garment industry washer, has following advantage: when the time of dry and cooling procedure shortens greatly, also reduced power consumption, and improved the security of heater.
1, improve greatly than original washing machine heat utilization efficiency, shortened drying time, cold wind exchange simultaneously accelerates equally, has shortened cool time, has shortened running time, practices thrift mass energy, practices thrift operating cost.
2, reduce the run duration of clothing in the cleaning machine rotary drum, avoid long-time friction, the clothes fiber damage is littler, cleaner after cleaning, and particulate still less more meets medical and health and requires and GMP compatible.
3, reduce piece volumes, increase and safeguard the space, the maintenance operation of being more convenient for.
4, security improves the fault of many insecurity that can not cause because temperature regulating device is malfunctioning.
Description of drawings
Fig. 1 is the mounting structure sketch map of washing machine that the heater of the utility model is installed,
Fig. 2 is the heater component parts sketch map of the utility model.
The specific embodiment
Basic structure
As shown in Figure 1, the heating system structure division of washing machine is constructed as follows: in the frame 2 of a frame structure, be equipped with one have some large and small not equal apertures horizontal cylindrical chamber, it is formed washing machine and cleans main body cavity 5; One is installed on the air bleeding valve 4 on the pipeline of aperture, cavity 5 top and connects a blast pipe 3, forms gas extraction system; Be installed in the door 11 into and out of clothing on the big opening in middle part, cavity 5 stack shell sides; One is installed on hot blast (also can the be cold wind) inlet pipe 10 at cavity 5 end face centers; The hot blast that is installed in hot blast inlet pipe 10 tops advances valve 9; Be connected hot blast and advance the heating component 6 on valve 9 tops; The frame 2 peripheral shells 1 of installing in frame structure; One be used to control the entire equipment operation computer controller 7 be installed on device housings 1 and (on the stack shell that cleans cavity 5, water inlet, feed channel and the valve that size diameter does not wait be housed also; Other washing machine parts such as fixed mount, shock absorber, sensor also are installed in the frame of frame structure; All because of little, so slightly) with the utility model relation.
As shown in Figure 2, being constructed as follows of heating component 6: an air blast 6.1 is installed on the heating cabinet suitable for reading 6.2 on the heating cabinet 6.3; Open a heater installing port 6.4 in 6.3 casees bodies of heating cabinet, one side; One PTC ceramic heater 6.7 is installed in the heater installing port 6.4; One air high efficiency particulate air filter 6.5 is installed in the heating cabinet 6.3 and holds on the lower side; Stretch out a pipe in heating cabinet 6.3 lower ends and form heating cabinet end opening 6.6, be used to connect pipeline valve.
Operation principle
As shown in Figure 1, when equipment needed process clothes, operating personnel turned on the power switch 8; Operating computer controller 7 is opened door of washing machine 11, and the clothing that need are handled is put into washing machine cavity 5; Close door of washing machine 11, operating computer controller 7, washing machine brings into operation according to instruction.When equipment ran to the needs drying, computer controller 7 sent instruction, and hot blast advances valve 9 at first to be opened, and opens air bleeding valve 3 then, and at this moment, hot blast assembly 6 also begins heat air delivery.
(see figure 2) during air-supply receives computer controller 7 controls, and air blast 6.1 is at first opened; PTC ceramic heater 6.7 power connections then, PTC ceramic heater 6.7 heats up rapidly during beginning, when temperature be elevated near after the required technical parameter value (through selecting the PTC pottery of suitable model; Temperature value has a technique for fixing parameter), PTC ceramic heater 6.7 inner resistance begin to increase automatically, and electric current begins to reduce; Heating rate begins slack-off, and after temperature was elevated to required technical parameter value, PTC ceramic heater 6.7 inner resistance became infinity automatically; Electric current approximates zero; Intensification stops, when temperature owing to stopping heating when descending, the resistance of PTC ceramic heater 6.7 inside diminish automatically; Heating automatically recovers, and forms the phenomenon of automatic constant-temperature and has possessed and do not need ectogenic temperature regulating device to reach the function of automatic constant-temperature.The air that blasts when air blast 6.1 obtains heat energy and heats up rapidly when the PTC ceramic heater 6.7 through heated constant temperature; The hot-air that hot-air after the intensification is purified after through air high efficiency particulate air filter 6.5 is being discharged clean hot blast through heating cabinet end opening 6.6 backs in heating cabinet.
After clean hot blast gets into cavity 5 through hot blast inlet pipe 10; Clothing in the cavity receives the heat energy of clean hot blast; Moisture on the clothing rapidly and hot-air carry out exchange heat, and make the moisture rapid evaporation, simultaneously; The moisture that is evaporated out forms damp and hot air and discharges to external diffusion rapidly through blast pipe 3, makes it the purpose that the interior clothing of cavity reaches rapid drying.
Because the rapid temperature-raising characteristic of PTC pottery make heated air to heat up rapidly, so dry run does not almost have hysteresis effect and make the needed time of dry run compare less a lot with other heater.Simultaneously, because the temperature control characteristic of its independence, (well-known, many parts are with regard to many trouble points need not to increase the passive limit temperature of temperature regulating device in addition.In addition, the fault owing to temperature regulating device causes that the indeterminate fault that electrical heating does not limit temperature to cause increases its uncontrollable danger greatly).Therefore, another characteristic of PTC pottery is: fault rate is reduced the security of operation is increased greatly.
When equipment ran to the needs cooling, computer controller 7 sent instruction, and hot blast advances valve 9 at first to be opened, and opens air bleeding valve 3 then, at this moment, and hot blast assembly 6 beginning transporting cold wind (near the pure air of normal temperature).
