CN213547870U - Heating element with novel structure - Google Patents

Abstract

The utility model discloses a novel heating element of structure, including water inlet, spacing fixture, carrier, delivery port and the temperature controller that resets, the carrier is cylindrical structure, and both ends are equipped with water inlet and delivery port respectively about the carrier, and water inlet and delivery port are cylindrical structure, and the carrier lateral surface is equipped with spacing fixture, and spacing fixture is U type structure, and this spacing fixture U type structure both ends are equipped with respectively with water inlet and the corresponding opening draw-in groove that compresses tightly location water inlet and delivery port with the delivery port, spacing fixture lateral surface is equipped with the slotted hole, and is equipped with the temperature controller that resets in this spacing fixture's the slotted hole. The utility model discloses increased heating element's security and stability, avoided damaging the problem of all subassembly separations because of parallelly connected circuit, and the later stage of being convenient for to heating element's inspection and maintenance, realized preventing that the dry combustion method from taking place and simple structure, facilitate for people.

Description

Heating element with novel structure

Technical Field

The utility model relates to a heating technology field specifically is a heating element of novel structure.

Background

With the rapid development of thick film heating technology, the thick film heating technology is more mature, products are more abundant, the scene is more extensive, the technical problems of thick film heating products are more and more, the thick film heating is related to the safety of the whole product, in the prior art, most of the thick film heating elements have high temperature during working, so that the tin soldering at the connecting part of a power supply terminal and a power supply line connector is easy to melt and soften, the power supply line connector is easy to separate from the power supply terminal of the heating element due to the influence of external force of pulling a power supply line, the thick film heating element cannot normally work, and the thick film heating circuit has the advantages of fast temperature rise, energy saving and the like, but the advantages are also defects sometimes, for example, once the dry burning phenomenon occurs at the fast temperature rise, serious loss can be caused in a short time, therefore, the accurate and strict control on the product, accurate and tight control of product and nearby temperatures is required in thick film heating products. Therefore, thick film heating products in the prior art are provided with two temperature sensing elements, one temperature sensing element is used for measuring the temperature of a thick film heating circuit and a carrier thereof, and is convenient to control dry burning, and the other temperature sensing element is used for measuring the temperature of water and is used for controlling heating power or liquid flow rate.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a heating element of novel structure, can effectively solve the problem in the background art through two sets of temperature controller, spacing fixture and the elasticity conductor piece that resets.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heating element of novel structure, this heating element includes water inlet, spacing fixture, carrier, delivery port and the temperature controller that resets, its characterized in that: the carrier is cylindrical structure, and the both ends of this carrier are equipped with delivery port and water inlet respectively, delivery port and water inlet are cylindrical structure, the carrier lateral surface is equipped with spacing fixture, spacing fixture is U type structure, and this spacing fixture U type structure both ends are equipped with respectively with water inlet and delivery port corresponding with the opening draw-in groove that compresses tightly location water inlet and delivery port, spacing fixture lateral surface is equipped with the slotted hole, and is equipped with the temperature controller that resets in this spacing fixture's the slotted hole, through the connection of temperature controller and carrier that resets, is convenient for acquire the inside fluid temperature data that wait to heat of carrier, and then realizes controlling the fluidic heating temperature of this heating element during operation, realizes preventing the dry combustion method phenomenon and takes place.

Further, the carrier includes the tubulose base member and sets up the heating element on the tubulose base member, the tubulose base member is the tubulose heat conduction casing of metal material, heating element is thick film heating circuit, this thick film heating circuit is including coating insulating medium layer on the tubulose base member and setting up the pad conductor of resistance heating circuit and the series resistance heating circuit on insulating medium layer, the one end that this pad conductor is close to the water inlet is equipped with power contact one and power contact two, power contact one and power contact two correspond and be connected with zero line and live wire and form resistance heating circuit, the one end that the pad conductor is close to the delivery port is equipped with accuse temperature contact and the positive negative pole contact of temperature sensing element, treat that the heating fluid enters into the carrier in through the water inlet, the fluid after the heating flows through the delivery port.

