CN203443083U - Cold water pre-heating type heating body - Google Patents
Cold water pre-heating type heating body Download PDFInfo
- Publication number
- CN203443083U CN203443083U CN201320303328.1U CN201320303328U CN203443083U CN 203443083 U CN203443083 U CN 203443083U CN 201320303328 U CN201320303328 U CN 201320303328U CN 203443083 U CN203443083 U CN 203443083U
- Authority
- CN
- China
- Prior art keywords
- heating
- water
- heat
- heating tube
- pipe
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000576 coating method Methods 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010453 quartz Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000003708 ampul Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000009841 combustion method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Resistance Heating (AREA)
Abstract
A cold water pre-heating type heating body comprises a heating pipe, a water outlet pipe and an electrode clamp, wherein the heating pipe is a quartz pipe, the outer surface is coated with an electrothermal coating, two ends of the electrothermal coating are coated with electrodes, the electrode clamp is clamped on the electrode, and the heating pipe and the water outlet pipe are connected. The heating body is characterized in that: the heating pipe is arranged in a radiating shell, the radiating shell comprises at least one heating chamber and a preheating chamber, both ends of the heating pipe are fixed in the heating chamber of the radiating shell by a seal ring, a water inlet of the preheating chamber is communicated with a water inlet pipe, and a water outlet of the preheating chamber is communicated with the heating pipe. The cold water pre-heating type heating body in a compact structure is convenient to assemble. The cold water preheating way is used, so that the thermal radiation from the heating pipe is collected to preheat the water, the energy source is saved, the heat power is increased, the temperature rise problem of the heating pipe is effectively solved, the power density of the electrothermal film is increased, and the size of the heating pipe is reduced.
Description
Technical field
The utility model relates to a kind of heater element, particularly the pre-heated calandria of a kind of water-cooled.
Background technology
Quartz electrothermal tube is being widely used as heater element on instantaneous water heater and hot-water bottle.Its heating element heater is as patent No. CN03225162.9 " quick-heating type electric water heater heating tube assembly ".Its structure is for being one or more quartz glass tube, be inserted between upper and lower guiding gutter, the two ends of quartz glass tube outer surface scribble ag paste electrode, between two electrodes, be coated with Electric radiant Heating Film, after two electrifying electrodes, electric heating film for heating, by the conduction of quartz glass tube heat, heats the current by glass tube rapidly.
The electrothermal tube of this structure is arranged in the metal fixed mount of a ground connection on product; this metal fixed mount plays the effect of supporting and protecting to electrothermal tube; temperature-sensitive element is arranged on metal fixed mount; measure electrothermal tube surface temperature; when anhydrous in pipe; holding circuit is cut off heating power supply automatically, prevents electrothermal tube dry combustion method, causes damage.
Because electrothermal tube heats by quartz ampoule heat exchange pattern, Electric radiant Heating Film is positioned at the outer surface of quartz glass tube, during work, temperature is up to more than 200 degree, and electrothermal tube is a large amount of heat radiations to the external world, and thermal losses is serious, waste electric energy, and this heat radiation causes again water heater or hot-water bottle inner member and shell heat ageing, reduce its service life, for reducing thermal-radiating infringement, need to adopt heat resistance material to inner member, improve cost; Or reserve larger isolation and heat-dissipating space, increased again small product size.
Because the heat radiation problem of heating coating is difficult to solve, so the thermal power density of electro-thermal coatings can not be too high, caused high power electrothermal pipe volume very large, and cost is high.
Another problem is when quartz ampoule breaks, and due to not sealing of electrothermal tube, can cause the electric leakage of leaking, and has potential safety hazard.
For addressing the above problem, my company has researched and developed " surplus heat collection device of boiled water machine water heater ", the patent No. is CN201220501849.3, outside Electric radiant Heating Film, surround a heat-conducting layer, the outer heat of surrounding of heat-conducting layer is collected flowing water chamber, and the upper end that heat is collected flowing water chamber is connected to again the water inlet of Electric water heating pipe low side by a remaining hot water collecting pipe, realize and utilize circulating water to absorb electrothermal tube heat radiation, and flow water realizes preheating, played the object that improves heat utilization efficiency.But this small product size is large, complex structure, is not easy to install, and is also difficult to realize the effect of multitube parallel, and waste heat water pipe in the process of backwater again by a part of heat loss in air, still there is heat waste; And in this structure because Electric radiant Heating Film is surrounded by several layers of heat-conducting layer and flowing water layer outward, temperature detector can only be measured near variations in temperature preheating collecting pipe, can not directly touch near the variations in temperature of Electric radiant Heating Film, response speed is slow, while therefore there is dry-fire condition, can not cut off the electricity supply rapidly, easily cause electrothermal tube to damage.
The patent No. 201220520169.6 " a kind of Novel electric heating water device " and for example, it has insulation tube at heating tube overcoat, water filling between insulation tube and cooled enclosure, water body enters heat-generating pipe heating after insulation tube outer wall again, to absorb heat.In this patent, because heat-generating pipe and insulation tube are surrounded by water body completely, therefore cannot install the variations in temperature of temperature detector perception heat-generating pipe additional, in heat-generating pipe, during lack of water, can not automatically cut off heating power supply, easily cause heat-generating pipe to damage.And heat-generating pipe is under water, easily leaks, and causes heat-generating pipe short circuit, causes fault, security is bad.
Summary of the invention
Technical problem to be solved in the utility model: a kind of compact conformation, the pre-heated calandria of adaptability water-cooled good, easy for installation, safety durable are provided.
The technical scheme in the invention for solving the above technical problem is: the pre-heated calandria of a kind of water-cooled, comprise heating tube, outlet pipe, electrode clip, heating tube is quartz ampoule, its outer surface is coated with electro-thermal coatings, electro-thermal coatings two ends scribble electrode, electrode card hoop clip is on electrode, heating tube is connected with outlet pipe, it is characterized in that: described heating tube is arranged in heat-dissipating casing, heat-dissipating casing comprises at least one heating chamber and preheating cavity, the two ends of heating tube are fixed in the heating chamber of heat-dissipating casing by sealing ring, the water inlet of preheating cavity communicates with water inlet pipe, the delivery port of preheating cavity communicates with heating tube.
When only having a heating tube to be connected with preheating cavity, the tube connector that described heating tube is connected with preheating cavity is U-shaped.
Described sealing ring coordinates with heat-dissipating casing, and the electro-thermal coatings of heating tube is partly sealed in heating chamber.
Between the electro-thermal coatings of described heating tube and the inwall of heating chamber, leave the gap of 2mm-5mm.
The outer surface of described heat-dissipating casing has a plane (63), posts temperature controller in plane.
Described heat-dissipating casing adopts the good metal manufacture of heat conductivility.
Described heat-dissipating casing ground connection.
Compared with prior art, the utility model has the advantage of: the mode of utilizing preheating cold water, collect the heat radiation that heating tube outwards distributes, water is carried out to preheating, both save the energy, improved the thermal efficiency, effectively solved again the problem of heating tube temperature rise, can strengthen the power density of Electric radiant Heating Film, reduce heating tube volume.The utility model compact conformation, easy for installation.Can also adopt many group heating tube array distribution structures, further reduce heating tube length.
Common quartz glass tube electro-thermal coatings formula heating tube, because operating temperature is high, can cause damage to electro-thermal coatings, and heating efficiency (being thermal power) declines gradually.In national standard, stipulate, heating tube was used after 1000 hours, and thermal power decay should be less than 10%.Increased after water-cooled preheating structure, operating temperature reduces greatly, and after 1000 hours, thermal power decays lower than 2%, the longer service life of heating tube.
Accompanying drawing explanation
The stereogram of Fig. 1, embodiment mono-.
Fig. 2, embodiment mono-part explosive view.
The stereogram of heat-dissipating casing in Fig. 3, embodiment mono-.
The stereogram of improved radiating shell in Fig. 4, embodiment mono-.
The stereogram of Fig. 5, embodiment bis-(tube connector does not draw).
The stereogram of the heat-dissipating casing of Fig. 6, embodiment tri-.
The specific embodiment
As shown in the figure, embodiment mono-is the pre-heated calandria of single hose water-cooled, the pre-heated calandria of water-cooled that embodiment bis-is double pipe structure, and embodiment tri-is the pre-heated calandria of water-cooled (being illustrated as four tubular types) of multitube structure.
Below in conjunction with accompanying drawing, enforcement of the present utility model is further described: the pre-heated calandria of a kind of water-cooled, is comprised of outlet pipe 1, electrode clip 2, sealing ring 3, water inlet pipe 4, heat-dissipating casing 6, heating tube 7, temperature controller 8, tube connector 9.
Described heating tube 7 is quartz ampoule, water flowing in pipe, and outer surface is coated with electro-thermal coatings 72, and electro-thermal coatings two ends scribble electrode 71, and electrode is ag paste electrode.Electrode clip 3 is stuck on electrode 71, and electrode clip, as Connection Element, is connected with heater circuit.
The two ends of heating tube are also overlapped sealing ring 3, and sealing ring is that silica gel or plastics are made.Sealing ring is fixed on heating tube in the heating chamber 61 of heat-dissipating casing 6, and the electro-thermal coatings of heating tube 72 is sealed.Between the electro-thermal coatings of heating tube and heat-dissipating casing, leave the gap of 2.5mm, prevent electro-thermal coatings electric leakage.
Heat-dissipating casing 6 is made by the good metal of thermal conductivity, as pure aluminum material and aluminum alloy materials.There are heating chamber 61 and preheating cavity 62 in heat-dissipating casing inside.
The water inlet of preheating cavity is connected with water inlet pipe 4, and the other end is connected with heating tube 7 by tube connector 9.Tube connector 9 is U-shaped pipe.
The outer surface of heat-dissipating casing has a plane 63, and temperature controller 8 is installed in plane, and the outer wall that temperature controller is positioned at heating chamber directly contacts, and monitors the variations in temperature of heat-dissipating casing.When there is dry combustion method, the temperature of heat-dissipating casing can raise rapidly, and temperature controller is made response at once, cuts off heating power supply.
During use, water enters preheating cavity from water inlet, absorbs the thermal-radiating heat of heating tube, then is entered in heating tube and heated by tube connector, finally by outlet pipe, flows out.The heat radiation that heating tube constantly outwards distributes, is absorbed by heat-dissipating casing and transfers heat to preheating cavity, and the heat in preheating cavity is absorbed by cold water rapidly, plays pre-heat effect.Reduce heat loss, improved the efficiency of heating surface.
Heat-dissipating casing 6 ground connection, and be connected with leakage protection circuit.If heating tube breaks, the water the oozing out cavity sealing that also sealed circle and heat-dissipating casing form, can not ooze out.Leakage protection circuit starts simultaneously, cuts off heating power supply, and electric leakage prevents from leaking.
Figure 4 shows that improved radiating shell 5, its effect is equal to the heat-dissipating casing 6 in Fig. 1, and improved radiating shell is modified into three bread by preheating cavity 52 and encloses heating chamber 51, and remaining one side is plane 53, for temperature controller 8 is installed.Improved radiating shell, has increased the contact area of cold water and heating chamber, has improved radiating effect.For improving the intensity of heat-dissipating casing, in preheating cavity 52, increased reinforcement 54.On heat-dissipating casing, also increased fixedly muscle 55, fixedly on muscle, had screw thread, available bolt is fixed sealing shroud and heat-dissipating casing.
The pre-heated calandria of water-cooled that embodiment bis-is double pipe structure, has two cover heating tube and preheating cavities, can increase the water yield of hot water.Wherein electrode clip 2 ' is contact clip, and heat-dissipating casing 6 ' is double pipe structure, and preheating cavity is clipped in heating chamber, and sealing ring 3 ' is integral type structure, and two heating chambers are sealed together.
Preheating cavity in shown in Fig. 5, also can merge into one, after tank, then flows in heating tube, and the position of the preheating cavity after merging, between two heating chambers, can fully absorb the heat that heating tube outwards distributes.
Further, embodiment tri-is the pre-heated calandria of water-cooled of multitube structure, can further increase discharge.
The utility model, aspect the thermal efficiency, promotes obviously, and result of the test is as follows:
Under equal conditions, adopt the heating tube of every square centimeter of 18 watts of electro-thermal coatings, the water of room temperature 23 degree is heated to 98 degree, 145 milliliters of former common electrothermal tube water outlets in 1 minute of being unkitted the cold preheating structure of cold water, heating tube outside wall temperature reaches 240 degree.Q suction=145*4.186*(98-23)=45522 joule; Heating electric power is 953 watts, and put=953*60=57180 of Q joule, so the former heating tube thermal efficiency is 79.6%.
And with the double pipe structure described in embodiment bis-, equally the water of room temperature 23 degree is heated to 98 degree, water outlet in 1 minute reaches 375 milliliters, heat-dissipating casing temperature is 38 degree, Q inhales '=375*4.186*(98-23)=117731 joules, heating electric power is 2000W, and Q is put '=2000*60=12000 joule, the thermal efficiency reaches more than 98%.
This product is confirmed through overtesting, under equal heating power and same power density condition, common electrothermal tube surface temperature is up to more than 200 degree, and heat-dissipating casing surface temperature of the present utility model is only spent 40 more, electric heating conversion efficiency promotes obviously, good cooling results is particularly used on powerful water heater, and energy-saving effect is obvious.Adopt the heating tube of new construction, can be directly and the housing contacts of electric heating products, reduced instantaneous water heater's volume, reduced the holistic cost of water heater.
Claims (7)
1. the pre-heated calandria of water-cooled, comprise heating tube (7), outlet pipe (1), electrode clip (2), heating tube is quartz ampoule, its outer surface is coated with electro-thermal coatings (72), electro-thermal coatings two ends scribble electrode (71), electrode card hoop clip is on electrode, heating tube is connected with outlet pipe, it is characterized in that: described heating tube (7) is arranged in heat-dissipating casing (6), heat-dissipating casing comprises at least one heating chamber (61) and preheating cavity (62), the two ends of heating tube are fixed in the heating chamber of heat-dissipating casing by sealing ring (3), the water inlet of preheating cavity (62) communicates with water inlet pipe (4), the delivery port of preheating cavity communicates with heating tube.
2. the pre-heated calandria of water-cooled according to claim 1, is characterized in that: when only having a heating tube to be connected with preheating cavity, the tube connector that described heating tube is connected with preheating cavity is U-shaped.
3. the pre-heated calandria of water-cooled according to claim 1, is characterized in that: described sealing ring (3) coordinates with heat-dissipating casing (6), and the electro-thermal coatings of heating tube (7) (72) is sealed in heating chamber (61).
4. according to claim 1 or the pre-heated calandria of water-cooled claimed in claim 3, it is characterized in that: the gap of leaving 2mm-5mm between the electro-thermal coatings of described heating tube (72) and the inwall of heating chamber (61).
5. the pre-heated calandria of water-cooled according to claim 1, is characterized in that: the outer surface of described heat-dissipating casing (6) has a plane (63), posts temperature controller (8) in plane.
6. the pre-heated calandria of water-cooled according to claim 1, is characterized in that: described heat-dissipating casing (6) adopts the good metal manufacture of heat conductivility.