(see figure 2) when sending cold wind; Receive computer controller 7 controls, air blast 6.1 is at first opened, and closes PTC ceramic heater 6.7 power supplys then; Make PTC ceramic heater 6.7 power supplys be in closed condition; Because PTC ceramic heater 6.7 volumes are little, specific area is big, so waste heat is accumulated less, rapid heat dissipation, the normal temperature air that the waste heat on it then blasts through air blast 6.1 is cooled off rapidly lowers the temperature; The cold air that normal temperature air after the cooling is purified after through air high efficiency particulate air filter 6.5 is being discharged clean cold wind through heating cabinet end opening 6.6 backs in heating cabinet.Because the PTC pottery possesses rapid cooling characteristic, make cooling also almost not have hysteresis effect and make needed time of cooling procedure and other heater reduced in comparison a lot.
Because two process required times of above-described drying and cooling all lack than existing alternate manner; Therefore the process time of process clothes just shortens greatly; And the time that shortens greatly will reduce the fibre damage that is processed clothing; Because in the process of dry and cooling, exist when rolling friction all the time to clothes fiber.
Specification:
The utility model is to carry out improved a kind of novel efficient, energy-conservation heater structure to the heater shortcoming and defect part that exists on present industry washer, clean garment washing machine, the health isolated washing machine.
The utility model is applied to the PTC ceramic heater in the heater, forms novel heater inefficient dry, the type of cooling of existing washing machine are improved not only dry, good cooling results; And the time shortens greatly, and power use simultaneously is little, and energy consumption is low; Save time; Practice thrift investment, practice thrift operating cost, also improved the security in the running greatly.
Claims (10)
1. the heater of a washing machine (6), said washing machine comprises:
One has the container of some large and small not equal apertures, and it is formed washing machine and cleans main body cavity (5);
Be connected in the gas inlet pipe (10) of cavity (5), gas is directed in the cavity (5);
Wherein, said heater (6) fluid is connected in said gas inlet pipe (10) with being communicated with and comprises:
Air blast (6.1),
The heating cabinet (6.3) that is communicated with said air blast (6.1) fluid;
Be positioned at the PTC ceramic heater (6.7) of heating cabinet (6.3); Gas is in air blast (6.1) imports heating cabinet (6.3); And flow through PTC ceramic heater (6.7), and getting into gas inlet pipe (10) thereby flow out said heating cabinet (6.3), said PTC ceramic heater (6.7) adopts the PTC ceramic material.
2. heater as claimed in claim 1; It is characterized in that; Also comprise being installed in the air cleaner (6.5) of ceramic heater (6.7) downstream, made before PTC ceramic heater (6.7) effluent air is in getting into cavity (5) and flow through said air cleaner (6.5) at gas inlet pipe (10) upper reaches.
3. heater as claimed in claim 2 is characterized in that, said air cleaner (6.5) is installed in the inner lower end of heating cabinet (6.3).
4. heater as claimed in claim 3 is characterized in that, also comprises:
At the heater installing port (6.4) of heating cabinet (6.3) case body one side, said PTC ceramic heater (6.7) is installed in the said heating cabinet (6.3) through said heater installing port (6.4).
5. heater as claimed in claim 4 is characterized in that, also comprises:
Heating cabinet (6.2) suitable for reading that stretches out from said heating cabinet (6.3) upside and the heating cabinet end opening (6.6) that stretches out from said heating cabinet (6.3) downside; Said air blast (6.1) is installed on the heating cabinet (6.2) suitable for reading, and said heating cabinet end opening (6.6) fluid is connected in said gas inlet pipe (10) with being communicated with.
6. heater as claimed in claim 5 is characterized in that, also comprises:
Be installed in the intake valve (9) between said heating cabinet end opening (6.6) and the said gas inlet pipe (10).
7. heater as claimed in claim 6 is characterized in that, said washing machine also comprises the air bleeding valve (4) that is installed on the pipeline of cavity (5) aperture, top, and said air bleeding valve (4) connects a blast pipe (3) and forms gas extraction system.
8. heater as claimed in claim 1 is characterized in that, said container is horizontal cylindrical chamber.
9. heater as claimed in claim 5 is characterized in that, said heating cabinet (6.2) suitable for reading and said heating cabinet end opening (6.6) are tubular form.
10. like the described heater of aforementioned any one claim, it is characterized in that said gas inlet pipe (10) is installed on the center of cavity (5) end face, the gas that will be heated device (6) heating is thus introduced in the said cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203491613U CN202247404U (en) | 2011-09-16 | 2011-09-16 | Heating device of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203491613U CN202247404U (en) | 2011-09-16 | 2011-09-16 | Heating device of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247404U true CN202247404U (en) | 2012-05-30 |
Family
ID=46108667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203491613U Expired - Lifetime CN202247404U (en) | 2011-09-16 | 2011-09-16 | Heating device of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137090A (en) * | 2015-03-31 | 2016-11-23 | 俞建平 | All automatic shoes washer |
| CN112054765A (en) * | 2020-08-27 | 2020-12-08 | 平潭煜想时代科技有限公司 | Solar collector power generation method, solar collector and computer equipment |
-
2011
- 2011-09-16 CN CN2011203491613U patent/CN202247404U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137090A (en) * | 2015-03-31 | 2016-11-23 | 俞建平 | All automatic shoes washer |
| CN112054765A (en) * | 2020-08-27 | 2020-12-08 | 平潭煜想时代科技有限公司 | Solar collector power generation method, solar collector and computer equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |