CN213687317U - Electric three-way valve and gas water heater - Google Patents

Electric three-way valve and gas water heater Download PDF

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Publication number
CN213687317U
CN213687317U CN202022374346.1U CN202022374346U CN213687317U CN 213687317 U CN213687317 U CN 213687317U CN 202022374346 U CN202022374346 U CN 202022374346U CN 213687317 U CN213687317 U CN 213687317U
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water
channel
water inlet
electric
way valve
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CN202022374346.1U
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艾穗江
门秀利
邓海燕
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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Abstract

The utility model discloses an electric three-way valve, include: the valve body is provided with a water inlet channel, a water outlet channel and a bypass channel, a valve core controlled by a driving device is arranged in the valve body, the valve core is provided with a main communicating station and a bypass station, when the valve core is positioned at the main communicating station, the water inlet channel is communicated with the water outlet channel, and when the valve core is positioned at the bypass station, the water inlet channel is communicated with the bypass channel; the water inlet temperature sensing probe is arranged in the water inlet channel; and the water flow sensor is arranged on the water outlet channel. When the water temperature of the water inlet channel is higher than the preset value, the valve core in the valve body is switched to the bypass station under the driving of the driving device, the water inlet channel is communicated with the bypass channel, and the water inlet channel is not communicated with the water outlet channel, so that high-temperature water does not flow through the water flow sensor and the heat exchanger of the gas water heater, the gas water heater is prevented from secondarily heating high-temperature water, and the water flow sensor is effectively protected. And simultaneously, the utility model also provides a gas heater of using above-mentioned electric three-way valve.

