CN112879610A - Intelligent temperature-sensing one-way valve and hot water system - Google Patents

Abstract

The invention discloses an intelligent temperature-sensing one-way valve and a hot water system, which are characterized by comprising the following components: the temperature control device comprises a first main body with a fluid channel, a second main body communicated with the first main body, a blocking cover used for opening and closing the fluid channel, and a thermal bulb arranged on the second main body and corresponding to the blocking cover; the second main body is also provided with a temperature adjusting component matched with the thermal bulb, and the temperature adjusting component is used for adjusting the relative position of the thermal bulb on the second main body. The intelligent temperature-sensing one-way valve is composed of a first main body, a second main body, a blocking cover and a temperature adjusting assembly, is simple in structure, easy to disassemble and convenient to maintain and clean, reliable, effective and low in cost, and can adjust the valve closing temperature through the temperature adjusting assembly to meet the water requirements of different temperatures.

Description

Intelligent temperature-sensing one-way valve and hot water system

Technical Field

The invention relates to the technical field of water heaters, in particular to an intelligent temperature-sensing one-way valve and a hot water system.

Background

When the zero-cold-water gas water heater is installed without a return pipe, the cold water pipe is used as the return pipe, and the cold water pipe and the hot water pipe are connected by using a connecting valve (a one-way valve) to form a circulation loop, and the preheating scheme matched with the zero-cold-water gas water heater has the following schemes: (1) all heating cold water pipe and hot-water line to the settlement temperature when preheating, this kind of scheme is after the circulation preheats, and cold water pipe and hot-water line all are hot water, cause the wasting of resources, and the cold water pipe is hot water to water purifier life-span influence moreover, and it is hot water to wash the closestool, brings not good user experience. (2) The user or after-sale installer set the working time of starting the water pump each time when in installation and debugging to be long, the difference of the lengths of the hot water pipes of different users is large, the user or after-sale sets the heating time length according to the actual condition, and when the user or after-sale installer sets the heating time length in summer, the heat dissipation is fast due to low ambient temperature in winter, and the condition that water of individual water consumption points is not hot can occur. (3) Chinese invention patent with application number CN201711296511.2 and chinese utility model patent with application number CN201620177786.9 both disclose temperature control valves that automatically control the on-off of water flow through the change of water flow temperature, but their structures are complicated, the cost of materials, processing and assembly is high, and the temperature of the closed valve cannot be adjusted.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide an intelligent temperature-sensing one-way valve which is simple in structure, low in cost and capable of adjusting the temperature of a closed valve.

Another object of the present invention is to provide a hot water system having the above-mentioned intelligent temperature-sensing one-way valve.

In order to achieve the purpose, the invention adopts the following technical scheme.

An intelligence temperature sensing check valve which characterized in that includes: the temperature control device comprises a first main body with a fluid channel, a second main body communicated with the first main body, a blocking cover used for opening and closing the fluid channel, and a thermal bulb arranged on the second main body and corresponding to the blocking cover; the second main body is also provided with a temperature adjusting component matched with the thermal bulb, and the temperature adjusting component is used for adjusting the relative position of the thermal bulb on the second main body.

As a further explanation of the above scheme, the bulb is arranged in the temperature adjusting assembly and is matched with the blocking cover through a bulb ejector rod penetrating out of the temperature adjusting assembly, and a protection spring is arranged between the bulb and the temperature adjusting assembly.

As a further explanation of the above scheme, a connection structure with an adjustable relative position is formed between the temperature adjustment assembly and the second main body, and the connection structure with an adjustable relative position includes a threaded connection and/or a snap connection.

As a further explanation of the above scheme, the temperature adjustment assembly includes a housing with openings at both ends, the bulb warming rod extends out from the opening at one end of the housing, and a spring bottom cover for limiting the protection spring is arranged on the opening at the other end of the housing; the spring bottom cover is detachably connected with the shell.

As a further explanation of the above scheme, a sealing rubber ring is arranged between the temperature adjusting assembly and the second main body.

As a further explanation of the above solution, an opening is provided on a side wall of the first body, and the second body is communicated with the first body through the opening.

As a further explanation of the above solution, the opening is an extension integrally formed on a side wall of the first body, and the extension is detachably connected with the second body.

As a further explanation of the above scheme, the blocking cover divides the first main body into a water inlet cavity and a water outlet cavity, a step is arranged at the water outlet end of the water inlet cavity, and the blocking cover is hinged with the first main body and covers the step.

As a further explanation of the above scheme, a pressing plate matched with the thermometer bulb ejector rod is arranged on the blocking cover, a limiting plate used for limiting the rotation of the blocking cover is arranged on one side of the pressing plate, and a clamping ring matched with the limiting plate is arranged on the first main body.

A water heating system, comprising: the water heater comprises a water heater, a hot water pipe and a water inlet pipe which are connected with the water heater, a water consumption point connected with the hot water pipe, and a cold water pipe connected with the water consumption point; the intelligent temperature-sensing one-way valve is characterized in that any one of the intelligent temperature-sensing one-way valves is arranged between the tail end of the hot water pipe and the cold water pipe; after the intelligent temperature-sensing one-way valve is installed, the first main body is located on the upper side of the second main body.

The invention has the beneficial effects.

The intelligent temperature-sensing one-way valve mainly comprises a first main body, a second main body, a plugging cover and a temperature-adjusting assembly, and is simple in structure, easy to disassemble, convenient to maintain and clean, reliable, effective and low in cost; meanwhile, the temperature of the closed valve can be adjusted through the temperature adjusting assembly, and the water requirements of different temperatures are met.

Secondly, a plug-cover type sealing structure is adopted, and the temperature cut-off function and the one-way valve function are achieved at the same time; simultaneously because the blanking cover is articulated with first main part, the blanking cover receives the effect of rivers and has rotated to open when the blanking cover does not receive the decurrent effort of bulb ejector pin, and rivers flow through the blanking cover below, and difficult accumulation impurity reduces the influence of silt to valve body closing temperature.

Thirdly, the hot water system applying the intelligent temperature sensing one-way valve can accurately judge and stop when the temperature of the hot water pipe reaches the bathing requirement temperature, so that the water heater stops circulating heating in time, all water points of the hot water pipe are guaranteed to achieve the effect of instant heating and instant heating, and energy is saved; meanwhile, the user can manually adjust the temperature adjusting component according to different actual needs, so that the cut-off temperature of the intelligent temperature sensing one-way valve can be changed, and the individual use requirements are met; in addition, the time for instant heating is not required to be set manually according to the length of the pipeline, errors caused by the problems of pipelines, water pressure fluctuation and air pressure fluctuation in an intelligent learning mode are avoided, and the user experience effect is far superior to that of the prior art.

Drawings

Fig. 1 is a sectional view of an intelligent temperature-sensing check valve according to the present invention.

Fig. 2 is a schematic view illustrating the installation of the hot water system according to the present invention.

Reference numerals indicate the same.

1: spring bottom cover, 2: protection spring, 3: temperature bulb, 4: plug cover, 5: first body, 6: temperature adjustment assembly, 7: sealing rubber ring, 8: second body, 9: a bulb ejector rod, 10: collar, 11: hot water pipe, 12: a cold water pipe.

100: intelligent temperature-sensing one-way valve, 200: a water heater.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present invention, unless otherwise specified and limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.

The first embodiment.

As shown in fig. 1, an intelligent temperature-sensing one-way valve is characterized by comprising: a first body 5 with a fluid passage, a second body 8 communicated with the first body 5, a plugging cover 4 for opening and closing the fluid passage, and a thermal bulb 3 arranged on the second body 8 and corresponding to the plugging cover 4; the second body 8 is also provided with a temperature adjusting component 6 matched with the bulb 3, and the temperature adjusting component 6 is used for adjusting the relative position of the bulb 3 on the second body 8.

The temperature bulb 3 is arranged in the temperature adjusting component 6, and is matched with the blocking cover 4 through a temperature bulb ejector rod 9 penetrating out of the temperature adjusting component 6, and a protection spring 2 is arranged between the temperature bulb 3 and the temperature adjusting component 6.

A connection structure with an adjustable relative position is formed between the temperature component 6 and the second main body 8, and the connection structure with the adjustable relative position comprises a threaded connection and/or a buckling connection.

Preferably, an opening is provided on a side wall of the first body 5, through which the second body 8 communicates with the first body 5. The opening is the integrated into one piece extension on the lateral wall of first main part 5, extension with second main part 8 can dismantle the connection. In this embodiment, the extension and the second body are connected or clamped by a screw thread. A seal ring is disposed between the extension and the second body. The first body 5 and the second body 8 are easily disassembled, and are convenient to maintain and clean.

The blanking cover 4 divides the first main body into a water inlet cavity and a water outlet cavity, a step is arranged at the water outlet end of the water inlet cavity, and the blanking cover 4 is hinged with the first main body 5 and covers the step.

The plug cover 4 is provided with a pressing plate matched with the thermometer bulb ejector rod 9, one side of the pressing plate is provided with a limiting plate used for limiting the plug cover to rotate, and the extending part is provided with a clamping ring 10 matched with the limiting plate. An included angle is formed between the pressing plate and the limiting plate. In this embodiment, the limiting plate is located on the right side of the pressing plate, the limiting plate is clamped between the clamping ring and the step, when the temperature reaches a set value, the thermal bulb expands under heat to enable the thermal bulb ejector rod to extend to push the pressing plate so as to push the blocking cover to be arranged on the step of the water inlet cavity to complete the valve closing action, and the limiting plate and the clamping ring abut against each other to limit the blocking cover; when the water temperature is reduced to a set value and the temperature bulb is recovered to be in a normal size, the temperature bulb ejector rod is shortened, the pressing plate is not subjected to the downward acting force of the temperature bulb ejector rod, and the blocking cover rotates to leave the step under the action of water flow of the water inlet cavity. The water flow is not easy to accumulate impurities below the blocking cover, and the influence of silt on the valve closing temperature of the valve body is reduced.

Further preferably, paraffin is filled in the thermal bulb 3, the volume of the paraffin is increased along with the rise of temperature, and the expansion of the paraffin drives the thermal bulb ejector rod to extend. The one-way valve can be switched on or off according to the temperature change of water flow by utilizing the displacement generated by the extension of the thermometer bulb ejector rod.

A sealing rubber ring 7 is arranged between the temperature regulating component 6 and the second main body 8.

The temperature adjusting assembly 6 comprises a shell with openings at two ends, the thermometer bulb ejector rod 9 extends out of the opening at one end of the shell, and a spring bottom cover 1 for limiting the protection spring 2 is arranged on the opening at the other end of the shell; the spring bottom cover 1 is detachably connected with the shell. Preferably, the spring bottom cover 1 and the housing are in threaded connection.

Example two.

Referring to fig. 2, a water heating system includes: the water heater comprises a water heater 200, a hot water pipe 11 and a water inlet pipe which are connected with the water heater, a plurality of water consumption points which are connected with the hot water pipe 11, and a cold water pipe 12 which is connected with each water consumption point; characterized in that the intelligent temperature-sensing one-way valve as claimed in any one of claims 1 to 9 is installed between the tail end of the hot water pipe and the cold water pipe; after the intelligent temperature-sensing one-way valve is installed, the first main body is located on the upper side of the second main body. The hot water pipe, the cold water pipe, the water inlet pipe and the water heater form a circulation loop, the intelligent temperature-sensing one-way valve 100 accurately judges and stops when the temperature of the hot water pipe reaches the bathing requirement temperature, the water heater 200 stops circulating heating in time, all water points of the hot water pipe are guaranteed to achieve the effect of instant heating when the hot water pipe is opened, energy is saved, and the instant heating time length does not need to be set manually according to the length of a pipeline; in addition, errors caused by the problems of pipelines, water pressure fluctuation and air pressure fluctuation in an intelligent learning mode are avoided, and therefore user experience is prevented from being influenced.

It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the invention as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. An intelligence temperature sensing check valve which characterized in that includes: the temperature control device comprises a first main body with a fluid channel, a second main body communicated with the first main body, a blocking cover used for opening and closing the fluid channel, and a thermal bulb arranged on the second main body and corresponding to the blocking cover; the second main body is also provided with a temperature adjusting component matched with the thermal bulb, and the temperature adjusting component is used for adjusting the relative position of the thermal bulb on the second main body.

2. The intelligent temperature-sensing one-way valve according to claim 1, wherein the bulb is arranged in the temperature-regulating component and is matched with the plug cover through a bulb ejector rod penetrating out of the temperature-regulating component, and a protection spring is arranged between the bulb and the temperature-regulating component.

3. The intelligent temperature-sensing one-way valve according to claim 2, wherein a connection structure with an adjustable relative position is formed between the temperature regulating assembly and the second body, and the connection structure with an adjustable relative position comprises a threaded connection and/or a snap connection.

4. The intelligent temperature-sensing one-way valve according to claim 2, wherein the temperature-regulating assembly comprises a housing with openings at both ends, the bulb-warming push rod extends out from the opening at one end of the housing, and a spring bottom cover for limiting the protection spring is arranged on the opening at the other end of the housing; the spring bottom cover is detachably connected with the shell.

5. The intelligent temperature-sensing one-way valve according to claim 1 or 2, wherein a sealing rubber ring is arranged between the temperature-regulating component and the second body.

6. The intelligent temperature-sensing one-way valve according to claim 1, wherein an opening is provided on a sidewall of the first body, and the second body is communicated with the first body through the opening.

7. The intelligent temperature-sensing one-way valve according to claim 6, wherein the opening is an extension integrally formed on a side wall of the first body, and the extension is detachably connected with the second body.

8. The intelligent temperature-sensing one-way valve according to claim 1, wherein the cap divides the first body into an inlet chamber and an outlet chamber, a step is provided at the outlet end of the inlet chamber, and the cap is hinged to the first body and covers the step.

9. The intelligent temperature-sensing one-way valve according to claim 8, wherein a pressing plate is arranged on the blanking cap and is matched with the bulb ejector rod, a limiting plate for limiting rotation of the blanking cap is arranged on one side of the pressing plate, and a collar matched with the limiting plate is arranged on the first main body.

10. A water heating system, comprising: the water heater comprises a water heater, a hot water pipe and a water inlet pipe which are connected with the water heater, a water consumption point connected with the hot water pipe, and a cold water pipe connected with the water consumption point; characterized in that the intelligent temperature-sensing one-way valve as claimed in any one of claims 1 to 9 is installed between the tail end of the hot water pipe and the cold water pipe; after the intelligent temperature-sensing one-way valve is installed, the first main body is located on the upper side of the second main body.

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