CN103068085A - Safe electric heater and manufacturing method thereof - Google Patents
Safe electric heater and manufacturing method thereof Download PDFInfo
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- CN103068085A CN103068085A CN2012105332894A CN201210533289A CN103068085A CN 103068085 A CN103068085 A CN 103068085A CN 2012105332894 A CN2012105332894 A CN 2012105332894A CN 201210533289 A CN201210533289 A CN 201210533289A CN 103068085 A CN103068085 A CN 103068085A
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Abstract
The invention discloses a safe electric heater and a manufacturing method thereof, and relates to a household electric heating tool, in particular to a safe electric liquid-heating tool with water and electricity separated. The problems that an existing electric liquid-heating tool is insulated and sealed independently in a single layer, so that hidden danger such as electricity leakage, scalding and fire disaster can happen easily are solved. Basic parts of the safe electric heater is an electrified coil (1), a soft iron core (2), a polycarbonate (PC) plastic protective sleeve (3), a thermoelectricity protector (4), a thermal cutoff (5), an outer sleeve (6), a nylon rope (7), a reed pipe (8), a sleeve pipe (9), a permanent magnet (10), a spring (11), an air-bleed hole (12), a power supply inserting hole (13), an epoxy resin protective layer (14) and a liquid leakage circuit breaker (15). According to the safe electric heater, the principle of the Lenz law is used, a liquid-electricity separated heating mode is used, and the danger of electricity leakage is avoided. The technologies of electric heating body overheating outage and liquid leakage outage are used, using safety of equipment is guaranteed, and the special safety standard of the international electrotechnical commission is met.
Description
Technical field:
Safety electric heater and preparation method thereof relates to a kind of domestic heater tool, particularly the safety electrothermal liquid appliance ad of a kind of water, electricity separation.The present invention meets two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
Background technology:
At present, existing various electric heating liquid appliance ads, individual layer independently insulated, individual layer is independent sealed, simple protective belonging to of having, and the electric heating body that has directly heats in liquid.The user, especially old user is because improper use, under "on" position, use the electric heating equipment (all to use electric heating body in it, such as the family expenses such as: electric hot-water bag, Electric apparatus for warming feet, electric heating cushion, heat be precious and similar applications electrical equipment etc.), in case electric heating equipment crust breaks for a certain reason, the liquid of conduction flows out, and very easily makes the people get an electric shock and be difficult to and saves oneself, the life danger that will get an electric shock.If connect electricity breaking or do not put in the situation of liquid, owing to lack overheated outage and leakage power-off protection, also serious scald even fire hazard can occur.
Be used for the electric heating body of working at liquid, most internal structures all is by heating wire, primary dielectric (such as high temperature oxidation resisting magnesium powder etc.) and tubular guidewire thermometal shell (for example aluminium, stainless steel etc.) composition.The electric heating physical efficiency of this structure satisfies basic electric heating requirement.But above-mentioned electric heating appliance causes electric leakage, scald and disaster hidden-trouble easily because of many factors.Do not meet two appliances among the International Power IEC60335-1 and the specific safety requirement among the IEC60335-2-81.
Summary of the invention:
The problem that solves:
For meeting in the above-mentioned international standard specific safety requirement to the family expenses such as electric hot-water bag, Electric apparatus for warming feet, electric heating cushion, heat be precious and similar applications electrical equipment, the safety electric heater, utilize the Lenz's law principle, the mode that adopts liquid, electricity to separate heats, and stops electric leakage danger.And adopt the overheated down techniques of electric heating body and leakage down techniques, stopped break or do not put into continue when connecing electricity in the situation of liquid heating may, eliminated and occured that above-mentioned reason causes scalding even the danger of fire.Guaranteed that equipment uses safety, meets the specific safety standard of International Power.Its concrete technical scheme is as follows:
Technical scheme:
Safety electric heater, its basic element of character is by hot-wire coil 1, soft iron core 2, PC plastic protective sleeve 3, be thermoelectric protector 4, Thermal Cutoffs 5, overcoat 6, nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, air vent 12, supply hub 13, epoxy resin protective layer 14, leakage circuit breaker 15 forms, its connected mode is: soft iron core 2 is inserted and is fixed in the hollow cylinder that hot-wire coil 1 that epoxy resin coats forms, PC plastic protective sleeve 3 is wrapped in hot-wire coil 1 integral outer that above-mentioned epoxy resin of inserting soft iron core 2 coats, the epoxy resin protective layer 14 outer stationary heat non-electricity protectors 4 that forming, Thermal Cutoffs 5, leakage circuit breaker 15, air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6; The live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, and the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path.
