CN218480752U - Constant temperature device and gas heater of rethreading - Google Patents
Constant temperature device and gas heater of rethreading Download PDFInfo
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- CN218480752U CN218480752U CN202022442977.2U CN202022442977U CN218480752U CN 218480752 U CN218480752 U CN 218480752U CN 202022442977 U CN202022442977 U CN 202022442977U CN 218480752 U CN218480752 U CN 218480752U
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Abstract
The utility model provides a go out water constant temperature equipment and gas heater again. The water re-outlet constant temperature device comprises a water inlet pipe, a combustion heat exchange system, a water outlet pipe, an inner circulating pipe, a temperature detection module and a control module which are sequentially communicated. Two ends of the internal circulation pipe are respectively connected with the water inlet pipe and the water outlet pipe, and an internal circulation water path is formed between the internal circulation pipe and the combustion heat exchange system; the temperature detection module is connected to the water inlet pipe; the input end of the control module is electrically connected to the temperature detection mechanism, and the output end of the control module is electrically connected to the combustion heat exchange system. For the re-water-outlet constant temperature device, when a user opens the hot water faucet again in a short time, the water outlet temperature can be ensured to be close to the set temperature in the non-heating time of ignition and fire transmission, so that the temperature drop phenomenon of re-water outlet is greatly relieved.
Description
Technical Field
The utility model relates to a go out water constant temperature equipment and gas heater again.
Background
The situation that water is switched on and off frequently occurs in the use process of the gas water heater, after hot water is switched on for a period of time, the water is switched off again, the water is filled in the water outlet pipe, cold water is filled in the water inlet pipe at the front end of the gas water heater, when water is boiled again immediately, ignition and fire transfer are needed when the gas water heater is started, and the gas water heater can be combusted according to the water temperature required by a user after the processes are finished. Therefore, a user can feel that the water temperature is hot (the hot water left in the water outlet pipeline before) at the head end of the water faucet, then the water temperature slowly becomes cold (the cold water generated in the ignition and fire transfer processes) and then becomes hot (the hot water is burnt out by the gas water heater according to requirements), and the water temperature experience is particularly poor. This phenomenon is called the temperature drop of the effluent.
At present, a thermal pond is used in the market to solve the problem of temperature drop of the re-yielding water. The thermal power pool structure is directly arranged in the water outlet channel of the water heater, and the hot water which is just burnt out can flow out after being mixed with the hot water in the thermal power pool, so that a user can wait for a long time for the water outlet temperature of the faucet to reach the set temperature when using the water for the first time. And the heat pool needs a certain water storage capacity, so the volume is large, and the heat pool is difficult to arrange in a machine.
In addition, the gas water heater in the prior art has a method of preheating cold water in a pipeline by using a circulating water pump, namely, a zero-cold-water heater. After a user sets a zero cold water function, cold water of the water inlet pipe and the water outlet pipe is circularly preheated and combusted, and the structure can ensure that hot water is filled in the pipeline when water is discharged for the first time. However, the zero-cold water heater still has the above-mentioned problem of re-outlet temperature drop when re-outlet water in a short time after water is turned off.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a play water constant temperature equipment and gas heater again in order to overcome the defect that the temperature drop phenomenon appears easily when gas heater goes out water again among the prior art.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a go out water constant temperature equipment again, is including the inlet tube, the burning heat transfer system and the outlet pipe that communicate in proper order, it still includes to go out water constant temperature equipment again:
the two ends of the internal circulation pipe are respectively connected with the water inlet pipe and the water outlet pipe, and an internal circulation water path is formed between the internal circulation pipe and the combustion heat exchange system;
the temperature detection module is connected to the water inlet pipe;
and the input end of the control module is electrically connected with the temperature detection mechanism, and the output end of the control module is electrically connected with the combustion heat exchange system.
In this scheme, the user has just used hot water, closes tap after, rivers inner loop burning in the inner loop water route, until temperature detection module detects that the temperature in the inlet pipe reaches the settlement temperature, control module control burning heat transfer system stops the burning. The arrangement ensures that the cold water section at the front end of the combustion heat exchange system in the water inlet pipe originally exists and is also changed into the hot water section in a post-heating mode after the hot water is used up for the first time. When the user opens the hot water tap again in a short time, the hot water can ensure that the water outlet temperature is close to the set temperature in the non-heating time of ignition and fire transmission, thereby greatly relieving the temperature drop phenomenon of the re-outlet water. This scheme simple structure occupies smallly, the installation of being convenient for.
Preferably, the re-outlet water constant temperature device further comprises an adjusting mechanism, the control module is electrically connected to the adjusting mechanism, and the control module is used for controlling the adjusting mechanism to adjust the communication or disconnection between the inner circulation pipe and the outlet pipe.