Description

Electric three-way valve and gas water heater
Technical Field
The utility model relates to a water heater technical field, in particular to electric three-way valve and gas heater.
Background
The existing water heaters on the market are mainly gas water heaters, solar water heaters and air energy water heaters, wherein the solar water heaters and the air energy water heaters have the advantages of high thermal efficiency and environmental protection, but are limited by climatic conditions when used, and have poor hot water effect when used in rainy days or cold seasons; the gas water heater is not affected by the environment, and a user can enjoy comfortable hot water at any time, but compared with a solar water heater and an air energy water heater, the gas water heater has low heat efficiency and is not environment-friendly. If the gas water heater and the solar water heater or the air energy water heater are combined into the composite energy hot water system, the purposes of high heat efficiency, environmental protection and comfortable hot water enjoying at any time can be achieved.
However, the existing composite energy hot water system has the following disadvantages: 1. after the high-temperature water heated by the solar water heater or the air energy water heater is introduced into the gas water heater, the gas water heater is still started to heat, so that the outlet water temperature is overhigh, and gas resources are wasted; 2. when high-temperature water often flows through the water flow sensor of the gas water heater, water scale is easily accumulated in the rotor of the water flow sensor, and the high-temperature water damages the Hall element of the water flow sensor, so that the water flow sensor is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic three-way valve to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The utility model also provides a gas heater of having above-mentioned electronic three-way valve.
According to the utility model discloses an electric three-way valve of first aspect embodiment, include:
the valve body is provided with a water inlet channel, a water outlet channel and a bypass channel, a valve core controlled by a driving device is arranged in the valve body, the valve core is provided with a main communicating station and a bypass station, when the valve core is positioned at the main communicating station, the water inlet channel is communicated with the water outlet channel, and when the valve core is positioned at the bypass station, the water inlet channel is communicated with the bypass channel;
the water inlet temperature sensing probe is arranged in the water inlet channel and is in communication connection with the driving device;
and the water flow sensor is arranged on the water outlet channel.
It should be noted that the water inlet channel of the electric three-way valve is used for being connected with the water outlet connection pipe of the solar water heater or the air energy water heater, the water outlet channel of the electric three-way valve is used for being connected with the water inlet pipe of the gas water heater, the water outlet pipe of the gas water heater is connected with the bypass pipe, the bypass channel of the electric three-way valve is used for being connected with the bypass pipe, and the gas water heater and the solar water heater or the air energy water heater are combined into the composite energy hot water system through the electric three-.
According to the utility model discloses electric three-way valve has following beneficial effect at least: when the water outlet temperature of the solar water heater or the air energy water heater is higher than a preset value, the valve core in the valve body is switched to a bypass station under the driving of the driving device, at the moment, the water inlet channel is communicated with the bypass channel, and the water inlet channel is not communicated with the water outlet channel, so that high-temperature water does not flow through the water flow sensor and a heat exchanger of the gas water heater, the gas water heater is prevented from secondarily heating the high-temperature water, and the water flow sensor is effectively protected; when the water outlet temperature of the solar water heater or the air energy water heater is lower than a preset value, the valve core in the valve body is switched to the main communicating station under the driving of the driving device, the water inlet channel is communicated with the water outlet channel, and the water inlet channel is not communicated with the bypass channel, so that the gas water heater can carry out secondary heating on warm water, and the normal supply of the hot water is ensured. In addition, the temperature sensing probe of intaking and water flow sensor integration can reduce the quantity of attach fitting in the valve body to reduce the risk that the seepage or leak takes place in the water route.
According to the utility model discloses a some embodiments, the exhalant canal is equipped with first passway, bypass channel is equipped with the second passway, inhalant canal with the exhalant canal passes through first passway communicates, inhalant canal with bypass channel passes through the second passway communicates. The first passage opening and the second passage opening are used for being matched with the valve core.
According to some embodiments of the present invention, in order to simplify the structure of the valve element, the first passage port and the second passage port are coaxially disposed.
According to some embodiments of the utility model, the case is including removing axle, first cock portion and second cock portion, first cock portion with the equal fixed connection of second cock portion is in remove epaxially, remove the axle with drive arrangement connects. The first plug part is used for being matched with the first passage port, and the second plug part is used for being matched with the second passage port.
