CN211316573U - Anti-freezing control device for gas water heater - Google Patents

Abstract

The utility model discloses a gas heater controlling means that prevents frostbite, it belongs to the gas heater field. An anti-freezing control device of a gas water heater comprises a freeze-breaking preventer, a controller and a controller, wherein the freeze-breaking preventer is arranged on a shell base of the gas water heater and deforms due to the temperature to automatically open or close a contact; the heating rods are electrically connected with the frost damage preventer and are respectively arranged on the rectangular heating rod at the middle part of the cold water pipe, the round heating rod at the inlet of the cold water pipe, the round heating rod at the outlet of the hot water pipe and the round heating rod at the outlet of the main heat exchanger; and the power supply is used for heating the plurality of heating rods when the frost damage preventer is closed. The utility model provides a accuse ware because set up on the pipeline, ambient temperature has not reached and has just stopped heating yet, leads to the heating inequality, heats the effect not good enough and can not in time heat when having a power failure, leads to the pipeline can not realize real frost-proof technical problem.

Description

Anti-freezing control device for gas water heater

Technical Field

The utility model belongs to the technical field of gas heater and specifically relates to a gas heater controlling means that prevents frostbite.

Background

When cold tide comes in the north, the phenomenon of frost cracking of a water inlet joint, a water outlet joint, a water pipe and a main heat exchanger occurs when the anti-freezing measures of the gas water heater are unreasonable, and great economic loss is brought to users and gas water heater manufacturers.

The patent application with the application number of 200520061531.8 and the publication number of 2828663Y discloses an efficient antifreezing device for a gas water heater adopting electromagnetic heating. The temperature controller comprises an electric control device, a circulating water pipe and a heat exchanger, and further comprises a temperature controller arranged on a pipeline of the heat exchanger, a heater is arranged on the circulating water pipe, and a temperature controller contact provided with a switching-on temperature value and a switching-off temperature value is connected in series with the heater through a lead and then is electrically connected with the electric control device.

The above-mentioned patent application of the existing gas water heater has the following problems: 1. the temperature controller is arranged on the pipeline, so that the heating is stopped when the ambient temperature is not reached, the heating is uneven, and the heating effect is poor; 2. the heating coils are easy to age and are not uniformly distributed, so that all pipelines cannot be prevented from being frozen; 3. the pipeline can not be truly prevented from freezing due to the fact that the pipeline can not be heated in time when power is cut off.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a to prior art's defect, provide a gas heater controlling means that prevents frostbite, its advantage is frozen broken preventer setting on the shell base, can really be less than or be higher than when the ambient temperature to the pipeline even heating to also can prevent frostbite when having realized having a power failure through setting up the battery.

According to the utility model discloses an aspect provides a gas heater freeze-proof control device, include:

the freezing-damage preventer is arranged on a shell base of the gas water heater and deforms due to the temperature to automatically open or close the contact;

the heating rods comprise a rectangular heating rod, a round heating rod and a round heating rod, wherein the rectangular heating rod is electrically connected with the frost damage preventer and is respectively arranged in the middle of the cold water pipe, the round heating rod is arranged at the inlet of the cold water pipe, the round heating rod is arranged at the outlet of the hot water pipe, and the round heating rod is arranged at the outlet of the main heat exchanger;

and the power supply is used for heating the plurality of heating rods when the frost damage preventer is closed.

Through above-mentioned gas heater freeze-proof control device, will freeze and break the preventer setting on the shell base, avoided ambient temperature not to rise yet or fall the problem that power supply just stopped heating or began to heat, a plurality of heating rods evenly distributed have guaranteed the even heating to cold and hot water pipe in four positions of cold and hot water pipe simultaneously.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the first current sensor is respectively and electrically connected with the frost damage preventer and the common input ends of all the heating rods and is used for detecting whether current exists in the loop or not;

the storage battery is electrically connected with the common input end of all the heating rods, and when the power supply source can not supply power, the storage battery supplies power;

the electric control switch is arranged between the heating rod and the storage battery and is used for controlling the opening or closing of the storage battery;

and the central controller is electrically connected with the output end of the first current sensor and used for receiving the current detected by the first current sensor, and the central controller controls the opening or closing of the electric control switch according to the electric signal output by the first current sensor.

Through above-mentioned gas heater freeze-proof control device, set up first current sensor detection current, when it can not detect the electric current, central controller can not receive the signal of telecommunication of first current sensor output, central controller control electric control switch opens, give the heating rod power supply through the battery, when central controller can receive the signal of telecommunication of first current sensor output, central controller control electric control switch's closure, so this scheme can carry out the self-heating to the heating rod through setting up the battery under the condition of outage.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the heating rods are arranged in series or in parallel, when the heating rods are arranged in series, the input end of each heating rod can be a common input end, and the first current sensor is electrically connected with the input end of any one heating rod; when the respective heating rods are arranged in parallel, the first current sensor is connected between the common input terminal of all the heating rods and the freeze damage preventer.

Through above-mentioned gas heater freeze-proof control device, no matter a plurality of heating rods are the series connection or parallelly connected setting, first current sensor sets up on the public return circuit of all heating rods, can realize the detection to the electric current on the public return circuit, and it can not improve the electric energy to show power supply when there is not the electric current on the public return circuit, just uses the battery to supply power.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: when the plurality of heating rods are arranged in parallel, the output end of each heating rod is correspondingly provided with a second current sensor, each second current sensor is used for detecting whether the output end of the corresponding heating rod has current, and each second current sensor is connected with the central controller.

Through above-mentioned gas heater freeze-proof control device, when a plurality of heating rods parallelly connected set up, through set up second current sensor on the return circuit of every heating rod, whether there is the electric current to monitor whether the heating rod that corresponds damages on the return circuit that detects every heating rod correspondence to conveniently change every heating rod.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the third current sensor is arranged between the storage battery and the electric control switch, the third current sensor is also electrically connected with the central controller, and the central controller controls the alarm to alarm according to the current output signal of the second current sensor or the third current sensor.

Through above-mentioned gas heater freeze-proof control device, when central controller can not receive the signal of second current sensor, the control alarm is reported to the police, reminds the user to change the heating rod that corresponds, when central controller can not receive the signal of third current sensor, the control alarm is reported to the police, reminds the user to look over whether normal power supply is supplied to the battery, if the battery has the electricity but can not supply power, then be that the components and parts on the major loop are bad to have leaded to reserve battery can't provide the electric power storage.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the alarm is in wireless connection with the central controller and can be any one of sound, light or short message alarm.

Through the anti-freezing control device for the gas water heater, the user is reminded from the auditory sense through sound alarm, the user is reminded from the visual sense through light alarm, and the mode that the alarm signal can be wirelessly received through the mobile phone of the user through short messages is better and more convenient.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the cold water pipe inlet, the hot water pipe outlet and the main heat exchanger outlet are coated with copper connectors for connecting an external water pipe, round holes for accommodating heating rods are formed in the copper connectors, the shapes of the heating rods are matched with the round holes, and the heating rods are fixed in the round holes through rivets; the heating rod on the cold water pipe is a rectangle matched with the shape of the cold water pipe, and the heating rod is fixed on the cold water pipe through a support.

Through above-mentioned gas heater controlling means that prevents frostbite, utilize the copper joint trompil, it is more stable with the fixed mode of fixed and riveting of circular heating rod, set up the rectangle heating rod simultaneously in the middle part of the cold water pipe, the shape of adaptation water pipe is fixed more firmly. The four heating rods are uniformly distributed at four positions of the cold and hot water pipe, so that the cold and hot water pipe is uniformly heated.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: and a fuse is connected between the common input end of the heating rod and the power supply.

