CN104812112B - Metal PTC quick-electric-heating device - Google Patents
Metal PTC quick-electric-heating device Download PDFInfo
- Publication number
- CN104812112B CN104812112B CN201410038010.4A CN201410038010A CN104812112B CN 104812112 B CN104812112 B CN 104812112B CN 201410038010 A CN201410038010 A CN 201410038010A CN 104812112 B CN104812112 B CN 104812112B
- Authority
- CN
- China
- Prior art keywords
- heating tube
- fixed
- heating
- electric
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 151
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000003584 silencer Effects 0.000 claims abstract description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 27
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The present invention relates to metal PTC electric heating tubes.Metal PTC quick-electric-heating device, including an electric heater main body, electric heater main body include at least one metal PTC heating tube for heating, and heating tube is equipped with cooling fin；PTC heater element is equipped in heating tube；The left end of heating tube is equipped with a metal silencer mechanism, and metal silencer mechanism includes a fixed plate, and a fixed bracket fixes bracket one end and is connected and fixed plate, the other end is directed away from the direction of fixed plate；Fixed bracket is equipped with the fixed opening of at least one heating tube, is respectively open arranged side by side, and the aperture of opening is not less than the outer diameter of heating tube.The present invention is by being arranged fixed bracket, and heating tube can be goed deep into opening, to be fixed in fixed plate by erecting, and then by heating tube.This kind of fixed form aluminum pipe will not generate pressure to heating element.Heating element can the free wxpansion in heating tube, the deformation of heating tube can be effectively relieved.
Description
Technical field
The present invention relates to heater technical fields, and in particular to metal PTC electric heater.
Background technique
Since air conditioner can not only freeze, can be enjoyed the cool summer and winter with heating so can meet people simultaneously
The needs of heating.And body own vol is smaller, and it is easy for installation；By being driven by electricity, the limitation used is small.It is especially close
Nian Lai, with the raising of people's living condition, air conditioner just gradually moves towards huge numbers of families due to having the above advantages.
Existing air-conditioning heating tube is mostly directly pressed together on aluminum pipe, aluminum pipe again can be with the heating of the inside when fixed
Element presses together.Since aluminum pipe is different with the thermal expansion coefficient of heating element, in air-conditioning use process, the expansion of aluminum pipe
Very fast with shrinking, the expansion and contraction of heating element are slower, and heating tube is easily deformed, and the easy collision noise of gas is larger.
Summary of the invention
The object of the present invention is to provide a kind of metal PTC quick-electric-heating devices, to solve the above technical problems.
Technical problem solved by the invention can be realized using following technical scheme:
Metal PTC quick-electric-heating device, including an electric heater main body, the electric heater main body include that at least one is used
In the metal PTC heating tube of heating, which is characterized in that the heating tube is equipped with cooling fin；PTC is equipped in the heating tube to send out
Thermal element；
The left end of the heating tube is equipped with a metal silencer mechanism, and the metal silencer mechanism includes a fixed plate, and one is solid
Fixed rack, described fixed bracket one end connect the fixed plate, and the other end is directed away from the direction of the fixed plate；
The fixed bracket is equipped with the fixed opening of at least one heating tube, is respectively open arranged side by side, the opening
Aperture is not less than the outer diameter of heating tube
The present invention is by being arranged fixed bracket, and heating tube can be goed deep into opening, to fix by erecting, and then by heating tube
In fixed plate.This kind of fixed form aluminum pipe will not generate pressure to heating element.Heating element can be freely swollen in heating tube
It is swollen, the deformation of heating tube can be effectively relieved.
At work, heating tube connects external circuit to the present invention, and electric energy is transferred in heating tube, and by heating
Pipe converts electrical energy into thermal energy, and passes thermal energy eventually by cooling fin.
Have at least one through-hole on the cooling fin, the cooling fin covered in the heating tube by the through-hole and with
The heating tube is in close contact；The through-hole is consistent with the number of the heating tube.
The heating tube periphery is fixed at least 10 parallel cooling fins, and the cooling fin is equidistantly arranged in described add
On heat pipe, the arrangement spacing of the cooling fin is 1.5mm~6mm.Preferably 3.4mm.With Homogeneouslly-radiating.
As a preferred embodiment, the heating tube passes through mechanical expanding mode and the seamless close connection of through-hole.
As another preferred embodiment, the outer diameter of the through-hole is equipped with flange, the heating tube by the flange with
The cooling fin is fixedly connected.The flange is in horn mouth.In order to install.
The cooling fin is equipped at least one heat release hole, and the heat release hole is equidistantly arranged around the circumference of the through-hole.
To improve the uniformity of heat dissipation.Reduce the deflection of cooling fin dilation.
The heating tube includes a tube body, is equipped with electric heating wire, magnesia powder in the tube body, the tube body both ends are equipped with
Sealing device is equipped at silica gel plug, the tube body and the silica gel plug cooperation.At the tube body and the silica gel plug cooperation
Equipped with sealing device, keep the cooperation of silica gel plug and tube body closer, improves sealing performance of the invention, avoid magnesia
Powder leaks, to substantially increase the safety and insulating properties of the electric heating tube.
The tube body of the heating tube uses the heating tube of aluminum material production.That is, the tube body uses an aluminum pipe.
The sealing device is preferably silicon rubber sealing compound.To guarantee airtight quality.
The magnesia powder is uniformly filled in the cavity of the heating tube.
It can be, a protection pipe is additionally provided in the tube body, the electric heating wire is located in the protection pipe, the oxidation
Magnesium powder is uniformly filled and the protection pipe internal cavity.Heat dissipation area is increased by being equipped with a protection pipe in tube body, effectively
Radiating efficiency is improved, and then avoids electricity plus tube temperature spends that high, heat dissipation is insufficient, air conditioner route is caused to burn out.
As a preferred embodiment, it is set on the fixed bracket there are two opening, not connection between two openings.To save
Material reduces cost.When more crucial, by connection, the stress condition of opening can be improved.
As another preferred embodiment, set on the fixed bracket there are two opening, two opening between connection.To improve
To the aid effect of aluminum pipe, it is further reduced the shaking of aluminum pipe.
Any end of the fixed plate is equipped with upward flange, and the outside of the flange is equipped with collets.The flange
It can be bolted between the collets.
The fixed bracket at least there are two, each fixed bracket is respectively positioned on the inside of the flange, and pacifies with the flange
Mounted in the same side of the fixed plate.To guarantee that aluminum pipe fixation is stable.
The opening is equipped with bracing ring, and the thickness of the bracing ring is greater than the support bracket fastened thickness.To aluminum pipe
Play the role of support, alleviates fixed bracket to the pressure of aluminum pipe.
The bracing ring can be in the shape of a trumpet, to facilitate aluminum pipe to pass through.It can also be provided on the side of the bracing ring
Notch passes through the adjustable clamping dynamics to aluminum pipe of slotting.It is also provided with damping washer on the inside of the bracing ring side,
The noise generated is shaken to reduce aluminum pipe.The bracing ring can also be directly constituted by damping washer.
The bracing ring is located at the support bracket fastened side, and one end of the bracing ring connects the fixed bracket, separately
One end is directed away from the fixed holder orientation.
As a preferred embodiment, there are two the fixed brackets, the respectively first fixed bracket, the second fixed bracket,
First fixed bracket, the second fixed bracket are successively arranged；
Described first fixed branch is provided with the side of bracing ring backwards, and the other side is facing forward；Described second fixed branch is provided with
The side of bracing ring is facing forward, and the other side is backwards.
As another preferred embodiment, there are three the fixed brackets, the respectively first fixed bracket, the second fixed branch
The fixed bracket of frame, third, the first fixed bracket, the second fixed bracket, the fixed bracket of third are successively arranged；
Described first fixed branch is provided with the side of bracing ring backwards, and the other side is facing forward；Described second fixed branch is provided with
The side of bracing ring is facing forward, and the other side is backwards；Before third fixes the side for being provided with bracing ring backwards, the other side is backwards.
The fixed plate is equipped at least two bolts hole, to facilitate the connection with other components.The bolt hole is preferred
There are two, two bolts hole are respectively positioned on the middle part of the fixed plate.Two bolts hole are respectively the first bolt hole, the second bolt
Hole, first spiro keyhole position is in the described first support bracket fastened front, and second spiro keyhole position is in the fixed branch of the third
Between frame and the flange.
The PTC heater element uses metal PTC heater element.Metal PTC heater element has high sensitivity, Yi Jia
The features such as work, inactivity decaying, strong well loading capability of stability.
The electric heater main body includes a metal PTC heating tube temperature mechanism for monitoring, the metal PTC heating tube temperature
Mechanism for monitoring includes one for limiting the temperature controller of the heating tube temperature, and the temperature controller is connected with the heating tube, described
The temperature sensor of temperature controller is contacted with the heating tube, and the heating tube connects power supply circuit by the temperature controller.Institute
When stating heating tube and being raised to the cutting temperature value of setting, the temperature controller cuts off the power supply circuit of the heating tube；In the heating
When pipe drops to the conducting temperature value of setting, the temperature controller connects the power supply circuit of the heating tube.Power supply circuit is in temperature in this way
Under the control for controlling device, automatically according to temperature change on or off, overheated heater on the one hand can be prevented, is on the one hand saved
Electric power energy.
The power supply circuit of the heating tube is connected with a fuse-link.
In order to guarantee the temperature detection to heating tube, the cooling fin is equipped with normally closed type contact thermoswitch, the heat
The triggering and conducting Tandem of quick switch and the temperature controller.When heatsink temperature is higher than thermoswitch temperature, the temperature control
Device cuts off the power supply circuit of the heating tube；When heatsink temperature is lower than thermoswitch temperature, described in the temperature controller connection
The power supply circuit of heating tube.
The temperature controller is located at the right part of the heating tube, and the right part of the heating tube is additionally provided with one and is used for temperature control
Device is fixed on the mounting bracket in metal PTC heating tube；
The mounting bracket includes upper holder, lower fixed frame, any in fixed frame or the lower fixed frame
One is equipped with an inserted sheet, and between fixed frame, the lower fixed frame, the inserted sheet resists described the temperature controller
Temperature controller.
The present invention can limit the position of temperature controller by the way that inserted sheet is arranged on lower fixed frame or upper holder by inserted sheet
It sets, can effectively prevent heating tube during assembling, transport and use, situations such as temperature controller that may cause shakes, displacement,
To which the temperature measurement accuracy of metal PTC heating tube temperature mechanism for monitoring main body can be improved.
A slot matched with the inserted sheet can be equipped with the temperature controller, the inserted sheet is inserted into the slot.With
The fixed temperature controller.
As a preferred embodiment, the lower fixed frame is equipped with the inserted sheet.To facilitate installation.The lower fixed frame
Length is 70mm-80mm, preferably 76mm, width 20mm-30mm, preferably 25.5mm.The height of the inserted sheet is 3mm-6mm,
It is preferred that 5mm, width 2mm-5mm, preferably 4mm.
In order to further limit the position of temperature controller, it is additionally provided on the lower fixed frame for limiting described temperature controller or so
Left limit mechanism, the right limit mechanism of movement, the left limit mechanism are located at the left side of the inserted sheet, right limit mechanism position
Minimum range between the right side of the inserted sheet, the left limit mechanism, the right limit mechanism is greater than or equal to the temperature
Control the width of device.The left limit mechanism, right limit mechanism distance are 10mm-20mm, preferably 14mm.
The left side of the inserted sheet is equipped with one in the first bulge-structure of shape of raising upward, using first bulge-structure as
The left limit mechanism, also be provided on the right side of the inserted sheet one in the shape that raises upward the second bulge-structure, it is convex with described second
Structure is played as the right limit mechanism.On the one hand the present invention can further limit temperature control by the structure equipped with convex
The position of device, the structure of another aspect convex can resist heating tube, in assembling process, it is possible to reduce temperature controller fail in compression
Situation, and can be to avoid fixed bracket and heating tube hard contact, it is understood that there may be not fixed firmly, abrasion etc. is asked between component
Topic.
First bulge-structure, the cross section of the second bulge-structure are arc-shaped, and preferably radius is 1mm-2mm, especially
The circular arc of 1.5mm.
A slot is provided in the middle part of the lower fixed frame, the inserted sheet is located in the slot.On the one hand it by fluting, may make
Air circulation at temperature controller, avoids temperature controller from crossing cause thermal damage, on the other hand allows the specification according to temperature controller, adjusts inserted sheet in slot
Interior position, the position so as to adjust temperature controller relative to heating tube.As a preferred embodiment, described inserted sheet one end connects institute
Lower fixed frame is stated, the other end is upward.The inserted sheet can be notch flange and be formed.
The slot preferably there are two, two slots are arranged side by side.The distance between two slots are 2mm-5mm, preferably 4mm.Two
The width of a slot is not less than the width of inserted sheet, length is 10mm-20mm, preferably 15mm.
At least two bolts hole are additionally provided on the lower fixed frame.For fixing.At least two bolts hole preferably with it is described
Inserted sheet is located along the same line.As a preferred embodiment, bolt hole there are two setting on the lower fixed frame, one of them is located at
The front of the inserted sheet, another is located at the rear of the inserted sheet.The most narrow spacing of bolt hole in front of the inserted sheet to slot
From for 8mm-10mm, preferably 9mm, the minimum range positioned at bolt hole to the slot at the inserted sheet rear is 10mm-18mm, preferably
14mm。
At least one bolt hole also is provided on fixed plate, at least one bolt hole be located at the inserted sheet in front of
Bolt hole is corresponding.The lower fixed frame connects fixed frame by least one bolt hole.It is preferred that fixed frame,
The lower fixed frame is by the bolt hole corresponding with bolt hole that is being located in front of the inserted sheet and before being located at the inserted sheet
The bolt hole of side, benefit are bolted together.
In order to further increase the temperature measurement accuracy of metal PTC heating tube temperature mechanism for monitoring, the lower fixed frame
Left side side and the right side be equipped with upward flange, the distance between the flange of left side side and the flange of the right side are greater than or wait
In the width of heating tube.A heating tube position limiting structure can be formed by this kind of structure, on the lower fixed frame, lower fixed frame passes through
Heating tube is limited, position of the temperature controller in heating tube can be further limited.Left side side and the flange on the side of the right
Height is 2mm-4mm, preferably 3.4mm, with a thickness of 0.2mm-0.7mm, preferably 0.5mm.
Front middle part, the front two sides of the lower fixed frame can be equipped with to upper overturning, to further limit heating tube
Position.
The rear of the lower fixed frame is equipped with a route fixed plate, and route fixed plate one end connects the lower fixation
Frame, one end is upward, and the route fixed plate is equipped with threading hole.The route fixed plate can be by being located at the lower fixed frame
Rear side turns over, and then punches string holes on it and is formed.The height of the route fixed plate be 10mm-19mm, preferably 16.5mm,
Width is 10mm-15mm, preferably 12.6mm.
The power supply line of the temperature controller is stretched out by the threading hole.The aperture of the threading hole is 3mm-5mm, preferably
4.2mm。
One corner of the lower fixed frame is equipped with a curved opening, and the curved opening is located at the one of the route fixed plate
Side, preferably right side.To facilitate fair line, sharp line.
The height of the lower fixed frame of the temperature controller is consistent with the height of the metal silencer mechanism fixed plate.Thus will
The heating tube is horizontal positioned, improves the mounting stability of heating tube.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of metal silencer mechanism of the present invention；
Fig. 3 is the main view of lower fixed frame of the invention；
Fig. 4 is the A-A cross-sectional view of lower fixed frame of the invention；
Fig. 5 is the right view of lower fixed frame of the invention；
Fig. 6 is a kind of structural schematic diagram of cooling fin of the present invention；
Fig. 7 is the partial schematic diagram of heating tube of the present invention；
Fig. 8 is the partial enlarged view at heating tube I of the present invention；
Fig. 9 is the partial cutaway view of heating tube of the present invention；
Figure 10 is a kind of main view of structure of metal silencer mechanism of the invention；
Figure 11 is the left view of Figure 10 structure；
Figure 12 is the top view of Figure 10 structure.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating that the present invention is further explained.
Referring to Fig. 1, Fig. 2, Fig. 6, metal PTC quick-electric-heating device, including an electric heater main body, electric heater main body packet
At least one metal PTC heating tube 1 for heating is included, heating tube 1 is equipped with cooling fin 2；PTC is equipped in heating tube 1 to generate heat
Element；The left end of heating tube 1 is equipped with a metal silencer mechanism, and metal silencer mechanism includes a fixed plate 3, and one fixes bracket 4, Gu
4 one end of fixed rack is connected and fixed plate 3, and the other end is directed away from the direction of fixed plate 3；Fixed bracket 4 adds equipped at least one
The fixed opening 11 of heat pipe 1, each opening 11 is arranged side by side, and 11 aperture of being open is not less than the outer diameter of heating tube 1.The present invention passes through
Fixed bracket 4 is set, and heating tube 1 can deeply be open in 11, to be fixed in fixed plate 3 by erecting, and then by heating tube 1.
This kind of fixed form aluminum pipe will not generate pressure to heating element.Heating element can the free wxpansion in heating tube 1, can effectively delay
Solve the deformation of heating tube 1.At work, heating tube 1 connects external circuit to the present invention, and electric energy is transferred in heating tube 1,
And thermal energy is converted electrical energy by heating tube 1, and thermal energy is passed eventually by cooling fin 2.
There is at least one through-hole 21 on cooling fin 2, it is in heating tube 1 and tight with heating tube 1 that cooling fin 2 passes through 21 sets of through-hole
Contiguity touching；Through-hole 21 is consistent with the number of heating tube 1.1 periphery of heating tube is fixed at least 10 parallel cooling fins 2, dissipates
Backing 2 is equidistantly arranged in heating tube 1, and the arrangement spacing of cooling fin 2 is 1.5mm~6mm.Preferably 3.4mm.Uniformly to dissipate
Heat.Cooling fin 2 is equipped at least one heat release hole, and heat release hole is equidistantly arranged around the circumference of through-hole.To improve the equal of heat dissipation
Even property.Reduce the deflection of 2 dilation of cooling fin.
As a preferred embodiment, heating tube passes through mechanical expanding mode and the seamless close connection of through-hole.
As another preferred embodiment, the outer diameter of through-hole is equipped with flange, and heating tube connects by the way that flange and cooling fin are fixed
It connects.Flange is in horn mouth.In order to install.
Referring to Fig. 7, Fig. 8, heating tube 1 includes a tube body, is equipped with electric heating wire, magnesia powder 31, tube body both ends in tube body
Equipped with silica gel plug 33, sealing device 32 is equipped at tube body and 33 cooperation of silica gel plug, due to tube body at silica gel plug cooperation equipped with close
Seal apparatus keeps the cooperation of silica gel plug and tube body closer, improves sealing performance of the invention, avoids outside magnesia powder
It lets out, to substantially increase the safety and insulating properties of the electric heating tube.The tube body of heating tube is added using aluminum material production
Heat pipe.That is, tube body uses an aluminum pipe.Sealing device is preferably silicon rubber sealing compound.To guarantee airtight quality.Magnesia powder is equal
It is even to be filled in the cavity of heating tube.
It is also possible to referring to Fig. 9, is additionally provided with a protection pipe 35 in tube body, electric heating wire 34 is located in protection pipe 35, oxidation
Magnesium powder 31 is uniformly filled and protection pipe internal cavity.Heat dissipation area is increased by being equipped with a protection pipe in tube body, is effectively mentioned
High radiating efficiency, and then avoid electricity plus tube temperature spends that high, heat dissipation is insufficient, cause air conditioner route to burn out.Protection pipe with
Heat transfer medium is equipped in the gap of tube body, heat transfer medium can be water, empty gas and solid.The solid can be dry ice.
As a preferred embodiment, it is set on fixed bracket there are two opening, not connection between two openings.To save material
Material, reduces cost.When more crucial, by connection, the stress condition of opening can be improved.
As another preferred embodiment, opening there are two setting, connection between two openings are fixed on bracket.To improve to aluminium
The aid effect of pipe, is further reduced the shaking of aluminum pipe.
Referring to Figure 10, Figure 11, Figure 12, a kind of structural schematic diagram of fixed bracket 4.
Fixed bracket 4 at least there are two, each fixed bracket is respectively positioned on the inside of flange, and is mounted on fixed plate 3 with flange
The same side.To guarantee that aluminum pipe fixation is stable.
It is open at 11 equipped with bracing ring 12, the thickness of bracing ring 12 is greater than support bracket fastened thickness, to play branch to aluminum pipe
The effect of support alleviates fixed bracket to the pressure of aluminum pipe.Bracing ring 12 can be in the shape of a trumpet, to facilitate aluminum pipe to pass through.Support
It can also be provided with notch on the side of circle 12, pass through the adjustable clamping dynamics to aluminum pipe of slotting.The inside of bracing ring side
It is also provided with damping washer, shakes the noise generated to reduce aluminum pipe.Bracing ring can also be directly constituted by damping washer.Branch
Support ring is located at support bracket fastened side, and one end of bracing ring is connected and fixed bracket, and the other end is directed away from fixed holder orientation.
As a preferred embodiment, there are two fixed brackets, the respectively first fixed bracket, the second fixed bracket, first
Fixed bracket, the second fixed bracket are successively arranged；First fixed branch is provided with the side of bracing ring backwards, and the other side is facing forward；The
The side that two fixed branch are provided with bracing ring is facing forward, and the other side is backwards.
As another preferred embodiment, there are three fixed brackets, the respectively first fixed bracket, the second fixed bracket, the
Three fixed brackets, the first fixed bracket, the second fixed bracket, the fixed bracket of third are successively arranged；First fixed branch is provided with branch
Backwards, the other side is facing forward for the side of support ring；The side that second fixed branch is provided with bracing ring is facing forward, and the other side is backwards；Third is solid
Fixed rack be equipped with bracing ring side backwards before, the other side is backwards.
Any end of fixed plate is equipped with upward flange, and the outside of flange is equipped with collets 10.Flange and collets 10
Between can be bolted.
Fixed plate is equipped at least two bolts hole, to facilitate the connection with other components.Bolt hole preferably there are two, two
A bolt hole is respectively positioned on the middle part of fixed plate.Two bolts hole are respectively the first bolt hole, the second bolt hole, the first spiro keyhole position
In the first support bracket fastened front, the second spiro keyhole position is between the fixed bracket of third and flange.
PTC heater element uses metal PTC heater element.Metal PTC heater element has high sensitivity, easy processing, nothing
The features such as power attenuation, the strong well loading capability of stability.
Electric heater main body includes a metal PTC heating tube temperature mechanism for monitoring, metal PTC heating tube temperature mechanism for monitoring
Including one for limiting the temperature controller 6 of heating tube temperature, temperature controller is electrically connected with heating tube, the temperature sensor of temperature controller 6 and
Heating tube contact, heating tube connect power supply circuit by temperature controller 6.When heating tube is raised to the cutting temperature value of setting, temperature control
The power supply circuit of the cutting heating tube of device 6；When heating tube drops to the conducting temperature value of setting, temperature controller 6 connects the confession of heating tube
Circuit.Power supply circuit in this way, automatically according to temperature change on or off, on the one hand can under the control of temperature controller 6
Overheated heater is prevented, electric power energy has on the one hand been saved.The power supply circuit of heating tube is connected with a fuse-link.
In order to guarantee the temperature detection to heating tube, cooling fin is equipped with normally closed type contact thermoswitch, thermoswitch with
The triggering and conducting Tandem of temperature controller.When heatsink temperature is higher than thermoswitch temperature, temperature controller cuts off the confession of heating tube
Circuit；When heatsink temperature is lower than thermoswitch temperature, temperature controller connects the power supply circuit of heating tube.
Temperature controller 6 is located at the right part of heating tube, and the right part of heating tube is additionally provided with one for temperature controller to be fixed on gold
Belong to the mounting bracket in PTC heating tube；Mounting bracket includes upper holder 7, lower fixed frame 5, upper holder 7 or lower fixed frame 5
In any one be equipped with an inserted sheet, for temperature controller between upper holder 7, lower fixed frame 5, inserted sheet resists temperature controller.This
Invention can limit the position of temperature controller by the way that inserted sheet is arranged on lower fixed frame 5 or upper holder 7 by inserted sheet, can be effective
Prevent heating tube during assembling, transport and use, situations such as temperature controller that may cause shakes, displacement, so as to mention
The temperature measurement accuracy of high metal PTC heating tube temperature mechanism for monitoring main body.Upper holder, which is equipped with, places the molten of fuse-link
Disconnected body support frame 9.
For the ease of the clean and tidy of route of the present invention, the outgoing line components of fuse, the outgoing line components of temperature controller, heating tube
Outgoing line components arranged together by isolation material, external power supply is connected by a connecting terminal, connecting terminal is externally provided with
Sheath.Insulation protection.
A slot matched with inserted sheet can be equipped with temperature controller, inserted sheet is inserted into slot.To fix temperature controller.
Referring to Fig. 3, Fig. 4, Fig. 5, lower fixed frame 5 is equipped with inserted sheet 16.To facilitate installation.The length of lower fixed frame is
70mm-80mm, preferably 76mm, width 20mm-30mm, preferably 25.5mm.The height of inserted sheet be 3mm-6mm, preferably 5mm, it is wide
Degree is 2mm-5mm, preferably 4mm.
In order to further limit the position of temperature controller, the left side for limiting temperature controller side-to-side movement is additionally provided on lower fixed frame
Position-limit mechanism, right limit mechanism, left limit mechanism are located at the left side of inserted sheet, and right limit mechanism is located at the right side of inserted sheet, left limit
Minimum range between mechanism, right limit mechanism is greater than or equal to the width of temperature controller.Left limit mechanism, right limit mechanism distance
For 10mm-20mm, preferably 14mm.
The left side of inserted sheet 16 is equipped with one in the first bulge-structure of shape of raising upward, using the first bulge-structure as left limit
Mechanism, also be provided on the right side of inserted sheet one in the shape that raises upward the second bulge-structure, using the second bulge-structure as right limit machine
Structure.On the one hand the present invention can further limit the position of temperature controller, another aspect convex by the structure equipped with convex
Structure can resist heating tube, in assembling process, it is possible to reduce the case where temperature controller fail in compression, and can be to avoid fixed branch
Frame and heating tube hard contact, it is understood that there may be the problems such as being not fixed firmly, worn between component.It is first bulge-structure, second convex
Rise structure cross section it is arc-shaped, preferably radius be 1mm-2mm, especially 1.5mm circular arc.
The middle part of lower fixed frame 5 is provided with a slot 15, and inserted sheet 16 is located in slot 15.On the one hand by fluting, it may make temperature control
Air circulation at device, avoids temperature controller from crossing cause thermal damage, on the other hand allows the specification according to temperature controller, adjusts inserted sheet in slot
Position, the position so as to adjust temperature controller relative to heating tube.As a preferred embodiment, inserted sheet one end connects lower fixed frame,
The other end is upward.Inserted sheet can be notch flange and be formed.Slot preferably there are two, two slots are arranged side by side.Between two slots away from
From for 2mm-5mm, preferably 4mm.The width of two slots is not less than the width of inserted sheet, length is 10mm-20mm, preferably
15mm。
At least two bolts hole 14 are additionally provided on lower fixed frame 5.For fixing.At least two bolts hole preferably with inserted sheet position
In on same straight line.As a preferred embodiment, bolt hole there are two being set on lower fixed frame, before one of them is located at inserted sheet
Side, another is located at the rear of inserted sheet.The minimum range of bolt hole in front of inserted sheet to slot is 8mm-10mm, preferably 9mm,
Minimum range positioned at bolt hole to the slot at inserted sheet rear is 10mm-18mm, preferably 14mm.
At least one bolt hole also is provided on upper mounted plate, at least one bolt hole and the bolt hole phase being located in front of inserted sheet
It is corresponding.Lower fixed frame connects upper holder by least one bolt hole.It is preferred that upper holder, lower fixed frame by be located at insert
The corresponding bolt hole of bolt hole and the bolt hole in front of inserted sheet, benefit in front of piece are bolted together.
In order to further increase the temperature measurement accuracy of metal PTC heating tube temperature mechanism for monitoring, a left side for lower fixed frame
Avris and the right side are equipped with upward flange, and the distance between flange and the flange of the right side of left side side, which are greater than or equal to, to be added
The width of heat pipe.A heating tube position limiting structure can be formed by this kind of structure, on lower fixed frame, lower fixed frame passes through to heating tube
It is limited, position of the temperature controller in heating tube can be further limited.The height of left side side and the flange on the side of the right is
2mm-4mm, preferably 3.4mm, with a thickness of 0.2mm-0.7mm, preferably 0.5mm.
Front middle part, the front two sides of lower fixed frame can be equipped with to upper overturning, to further limit the position of heating tube
It sets.
The rear of lower fixed frame is equipped with a route fixed plate, and route fixed plate one end connects lower fixed frame, and one end is upward, line
Road fixed plate is equipped with threading hole.Route fixed plate can be turned over by the rear side for being located at lower fixed frame, then be punched on it
String holes is formed.The height of route fixed plate is 10mm-19mm, preferably 16.5mm, width 10mm-15mm, preferably 12.6mm.
The power supply line of temperature controller is stretched out by threading hole.The aperture of threading hole is 3mm-5mm, preferably 4.2mm.
One corner of lower fixed frame is equipped with a curved opening, and curved opening is located at the side of route fixed plate, preferably right side.
To facilitate fair line, sharp line.
The height of the lower fixed frame of temperature controller is consistent with the height of metal silencer mechanism fixed plate.Thus by heating tube water
Placing flat improves the mounting stability of heating tube.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. metal PTC quick-electric-heating device, including an electric heater main body, the electric heater main body include that at least one is used for
The metal PTC heating tube of heating, which is characterized in that the heating tube is equipped with cooling fin；PTC is equipped in the heating tube to generate heat
Element；
The left end of the heating tube is equipped with a metal silencer mechanism, and the metal silencer mechanism includes a fixed plate, a fixed branch
Frame, described fixed bracket one end connect the fixed plate, and the other end is directed away from the direction of the fixed plate；
The fixed bracket is equipped with the fixed opening of at least one heating tube, is respectively open arranged side by side, the aperture of the opening
Not less than the outer diameter of heating tube；
Any end of the fixed plate is equipped with upward flange, and the outside of the flange is equipped with collets.
2. metal PTC quick-electric-heating device according to claim 1, which is characterized in that have at least one on the cooling fin
A through-hole, the cooling fin are covered in the heating tube by the through-hole and are in close contact with the heating tube；The through-hole
It is consistent with the number of the heating tube.
3. metal PTC quick-electric-heating device according to claim 1, which is characterized in that the heating tube includes a tube body,
Electric heating wire, magnesia powder are equipped in the tube body, the tube body both ends are equipped with silica gel plug, and the tube body is matched with the silica gel plug
Sealing device is equipped at conjunction.
4. metal PTC quick-electric-heating device according to claim 1, which is characterized in that the fixed bracket is equipped with two
A opening, the opening are equipped with bracing ring, and the thickness of the bracing ring is greater than the support bracket fastened thickness.
5. metal PTC quick-electric-heating device according to claim 4, which is characterized in that there are two fixed brackets, respectively
First fixed bracket, the second fixed bracket, the first fixed bracket, the second fixed bracket are successively arranged；First fixed branch is provided with
Backwards, the other side is facing forward for the side of bracing ring；The side that second fixed branch is provided with bracing ring is facing forward, and the other side is backwards.
6. metal PTC quick-electric-heating device according to claim 1, which is characterized in that the fixed bracket at least two
A, each fixed bracket is respectively positioned on the inside of the flange, and the same side of the fixed plate is mounted on the flange.
7. metal PTC quick-electric-heating device according to claim 1, which is characterized in that the electric heater main body includes
One metal PTC heating tube temperature mechanism for monitoring, the metal PTC heating tube temperature mechanism for monitoring include one for limiting described add
The temperature controller of heat pipe temperature, the temperature sensor of the temperature controller are contacted with the heating tube, and the heating tube passes through the temperature
It controls device and connects power supply circuit.
8. metal PTC quick-electric-heating device according to claim 7, which is characterized in that the temperature controller is located at described add
The right part of heat pipe, the right part of the heating tube are additionally provided with a peace for being fixed on temperature controller in metal PTC heating tube
Fill bracket；
The mounting bracket includes upper holder, lower fixed frame, any one in fixed frame or the lower fixed frame
It is equipped with an inserted sheet, for the temperature controller between fixed frame, the lower fixed frame, the inserted sheet resists the temperature control
Device.