Wherein above-mentioned leakage circuit breaker 15 mainly is comprised of nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, its connected mode is: sleeve pipe 9 is fixed on the center of top position in the leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the bottom center position in the leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10 and nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8.
Need to prove:
Hot-wire coil 1 recited above is the enamelled wire of 0.13mm for diameter, and it twines the number of turn is 1100 circles-1300 circles, and the inside and outside diameter of hot-wire coil 1 is respectively 22mm and 36mm, and height is 16mm-18mm; The diameter of described soft iron core 2 is 22mm, and height is 40mm-45mm; The temperature control scope of described thermoelectric protector 4 is 45 ° of C-55 ° C; The temperature of described Thermal Cutoffs 5 is arranged on 55 ° of ℃ of-65 ° of C; The diameter of described permanent magnet 10 is 3mm, and height is 3mm; Described tongue tube 8 adopts normally closed type tongue tube 8, and it can be 1A by electric current.
The manufacture method of safety electric heater is: its basic element of character is by hot-wire coil 1, soft iron core 2, PC plastic protective sleeve 3, be thermoelectric protector 4, Thermal Cutoffs 5, overcoat 6, nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, air vent 12, supply hub 13, epoxy resin protective layer 14, leakage circuit breaker 15 forms, its connected mode is: soft iron core 2 is inserted and is fixed in the hollow cylinder that hot-wire coil 1 that epoxy resin coats forms, PC plastic protective sleeve 3 is wrapped in hot-wire coil 1 integral outer that above-mentioned epoxy resin of inserting soft iron core 2 coats, the epoxy resin protective layer 14 outer stationary heat non-electricity protectors 4 that forming, Thermal Cutoffs 5, leakage circuit breaker 15, air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6; The live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, and the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path.
Wherein above-mentioned leakage circuit breaker 15 mainly is comprised of nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, its connected mode is: sleeve pipe 9 is fixed on the center of top position in the leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the bottom center position in the leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10 and nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8.
Its manufacture method is: twining 1100 circles-1300 circle diameter at skeleton is the enamelled wire of 0.13mm, makes an inside and outside diameter and is respectively 22mm and 36mm, and height is the hot-wire coil 1 of the hollow cylinder shape of 16mm-18mm; Hot-wire coil 1 is dipped the epoxy resin liquation three times and toast dry at 240 ° of C; Be that 22mm, height are inserted in the hot-wire coil 1 for the soft iron core 2 of 40mm-45mm, and fixed with epoxy bond again with diameter; The hot-wire coil 1 whole epoxy sealing of also using that above-mentioned epoxy resin of inserting soft iron core 2 coats is fixed and coated to PC plastic protective sleeve 3 usefulness epoxy bond; The wire of hot-wire coil 1 is connected with the zero line that the output of thermoelectric protector 4 is connected with supply hub respectively, again this wire is drawn the position and fill with the epoxy resin protective layer 14 that the epoxy resin of upper good fluidity was sealed and formed main heater block; Sleeve pipe 9 sealings are fixed on the inner top middle position of leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the inner bottom part middle position of leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10, nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and prepares and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8; The epoxy resin protective layer 14 outer bonding thermoelectric protector 4, Thermal Cutoffs 5, the leakage circuit breaker 15 that are forming, the live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path, and the wire of each parts is drawn the position and equally all filled with the epoxy resin of good fluidity and sealed; Air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6.
According to required voltage (220 volts of alternating currents) and power (400500 watts) requirement, it is the enamelled wire of 0.13mm that hot-wire coil 1 adopts diameter, twines 1100 circles--1300 circle enamelled wires at skeleton, and hot-wire coil 1 forms a hollow cylinder.Its inside and outside diameter respectively is 22mm, 36mm, and height is 16mm18mm.Hot-wire coil 1 is inside and outside to be dipped three times with the epoxy resin liquation, again through after the 240 degree celsius temperature baking drying, is 22mm again with diameter, highly inserts in the hot-wire coil 1 for the soft iron core 2 of 40mm-45mm, and fix with epoxy bond.Wire is drawn the epoxy resin that upper good fluidity is filled with at the position, in order to sealing.So just, finished independent insulation, an electric heating body independent sealed, electricity separation that is formed by hot-wire coil 1, soft iron core 2, thermoelectric protector 4, Thermal Cutoffs 5, permanent magnet 10, normally closed type tongue tube 8, draw cord system.According to different temperature requirements (45 degrees centigrade-55 degrees centigrade), a built-in thermoelectric protector 4 reaches the temperature control requirement simultaneously.And a built-in Thermal Cutoffs 5(temperature is arranged on 55-65 degrees centigrade) so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated (temperature reaches more than 5565 degrees centigrade) owing to a variety of causes, guarantee the Electrical Safety of electric heating body.For preventing that safety hot-water bag from making the bag swelling fracture because of heating for multiple times, designed again a kind of: permanent magnet 10(diameter is 3, high 3mm), normally closed type tongue tube 8(can pass through the 1A electric current), draw cord system, so that bag is when adding thermal expansion, the permanent magnet 10 that the bag upper surface spurs under it makes progress and close tongue tube 8 lower ends, normally closed type tongue tube 8 normally closed interlocks are disconnected, make hot-wire coil 1 outage, stopped heating, prevent from the security hidden trouble that causes because of overheated from having guaranteed use safety.And, also be provided with air vent 12, so that use safety has further been guaranteed in the venting when causing when high bag to expand of hot-water bottle internal cause a variety of causes pressure.For avoiding causing electric heating body overheated owing to various factors; cause that outer bag overheatedly breaks, people and animals' Direct Contact Heating body causes scald; electric heating body has also been set up plastic net shell---PC plastic protective sleeve 3 outward, prevents that electric heating body from contacting with bag, human body.Make the present invention meet two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
Useful result:
Safety hot-water bottle electric heating body, utilize the Lenz's law principle, the mode that adopts liquid, electricity to separate heats, that is: hot-wire coil 1 interior placement one soft iron core 2, coil accesses 220 volts of alternating currents, soft iron core 2 namely is heated, and the liquid that contacts with soft iron core 2 is heated, and then hot-water bottle is heated.Also be provided with one firm, heat-resisting, thickness inside and outside the hot-wire coil 1 and be 2mm, uniformly epoxy resin waterproof, proof and electric leakage-proof safety layer.And soft iron core 2 and liquid are not charged, can not have electric leakage dangerous.According to the built-in thermoelectric protector 4 of different temperature requirements, reach the temperature control requirement simultaneously; A built-in Thermal Cutoffs 5 so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated owing to a variety of causes, is guaranteed the Electrical Safety of electric heating body.For preventing that safety hot-water bag from making the bag swelling fracture because of heating for multiple times, designed again a kind of: permanent magnet 10, normally closed type tongue tube 8, draw cord system so that bag when adding thermal expansion, makes hot-wire coil 1 outage, stopped heating, have guaranteed use safety.And, also be provided with air vent 12, so that use safety has further been guaranteed in the venting when causing when high bag to expand of hot-water bottle internal cause a variety of causes pressure.For avoiding causing electric heating body overheated owing to various factors; cause that outer bag overheatedly breaks, people and animals' Direct Contact Heating body causes scald; electric heating body has also been set up plastic net shell---PC plastic protective sleeve 3 outward, prevents that calandria from contacting with bag, human body.Make the present invention meet two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
Description of drawings:
Fig. 1 is: safety electric heater and preparation method thereof structural representation, among the figure:
1 is hot-wire coil; 2 is soft iron core; 3 is the PC plastic protective sleeve;
4 is thermoelectric protector; 5 is Thermal Cutoffs; 6 is overcoat;
7 is nylon rope; 8 is tongue tube; 9 is sleeve pipe;
10 is permanent magnet; 11 is spring; 12 is air vent;
13 is supply hub; 14 is the epoxy resin protective layer; 15 are the leakage circuit breaker.