Through above-mentioned gas heater freeze control device, set up the fuse and avoid electric current overload to burn out components and parts.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the friction generator is of a three-layer structure or a four-layer structure or a five-layer intermediate film structure or a five-layer intermediate electrode structure, the friction generator at least comprises two opposite surfaces forming a friction interface, and the friction generator is provided with at least two electric energy output ends.

Through above-mentioned gas heater freeze-proof control device, set up the friction generator on the air intake and collect wind energy and convert the electric energy into, the effectual natural resource that has utilized.

The utility model discloses a gas heater controlling means that prevents frostbite further sets up to: the output end of the friction generator is connected with the input end of the storage battery and used for storing the electric energy generated by the friction generator.

Through above-mentioned gas heater freeze-proof control device, the electric energy that the friction generator produced is saved in the battery, has avoided the trouble that better battery brought.

To sum up, the utility model discloses following beneficial effect has:

compared with the prior art, the technical scheme of the utility model have following advantage:

(1) by adopting the anti-freezing control device of the gas water heater, the anti-freezing device is arranged on the base of the shell, thereby avoiding the problem that the heating is stopped or started when the environmental temperature is not increased or decreased, and simultaneously, a plurality of heating rods are uniformly distributed at four positions of the cold and hot water pipes, thereby ensuring the uniform heating of the cold and hot water pipes;

(2) the anti-freezing control device of the gas water heater is provided with the first current sensor for detecting current, when the current cannot be detected, the central controller cannot receive an electric signal output by the first current sensor, the electric control switch is controlled to be opened, the anti-freezing control device is powered by the storage battery, and when the central controller can receive the electric signal output by the first current sensor, the electric control switch is controlled to be closed, so that the heating rod can be automatically heated by the storage battery under the condition of power failure;

(3) through above-mentioned gas heater freeze-proof control device, when central controller can not receive the signal of second current sensor, the control alarm is reported to the police, reminds the user to change the heating rod that corresponds, when central controller can not receive the signal of third current sensor, the control alarm is reported to the police, reminds the user to look over whether normal power supply is supplied to the battery, if the battery has the electricity but can not supply power, then be that the components and parts on the major loop are bad to have leaded to reserve battery can't provide the electric power storage.

Drawings

FIG. 1 is a schematic structural view of a gas water heater antifreeze control device provided by the present invention in combination with a gas water heater;

fig. 2 is a schematic structural diagram of a series connection of heating rods provided by the present invention;

fig. 3 is a schematic structural view of the heating rod provided by the present invention disposed on the cold and hot water pipe;

FIG. 4 is a functional structure diagram of a first embodiment of the antifreeze control device for a gas water heater with a storage battery according to the present invention;

FIG. 5 is a functional block diagram of a second embodiment of the antifreeze control device for a gas water heater with a storage battery according to the present invention;

FIG. 6 is a functional block diagram of a third embodiment of the antifreeze control device for a gas water heater with a storage battery according to the present invention;

FIG. 7a is a functional structure diagram of a fourth embodiment of the antifreeze control device for a gas water heater with a storage battery according to the present invention;

fig. 7b is a schematic structural diagram of a four-layer friction generator provided by the present invention.

Reference numerals: 10. a freeze-thaw preventer; 101. a housing base; 102. a cold water pipe; 103. a hot water pipe; 104. a main heat exchanger; 20. a rectangular heating rod; 30. a circular heating rod; 40. a power supply; 51. a first current sensor, 52, a second current sensor; 53. a third current sensor; 60. a storage battery; 70. an electric control switch; 80. a central controller; 90. an alarm; 200. a fuse; 300. a friction generator; 301. a first electrode layer; 302. a first high molecular polymer layer; 303. a third high molecular polymer layer; 304. a fourth electrode layer; 1011. and an air inlet.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 and 2, fig. 1 is a schematic view illustrating a structure of a gas water heater anti-freezing control device according to the present invention; fig. 2 illustrates a schematic structural diagram of the series connection of the heating rods provided by the present invention. An anti-freezing control device of a gas water heater comprises a freeze-breaking preventer 10, a control device and a control device, wherein the freeze-breaking preventer 10 is arranged on a shell base 101 of the gas water heater, and the freeze-breaking preventer 10 deforms due to the high and low temperature to automatically open or close a contact; referring to fig. 3, fig. 3 illustrates a schematic structural view of the heating rod disposed on the cold and hot water pipe, a plurality of heating rods, a rectangular heating rod 20 connected to the frost damage prevention device 10 and disposed at the middle of the cold water pipe 102, a circular heating rod 30 at the inlet of the cold water pipe 103, a circular heating rod 30 at the outlet of the hot water pipe 103, and a circular heating rod 30 at the outlet of the main heat exchanger 104; and a power supply 40 for heating the plurality of heating rods when the freezing damage preventer 10 is closed.

The specific freeze-thaw preventer 10 is a bimetallic strip temperature controlled switch of nemmax resident model PTS-12N, and because of the different thermal expansion coefficients of the component layers, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetallic strip will bend to one side of the passive layer, and the curvature of the composite material changes to generate deformation. Wherein, the active layer with higher expansion coefficient is called as the active layer; the lower expansion coefficient is called the passive layer.

The utility model discloses a freeze broken preventer 10 takes place to warp when temperature 6 3.5 degrees, makes contact closure switch-on power supply 40 give the heating rod heating, freezes broken preventer 10 and resumes former shape when temperature 16 4 degrees, makes the contact open, and power supply 40 does not supply power for the heating rod. Of course, the temperature-controlled switch capable of deforming due to temperature in the art may be substituted for the freeze-thaw preventer 10, and will not be described herein.

The utility model discloses a freeze and break preventer 10 is through setting up on shell base 101, and on non-cold water pipe 102 or hot-water line 103, avoided some water pipes to have heated or cooled, but the temperature of whole water heater has not risen and has frozen broken preventer 10 just disconnection or switch-on, and can not guarantee that the essence of the inside whole environment of water heater is frostproofing.

Referring to fig. 3, the heating rod is a resistor type. Wherein, the inlet of the cold water pipe 102, the outlet of the hot water pipe 103 and the outlet of the main heat exchanger 104 are coated with copper connectors 234 for connecting external water pipes, round holes for accommodating heating rods are formed in the copper connectors 234, and the shape of the heating rods is matched with the round holes and fixed in the round holes through rivets; the heating rod on the cold water pipe 102 is a rectangle fitting the shape of the cold water pipe 102, and the heating rod is fixed on the cold water pipe 102 through a bracket (not shown).

The utility model discloses a resistance-type heating rod has avoided coil heating in-process coil to age easily and lead to heating effect not good and need often change the trouble that the coil brought.

Example one

Referring to fig. 4, fig. 4 is a functional structure diagram of a gas water heater anti-freezing control device with a storage battery according to a first embodiment of the present invention. The anti-freezing control device further comprises a first current sensor 51 electrically connected to the common input terminals of the freezing prevention device 10 and all the heating rods, respectively, for detecting the presence or absence of current in the loop; and a storage battery 60 electrically connected to the common input terminal of all the heating rods, and supplied with power through the storage battery 60 when the power supply source 40 cannot supply power.

An electric control switch 70 provided between the heating rod and the storage battery 60 for controlling the opening or closing of the storage battery 60;

and a central controller 80 electrically connected to an output terminal of the first current sensor 51, for receiving the current detected by the first current sensor 51, wherein the central controller 80 controls the opening or closing of the electrically controlled switch 70 according to the electrical signal output by the first current sensor 51.

The heating rods can be arranged in series or in parallel, when the heating rods are arranged in series, the input end of each heating rod can be a common input end, and the first current sensor 51 is electrically connected with the input end of any one heating rod; when the respective heating rods are arranged in parallel, the first current sensor 51 is connected between the common input terminal of all the heating rods and the freeze damage preventer.

Example two

Referring to fig. 5, fig. 5 is a functional structure diagram of a antifreeze control device for a gas water heater with a storage battery according to a second embodiment of the present invention. Further, when a plurality of heating rods are arranged in parallel, a second current sensor 52 is correspondingly arranged at the output end of each heating rod, each second current sensor 52 is used for detecting whether current exists at the output end of the corresponding heating rod, and each second current sensor 52 is connected with the central controller 80.

The difference between the present embodiment and the first embodiment is that whether the corresponding heating rod works normally can be detected by arranging a corresponding second current sensor at each output end of the heating rods connected in series.

EXAMPLE III

Referring to fig. 6, fig. 6 is a functional structure diagram of a gas water heater anti-freezing control device with a storage battery according to a third embodiment of the present invention. Further, the anti-freezing control device of the gas water heater further comprises: the third current sensor 53 is arranged between the storage battery 80 and the electric control switch 70, the third current sensor 53 is also electrically connected with the central controller 80, and the central controller 80 controls the alarm 90 to alarm according to the current output signal of the second current sensor 52 or the third current sensor 53.

Further, the alarm 90 is connected to the central controller 80 by wire or wirelessly, and the alarm 90 may be any one of sound, light or short message alarm.

Further, a fuse 200 is connected between the common input of the heating rods and the power supply 60. Fuse 200 avoids current overload to burn out components

The above embodiment of the present embodiment is different in that whether the heating rods are arranged in series or in parallel, whether the storage battery actually supplies power to the heating rods is detected by providing the third current sensor 53.

Example four

Referring to fig. 7a and 7b, fig. 7a illustrates a functional structure diagram of a fourth embodiment of the antifreeze control device for a gas water heater with a storage battery according to the present invention, and fig. 7b illustrates a structure diagram of a friction generator with a four-layer structure according to the present invention. An air inlet 1011 is formed in the outer shell base 101, a friction generator 300 is arranged on the periphery of the air inlet 1011, the friction generator 300 is driven by wind to generate electricity through friction, and the friction generator 300 is of a three-layer structure, a four-layer structure, a five-layer intermediate film structure or a five-layer intermediate electrode structure.

The four-layer friction generator includes a first electrode layer 301, a first polymer layer 302, a second polymer layer 303, and a second electrode layer 304, which are stacked in this order.

The friction generator with the three-layer structure has one layer of the first high polymer layer or the second high polymer layer less than the friction generator with the four-layer structure.

The triboelectric generator with the five-layer structure has one more intermediate film or intermediate electrode than the triboelectric generator with the four-layer structure, which is arranged between the two polymer layers.

Preferably, the friction generator with the three-layer structure, the four-layer structure, the five-layer intermediate film structure or the five-layer intermediate electrode structure comprises a friction interface formed by two polymer layers or a polymer layer and an adjacent electrode layer, and at least one surface of the friction interface is provided with a protrusion array structure, so that the contact area of the friction interface is increased, the friction interface can be rapidly separated, and the power generation efficiency is improved.

Further, the output end of the friction generator 300 is electrically connected with the input end of the storage battery 80 for storing the electric energy generated by the friction generator 300.

Further, the friction generator 300 may be provided in plurality, and may be arranged near the air inlet 1011 in series or in parallel.

The difference between the embodiment and the above embodiment is that the friction generator 300 is further added, wind energy at the air inlet 1011 of the gas water heater is used for generating electricity, the collected wind energy is converted into electric energy, the electric energy is stored in the storage battery 60 and supplies power to the storage battery, a continuous electric energy source in the storage battery 60 is ensured, and waste of natural resources wind energy is avoided.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (10)

1. The utility model provides a gas heater controlling means that prevents frostbite which characterized in that: comprises that

The anti-freezing device (10) is arranged on a shell base (101) of the gas water heater, and the anti-freezing device (10) deforms due to the temperature and automatically opens or closes a contact;

a plurality of heating rods, which include a rectangular heating rod (20) electrically connected with the freezing damage preventer (10) and respectively arranged at the middle part of the cold water pipe (102), a round heating rod (30) at the inlet of the cold water pipe (102), a round heating rod (30) at the outlet of the hot water pipe (103) and a round heating rod (30) at the outlet of the main heat exchanger (104);

a power supply (40) for heating the plurality of heating rods when the freezing damage preventer (10) is closed.

2. The gas water heater antifreeze control of claim 1, further comprising:

a first current sensor (51) electrically connected to the frost damage preventer (10) and a common input terminal of all the heating rods, respectively, for detecting the presence or absence of a current in the circuit;

a storage battery (60) electrically connected to the common input terminal of all the heating rods, the storage battery (60) supplying power when the power supply (40) is unable to supply power;

an electric control switch (70) arranged between the heating rod and the storage battery (60) and used for controlling the opening or closing of the storage battery (60);

and the central controller (80) is electrically connected with the output end of the first current sensor (51) and is used for receiving the current detected by the first current sensor (51), and the central controller (80) controls the opening or closing of the electric control switch (70) according to the electric signal output by the first current sensor (51).

3. The gas water heater antifreeze control apparatus of claim 2, wherein: the heating rods are arranged in series or in parallel, when the heating rods are arranged in series, the input end of each heating rod can be a common input end, and the first current sensor (51) is electrically connected with the input end of any one heating rod; when the respective heating rods are arranged in parallel, the first current sensor (51) is connected between the common input terminal of all the heating rods and the freeze damage preventer (10).

4. The gas fired water heater antifreeze control of claim 3, wherein: when the plurality of heating rods are arranged in parallel, the output end of each heating rod is correspondingly provided with one second current sensor (52), each second current sensor (52) is used for detecting whether current exists at the output end of the corresponding heating rod, and each second current sensor (52) is connected with the central controller (80).

5. The gas water heater antifreeze control apparatus according to any one of claims 2 to 4, further comprising: the third current sensor (53) is arranged between the storage battery (60) and the electric control switch (70), the third current sensor (53) is also electrically connected with the central controller (80), and the central controller (80) controls the alarm (90) to alarm according to the current output signal of the second current sensor (52) or the third current sensor (53).

6. The anti-freezing control device of the gas water heater as claimed in claim 5, wherein the alarm (90) is connected with the central controller (80) in a wired or wireless way, and the alarm (90) can be any one of sound, light or short message alarm.

7. The anti-freezing control device of the gas water heater according to claim 1, wherein the inlet of the cold water pipe (102), the outlet of the hot water pipe (103) and the outlet of the main heat exchanger (104) are coated with copper connectors for connecting external water pipes, round holes for accommodating heating rods are formed in the copper connectors, the shapes of the heating rods are matched with the round holes, and the heating rods are fixed in the round holes through rivets; the heating rod on the cold water pipe (102) is a rectangle matched with the shape of the cold water pipe (102), and the heating rod is fixed on the cold water pipe (102) through a support.

8. Gas water heater antifreeze control device according to claim 7, characterized in that a fuse (200) is connected between said common input of said heating rods and the power supply (40).

9. The anti-freezing control device of the gas water heater according to claim 2, wherein an air inlet (1011) is formed in the housing base (101), a friction generator (300) is arranged on the periphery of the air inlet (1011), the friction generator (300) is driven by wind to generate electricity through friction, the friction generator (300) is a friction generator (300) with a three-layer structure, a four-layer structure, a five-layer intermediate film structure or a five-layer intermediate electrode structure, the friction generator (300) at least comprises two opposite surfaces forming a friction interface, and the friction generator (300) is provided with at least two electric energy output ends.

10. The gas water heater antifreeze control apparatus of claim 9, wherein said output of said friction generator (300) is connected to said input of said battery (60) for storing electrical energy generated by said friction generator (300).

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