In this scheme, adjustment mechanism is used for realizing rivers including the switching between circulation water route and the normal water route of going out. Under the condition that a user normally uses water, the water outlet pipe and the inner circulating pipe are cut off, and water flows into the water inlet pipe, burns and exchanges heat, and then flows out of the water outlet pipe to the water outlet, so that hot water is provided for the user; when a user does not use hot water and sets a zero-cold-water function, the water outlet pipe and the inner circulating pipe are closed, and the function is consistent with the existing zero-cold-water machine type; when the user just uses the hot water and closes the water tap, the water outlet pipe is communicated with the internal circulation pipe to form an internal circulation heating water path.
Preferably, the adjusting mechanism includes an automatic three-way valve, a first end and a third end of which are connected to the water inlet pipe, and a second end of which is connected to the internal circulation pipe.
In this scheme, automatic three-way valve first end and third end are opened, and when the second end was shutoff, normal water route of going out formed, and automatic three-way valve first end and second end are opened, and when the third end was shutoff, the inner loop water route was formed.
Preferably, the adjusting mechanism comprises a shut-off valve provided on the inner circulation pipe.
In this scheme, when the stop valve was opened, formed the inner loop water route, when the stop valve was closed, formed normal water route.
Preferably, the re-outlet water constant temperature device further comprises a circulating water pump, and the circulating water pump is arranged on the internal circulating water path.
In this solution, the circulating water pump is used to circulate the water flow.
Preferably, the re-outflow constant temperature device further comprises a flow sensor, the flow sensor is arranged on the water inlet pipe, and an output end of the flow sensor is electrically connected to an input end of the control module.
In the scheme, the flow sensor is used for detecting the instantaneous flow, and the tap is closed when the instantaneous flow is 0.
Preferably, the temperature detection module comprises a first temperature sensor, the first temperature sensor is arranged at one end of the water inlet pipe close to the combustion heat exchange system, and an output end of the first temperature sensor is electrically connected to an input end of the control module.
In this arrangement, the first temperature sensor is disposed near the inlet of the combustion heat exchange system so that the temperature detected during the inner cycle may reflect the temperature of the entire front end water section.
Preferably, the temperature detection module further comprises a second temperature sensor, the second temperature sensor is arranged on the water outlet pipe, and an output end of the second temperature sensor is electrically connected to an input end of the control module.
In the scheme, the second temperature sensor is used for monitoring whether the outlet water temperature exceeds 50 ℃ or a set safe temperature, and if the outlet water temperature exceeds the set safe temperature, the control module controls the combustion heat exchange system to stop combustion immediately so as to prevent the water temperature from being excessively hot.
Preferably, the combustion heat exchange system comprises a combustor, and the control module is used for controlling the combustion load of the combustor.
In the scheme, after a user just uses hot water and closes a water faucet, the control module controls the burner to burn with the minimum load so as to prevent instant dead water from causing water temperature overheating, and the burner stops burning until the inlet water temperature reaches a set temperature range.
A gas water heater comprises the above re-water outlet constant temperature device.
In this scheme, adopt foretell water constant temperature equipment again in gas heater for when the user opened hot water tap once more in the short time, still can guarantee that the leaving water temperature is close with the settlement temperature in the non-heating time of ignition and biography fire, thereby very big temperature drop phenomenon of having alleviated the water again.
The utility model discloses an actively advance the effect and lie in:
for the re-water-outlet constant temperature device, after a user just uses hot water and closes a faucet, water flows are combusted in an internal circulation water channel until the temperature detection module detects that the water temperature in the water inlet pipe reaches a set temperature, and the control module controls the combustion heat exchange system to stop combustion. The arrangement enables the cold water section at the front end of the combustion heat exchange system originally existing in the water inlet pipe to be changed into the hot water section in a post-heating mode after the hot water is used up for the first time. When the user opened hot water tap once more in the short time, this section hot water can guarantee in the non-heating time of ignition and biography fire that the leaving water temperature is close with the settlement temperature to very big temperature drop phenomenon of having alleviated the leaving water again, and the device simple structure occupies smallly, is convenient for install. Correspondingly, the hot-air water heater comprising the re-outlet water constant temperature device also has the advantage of being capable of relieving the temperature drop phenomenon of the re-outlet water.
Drawings
Fig. 1 is a schematic structural view of a gas water heater according to a preferred embodiment of the present invention.
Description of the reference numerals
Water inlet pipe 1
Combustion heat exchange system 2
Water outlet pipe 3
Inner circulation pipe 4
Automatic three-way valve 5
Circulating water pump 6
Second temperature sensor 9
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1, the re-outlet thermostatic device includes a water inlet pipe 1, a combustion heat exchange system 2, a water outlet pipe 3, an inner circulation pipe 4, a temperature detection module, and a control module, which are sequentially connected. The both ends of inner circulation pipe 4 are connected respectively in inlet tube 1 and outlet pipe 3 to form the inner loop water route between 2 with burning heat transfer system, temperature detection module connects in inlet tube 1, and control module's input electricity is connected in temperature detection mechanism, and control module's output electricity is connected in burning heat transfer system 2.
In the present embodiment, after the user has just used hot water and the faucet is turned off, the water flows through the internal circulation water channel to burn in an internal circulation manner until the temperature detection module detects that the temperature of the water in the water inlet pipe 1 reaches a set temperature, and the control module controls the combustion heat exchange system 2 to stop burning. The arrangement enables the cold water section at the front end of the combustion heat exchange system 2 originally existing in the water inlet pipe 1 to be changed into the hot water section in a post-heating mode after the hot water is used up for the first time. When the user opens the hot water tap again in a short time, the hot water can ensure that the water outlet temperature is close to the set temperature in the non-heating time of ignition and fire transmission, thereby greatly relieving the temperature drop phenomenon of the re-outlet water. This scheme simple structure occupies smallly, the installation of being convenient for.
Under the condition that a user normally uses water, the water outlet pipe 3 and the inner circulating pipe 4 are cut off, water flow enters the combustion heat exchange pipe from the water inlet pipe 1 and then flows out of the water outlet pipe 3 to the water outlet, and therefore hot water is provided for the user; when a user does not use hot water and sets a zero-cold water function, the water outlet pipe 3 and the inner circulating pipe 4 are cut off, and the function is consistent with the existing zero-cold water machine type; when the user just uses the hot water and closes the water tap, the water outlet pipe 3 is communicated with the internal circulation pipe 4 to form an internal circulation heating water path.
The re-water-outlet constant-temperature device also comprises an adjusting mechanism, wherein the control module is electrically connected with the adjusting mechanism and is used for controlling the adjusting mechanism to adjust the communication or the disconnection of the inner circulating pipe 4 and the water outlet pipe 3. Wherein, adjustment mechanism is used for realizing rivers and circulates the switching between water route and the normal water route of going out.
The adjusting mechanism may comprise an automatic three-way valve 5, the first end 51 and the third end 53 of the automatic three-way valve 5 being connected to the water inlet pipe 1, the second end 52 of the automatic three-way valve 5 being connected to the internal circulation pipe 4. The first end 51 and the third end 53 of the automatic three-way valve 5 are opened, a normal water outlet passage is formed when the second end 52 is closed, the first end 51 and the second end 52 of the automatic three-way valve 5 are opened, and an internal circulation water passage is formed when the third end 53 is closed.
It should be noted that in this embodiment, the automatic three-way valve 5 is provided to switch the internal circulation water path and the normal water outlet path, and in other alternative embodiments, the adjusting mechanism may also include a stop valve, and the stop valve is provided on the internal circulation pipe 4. When the stop valve is opened, an internal circulation water channel is formed, and when the stop valve is closed, a normal water outlet channel is formed. The switching of an internal circulation water channel and a normal water outlet channel can be realized.
The re-outlet water constant temperature device also comprises a circulating water pump 6, and the circulating water pump 6 is arranged on the internal circulating water path. Wherein the circulating water pump 6 is used for circulating water flow. Specifically, the circulation water pump 6 is provided on the water inlet pipe 1.
The re-water-outlet constant-temperature device also comprises a flow sensor 7, wherein the flow sensor 7 is arranged on the water inlet pipe 1, and the output end of the flow sensor 7 is electrically connected with the input end of the control module. The flow sensor 7 is used for detecting the instantaneous flow in the water path, and the tap is closed when the instantaneous flow is 0. After the control module receives a signal that the instantaneous flow is 0, the control module controls the adjusting mechanism to enable the inner circulation pipe 4 to be communicated with the water outlet pipe 3, and therefore an inner circulation water path is formed.
The temperature detection module can include first temperature sensor 8, and first temperature sensor 8 sets up in the one end that inlet tube 1 is close to combustion heat transfer system 2, promptly, and first temperature sensor 8 arranges near combustion heat transfer system 2's import, and the output electricity of first temperature sensor 8 is connected in control module's input. The first temperature sensor 8 is arranged near the inlet of the combustion heat exchange system 2 so that the temperature detected at the time of the inner circulation can reflect the temperature of the entire front end water section. When the temperature of the front end water section reaches the preset range, the control module controls the combustion heat exchange system 2 to stop combustion.
The temperature detection module may further include a second temperature sensor 9, the second temperature sensor 9 is disposed on the water outlet pipe 3, specifically, on the upstream of the automatic three-way valve 5, and an output end of the second temperature sensor 9 is electrically connected to an input end of the control module. The second temperature sensor 9 is used for monitoring whether the outlet water temperature exceeds 50 ℃ or a set safe temperature, and if the outlet water temperature exceeds the set safe temperature, the control module controls the combustion heat exchange system 2 to stop combustion immediately so as to prevent the water temperature from being too hot.