Embodiment:
The present invention will be further described below in conjunction with embodiment:
Embodiment 1:
Safety electric heater, its basic element of character is by hot-wire coil 1, soft iron core 2, PC plastic protective sleeve 3, be thermoelectric protector 4, Thermal Cutoffs 5, overcoat 6, nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, air vent 12, supply hub 13, epoxy resin protective layer 14, leakage circuit breaker 15 forms, its connected mode is: soft iron core 2 is inserted and is fixed in the hollow cylinder that hot-wire coil 1 that epoxy resin coats forms, PC plastic protective sleeve 3 is wrapped in hot-wire coil 1 integral outer that above-mentioned epoxy resin of inserting soft iron core 2 coats, the epoxy resin protective layer 14 outer stationary heat non-electricity protectors 4 that forming, Thermal Cutoffs 5, leakage circuit breaker 15, air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6; The live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, and the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path.
Wherein above-mentioned leakage circuit breaker 15 mainly is comprised of nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, its connected mode is: sleeve pipe 9 is fixed on the center of top position in the leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the bottom center position in the leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10 and nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8.
Need to prove:
Hot-wire coil 1 recited above is the enamelled wire of 0.13mm for diameter, and it twines the number of turn is 1100 circles, and the inside and outside diameter of hot-wire coil 1 is respectively 22mm and 36mm, and height is 16mm; The diameter of described soft iron core 2 is 22mm, and height is 40mm; The temperature control scope of described thermoelectric protector 4 is 45 ° of C-55 ° C; The temperature of described Thermal Cutoffs 5 is arranged on 55 ° of C65 ° of C; The diameter of described permanent magnet 10 is 3mm, and height is 3mm; Described tongue tube 8 adopts normally closed type tongue tube 8, and it can be 1A by electric current.
The manufacture method of safety electric heater is: its basic element of character is by hot-wire coil 1, soft iron core 2, PC plastic protective sleeve 3, be thermoelectric protector 4, Thermal Cutoffs 5, overcoat 6, nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, air vent 12, supply hub 13, epoxy resin protective layer 14, leakage circuit breaker 15 forms, its connected mode is: soft iron core 2 is inserted and is fixed in the hollow cylinder that hot-wire coil 1 that epoxy resin coats forms, PC plastic protective sleeve 3 is wrapped in hot-wire coil 1 integral outer that above-mentioned epoxy resin of inserting soft iron core 2 coats, the epoxy resin protective layer 14 outer stationary heat non-electricity protectors 4 that forming, Thermal Cutoffs 5, leakage circuit breaker 15, air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6; The live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, and the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path.
Wherein above-mentioned leakage circuit breaker 15 mainly is comprised of nylon rope 7, tongue tube 8, sleeve pipe 9, permanent magnet 10, spring 11, its connected mode is: sleeve pipe 9 is fixed on the center of top position in the leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the bottom center position in the leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10 and nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8.
Its manufacture method is: twining 1100 circle circle diameters at skeleton is the enamelled wire of 0.13mm, makes an inside and outside diameter and is respectively 22mm and 36mm, and height is the hot-wire coil 1 of the hollow cylinder shape of 16mm; Hot-wire coil 1 is dipped the epoxy resin liquation three times and toast dry at 240 ° of C; Be that 22mm, height are inserted in the hot-wire coil 1 for the soft iron core 2 of 40mm, and fixed with epoxy bond again with diameter; The hot-wire coil 1 whole epoxy sealing of also using that above-mentioned epoxy resin of inserting soft iron core 2 coats is fixed and coated to PC plastic protective sleeve 3 usefulness epoxy bond; The wire of hot-wire coil 1 is connected with the zero line that the output of thermoelectric protector 4 is connected with supply hub respectively, again this wire is drawn the position and fill with the epoxy resin protective layer 14 that the epoxy resin of upper good fluidity was sealed and formed main heater block; Sleeve pipe 9 sealings are fixed on the inner top middle position of leakage circuit breaker 15, tongue tube 8 is fixed on the inside top wall position of leakage circuit breaker 15, one end of spring 11 is fixed on the inner bottom part middle position of leakage circuit breaker 15, the other end of spring 11 connects permanent magnet 10, nylon rope 7 successively, and nylon rope 7 passes sleeve pipe 9 and prepares and is connected with overcoat 6; The incoming end of leakage circuit breaker 15 and contact jaw are the two poles of the earth of tongue tube 8; The epoxy resin protective layer 14 outer bonding thermoelectric protector 4, Thermal Cutoffs 5, the leakage circuit breaker 15 that are forming, the live wire of supply hub 13 is connected in series with the access wire of leakage circuit breaker 15, Thermal Cutoffs 5, thermoelectric protector 4 and hot-wire coil 1 successively, the zero line that picks out wire and supply hub 13 of hot-wire coil 1 is connected to form the closed-loop path, and the wire of each parts is drawn the position and equally all filled with the epoxy resin of good fluidity and sealed; Air vent 12 and supply hub 13 are placed on the overcoat 6, and the nylon rope 7 in the leakage circuit breaker 15 is connected with overcoat 6.
According to required voltage (220 volts of alternating currents) and power (400500 watts) requirement, it is the enamelled wire of 0.13mm that hot-wire coil 1 adopts diameter, twines 1100 circle enamelled wires at skeleton, and hot-wire coil 1 forms a hollow cylinder.Its inside and outside diameter respectively is 22mm, 36mm, and height is 16mm.Hot-wire coil 1 is inside and outside to be dipped three times with the epoxy resin liquation, again through after the 240 degree celsius temperature baking drying, is 22mm again with diameter, highly inserts in the hot-wire coil 1 for the soft iron core 2 of 40mm, and fix with epoxy bond.Wire is drawn the epoxy resin that upper good fluidity is filled with at the position, in order to sealing.So just, finished independent insulation, an electric heating body independent sealed, electricity separation that is formed by hot-wire coil 1, soft iron core 2, thermoelectric protector 4, Thermal Cutoffs 5, permanent magnet 10, normally closed type tongue tube 8, draw cord system.According to different temperature requirements (45 degrees centigrade-55 degrees centigrade), a built-in thermoelectric protector 4 reaches the temperature control requirement simultaneously.And a built-in Thermal Cutoffs 5(temperature is arranged on 55-65 degrees centigrade) so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated (temperature reaches more than 5565 degrees centigrade) owing to a variety of causes, guarantee the Electrical Safety of electric heating body.For preventing that safety hot-water bag from making the bag swelling fracture because of heating for multiple times, designed again a kind of: permanent magnet 10(diameter is 3, high 3mm), normally closed type tongue tube 8(can pass through the 1A electric current), draw cord system, so that bag is when adding thermal expansion, the permanent magnet 10 that the bag upper surface spurs under it makes progress and close tongue tube 8 lower ends, normally closed type tongue tube 8 normally closed interlocks are disconnected, make hot-wire coil 1 outage, stopped heating, prevent from the security hidden trouble that causes because of overheated from having guaranteed use safety.And, also be provided with air vent 12, so that use safety has further been guaranteed in the venting when causing when high bag to expand of hot-water bottle internal cause a variety of causes pressure.For avoiding causing electric heating body overheated owing to various factors; cause that outer bag overheatedly breaks, people and animals' Direct Contact Heating body causes scald; electric heating body has also been set up plastic net shell---PC plastic protective sleeve 3 outward, prevents that electric heating body from contacting with bag, human body.Make the present invention meet two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
The present invention is like this work:
According to required voltage (220 volts of alternating currents), power (400 watts) requirement, it is the enamelled wire of 0.13mm that hot-wire coil 1 adopts diameter, twines 1100 circle enamelled wires at skeleton, and hot-wire coil 1 forms a hollow cylinder.Its inside and outside diameter respectively is 22mm, 36mm, and height is 16mm.Hot-wire coil 1 is inside and outside to be dipped three times with the epoxy resin liquation, again through after the 240 degree celsius temperature baking drying, be provided with also inside and outside the hot-wire coil 1 that one deck is firm, heat-resisting, thickness is 2mm, uniformly epoxy resin waterproof, proof and electric leakage-proof safety layer.And soft iron core 2 and liquid are not charged, can not have electric leakage dangerous.Be that 22mm, height are inserted in the hot-wire coil 1 for the soft iron core 2 of 40mm, and fixed with epoxy bond again with diameter.Wire is drawn the epoxy resin that upper good fluidity is filled with at the position, in order to sealing.So just, finished the electric heating body that an independent insulation that is comprised of hot-wire coil 1, soft iron core 2, thermoelectric protector 4, Thermal Cutoffs 5, permanent magnet 10, normally closed type tongue tube 8, draw cord system, independent sealed, liquid, electricity separate.Be 45 degrees centigrade of requirements according to temperature simultaneously, the thermoelectric protector 4 that a built-in relevant temperature requires reaches 45 degrees centigrade temperature requirements.And built-in Thermal Cutoffs 5(insurance temperature is selected 55 degrees centigrade Thermal Cutoffs 5), so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated (temperature reaches more than 55 degrees centigrade) owing to a variety of causes, guarantee the Electrical Safety of electric heating body.For preventing that safety hot-water bag from making the bag swelling fracture because of heating for multiple times, designed again a kind of: permanent magnet 10(diameter is 3, high 3mm), normally closed type tongue tube 8(can pass through the 1A electric current), draw cord system, so that bag is when adding thermal expansion, the permanent magnet 10 that the bag upper surface spurs under it makes progress and close tongue tube 8 lower ends, normally closed type tongue tube 8 normally closed interlocks are disconnected, make hot-wire coil 1 outage, stopped heating, prevent the security hidden trouble that causes because electric heating body is overheated, guaranteed that electrical equipment uses safety.And, also be provided with air vent 12, so that use safety has further been guaranteed in the venting when causing when high bag to expand of hot-water bottle internal cause a variety of causes pressure.For avoiding causing electric heating body overheated owing to various factors; cause that outer bag overheatedly breaks, people and animals' Direct Contact Heating body causes scald; electric heating body has also been set up plastic net shell---PC plastic protective sleeve 3 outward, prevents that electric heating body from contacting with bag, human body.Make the present invention meet two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
At work, Power supply is to hot-wire coil 1, utilize the Lenz's law principle, the mode that adopts liquid, electricity to separate heats, that is: hot-wire coil 1 interior placement one soft iron core 2, coil accesses 220 volts of alternating currents, and soft iron core 2 namely is heated, the liquid that contacts with soft iron core 2 is heated, and then safety electric heater is heated.Also be provided with one firm, heat-resisting, thickness inside and outside the hot-wire coil 1 and be 2mm, uniformly epoxy resin waterproof, proof and electric leakage-proof safety layer---epoxy resin protective layer 14.And soft iron core 2 and liquid are not charged, can not have electric leakage dangerous.According to the built-in thermoelectric protector 4 of different temperature requirements, reach the temperature control requirement simultaneously; A built-in Thermal Cutoffs 5 so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated owing to a variety of causes, is guaranteed the Electrical Safety of electric heating body.For preventing that safety hot-water bag from making the bag swelling fracture because of heating for multiple times, designed again a kind of leakage circuit breaker 15: permanent magnet 10, normally closed type tongue tube 8, draw cord system, so that bag when adding thermal expansion, makes hot-wire coil 1 outage, stopped heating, guaranteed use safety.And, also be provided with air vent 12, so that use safety has further been guaranteed in the venting when causing when high bag to expand of hot-water bottle internal cause a variety of causes pressure.For avoiding causing electric heating body overheated owing to various factors; cause that outer bag overheatedly breaks, people and animals' Direct Contact Heating body causes scald; electric heating body has also been set up plastic net shell---PC plastic protective sleeve 3 outward, prevents that calandria from contacting with bag, human body.All protective circuits comprise that thermoelectric protector 4, Thermal Cutoffs 5, leakage circuit breaker 15 all are connected on before the live wire input of hot-wire coil 1, have guaranteed that any one hazards is triggered all will make the outage of this electric heater.Make the present invention meet two appliances among the International Power IEC60335-1 and the specific safety standard among the IEC60335-2-81.
Embodiment 2:
According to required voltage (220 volts of alternating currents), power (500 watts) requirement, it is the enamelled wire of 0.13mm that hot-wire coil 1 adopts diameter, twines 1300 circle enamelled wires at skeleton, and hot-wire coil 1 forms a hollow cylinder.Its inside and outside diameter respectively is 22mm, 36mm, and height is 18mm.Hot-wire coil 1 is inside and outside to be dipped three times with the epoxy resin liquation, again through after the 240 degree celsius temperature baking drying, be provided with also inside and outside the hot-wire coil 1 that one deck is firm, heat-resisting, thickness is 2mm, uniformly epoxy resin waterproof, proof and electric leakage-proof safety layer.And soft iron core 2 and liquid are not charged, can not have electric leakage dangerous.Be that 22mm, height are inserted in the hot-wire coil 1 for the soft iron core 2 of 45mm, and fixed with epoxy bond again with diameter.Wire is drawn the epoxy resin that upper good fluidity is filled with at the position, in order to sealing.Be 55 degrees centigrade of requirements according to temperature simultaneously, the thermoelectric protector 4 that a built-in relevant temperature requires reaches 55 degrees centigrade temperature requirements.And built-in Thermal Cutoffs 5(insurance temperature is selected 65 degrees centigrade Thermal Cutoffs 5), so that disposable fusing self-destruction is cut off the power supply when causing electric heating body overheated (temperature reaches more than 65 degrees centigrade) owing to a variety of causes, guarantee the Electrical Safety of electric heating body.Other technology is with embodiment 1.