Further, be equipped with the parallelly connected heating sub-circuit of multiunit in the thick film heating circuit, and the thick film heating circuit outer wall is the heating surface, on the outer wall heating surface was directly reflected to the fluid heating temperature in the carrier, heats the fluid in the thick film heating circuit through the parallelly connected heating sub-circuit of multiunit, and fluid heating temperature can embody through the thick film heating circuit.

Further, the carrier includes the tubulose base member and sets up the heating element on the tubulose base member, the tubulose base member is the tubulose heat conduction casing of metal material, heating element is including setting up metal heater or the metal heating rod on the tubulose base member and connecting in the terminal zero line wiring end and the live wire wiring end of metal heater or metal heating rod, has effectively widened heating element's on the carrier category, not only limits thick film heating circuit.

Furthermore, rectangular slot holes corresponding to the positions of a first power contact, a second power contact and positive and negative electrode contacts of a thermosensitive element on the thick film heating circuit are formed in the limiting fixture, elastic conductor sheets are arranged in the rectangular slot holes of the limiting fixture, one end of each elastic conductor sheet on one side of the water inlet is connected with the first power contact and the second power contact of the thick film heating circuit respectively, the other end of each elastic conductor sheet is connected with an external zero line and a fire wire through wires, one end of each elastic conductor sheet on one side of the water outlet is connected with the positive and negative electrode contacts of the thermosensitive element of the thick film heating circuit respectively, the other end of each elastic conductor sheet is connected with the thermosensitive element fixed on the limiting fixture and used for achieving high-temperature power-off protection of the heating element, and fastening bolts for achieving connection and fixation of the limiting fixture and the carrier are arranged.

Furthermore, the mode that the rectangle slotted hole on elasticity conductor piece and the spacing fixture passed through the cantilever joint is connected, the elasticity shape conductor piece left and right sides is equipped with the rectangle joint key promptly, and there is corresponding draw-in groove in the rectangle slotted hole of spacing fixture, be convenient for elasticity conductor piece installation and dismantlement through the cantilever joint, and make heating element high temperature during operation through the elasticity conductor piece, even soldering tin melting softening between elasticity conductor piece and the heating element link also is difficult for droing, even soldering tin drops, because being connected of elasticity conductor piece and spacing fixture, make the elasticity conductor piece still with heating element contact and electricity be connected, and elasticity conductor piece occupation space is little.

Furthermore, the reset temperature controller corresponds to the temperature control contact on the carrier, and comprises L-shaped terminals, the lower ends of the two groups of L-shaped terminals are respectively provided with a connecting seat, the diameter of a circle formed by the two groups of L-shaped terminals is larger than that of the connecting seat, the cross section formed by the two groups of L-shaped terminals and the connecting seat is in a lantern shape, the shapes of two slotted holes on the outer side surface of the limiting clamp correspond to the shapes of the two slotted holes on the outer side surface of the limiting clamp, the lower end of the connecting seat is provided with a heat sensitive reaction assembly, the upper end of the heat sensitive reaction assembly is an oval limiting plate, the reset temperature controller and the limiting clamp are fixed through rotary clamping, so that the installation and the disassembly are convenient, through the direct connection of the reset temperature controller and the heating surface of the outer wall of the heating element, the normal, thereby preventing the safety accident caused by the dry burning of the heating element.

Compared with the prior art, the beneficial effects of the utility model are that: the heating element with the novel structure has the following advantages:

1. the utility model discloses on set up spacing fixture, make carrier, the temperature controller that resets one and the temperature controller that resets two independent individualities of formation through spacing fixture, increased heating element's security, avoided damaging the problem of all subassemblies because of parallelly connected circuit, and the later stage of being convenient for is to heating element's inspection and maintenance.

2. The utility model discloses on set up the elasticity conductor piece, made heating element high temperature during operation through the elasticity conductor piece, even soldering tin melting between elasticity conductor piece and the heating element link is softened and also is difficult for droing, even soldering tin drops, because being connected of elasticity conductor piece and spacing fixture for the elasticity conductor piece still contacts and the electricity is connected with heating element, and elasticity conductor piece occupation space is little.

3. The utility model discloses on set up the temperature controller that resets, through the temperature controller two that resets and the lug connection of the heating surface of the temperature controller one that resets and thick film heating circuit outer wall, the normal operating temperature of heating element is no longer than the settlement temperature, appears cutting off the water supply in the use, the water yield can make circuit temperature rise fast for a short time, the temperature controller one that resets this moment and the temperature controller two that resets can cut off the power supply rapidly to this incident that prevents heating element dry combustion method and produce.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structural support of the present invention;

FIG. 3 is a schematic view of the structure-resetting thermostat of the present invention;

FIG. 4 is a schematic view of the structure limiting fixture of the present invention;

fig. 5 is a schematic view of the structure of the elastic conductor piece of the present invention.

In the figure: the device comprises a water inlet 1, a limiting clamp 2, a carrier 3, a water outlet 4, a first reset temperature controller 5, a second reset temperature controller 6, an elastic conductor sheet 7, a tubular matrix 8, a temperature control contact 9, a first power supply contact 10, a second power supply contact 11, a thick film heating circuit 12, a positive and negative electrode contact of a thermistor 13, a 14L-shaped terminal, a connecting seat 15 and a heat sensitive reaction assembly 16.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a heating element with a novel structure comprises a water inlet 1, a limiting clamp 2, a carrier 3, a first resetting temperature controller 5 of a water outlet 4 and a second resetting temperature controller 6, wherein the carrier 3 is of a cylindrical structure, the upper end and the lower end of the carrier 3 are respectively provided with the water outlet 4 and the water inlet 1, the water outlet 4 and the water inlet 1 are both of cylindrical structures, the outer side surface of the carrier 3 is provided with the limiting clamp 2, the limiting clamp 2 is of a U-shaped structure, the two ends of the U-shaped structure of the limiting clamp 2 are provided with clamping grooves corresponding to the water inlet 1 and the water outlet 4, the outer side surface of the limiting clamp 2 is provided with two groove holes, the two groove holes on the limiting clamp 2 are respectively provided with the first resetting temperature controller 5 and the second resetting temperature controller 6, the temperature data of fluid to be heated in the carrier 3 can be conveniently obtained through the connection of the first resetting temperature, the carrier 3 comprises a tubular base body 8, a thick film heating circuit 12 is arranged on the tubular base body 8, the thick film heating circuit 12 is positioned at the end of a water inlet 1 and is provided with a power supply contact I10 and a power supply contact II 11, the thick film heating circuit 12 is positioned at the end of a water outlet 4 and is provided with a temperature control contact 9 and a thermistor anode and cathode contact 13, a fluid to be heated enters the carrier 3 through the water inlet 1, the heated fluid flows out through the water outlet 4, a plurality of groups of heating sub-circuits which are connected in parallel are arranged in the thick film heating circuit 12, the outer wall of the thick film heating circuit 12 is a heating surface, the heating temperature of the fluid in the carrier 3 is directly reflected to the heating surface of the outer wall, the fluid in the thick film heating circuit 12 is heated through the plurality of groups of heating sub-circuits which are connected in parallel, the heating temperature of the fluid can be reflected through the thick, The power supply contact I10, the power supply contact II 11 and the rectangular slotted holes corresponding to the positions of the positive and negative electrode contacts 13 of the thermistor are respectively provided with an elastic conductor sheet 7 in the rectangular slotted hole of the limiting fixture 2, one end of the elastic conductor sheet 7 is connected with a thick film heating circuit 12, the other end of the elastic conductor sheet 7 is connected with an external part through a lead, the upper end and the lower end of the vertical surface of the limiting fixture 2 are provided with fastening bolts, the limiting fixture 2 is convenient for quickly replacing the reset temperature controller I5 and the reset temperature controller II 5, the carrier 3, the reset temperature controller I5 and the reset temperature controller II 5 form independent bodies through the limiting fixture 2, the safety of a heating element is improved, the problem that all components are damaged due to parallel circuits is avoided, the later-period inspection and maintenance of the heating element are convenient, the elastic conductor sheet 7 is connected with the rectangular slotted holes on the limiting fixture 2, namely, the left and right sides of the elastic conductor sheet 7 are provided with rectangular clamping keys, and the rectangular slotted holes of the limiting fixture 2 are provided with corresponding clamping grooves, the installation and the disassembly of the elastic conductor sheet 7 are convenient through cantilever clamping, and when the heating element works at high temperature through the elastic conductor sheet 7, even if the soldering tin between the elastic conductor sheet 7 and the connecting end of the heating element is melted and softened, the soldering tin is not easy to fall off, even if the soldering tin falls off, the elastic conductor sheet 7 is still contacted and electrically connected with the heating element due to the connection of the elastic conductor sheet 7 and the limiting fixture 3, and the elastic conductor sheet 7 occupies small space, the first reset temperature controller 5 comprises L-shaped terminals 14, the lower ends of the two groups of L-shaped terminals 14 are provided with connecting seats 15, the diameter of a circle formed by the two groups of L-shaped terminals 14 is larger than the diameter of the connecting seats 15, the cross section formed by the two groups of the, the lower extreme of connecting seat 15 is equipped with heat sensitive reaction subassembly 16, and the 16 upper ends of heat sensitive reaction subassembly are oval limiting plate, it is unanimous with the temperature controller that resets one 6 structure of temperature controller that resets, it is fixed through rotatory joint to reset one 5 and reset two 6 temperature controllers and limiting fixture 2 of temperature controller that resets, be convenient for installation and dismantlement, and through the direct connection of the heating surface of two 6 temperature controllers and reset one 5 temperature controllers and 12 outer walls of thick film heating circuit that reset, the normal operating temperature of heating element is no longer than the settlement temperature, the water cut-off appears in the use, the water yield can make circuit temperature rise fast for a short time, reset one 5 temperature controllers and reset two 6 and can cut off the power supply rapidly this moment, do not influence any performance, the normal back automatic re-setting switch-on of rivers, heating.

When in use:

before a heating element is heated, a first reset temperature controller 5 and a second reset temperature controller 6 are arranged in two slot holes on a limiting fixture 2 from the inside of a U-shaped structure of the limiting fixture 2, the first reset temperature controller 5 and the second reset temperature controller 6 are clamped and fixed through rotation, then an elastic conductor sheet 7 is arranged in a corresponding square slot hole on the limiting fixture 2, the elastic conductor sheet 7 and the limiting fixture 2 are clamped and connected in a cantilever mode, the upper end and the lower end of the mounted limiting fixture 2 are connected with a water outlet 1 and a water inlet 4 at the moment, fastening bolts at the upper end and the lower end of the limiting fixture 2 are used for further fastening, the first reset temperature controller 5 and the second reset temperature controller 6 are in direct contact with a heating surface on the outer wall of a thick film heating circuit 12 at the moment, and the elastic conductor sheet 7 corresponds to a temperature control contact 9, a first power contact 10, a second power contact 11 and a, and the other end of the elastic conductor sheet 7 is connected with an external component through a wire, when fluid to be heated enters the thick film heating circuit 12 from the water inlet 1, the fluid is heated through a plurality of groups of heating sub-circuits connected in parallel in the thick film heating circuit 12, the heated fluid flows out from the water outlet 4, the first reset temperature controller 5, the second reset temperature controller 6 and the elastic conductor sheet 7 form an independent individual body through the limiting fixture 2, therefore, water break and small water quantity can cause the temperature of the circuit to rise rapidly in the using process, at the moment, the first reset temperature controller 5 and the second reset temperature controller 6 can be powered off rapidly without influencing any performance, the automatic reset is switched on after the water flow is normal, the heating element can work normally, so as to prevent the heating element from burning, and lead the soldering tin between the connecting end of the elastic conductor sheet 7 and the heating element to be melted and softened and not to fall off easily even if the soldering tin falls, the elastic conductor piece 7 is still contacted and electrically connected with the heating element, and the elastic conductor piece 7 occupies small space, so that the structure is simple and convenience is provided for people.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a heating element of novel structure, this heating element includes water inlet, spacing fixture, carrier and delivery port and the temperature controller that resets, its characterized in that: the carrier is of a cylindrical structure, a water outlet and a water inlet are formed in two ends of the carrier respectively, the water outlet and the water inlet are both of the cylindrical structure, a limiting clamp is arranged on the outer side face of the carrier and is of a U-shaped structure, opening clamping grooves corresponding to the water inlet and the water outlet and used for correspondingly compressing and positioning the water inlet and the water outlet are formed in two ends of the U-shaped structure of the limiting clamp respectively, a groove hole is formed in the outer side face of the limiting clamp, and a reset temperature controller is arranged in the groove hole of the limiting clamp.

2. A new construction of a heating element as claimed in claim 1, wherein: the carrier includes the tubulose base member and sets up the heating element on the tubulose base member, the tubulose base member is the tubulose heat conduction casing of metal material, heating element is thick film heating circuit, and this thick film heating circuit is including coating the insulating medium layer on the tubulose base member and set up the pad conductor on the resistance heating circuit and the series resistance heating circuit on the insulating medium layer, and the one end that this pad conductor is close to the water inlet is equipped with power contact one and power contact two, and power contact one and power contact two correspond and are connected with zero line and live wire and form resistance heating circuit, and the one end that the pad conductor is close to the delivery port is equipped with accuse temperature contact and the positive negative pole contact of thermal.

3. A new construction of a heating element according to claim 2, wherein: the thick film heating circuit is internally provided with a plurality of groups of heating sub-circuits which are connected in parallel, the outer wall of the thick film heating circuit is a heating surface, and the heating temperature of fluid in the carrier is directly reflected on the heating surface of the outer wall.

4. A new construction of a heating element as claimed in claim 1, wherein: the carrier comprises a tubular base body and a heating element arranged on the tubular base body, the tubular base body is a tubular heat conduction shell made of metal materials, and the heating element comprises a metal heating wire or a metal heating rod arranged on the tubular base body, and a zero line terminal and a live line terminal connected to the tail end of the metal heating wire or the metal heating rod.

5. A new construction of a heating element as claimed in claim 1, wherein: the limiting fixture is provided with a rectangular slot hole corresponding to the positions of a first power contact, a second power contact and a positive and negative electrode contact of a thermosensitive element on the thick film heating circuit, elastic conductor pieces are arranged in the rectangular slot hole of the limiting fixture, one end of each elastic conductor piece on one side of the water inlet is connected with the first power contact and the second power contact of the thick film heating circuit respectively, the other end of each elastic conductor piece is connected with an external zero line and a fire line through a lead, one end of each elastic conductor piece on one side of the water outlet is connected with the positive and negative electrode contacts of the thermosensitive element of the thick film heating circuit respectively, the other end of each elastic conductor piece is connected with the thermosensitive element fixed on the limiting fixture and used for realizing high-temperature power-off protection of the heating element, and fastening bolts for realizing connection and fixation of the limiting fixture.

6. A new construction of a heating element as claimed in claim 5, wherein: the elastic conductor piece is connected with the rectangular slotted hole in the limiting clamp in a cantilever clamping mode, namely rectangular clamping keys are arranged on the left side and the right side of the elastic conductor piece, and corresponding clamping grooves are formed in the rectangular slotted hole of the limiting clamp.

7. A new construction of a heating element as claimed in claim 1, wherein: the temperature controller that resets is corresponding with the accuse temperature contact on the carrier, and should reset the temperature controller and include L type terminal, and two sets of L type terminal lower extremes are equipped with the connecting seat respectively, and the circle diameter that two sets of L type terminals formed is greater than the connecting seat diameter, and the cross-section that two sets of L type terminals and connecting seat are constituteed is the lantern shape, and two slotted hole shapes of spacing fixture lateral surface are corresponding with it, the connecting seat lower extreme is equipped with the heat-sensitive reaction subassembly, and the heat-sensitive reaction subassembly upper end is oval limiting plate.

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