9. metal PTC quick-electric-heating device according to claim 8, which is characterized in that be additionally provided on the lower fixed frame
For limiting left limit mechanism, the right limit mechanism of the temperature controller side-to-side movement, the left limit mechanism is located at the inserted sheet
Left side, the right limit mechanism is located at the right side of the inserted sheet, between the left limit mechanism, the right limit mechanism most
Small distance is greater than or equal to the width of the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038010.4A CN104812112B (en) | 2014-01-26 | 2014-01-26 | Metal PTC quick-electric-heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038010.4A CN104812112B (en) | 2014-01-26 | 2014-01-26 | Metal PTC quick-electric-heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104812112A CN104812112A (en) | 2015-07-29 |
| CN104812112B true CN104812112B (en) | 2019-03-26 |
Family
ID=53696449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410038010.4A Active CN104812112B (en) | 2014-01-26 | 2014-01-26 | Metal PTC quick-electric-heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104812112B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682267A (en) * | 2015-11-30 | 2016-06-15 | 芜湖恒美电热器具有限公司 | PTC heater with high-voltage wire fixing structure |
| CN108773143A (en) * | 2018-06-21 | 2018-11-09 | 江苏鸿华特种装备有限公司 | Sheet combining machine structure |
| CN109714840B (en) * | 2019-03-01 | 2024-05-24 | 佛山市百斯特电器科技有限公司 | Household appliance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431838A (en) * | 2008-12-04 | 2009-05-13 | 常熟通富电子有限公司 | Positive temperature coefficient thermistor heating module |
| CN202374475U (en) * | 2011-11-29 | 2012-08-08 | 李杏宜 | Heating tube support frame |
| CN203225900U (en) * | 2013-06-14 | 2013-10-02 | 上海华族实业有限公司 | Metal ptc electric heating pipe assembly |
| CN103458541A (en) * | 2012-12-18 | 2013-12-18 | 上海华族实业有限公司 | Motor heat pipe assembly with wound cooling fins |
-
2014
- 2014-01-26 CN CN201410038010.4A patent/CN104812112B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431838A (en) * | 2008-12-04 | 2009-05-13 | 常熟通富电子有限公司 | Positive temperature coefficient thermistor heating module |
| CN202374475U (en) * | 2011-11-29 | 2012-08-08 | 李杏宜 | Heating tube support frame |
| CN103458541A (en) * | 2012-12-18 | 2013-12-18 | 上海华族实业有限公司 | Motor heat pipe assembly with wound cooling fins |
| CN203225900U (en) * | 2013-06-14 | 2013-10-02 | 上海华族实业有限公司 | Metal ptc electric heating pipe assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104812112A (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2541915A1 (en) | Electric oven | |
| CN104812112B (en) | Metal PTC quick-electric-heating device | |
| JP6127205B2 (en) | Defroster and vehicle | |
| CN210668342U (en) | Radiator and radiating structure of semiconductor power module | |
| CN218669526U (en) | Motorcycle exhaust gas exhaust pipe with scald-proof device | |
| CN104902597A (en) | High-energy-efficiency metal PTC rapid electric heater | |
| CN210640087U (en) | Dampproofing transformer for street lamp | |
| CN209747334U (en) | Capacitor with good heat dissipation effect | |
| CN207801252U (en) | A kind of control cabinet based on wireless network | |
| CN210432265U (en) | Heat radiation structure of high-heating graphene | |
| CN212462565U (en) | Transformer substation protection device management and control equipment | |
| CN203560984U (en) | Far-infrared radiation electric heater | |
| CN208338182U (en) | A kind of novel electron cooling fin | |
| CN112594964A (en) | Flat-plate sleeve type nitrogen cooling device | |
| CN206555737U (en) | A kind of segmented irradiating lamp structure | |
| CN216212754U (en) | LED lamp transformer structure with explosion-proof function | |
| CN209675111U (en) | A kind of hierarchical antidetonation vehicle power capacitor device | |
| CN205681754U (en) | Exchange type power | |
| CN220138502U (en) | Series-parallel battery box for grouping cylindrical batteries | |
| CN210722666U (en) | Low-voltage high-power transformer heat abstractor | |
| CN114364071B (en) | Energy-saving semiconductor electric heating tube | |
| CN209949764U (en) | Device for eliminating ferromagnetic resonance | |
| CN211456925U (en) | Direct current motor with good heat dissipation performance | |
| CN213693078U (en) | Bus duct capable of being safely used in high-temperature environment | |
| CN214154267U (en) | Tricycle motor with heat abstractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170309 Address after: 241000 Anhui city of Wuhu province Jiujiang Economic Development Zone prosperous road No. 19 Applicant after: WUHU HUAZU ENVIRONMENTAL TECHNOLOGY CO.,LTD. Address before: 201404 Shanghai city Fengxian District Jinhui town Pu Xing Road No. 5518 Applicant before: SHANGHAI HUAZU INDUSTRIAL Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Combined type metal PTC (positive temperature coefficient) rapid electric heater Effective date of registration: 20200428 Granted publication date: 20190326 Pledgee: Wuhu Jiujiang sub branch of Huishang Bank Co.,Ltd. Pledgor: WUHU HUAZU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2020330000202 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210901 Granted publication date: 20190326 Pledgee: Wuhu Jiujiang sub branch of Huishang Bank Co.,Ltd. Pledgor: WUHU HUAZU ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2020330000202 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Metal PTC fast electric heater Granted publication date: 20190326 Pledgee: China Postal Savings Bank Co.,Ltd. Wuhu Fanchang District Branch Pledgor: WUHU HUAZU ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2024980010158 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |