CN104270843A - Nonmetal inner spraying type electric heating tube - Google Patents

Nonmetal inner spraying type electric heating tube Download PDF

Info

Publication number
CN104270843A
CN104270843A CN201410468949.4A CN201410468949A CN104270843A CN 104270843 A CN104270843 A CN 104270843A CN 201410468949 A CN201410468949 A CN 201410468949A CN 104270843 A CN104270843 A CN 104270843A
Authority
CN
China
Prior art keywords
glass tube
ring
electric heating
lead
type electric
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.)
Granted
Application number
CN201410468949.4A
Other languages
Chinese (zh)
Other versions
CN104270843B (en
Inventor
钱光耀
解钟
李文良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHENJIANG DONGFANG ELECTRIC HEATING CO Ltd
Original Assignee
ZHENJIANG DONGFANG ELECTRIC HEATING CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHENJIANG DONGFANG ELECTRIC HEATING CO Ltd filed Critical ZHENJIANG DONGFANG ELECTRIC HEATING CO Ltd
Priority to CN201410468949.4A priority Critical patent/CN104270843B/en
Publication of CN104270843A publication Critical patent/CN104270843A/en
Application granted granted Critical
Publication of CN104270843B publication Critical patent/CN104270843B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Resistance Heating (AREA)

Abstract

The invention relates to heating elements for heating liquid, in particular to a nonmetal inner spraying type electric heating tube. The nonmetal inner spraying type electric heating tube comprises a glass tube with an upper closed end and a lower open end, a segment of columnar inner wall of the glass tube is sprayed with a layer of electrothermal film, electrodes are arranged at the upper end and the lower end of the electrothermal film respectively, the electrodes at the two ends are connected with outgoing lines respectively, and the outgoing lines penetrate through a sealing component sealed in an opening in the lower end and stretch out of the glass tube. The electrothermal film is sprayed to the inner wall of the glass tube, the inner wall of the glass tube is adopted as a heat exchange face in contact with the heated liquid, therefore, a large amount of liquid can be heated, heating efficiency is high, the structure is simple, mounting is convenient, and insulation safety is good.

Description

Nonmetal internal spray type electric heating tube
Technical field
The present invention relates to the electrical heating elements for heating liquid, specifically a kind of nonmetal internal spray type electric heating tube.
Background technology
Common electrical heating elements such as electrothermal tube etc. adopts metal shell usually, there is many drawbacks when using it for the devices such as water dispenser, the deficiency of outstanding behaviours in fail safe reliability.It hinders the development of the products such as the Instant heating type commercial water heating device of instant heating type drinking machine.The mode of heating of current also paid non-metal tubular electric heating element on probation, as: carbon fiber quartz pipe; Heating wire quartz ampoule etc., but due to heating technique, manufacturing process, many reasons such as contour structures are all not suitable as liquid heating element.The outer surface of quartz glass tube sprays the heater element existing use at home of Electric radiant Heating Film, but also reluctantly for the heating of a small amount of liquid, the use needs meeting Large Copacity water heater can only be difficult to for above-mentioned reasons.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and can heat Large Copacity liquid, the efficiency of heating surface is high, fail safe is good nonmetal internal spray type electric heating tube.
Nonmetal internal spray type electric heating tube of the present invention comprises the glass tube of a upper end closed lower ending opening, one section of cylindrical inner wall of glass tube is coated with one deck Electric radiant Heating Film, the upper/lower terminal of Electric radiant Heating Film is respectively arranged with electrode, the electrode at two ends connects lead-out wire respectively, and lead-out wire extend out to outside glass tube through the seal member being sealed in lower ending opening.
Lead-out wire in glass tube can be connected with overtemperature prote element (as fuse).Lead-out wire in glass tube also can be connected with recoverable temperature controller.
Described seal member comprises the seal receptacle that is sealed on glass tube lower end, seal receptacle center has the through hole of drawing for lead-out wire, seal receptacle epimere is one section of sealing shroud being enclosed within glass tube lower end, sealing shroud upper end is connected a trim ring, is pressed with the first sealing ring in the space between trim ring lower surface, sealing shroud inwall, seal receptacle upper surface and glass tube outer wall; The lower end of seal receptacle central through hole is provided with the second sealing ring, and the second sealing ring is compressed by the Wire crimping cap being connected to seal receptacle lower end; Described lead-out wire is through the second sealing ring and Wire crimping cap.
Described electrode includes: the electrode film formed by silk screen printing at Electric radiant Heating Film two ends and the coupling assembling with electrode film conductive contact; Described coupling assembling comprises the elastic ring of the annular that a flexible material is made, and the annular matrix of elastic ring is wound with the conductive filament on densely covered elastic ring surface; Have the compressing tablet of a pair circle to be pressed in elastic ring from the inner ring two ends of elastic ring respectively, the contact-making surface of compressing tablet and elastic ring inner ring is the conical surface; Connected by the bolt of axial cross-under between two compressing tablets and compress, the outside distending in outer ring of elastic ring is also pressed on electrode film.
Described lead-out wire is connected on compressing tablet.
Electric radiant Heating Film is sprayed on glass tube inwall by the present invention, and make glass tube outer wall as with by heating liquid contact heat-exchanging face, thus can heat Large Copacity liquid, and the efficiency of heating surface is high, structure is simple, easy for installation, insulation safety good; The electrode of special construction can carry out conduction with Electric radiant Heating Film and be connected in the small space of glass tube inwall, and it is easy to operate, connection is reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the electrode structure schematic diagram of the embodiment of the present invention.
Embodiment
As shown in Figure 1, this nonmetal internal spray type electric heating tube comprises the glass tube 1 of a upper end closed lower ending opening, one section of cylindrical inner wall of glass tube 1 is coated with one deck Electric radiant Heating Film 2, the upper/lower terminal of Electric radiant Heating Film is respectively arranged with electrode 3, the electrode at two ends connects lead-out wire 4 respectively, and lead-out wire extend out to outside glass tube through the seal member 7 being sealed in lower ending opening.Lead-out wire 4 in glass tube 1 can be connected with overtemperature prote element 5(as fuse).Lead-out wire in glass tube also can be connected with recoverable temperature controller 6.
Described seal member comprises the seal receptacle 71 that is sealed on glass tube lower end, seal receptacle 71 center has the through hole of drawing for lead-out wire, seal receptacle 71 epimere is one section of sealing shroud 72 being enclosed within glass tube lower end, sealing shroud 72 upper end is connected a trim ring 73, is pressed with the first sealing ring 74 in the space between trim ring 73 lower surface, sealing shroud 72 inwall, seal receptacle 71 upper surface and glass tube 1 outer wall; The lower end of seal receptacle 71 central through hole is provided with the second sealing ring 75, second sealing ring and is compressed by the Wire crimping cap 76 being connected to seal receptacle lower end; Described lead-out wire 4 is through the second sealing ring 75 and Wire crimping cap 76.
As shown in Figure 2, described electrode 3 includes: the electrode film 31 formed by silk screen printing at Electric radiant Heating Film 2 two ends and the coupling assembling with electrode film conductive contact; Described coupling assembling comprises the elastic ring 32 of the annular that a flexible material is made, and the annular matrix of elastic ring is wound with the conductive filament 33 on densely covered elastic ring surface; Have the compressing tablet 34 of a pair circle to be pressed in elastic ring from the inner ring two ends of elastic ring 32 respectively, compressing tablet 34 is the conical surface with the contact-making surface of elastic ring inner ring; Connected by the bolt 35 of axial cross-under between two compressing tablets 34 and compress, the outside distending in outer ring of elastic ring 32 makes the conductive filament 33 in outside be pressed on electrode film 31.Lead-out wire 4 is connected on compressing tablet 34.

Claims (6)

1. a nonmetal internal spray type electric heating tube, it is characterized in that: it comprises the glass tube (1) of a upper end closed lower ending opening, one section of cylindrical inner wall of glass tube 1 is coated with one deck Electric radiant Heating Film (2), the upper/lower terminal of Electric radiant Heating Film is respectively arranged with electrode (3), the electrode at two ends connects lead-out wire (4) respectively, and lead-out wire extend out to outside glass tube through the seal member being sealed in lower ending opening.
2. nonmetal internal spray type electric heating tube according to claim 1, is characterized in that: the lead-out wire (4) in glass tube (1) is connected with overtemperature prote element (5).
3. nonmetal internal spray type electric heating tube according to claim 1, is characterized in that: the lead-out wire in glass tube (1) is connected with recoverable temperature controller (6).
4. nonmetal internal spray type electric heating tube according to claim 1, it is characterized in that: described seal member comprises the seal receptacle (71) that is sealed on glass tube lower end, seal receptacle (71) center has the through hole of drawing for lead-out wire, seal receptacle (71) epimere is one section of sealing shroud (72) being enclosed within glass tube lower end, sealing shroud (72) upper end is connected a trim ring (73), in trim ring (73) lower surface, sealing shroud (72) inwall, the first sealing ring (74) is pressed with in space between seal receptacle (71) upper surface and glass tube (1) outer wall, the lower end of seal receptacle (71) central through hole is provided with the second sealing ring (75), and the second sealing ring is compressed by the Wire crimping cap (76) being connected to seal receptacle lower end, described lead-out wire (4) is through the second sealing ring (75) and Wire crimping cap (76).
5. nonmetal internal combustion electric heating tube according to claim 1, is characterized in that: described electrode (3) includes the electrode film (31) and the coupling assembling with electrode film conductive contact that are formed by silk screen printing at Electric radiant Heating Film (2) two ends; Described coupling assembling comprises the elastic ring (32) of the annular that flexible material is made, and the annular matrix of elastic ring is wound with the conductive filament (33) on densely covered elastic ring surface; Have the compressing tablet of a pair circle (34) to be pressed in elastic ring from the inner ring two ends of elastic ring (32) respectively, compressing tablet (34) is the conical surface with the contact-making surface of elastic ring inner ring; Connected by the bolt (35) of axial cross-under between two compressing tablets (34) and compress, the outside distending in outer ring of elastic ring (32) makes the conductive filament (33) in outside be pressed on electrode film (31).
6. nonmetal internal spray type electric heating tube according to claim 5, is characterized in that: described lead-out wire (4) is connected on compressing tablet (34).
CN201410468949.4A 2014-09-16 2014-09-16 Nonmetal internal spray type electric heating tube Expired - Fee Related CN104270843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410468949.4A CN104270843B (en) 2014-09-16 2014-09-16 Nonmetal internal spray type electric heating tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410468949.4A CN104270843B (en) 2014-09-16 2014-09-16 Nonmetal internal spray type electric heating tube

Publications (2)

Publication Number Publication Date
CN104270843A true CN104270843A (en) 2015-01-07
CN104270843B CN104270843B (en) 2016-06-08

Family

ID=52162306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410468949.4A Expired - Fee Related CN104270843B (en) 2014-09-16 2014-09-16 Nonmetal internal spray type electric heating tube

Country Status (1)

Country Link
CN (1) CN104270843B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105097156A (en) * 2015-08-03 2015-11-25 成都顺康电子有限责任公司 Aerospace high-reliability thermistor
CN105992414A (en) * 2015-01-29 2016-10-05 青岛经济技术开发区海尔热水器有限公司 Glass tube heater and electric water heater
CN111200880A (en) * 2020-01-08 2020-05-26 北京天韵太阳科技发展有限公司 Nonmetal water-electricity separation type multi-electrode electric heating film tube and application
CN111447701A (en) * 2019-12-31 2020-07-24 中热科技(宁波)有限公司 Two-way type internal spraying quartz heating pipe with water leakage protection function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11176564A (en) * 1997-10-07 1999-07-02 Ariake Serako Kk Immersed heater for molten metal
CN101674687A (en) * 2008-09-08 2010-03-17 崔成哲 Inner membrane tubular electrothermal device and production method
CN203446046U (en) * 2013-07-12 2014-02-19 罗日良 Novel electric heating tube
CN203446047U (en) * 2013-07-12 2014-02-19 罗日良 Novel electric heating tube
CN204334991U (en) * 2014-09-16 2015-05-13 镇江东方电热科技股份有限公司 Nonmetal internal spray type electric heating tube

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11176564A (en) * 1997-10-07 1999-07-02 Ariake Serako Kk Immersed heater for molten metal
CN101674687A (en) * 2008-09-08 2010-03-17 崔成哲 Inner membrane tubular electrothermal device and production method
CN203446046U (en) * 2013-07-12 2014-02-19 罗日良 Novel electric heating tube
CN203446047U (en) * 2013-07-12 2014-02-19 罗日良 Novel electric heating tube
CN204334991U (en) * 2014-09-16 2015-05-13 镇江东方电热科技股份有限公司 Nonmetal internal spray type electric heating tube

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105992414A (en) * 2015-01-29 2016-10-05 青岛经济技术开发区海尔热水器有限公司 Glass tube heater and electric water heater
CN105097156A (en) * 2015-08-03 2015-11-25 成都顺康电子有限责任公司 Aerospace high-reliability thermistor
CN111447701A (en) * 2019-12-31 2020-07-24 中热科技(宁波)有限公司 Two-way type internal spraying quartz heating pipe with water leakage protection function
CN111200880A (en) * 2020-01-08 2020-05-26 北京天韵太阳科技发展有限公司 Nonmetal water-electricity separation type multi-electrode electric heating film tube and application
CN111200880B (en) * 2020-01-08 2024-08-06 北京天韵太阳科技发展有限公司 Non-metal water-electricity separation type multipolar electrothermal film tube and application thereof

Also Published As

Publication number Publication date
CN104270843B (en) 2016-06-08

Similar Documents

Publication Publication Date Title
CN104270843A (en) Nonmetal inner spraying type electric heating tube
CN205408192U (en) Nanometer electrothermal tube
CN204334991U (en) Nonmetal internal spray type electric heating tube
CN206041421U (en) Insulation tubular busbar end connecting device based on a mouthful elastic force rises
CN109392202B (en) Electric heater with scale inhibition surface made of electric insulating material
CN103442468A (en) Immersion type non-metallic electric heating tube for liquid
CN201369839Y (en) Self-temperature-control heating integrated armored electric heater
CN204131743U (en) The electrode pulling device of interior spraying electric heating tube
CN101674687B (en) Inner membrane tubular electrothermal device and production method
CN203215985U (en) Non-contact electric heating circulating system
CN202503683U (en) Water and electricity separated electric heater
WO2015062338A1 (en) Heating apparatus
CN104754785A (en) Detachable spiral radiation heating tube
CN212277435U (en) Insulated cable connector
CN204201853U (en) A kind of small steam equipment heat generating core device
CN102824114B (en) Liquid heater
CN203464502U (en) Heating device of electric water heater
CN208405851U (en) Water cannon heater
CN105657880A (en) Four-electrode co-fired ceramic heating rod
CN204026963U (en) Electric radiant Heating Film internal spray type liquid electric heater
CN205754900U (en) Electric heater terminal structure
CN204394225U (en) The vehicle-mounted hot water cup inner bag of a kind of electrothermal membrane type
CN104735831A (en) Non-metal inner spray tube electric heater
CN210989745U (en) Heating device
CN201992802U (en) Heating device of foot bath device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608