7. the pre-heated calandria of water-cooled according to claim 1, is characterized in that: described heat-dissipating casing (6) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303328.1U CN203443083U (en) | 2013-05-30 | 2013-05-30 | Cold water pre-heating type heating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320303328.1U CN203443083U (en) | 2013-05-30 | 2013-05-30 | Cold water pre-heating type heating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443083U true CN203443083U (en) | 2014-02-19 |
Family
ID=50094132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320303328.1U Expired - Fee Related CN203443083U (en) | 2013-05-30 | 2013-05-30 | Cold water pre-heating type heating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443083U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214932A (en) * | 2013-05-30 | 2014-12-17 | 宁波金阳光电热科技有限公司 | Water-cooling pre-heating heating body |
| CN105465998A (en) * | 2014-09-04 | 2016-04-06 | 宁波金阳光电热科技有限公司 | Preheating type electric heater used for recycling waste heat of vapor |
| CN105465997A (en) * | 2014-09-09 | 2016-04-06 | 宁波金阳光电热科技有限公司 | Heating body with water inlet loop air exhausting device |
-
2013
- 2013-05-30 CN CN201320303328.1U patent/CN203443083U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214932A (en) * | 2013-05-30 | 2014-12-17 | 宁波金阳光电热科技有限公司 | Water-cooling pre-heating heating body |
| CN104214932B (en) * | 2013-05-30 | 2017-11-17 | 宁波金阳光电热科技有限公司 | The pre-heated calandria of water cooling |
| CN105465998A (en) * | 2014-09-04 | 2016-04-06 | 宁波金阳光电热科技有限公司 | Preheating type electric heater used for recycling waste heat of vapor |
| CN105465997A (en) * | 2014-09-09 | 2016-04-06 | 宁波金阳光电热科技有限公司 | Heating body with water inlet loop air exhausting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104214932B (en) | The pre-heated calandria of water cooling | |
| CN203443083U (en) | Cold water pre-heating type heating body | |
| CN107642815A (en) | A kind of heater and heating system | |
| CN206905266U (en) | A kind of luminous energy DC potential hydrophone | |
| CN104833090A (en) | Water tank | |
| CN212227201U (en) | Heating module | |
| CN202853124U (en) | Waste heat collecting device of water boiler electric water heater | |
| CN204285598U (en) | Asymmetrical novel PTC convection electric heater | |
| CN102901206A (en) | A new type of electric water heater | |
| CN207569978U (en) | Interior heating outer circulation electric heater | |
| CN203215985U (en) | Non-contact electric heating circulating system | |
| CN205320310U (en) | High temperature anti -explosion electric heating | |
| CN207569979U (en) | Interior heating outer circulation electric heater | |
| CN106678943A (en) | Heating device and heating system | |
| CN204612166U (en) | The fast formula conductance hot oil boiler of a kind of collection | |
| CN201928457U (en) | Instant PTC (positive temperature coefficient) liquid heater | |
| CN102095246B (en) | Heating body of water heater | |
| CN205208910U (en) | Ptc liquid heater | |
| CN206160764U (en) | Copper radiator of multilayer conduction type | |
| CN214841627U (en) | Floor-type water-passing segmented heat-conducting light wave heating device common to various electric water heaters | |
| CN110207245A (en) | A kind of highly-safe electricity separation heated type electric heating furnace | |
| CN201945003U (en) | Heating element of water heater | |
| CN201828009U (en) | Water storage type water heater | |
| CN203560874U (en) | Vapor generator | |
| CN213362845U (en) | Graphene type water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO GOLDEN SUNSHINE ELECTRIC HEATING TECHNOLOGY Free format text: FORMER OWNER: NINGBO SUNLIGHT ELECTRICAL APPLIANCE CO., LTD. Effective date: 20140220 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140220 Address after: 315033 Ningbo, Jiangbei District, Zhejiang Jin Shan Road, No. 298 Patentee after: Ningbo Golden Sunshine Electric Heating Technology Co., Ltd. Address before: 315033 Ningbo, Jiangbei District, Zhejiang Jin Shan Road, No. 298 Patentee before: NINGBO SUNLIGHT ELECTRO-THERMAL SCIENCE & TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20180530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |