CN1724768A - Electric heater structure for drying of laundry machine - Google Patents
Electric heater structure for drying of laundry machine Download PDFInfo
- Publication number
- CN1724768A CN1724768A CN 200410020009 CN200410020009A CN1724768A CN 1724768 A CN1724768 A CN 1724768A CN 200410020009 CN200410020009 CN 200410020009 CN 200410020009 A CN200410020009 A CN 200410020009A CN 1724768 A CN1724768 A CN 1724768A
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- wound portion
- coil wound
- oven dry
- heating wire
- electric heating
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to a washing machine thermal drying electric heater structure that includes electric heating wire, insulator that contains main body, coil winding section, installation groove and up and down extruding ends. The invention could prevent the electric heating wire deviating from the installation groove, even if expanding by excessive quantity of heat. And the current leakage phenomenon would not be caused, either.
Description
Technical field
The present invention relates to the washing machine field.
Background technology
The invention relates to the oven dry electricity consumption heater structure of washing machine.More detailed says, with in the heater, the invention relates to the structure of the insulator of the coil of supporting the generation heat in oven dry.
Electric heater is by producing the device of heat to the coil supply power, and it is heated the air through heater, makes the hot blast that is subjected to hot gas to become high temperature drying.
Electric heater is used in the washed dryer of oven dry or has the multiple fields such as washing machine of drying function.
Fig. 1 represents to be used in the stereogram of the existing electric heater that has oven dry purposes roller washing machine concurrently.Fig. 2 represents the sectional side view of existing electric heater.
In general, the existing electric heater that is used in roller washing machine is arranged at the oven dry pipe inside of the outer bucket upside that is positioned at roller washing machine.
As shown in Figures 1 and 2, the electric heater that is used in roller washing machine includes electric heating wire 40, insulator 10, central strip plate 30.Electric heating wire 40 is be wound in most circles spiral-shaped, supports the insulator 10 usefulness insulating materials of electric heating wire 40 to make, and central strip plate 30 is divided into two parts up and down to insulator 10.
More detailed says, electric heating wire 40 is that writhing number returns and forms.Here, electric heating wire 40 is arranged with several, and several electric heating wires 40 are connected in series.Then, its two ends are connected with power supply terminal.
In sum, insulator 10 not only can be fixed electric heating wire 40, makes that electric heating wire 40 is indeformable, and owing to be that insulating materials is made, therefore can prevent current direction central strip plate 30.
The effect of central strip plate 30 is to fix several insulators 10 of supporting electric heating wire 40, makes several insulator 10 neat fixing.And central strip plate 30 is divided into upper and lower two parts to the inner space that holds the oven dry pipe of heater.Then, the more than one link 31 that is provided with connecting hole 32 of the outstanding formation in the two sides of central strip plate 30.Here, link 31 is connected with the oven dry pipe.
And as shown in Figure 2, electric heating wire 40 is wound in the upside and the downside position of insulator 10.
Below, electric heating wire 40 is wound in the mode of insulator 10, be described in detail.
Fig. 3 a represents the stereogram of existing insulator.Fig. 3 b represents the front elevation of existing insulator.Fig. 3 c represents the side view of existing insulator.
Shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, general insulator includes parts such as body 11, parallel cuts 15, coil wound portion 12, installation slot 14.Parallel cuts 15 is formed at the central portion two sides of body 11, thus fixed installation central strip plate 30; Coil wound portion 12 is formed on the upper and lower sides end of body 11, and is formed with the through hole 13 of drum shape at central portion; Install on the connecting portion that slot 14 is formed on the bottom surface of coil wound portion 12 and body 11.
More detailed says, it is the degree of depth fixed with that slot 14 is installed, and is recessed to form along the curved surface that constitutes coil wound portion 12 shapes, and inserts electric heating wire 40 at the position of depression.
In possessing the general electric heater of above-mentioned formation, roughly the diameter with electric heating wire 40 is identical to be formed at the degree of depth of the installation slot 14 on the insulator 10.In addition, when long-time use electric heater, high temperature expands the electric heating wire 40 of heater.Because the thermal expansion phenomenon causes electric heating wire 40 easily and breaks away from from insulator 10.
When electric heating wire 40 breaks away from from insulator 10, electric heating wire 40 will be out of shape downwards owing to deadweight, thereby be easy to contact with central strip plate 30.Above-mentioned condition is in case appearance will cause security incidents such as electric leakage.
Summary of the invention
Technical problem to be solved by this invention is, a kind of oven dry electricity consumption heater structure of washing machine is provided, upper and lower sides end at the installation slot of insulator is provided with jag, when electric heating wire works long hours and superheating phenomenon occurs, can prevent that also electric heating wire breaks away from from insulator.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the oven dry electricity consumption heater structure of washing machine, comprise the electric heating wire that just generates heat behind the supply power, and also comprise the insulator of fixing electric heating wire; Insulator comprises body, coil wound portion, slot and upside and downside jag is installed; The coil wound portion is rendered as the drum shape at the upside and the downside end of body, and coil is twined; Slot is installed is recessed to form with the position that the insulator body is connected, thereby lay electric heating wire at least one side of coil wound portion; In order not make the coil disengaging that is installed in the slot, outwards tab-like one-tenth upside in side and downside jag.
In order to reduce manufacturing cost, the central authorities of described coil wound portion are the drum shapes that forms through hole, and the coil wound portion is that benchmark tilts more away from body more with the central axis of drum, and the thickness of coil wound portion is with attenuation gradually.
Form the depression otch of horizontal direction institute depthkeeping degree on the central part of described insulator body, insertion is divided into the central strip plate of two parts up and down with insulator in the otch.
Described installation slot is formed on the two sides of coil wound portion.
Described jag forms along the curved surface that slot is installed, and is that benchmark is more away from tilting more with the end that slot is installed.
The thickness of described coil wound portion is equal to or greater than the pitch of electric heating wire at least.
The external diameter of described coil wound portion should be equal to or greater than the internal diameter of electric heating wire at least
The invention has the beneficial effects as follows: expand owing to being subjected to excessive heat even possess the washing machine oven dry electricity consumption heater structure electric heating wire of the present invention that constitutes in sum, also can from the installation slot of insulator, not break away from.
And, because electric heating wire can not break away from the installation slot of insulator, therefore can not occur electric heating wire yet and contact with the central strip plate and cause security incident such as electric leakage.
Description of drawings
Fig. 1 represents to be used in the stereogram of the existing electric heater that has oven dry purposes roller washing machine concurrently.
Fig. 2 represents the sectional side view of existing electric heater.
Fig. 3 a represents the stereogram of existing insulator.
Fig. 3 b represents the front elevation of existing insulator.
Fig. 3 c represents the side view of existing insulator.
The general expression of Fig. 4 profile that has oven dry purposes roller washing machine concurrently of the present invention.
The general expression of Fig. 5 oven dry of the present invention stereogram of the oven dry pipe inside of heater structure.
Fig. 6 represents the sectional side view of heater assembly of the present invention.
Fig. 7 a represents the stereogram of the present invention as the insulator of electric heater inscape.
Fig. 7 b represents the front elevation of insulator of the present invention.
Fig. 7 c represents the side view of insulator of the present invention.
* * is to the symbol description * * * of major part in the drawing
100: washing machine 110: shell
120: door 130: outer bucket
140: cylinder 150: the oven dry pipe
160: blowing fan 170: condensing pipe
180: draining pump 190: motor
200: electric heater 210: insulator
220: electric heating wire 230: the central strip plate
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: Fig. 4 probably represents the profile that has oven dry purposes roller washing machine concurrently of the present invention.
As shown in Figure 4, the roller washing machine 100 that has the oven dry purposes concurrently that possesses heater of the present invention is to be made of shell 110, door 120, cylinder 140, outer bucket 130,150 of oven dry pipes.Door 120 is formed on the central part of shell one side; Cylinder 140 can hold washed; Outer bucket 130 encases cylinder 140; Oven dry pipe 150 is formed on the upper lateral part of outer bucket 130, and inside is provided with drying heater 200.
More detailed says, a side end of oven dry pipe 150 is connected with the inner space of cylinder 140.And the end side of oven dry pipe 150 has can be toward the blowing fan 160 of cylinder 140 inner blow air.
And the present invention also includes condensing pipe 170.One side end of condensing pipe 170 is connected with the end that is provided with blowing fan 160 of oven dry pipe 150.And the end side of condensing pipe 170 is connected with the inside of cylinder 140.
More detailed says, in other words the upper lateral part of condensing pipe 170, is formed with condensing water comb 175 with oven dry pipe 150 positions that are connected.Here, condensing water is sprayed in acting as of condensing water comb 175, thereby makes the air themperature that rises along condensing pipe 170 descend.
And the bottom surface of outer bucket 130 forms the storage tank 181 of the laundry water gathering of finishing the laundry operation.And, be provided with below the storage tank 181 in order to discharge the draining pump 180 and the scupper hose 182 of laundry water.
And bottom surface one side of outer bucket 130 is provided with the motor 190 that outside bucket 130 interior cylinders 140 provide rotary power; In addition be connected, and central shaft is fixed in the belt pulley 195 on the cylinder 140 with motor 190 usefulness belts.
Below, the action to roller washing machine is described in detail.
At first, open door 120, put into clothing to cylinder 140 inside.Then, close door 120, supply power.At this moment, motor 190 begins rotation.And the belt pulley 195 that motor 190 usefulness belts connect is together rotation also.Then, along with the rotation of belt pulley 195, cylinder 140 also will together rotate, thereby form clothes-washing environment.Then, after the laundry operation ends, dirty laundry water will gather in the storage tank 181.And the laundry water that gathers in the storage tank 181 will be aspirated by draining pump 180, thereby can be discharged to the outside via scupper hose 182.
In addition, after the laundry operation ends, in to the washed stage of drying, blowing fan 160 will start, thereby allow air to flow into washing machine inside.In addition, will be flowed along oven dry pipe 150 by blowing fan 160 inhaled airs.And the air that flows in oven dry pipe 150 inside will be through being arranged at the electric heater 200 of oven dry pipe 150 inside.Then, flow in the heat of absorption of air electric heater 200 generations of oven dry pipe 150 inside, thereby become the hot blast of high temperature drying.
Be in the inside that the hot blast under the high temperature drying state will continue to flow into along oven dry pipe 150 cylinder 140.And the air that arrives cylinder 140 inside will be absorbed in the moisture that contains in humidities washed of cylinder 140 inner rotations.
Then, the air of experience said process will become the high temperature malaria.And the air that is under the high temperature dampness will rise along the condensing pipe 170 that is communicated with cylinder 140 back underside.
And in sum, the upper lateral part of condensing pipe 170 is provided with: the comb 175 that sprays condensing water., from comb 175, eject cold water here, and drop to the bottom.
, flow out the high temperature malaria of cylinder 140 here, will with from condensing water comb 175, eject and meet along the inner face flowing cold water of condensing pipe 170.Its result, the temperature of high temperature malaria will descend, thus the moisture that contains in the high temperature malaria will condense, and below dropping to.
Then, air will be in drying regime again.And, sucked again by blowing fan 160, thereby along 150 circulations of oven dry pipe.Then, the moisture that the back of condensing falls will be gathered in the storage tank 181 along the inner peripheral surface of outer bucket 130, and finally is discharged to the outside.
The general expression of Fig. 5 oven dry of the present invention stereogram of the oven dry pipe inside of heater structure.Fig. 6 represents the sectional side view of heater assembly of the present invention.
As Fig. 5 and shown in Figure 6, constituted by electric heating wire 220, insulator 210, central strip plate 230 according to heater of the present invention.Electric heating wire 220 is toward the long ordered series of numbers that is configured to of left and right directions; Insulator 210 is arranged at two terminal parts and the central portion of electric heating wire 220, thereby supports electric heating wire 220; Central strip plate 230 fixed insulation bodies 210, and insulator 210 is divided into up and down two parts.
More detailed says, electric heating wire 220 is be wound in most circles spiral-shaped, and two terminal parts are connected with power supply terminal 300.
And electric heating wire 220 is positioned at the upper and lower of insulator 210 separately, and is benchmark with central strip plate 230, is divided into two parts up and down.
And, the outstanding link 231 that is connected with the oven dry pipe 150 of accommodating heater that forms on the both side ends of central strip plate 230.And, in link 231, form a connecting hole 232 at least.
And oven dry pipe 150 includes base plate 151 and side plate 152.The both side ends of side plate 152 base plates 151 is vertically extended institute's measured length and is formed.In addition, prolong formation erecting device 155 with institute's set a distance in side plate 152, erecting device 155 combines with central strip plate 230 and another side pipe (not shown) in order to make side plate 152.Then, form link insertion groove 154 and the side pipe combined hole 153 that link 231 can be installed on the erecting device 155.
According to above-mentioned formation, if blowing fan 160 sucks air, institute's inhaled air will be along the internal flow of pipe 150, and will pass through heater 200.
Then, inhaled air via heater 200 after, will become the air of high temperature drying.
Fig. 7 a represents the stereogram of the present invention as the insulator of electric heater inscape.Fig. 7 b represents the front elevation of insulator of the present invention.Fig. 7 c represents the side view of insulator of the present invention.
Shown in Fig. 7 a, Fig. 7 b, Fig. 7 c, insulator 200 of the present invention includes parts such as body 211, parallel cuts 215, coil wound portion 212, installation slot 214.Parallel cuts 215 is recessed to form in the central portion of body 211 and has institute's depthkeeping degree and width, thus fixed installation central strip plate; Coil wound portion 212 is formed on the upper and lower sides end of body 211, and is the drum shape that forms through hole 213 in central authorities; Install on the connecting portion that slot 214 is formed on the bottom surface of coil wound portion 212 and body 211, and along periphery depression institute's depthkeeping degree of coil wound portion 212 and form, and lay electric heating wire.
More detailed says, in order to reduce manufacturing cost, coil wound portion 212 is drum shapes that central authorities form through hole 213.Then, coil wound portion 212 tilts more from the past more upside of the central axis of drum.In other words, will mean that the thickness of coil wound portion 212 is with attenuation gradually.Certainly, in contrast, when the central axis of the coil wound portion that is formed at insulator 200 bodies 211 downsides from drum more down sidles more.
The thickness of the coil wound portion of as above being narrated 212 reason of attenuation gradually is described as follows.That is, when electric heating wire 220 is installed on coil wound portion 212, insert along the inclined plane, can be laborsaving relatively, and relatively easy the installation.
And the external diameter of coil wound portion 212 should be equal to or greater than the internal diameter of electrical heating coil at least.And the thickness of coil wound portion 212 is equal to or greater than the pitch of electrical heating coil at least.Because, if the external diameter of coil wound portion 212 less than the internal diameter of electrical heating coil, hot line will be easy to break away from.In addition, if the thickness of coil wound portion 212 less than the internal diameter of electrical heating coil, electric heating wire will be not easy to be installed on coil wound portion 212.
And, as shown in the figure, slot 214 is installed is formed with jag 216,217 on every side.Here, jag is that reference region is divided into the end that slot 214 is installed: the upside jag 216 and the downside jag 217 that is formed at body 211 sides that are formed at coil wound portion 212 sides.
And away from slot 214 is installed, its shape will tilt jag 216,217 more more.The reason of attenuation is identical gradually for the thickness of the reason of She Zhiing and coil wound portion 212 like this.
In addition, it is roughly the same to be formed on the diameter of the degree of depth of the installation slot 214 on the insulator and electric heating wire 220.Therefore, electric heating wire is heated and when expanding, will be easy to break away from from slot 214 is installed.Therefore, in order to deal with problems, increase of the present invention is provided with, outstanding institute's take the altitude from slot 214 is installed and the jag 216,217 that forms.In other words, because the existence of jag 216,217 even electric heating wire 220 expands owing to being subjected to excessive heat, can not break away from from insulator 200 yet.And, because hot line can not break away from insulator 200, therefore the phenomenon that electric heating wire 220 contacts with the central strip plate can not appear yet.
Claims (7)
1. the oven dry electricity consumption heater structure of a washing machine comprises the electric heating wire that just generates heat behind the supply power, it is characterized in that: also comprise the insulator of fixing electric heating wire; Insulator comprises body, coil wound portion, slot and upside and downside jag is installed; The coil wound portion is rendered as the drum shape at the upside and the downside end of body, and coil is twined; Slot is installed is recessed to form with the position that the insulator body is connected, thereby lay electric heating wire at least one side of coil wound portion; In order not make the coil disengaging that is installed in the slot, outwards tab-like one-tenth upside in side and downside jag.
2. the oven dry electricity consumption heater structure of washing machine according to claim 1, it is characterized in that: in order to reduce manufacturing cost, the central authorities of coil wound portion are the drum shapes that forms through hole, the coil wound portion is that benchmark tilts more away from body more with the central axis of drum, and the thickness of coil wound portion is with attenuation gradually.
3. the oven dry electricity consumption heater structure of washing machine according to claim 1 is characterized in that: form the depression otch of horizontal direction institute depthkeeping degree on the central part of insulator body, the central strip plate of two parts about insertion is divided into insulator in the otch.
4. the oven dry electricity consumption heater structure of washing machine according to claim 1 is characterized in that: the two sides that slot is formed on the coil wound portion are installed.
5. the oven dry electricity consumption heater structure of washing machine according to claim 1 is characterized in that: jag forms along the curved surface that slot is installed, and is that benchmark is more away from tilting more with the end that slot is installed.
6. the oven dry electricity consumption heater structure of washing machine according to claim 1, it is characterized in that: the thickness of coil wound portion is equal to or greater than the pitch of electric heating wire at least.
7. the oven dry electricity consumption heater structure of washing machine according to claim 1, it is characterized in that: the external diameter of coil wound portion should be equal to or greater than the internal diameter of electric heating wire at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020009 CN1724768A (en) | 2004-07-19 | 2004-07-19 | Electric heater structure for drying of laundry machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020009 CN1724768A (en) | 2004-07-19 | 2004-07-19 | Electric heater structure for drying of laundry machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1724768A true CN1724768A (en) | 2006-01-25 |
Family
ID=35924382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410020009 Pending CN1724768A (en) | 2004-07-19 | 2004-07-19 | Electric heater structure for drying of laundry machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1724768A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088725A (en) * | 2014-04-22 | 2015-11-25 | 无锡小天鹅股份有限公司 | Electric heating device of clothes dryer and clothes dryer |
| CN110915297A (en) * | 2017-05-09 | 2020-03-24 | 图特科有限公司 | Support insulator for open coil electric heater and method of use |
| CN112226999A (en) * | 2018-08-09 | 2021-01-15 | Lg电子株式会社 | Clothes treating device |
-
2004
- 2004-07-19 CN CN 200410020009 patent/CN1724768A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088725A (en) * | 2014-04-22 | 2015-11-25 | 无锡小天鹅股份有限公司 | Electric heating device of clothes dryer and clothes dryer |
| CN110915297A (en) * | 2017-05-09 | 2020-03-24 | 图特科有限公司 | Support insulator for open coil electric heater and method of use |
| CN110915297B (en) * | 2017-05-09 | 2023-02-24 | 图特科有限公司 | Support insulator for open coil electric heater and method of use |
| CN112226999A (en) * | 2018-08-09 | 2021-01-15 | Lg电子株式会社 | Clothes treating device |
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