The combustion heat exchange system 2 may include a burner and the control module is configured to control a combustion load of the burner. Wherein, after the user just uses the hot water and closes the tap, the control module controls the burner to burn with the minimum load to prevent the water temperature from overheating caused by instant dead water, and the burner stops burning until the inlet water temperature reaches the set temperature range.
The embodiment also discloses a gas water heater 100, and the gas water heater 100 comprises the above-mentioned re-water-outlet thermostatic device. The re-outlet constant temperature device is adopted in the gas water heater 100, so that when a user opens the hot water faucet again in a short time, the outlet water temperature can be ensured to be close to the set temperature in the non-heating time of ignition and fire transmission, and the temperature drop phenomenon of re-outlet water is greatly relieved.
The control flow of the gas water heater 100 according to the embodiment is as follows:
(1) After the gas water heater 100 is powered on, the first end 51 and the third end 53 of the automatic three-way valve 5 are opened, and the second end 52 is closed;
(2) After a user opens a hot water faucet, the burner conducts first constant-temperature combustion;
(3) When a user closes the hot water faucet, the flow sensor 7 detects that the instantaneous flow is zero, the control module controls the combustor to enter minimum load combustion, the first end 51 and the second end 52 of the automatic three-way valve 5 are provided with holes, the third end 53 is turned off, and meanwhile, the water pump is turned on to enter internal circulation;
(4) The second temperature sensor 9 detects whether the temperature of water is less than 50 ℃, and if the temperature of water is greater than 50 ℃, combustion is stopped; if the temperature is less than the preset temperature range, (4 a) the first temperature sensor 8 detects whether the temperature of the inlet water is in the preset temperature range, and if the temperature is more than or equal to the preset temperature range, the combustion is stopped; if the temperature is less than the set temperature range, the minimum load is maintained, the combustion is continued, and the step (4) is repeated.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (7)
1. The utility model provides a go out water constant temperature equipment again, is including the inlet tube, burning heat transfer system and the outlet pipe that communicate in proper order, its characterized in that, it still includes to go out water constant temperature equipment again:
the two ends of the internal circulation pipe are respectively connected with the water inlet pipe and the water outlet pipe, and an internal circulation water path is formed between the internal circulation pipe and the combustion heat exchange system;
the circulating water pump is arranged on the internal circulating water path;
the temperature detection module is connected to the water inlet pipe;
the input end of the control module is electrically connected with the temperature detection mechanism, and the output end of the control module is electrically connected with the combustion heat exchange system;
the control module is electrically connected with the adjusting mechanism and used for controlling the adjusting mechanism to adjust the communication or the disconnection of the internal circulation pipe and the water outlet pipe;
the flow sensor is arranged on the water inlet pipe and used for detecting the instantaneous flow of the water channel, the output end of the flow sensor is electrically connected with the input end of the control module, and the control module controls the adjusting mechanism to enable the inner circulating pipe to be communicated with the water outlet pipe to form an inner circulating water channel when the control module represents that the faucet is closed according to the received instantaneous flow.
2. The re-outflow thermostat of claim 1 wherein the adjustment mechanism comprises an automatic three-way valve having a first end and a third end connected to the water inlet pipe and a second end connected to the internal circulation pipe.
3. The re-outflow thermostat of claim 1 wherein the regulating mechanism includes a shutoff valve disposed on the internal circulation tube.
4. The re-outflow thermostat device of claim 1, wherein the temperature detecting module comprises a first temperature sensor disposed at an end of the water inlet pipe close to the combustion heat exchange system, and an output end of the first temperature sensor is electrically connected to an input end of the control module.
5. The re-outflow thermostat of claim 1, wherein the temperature detection module further comprises a second temperature sensor disposed in the outflow pipe, an output of the second temperature sensor being electrically connected to an input of the control module.
6. The re-outflow thermostat of claim 1 wherein the combustion heat exchange system includes a burner, the control module for controlling a combustion load of the burner.
7. Gas water heater characterized in that it comprises a re-outflow thermostatic device according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022442977.2U CN218480752U (en) | 2020-10-27 | 2020-10-27 | Constant temperature device and gas heater of rethreading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022442977.2U CN218480752U (en) | 2020-10-27 | 2020-10-27 | Constant temperature device and gas heater of rethreading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480752U true CN218480752U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022442977.2U Active CN218480752U (en) | 2020-10-27 | 2020-10-27 | Constant temperature device and gas heater of rethreading |
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|---|---|
| CN (1) | CN218480752U (en) |
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- 2020-10-27 CN CN202022442977.2U patent/CN218480752U/en active Active
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