According to some embodiments of the present invention, the driving device controls the moving shaft to perform linear movement, so that the first plug portion and the second plug portion can be respectively opened and closed to the first passage port and the second passage port. When the first plug part closes the first passage port, the second plug part opens the second passage port, and the valve core is positioned at a bypass station; when the first plug part opens the first passage port, the second plug part closes the second passage port, and the valve core is at a main communicating station.
According to the utility model discloses a some embodiments, first stopper portion is equipped with the regulation section, adjust the section orientation first passway, the through-flow that the regulation section is used for adjusting between water inlet channel and the water outlet channel, and gas heater can control leaving water temperature through the size of through-flow.
According to the utility model discloses a some embodiments, in order to make the case can accurately control the through-flow between inhalant canal and the exhalant canal, drive arrangement is step motor.
According to some embodiments of the present invention, the stepping motor is connected to a transmission mechanism, and the transmission mechanism drives the valve element to rotate; the valve comprises a valve body and is characterized in that a shaft sleeve is fixedly connected in the valve body, the shaft sleeve is sleeved outside a valve core, the shaft sleeve is provided with an internal thread, and the valve core is provided with an external thread which is connected with the internal thread in a matching manner. Through the thread fit of the two, when the stepping motor drives the valve core to rotate, the valve core can move linearly relative to the shaft sleeve.
According to the utility model discloses a gas heater of second aspect embodiment, including combustor, inlet tube, heat exchanger, outlet pipe and foretell electronic three-way valve, the combustor is used for heating the heat exchanger, inlet tube, heat exchanger and outlet pipe are connected in order, the outlet pipe is connected with the bypass pipe; the water inlet channel of the electric three-way valve is connected with an external water pipe, the water outlet channel of the electric three-way valve is connected with the water inlet pipe, and the bypass channel of the electric three-way valve is connected with the bypass pipe.
According to the utility model discloses gas heater has following beneficial effect at least: after the electric three-way valve is adopted, the gas water heater can be better used with a solar water heater or an air energy water heater in a composite mode, so that the purposes of high heat efficiency, environmental protection and capability of enjoying hot water at any time are achieved.
According to some embodiments of the utility model, the outlet pipe is provided with out water temperature sensing probe. The water outlet temperature sensing probe is used for detecting the water temperature in the water outlet pipe so as to adjust the water outlet temperature of the gas water heater.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an electric three-way valve according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hybrid energy hot water system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1, the electric three-way valve 10 according to the embodiment of the first aspect of the present invention includes a valve body 100, wherein the valve body 100 is provided with a water inlet passage 110, a water outlet passage 120 and a bypass passage 130, which are communicated with each other, and a valve cavity is formed among the water inlet passage 110, the water outlet passage 120 and the bypass passage 130; the water inlet passage 110 and the water outlet passage 120 are both vertically arranged, the bypass passage 130 is horizontally arranged, an inlet of the water inlet passage 110 faces downwards, an outlet of the water outlet passage 120 faces upwards, and an outlet of the bypass passage 130 faces leftwards or rightwards. In order to improve the integration of the electric three-way valve 10 and reduce the risk of water leakage or leakage in the water path, the water inlet channel 110 is provided with a water inlet temperature sensing probe 200, the water inlet temperature sensing probe 200 is used for detecting the water temperature in the water inlet channel 110, the water outlet channel 120 is provided with a water flow sensor 300, and the water flow sensor 300 is used for detecting the water flow in the water outlet channel 120. It should be noted that the water inlet channel 110 of the electric three-way valve 10 is used to connect with the water outlet connection pipe 31 of a solar water heater or an air energy water heater (hereinafter, referred to as a non-gas water heater 30), the water outlet channel 120 of the electric three-way valve 10 is used to connect with the water inlet pipe 22 of the gas water heater 20, the water outlet pipe 24 of the gas water heater 20 is connected with the by-pass pipe 25, the by-pass channel 130 of the electric three-way valve 10 is used to connect with the by-pass pipe 25, and the gas water heater 20 and the non-gas water heater 30 are combined into a composite energy hot.
Further, the water outlet passage 120 is provided with a first passage port 121, the bypass passage 130 is provided with a second passage port 131, the water inlet passage 110 is communicated with the water outlet passage 120 through the first passage port 121, and the water inlet passage 110 is communicated with the bypass passage 130 through the second passage port 131. In addition, a valve element 500 controlled by the driving device 400 is disposed in the valve body 100, the valve element 500 is specifically located in the valve cavity, the valve element 500 includes a moving shaft 510, a first plug portion 520 and a second plug portion 530, the first plug portion 520 and the second plug portion 530 are both fixedly connected to the moving shaft 510, a distance between the first plug portion 520 and the second plug portion 530 is not changed, the first plug portion 520 is used for being matched with the first passage port 121, and the second plug portion 530 is used for being matched with the second passage port 131. The moving shaft 510 is connected to the driving device 400, the driving device 400 may be a stepping motor or an electromagnetic device, and the driving device 400 may control the moving shaft 510 to move linearly, so that the first plug 520 and the second plug 530 may open and close the first passage opening 121 and the second passage opening 131, respectively. When the first plug portion 520 closes the first passage port 121, the second plug portion 530 opens the second passage port 131, and the valve element 500 is in a bypass position; when the first plug portion 520 opens the first port 121, the second plug portion 530 closes the second port 131, and the valve element 500 is in a main passage position.
The water inlet temperature sensing probe 200 is in communication connection with the driving device 400, when the water outlet temperature of the non-gas water heater 30 is higher than a preset value, that is, when the water inlet temperature sensing probe 200 detects that the water temperature in the water inlet channel 110 is higher than the preset value, the valve core 500 in the valve body 100 is switched to a bypass station under the driving of the driving device 400, at this time, the water inlet channel 110 is communicated with the bypass channel 130, and the water inlet channel 110 is not communicated with the water outlet channel 120, so that the high-temperature water does not flow through the water flow sensor 300 and the heat exchanger 23 of the gas water heater 20, secondary heating of the high-temperature water by the gas water heater 20 is avoided, and the water flow sensor 300 can; when the temperature of the outlet water of the non-gas water heater 30 is lower than a preset value, that is, when the temperature-sensing probe 200 detects that the temperature of the water in the water inlet channel 110 is lower than the preset value, the valve core 500 in the valve body 100 is switched to the main communication station under the driving of the driving device 400, at this time, the water inlet channel 110 is communicated with the water outlet channel 120, and the water inlet channel 110 is not communicated with the bypass channel 130, so that the gas water heater 20 can secondarily heat the warm water, and the normal supply of the hot water is ensured.
In some embodiments of the present invention, in order to simplify the structure of the valve core 500, the first passage port 121 and the second passage port 131 are coaxially disposed, and at this time, the movable shaft 510 is a linear structure.
In some embodiments of the present invention, in order to adjust the through-flow between the inlet channel 110 and the outlet channel 120, the first plug portion 520 is provided with the adjusting section 521, the adjusting section 521 faces towards the first passage port 121, the adjusting section 521 can be selected to be a truncated cone structure, and along with the first plug portion 520 goes deep into the first passage port 121 gradually, the through-flow between the inlet channel 110 and the outlet channel 120 also gradually decreases, until the first plug portion 520 completely seals the first passage port 121. The gas water heater 20 can control the outlet water temperature according to the magnitude of the through-flow, for example, when the combustion power of the gas water heater 20 is constant, the outlet water temperature of the gas water heater 20 gradually decreases with the gradual increase of the through-flow, and otherwise, the outlet water temperature of the gas water heater 20 gradually increases.
Further, since it is difficult for the solenoid device to drive the valve element 500 to perform fine motion, the driving device 400 is preferably a stepping motor in order to enable the valve element 500 to accurately control the flow rate between the water inlet passage 110 and the water outlet passage 120. The stepping motor is in transmission connection with a transmission mechanism 410, and the transmission mechanism 410 drives the moving shaft 510 to rotate; meanwhile, a shaft sleeve 600 is fixedly connected to the inside of the valve body 100, the shaft sleeve 600 is sleeved outside the movable shaft 510, the shaft sleeve 600 is provided with an internal thread, the movable shaft 510 is provided with an external thread which is connected with the internal thread in a matching manner, and the movable shaft 510 is matched with the shaft sleeve 600 through the threads of the movable shaft 510 and the shaft sleeve 600, so that when the stepping motor drives the movable shaft 510 to rotate, the movable shaft 510 can linearly move relative to the shaft sleeve 600, and the linear movement of the valve element 500 is realized.
As shown in fig. 2, the gas water heater 20 according to the embodiment of the second aspect of the present invention, including the electric three-way valve 10 according to the embodiment of the first aspect of the present invention, further includes a burner 21, a water inlet pipe 22, a heat exchanger 23 and a water outlet pipe 24, the burner 21 is located right below the heat exchanger 23, the burner 21 is used for heating the heat exchanger 23, the water inlet pipe 22, the heat exchanger 23 and the water outlet pipe 24 are connected in sequence, and the water outlet pipe 24 is connected with a bypass pipe 25; the water inlet channel 110 of the electric three-way valve 10 is connected with the water outlet pipe 24 of the non-gas water heater 30, the water outlet channel 120 of the electric three-way valve 10 is connected with the water inlet pipe 22, and the bypass channel 130 of the electric three-way valve 10 is connected with the bypass pipe 25. After the electric three-way valve 10 is adopted, the gas water heater 20 can be better complemented with the non-gas water heater 30, so that the purposes of high heat efficiency, environmental protection and hot water enjoying at any time are achieved.
In some embodiments of the present invention, in order to enable the gas water heater 20 to adjust the water outlet temperature thereof, the water outlet pipe 24 is provided with a water outlet temperature sensing probe 26, and the water outlet temperature sensing probe 26 is used to detect the water temperature in the water pipe 24. When the gas water heater 20 works, if the water temperature detected by the water outlet temperature sensing probe 26 is lower than a temperature value preset by a user, the gas water heater 20 can raise the water outlet temperature of the gas water heater 20 by raising the combustion power or reducing the through-flow of the water outlet passage 120 in the electric three-way valve 10; if the temperature of the water detected by the temperature-sensing probe 26 exceeds a preset temperature value, the gas water heater 20 can reduce the temperature of the water discharged from the gas water heater 20 by reducing the combustion power or increasing the flow rate of the water discharging passage 120 in the electric three-way valve 10.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. Electric three-way valve, characterized by comprising:
the valve body is provided with a water inlet channel, a water outlet channel and a bypass channel, a valve core controlled by a driving device is arranged in the valve body, the valve core is provided with a main communicating station and a bypass station, when the valve core is positioned at the main communicating station, the water inlet channel is communicated with the water outlet channel, and when the valve core is positioned at the bypass station, the water inlet channel is communicated with the bypass channel;
the water inlet temperature sensing probe is arranged in the water inlet channel and is in communication connection with the driving device;
and the water flow sensor is arranged on the water outlet channel.
2. An electric three-way valve according to claim 1, characterized in that: the water outlet channel is provided with a first channel port, the bypass channel is provided with a second channel port, the water inlet channel is communicated with the water outlet channel through the first channel port, and the water inlet channel is communicated with the bypass channel through the second channel port.
3. An electric three-way valve according to claim 2, characterized in that: the first passage opening and the second passage opening are coaxially arranged.
4. An electric three-way valve according to claim 2 or 3, characterized in that: the valve core comprises a moving shaft, a first plug part and a second plug part, the first plug part and the second plug part are fixedly connected to the moving shaft, and the moving shaft is connected with the driving device.
5. The electric three-way valve according to claim 4, characterized in that: the driving device controls the moving shaft to move linearly, so that the first plug part and the second plug part can respectively open and close the first passage port and the second passage port.
6. An electrically operated three-way valve according to claim 5, characterized in that: the first plug portion is provided with an adjusting section, the adjusting section faces the first channel port, and the adjusting section is used for adjusting through-flow between the water inlet channel and the water outlet channel.
7. An electric three-way valve according to claim 1, characterized in that: the driving device is a stepping motor.
8. The electric three-way valve according to claim 7, characterized in that: the stepping motor is in transmission connection with a transmission mechanism, and the transmission mechanism drives the valve core to rotate; the valve comprises a valve body and is characterized in that a shaft sleeve is fixedly connected in the valve body, the shaft sleeve is sleeved outside a valve core, the shaft sleeve is provided with an internal thread, and the valve core is provided with an external thread which is connected with the internal thread in a matching manner.
9. Gas water heater, characterized in that it comprises an electric three-way valve according to any one of claims 1 to 8, and further comprises: the burner is used for heating the heat exchanger, the water inlet pipe, the heat exchanger and the water outlet pipe are sequentially connected, and the water outlet pipe is connected with a bypass pipe; the water inlet channel of the electric three-way valve is connected with an external water pipe, the water outlet channel of the electric three-way valve is connected with the water inlet pipe, and the bypass channel of the electric three-way valve is connected with the bypass pipe.
10. The gas water heater of claim 9, wherein: the water outlet pipe is provided with a water outlet temperature sensing probe.
CN202022374346.1U 2020-10-22 2020-10-22 Electric three-way valve and gas water heater Active CN213687317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022374346.1U CN213687317U (en) 2020-10-22 2020-10-22 Electric three-way valve and gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022374346.1U CN213687317U (en) 2020-10-22 2020-10-22 Electric three-way valve and gas water heater

Publications (1)

Publication Number Publication Date
CN213687317U true CN213687317U (en) 2021-07-13

Family

ID=76759230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022374346.1U Active CN213687317U (en) 2020-10-22 2020-10-22 Electric three-way valve and gas water heater

Country Status (1)

Country Link
CN (1) CN213687317U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4219986A1 (en) 2022-01-31 2023-08-02 Pittway Sarl 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4219986A1 (en) 2022-01-31 2023-08-02 Pittway Sarl 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same
WO2023143851A1 (en) 2022-01-31 2023-08-03 Pittway Sarl 3-way fluid valve, appliance for handling a fluid flow having a 3-way fluid valve and water heater having a 3-way fluid valve and methods to operate the same

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