Claims (3)
1. safety electric heater, it is characterized in that: its basic element of character is by hot-wire coil (1), soft iron core (2), PC plastic protective sleeve (3), be thermoelectric protector (4), Thermal Cutoffs (5), overcoat (6), nylon rope (7), tongue tube (8), sleeve pipe (9), permanent magnet (10), spring (11), air vent (12), supply hub (13), epoxy resin protective layer (14), leakage circuit breaker (15) forms, its connected mode is: soft iron core (2) is inserted and is fixed in the hollow cylinder that hot-wire coil (1) that epoxy resin coats forms, PC plastic protective sleeve (3) is wrapped in hot-wire coil (1) integral outer that above-mentioned epoxy resin of inserting soft iron core (2) coats, stationary heat non-electricity protector (4) outside the epoxy resin protective layer (14) that forms, Thermal Cutoffs (5), leakage circuit breaker (15), air vent (12) and supply hub (13) are placed on the overcoat (6), and the nylon rope (7) in the leakage circuit breaker (15) is connected with overcoat (6); The live wire of supply hub (13) is connected in series with the access wire of leakage circuit breaker (15), Thermal Cutoffs (5), thermoelectric protector (4) and hot-wire coil (1) successively, and the zero line that picks out wire and supply hub (13) of hot-wire coil (1) is connected to form the closed-loop path;
Wherein above-mentioned leakage circuit breaker (15) is mainly by nylon rope (7), tongue tube (8), sleeve pipe (9), permanent magnet (10), spring (11) forms, its connected mode is: sleeve pipe (9) is fixed on the center of top position in the leakage circuit breaker (15), tongue tube (8) is fixed on the inside top wall position of leakage circuit breaker (15), one end of spring (11) is fixed on the bottom center position in the leakage circuit breaker (15), the other end of spring (11) connects permanent magnet (10) and nylon rope (7) successively, and nylon rope (7) passes sleeve pipe (9) and is connected with overcoat (6); The incoming end of leakage circuit breaker (15) and contact jaw are the two poles of the earth of tongue tube (8).
2. safety electric heater according to claim 1, it is characterized in that: described hot-wire coil (1) is the enamelled wire of 0.13mm for diameter, it twines the number of turn is 1100 circles-1300 circles, and the inside and outside diameter of hot-wire coil (1) is respectively 22mm and 36mm, and height is 16mm-18mm; The diameter of described soft iron core (2) is 22mm, and height is 40mm-45mm; The temperature control scope of described thermoelectric protector (4) is 45 ° of C-55 ° C; The temperature of described Thermal Cutoffs (5) is arranged on 55 ° of C-65 ° C; The diameter of described permanent magnet (10) is 3mm, and height is 3mm; Described tongue tube (8) adopts normally closed type tongue tube (8), and it can be 1A by electric current.
3. the manufacture method of safety electric heater, it is characterized in that its basic element of character is by hot-wire coil (1), soft iron core (2), PC plastic protective sleeve (3), be thermoelectric protector (4), Thermal Cutoffs (5), overcoat (6), nylon rope (7), tongue tube (8), sleeve pipe (9), permanent magnet (10), spring (11), air vent (12), supply hub (13), epoxy resin protective layer (14), leakage circuit breaker (15) forms, its connected mode is: soft iron core (2) is inserted and is fixed in the hollow cylinder that hot-wire coil (1) that epoxy resin coats forms, PC plastic protective sleeve (3) is wrapped in hot-wire coil (1) integral outer that above-mentioned epoxy resin of inserting soft iron core (2) coats, stationary heat non-electricity protector (4) outside the epoxy resin protective layer (14) that forms, Thermal Cutoffs (5), leakage circuit breaker (15), air vent (12) and supply hub (13) are placed on the overcoat (6), and the nylon rope (7) in the leakage circuit breaker (15) is connected with overcoat (6); The live wire of supply hub (13) is connected in series with the access wire of leakage circuit breaker (15), Thermal Cutoffs (5), thermoelectric protector (4) and hot-wire coil (1) successively, and the zero line that picks out wire and supply hub (13) of hot-wire coil (1) is connected to form the closed-loop path;
Wherein above-mentioned leakage circuit breaker (15) is mainly by nylon rope (7), tongue tube (8), sleeve pipe (9), permanent magnet (10), spring (11) forms, its connected mode is: sleeve pipe (9) is fixed on the center of top position in the leakage circuit breaker (15), tongue tube (8) is fixed on the inside top wall position of leakage circuit breaker (15), one end of spring (11) is fixed on the bottom center position in the leakage circuit breaker (15), the other end of spring (11) connects permanent magnet (10) and nylon rope (7) successively, and nylon rope (7) passes sleeve pipe (9) and is connected with overcoat (6); The incoming end of leakage circuit breaker (15) and contact jaw are the two poles of the earth of tongue tube (8);
Its manufacture method is: twining 1100 circles-1300 circle diameter at skeleton is the enamelled wire of 0.13mm, makes an inside and outside diameter and is respectively 22mm and 36mm, and height is the hot-wire coil (1) of the hollow cylinder shape of 16mm-18mm; Hot-wire coil (1) is dipped the epoxy resin liquation three times and toast dry at 240 ° of C; Be that 22mm, height are inserted in the hot-wire coil (1) for the soft iron core of 40mm-45mm (2), and fixed with epoxy bond again with diameter; PC plastic protective sleeve (3) is fixed and coats the whole epoxy sealing of also using of hot-wire coil (1) that above-mentioned epoxy resin of inserting soft iron core (2) coats with epoxy bond; The wire of hot-wire coil (1) is connected 13 with the output of thermoelectric protector (4) with supply hub respectively) zero line be connected, again this wire is drawn the position and fills with the epoxy resin protective layer (14) that the epoxy resin of good fluidity was sealed and formed main heater block; Sleeve pipe (9) sealing is fixed on the inner top middle position of leakage circuit breaker (15), tongue tube (8) is fixed on the inside top wall position of leakage circuit breaker (15), one end of spring (11) is fixed on the inner bottom part middle position of leakage circuit breaker (15), the other end of spring (11) connects permanent magnet (10), nylon rope (7) successively, and nylon rope (7) passes sleeve pipe (9) and prepares and is connected with overcoat (6); The incoming end of leakage circuit breaker (15) and contact jaw are the two poles of the earth of tongue tube (8); Bonding thermoelectric protector (4), Thermal Cutoffs (5), leakage circuit breaker (15) outside the epoxy resin protective layer (14) that forms, the live wire of supply hub (13) is connected in series with the access wire of leakage circuit breaker (15), Thermal Cutoffs (5), thermoelectric protector (4) and hot-wire coil (1) successively, the zero line that picks out wire and supply hub (13) of hot-wire coil (1) is connected to form the closed-loop path, and the wire of each parts is drawn the position and equally all filled with the epoxy resin of good fluidity and sealed; Air vent (12) and supply hub (13) are placed on the overcoat (6), and the nylon rope (7) in the leakage circuit breaker (15) is connected with overcoat (6).
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| CN2012105332894A CN103068085A (en) | 2012-12-10 | 2012-12-10 | Safe electric heater and manufacturing method thereof |
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| CN2012105332894A CN103068085A (en) | 2012-12-10 | 2012-12-10 | Safe electric heater and manufacturing method thereof |
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| CN202154788U (en) * | 2011-03-17 | 2012-03-07 | 黄崇韧 | Explosion-proof and heat-limited hot-water bag adopting electric heating part for heating |
| CN203298391U (en) * | 2012-12-10 | 2013-11-20 | 天津理工大学 | Electric hot water heater |
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- 2012-12-10 CN CN2012105332894A patent/CN103068085A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987005003A1 (en) * | 1986-02-21 | 1987-08-27 | Leopold Makovec | Arrangement for treatment of water |
| CN2114437U (en) * | 1992-02-29 | 1992-09-02 | 喻全林 | Double-insurance self-heating self-control heat storing electric heating element |
| CN1109671A (en) * | 1994-03-30 | 1995-10-04 | 吴百顺 | Invention for vortex electric heater and design and producing method |
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Application publication date: 20130424 |