CN210220210U - Self-adaptive water heater - Google Patents
Self-adaptive water heater Download PDFInfo
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- CN210220210U CN210220210U CN201921143430.3U CN201921143430U CN210220210U CN 210220210 U CN210220210 U CN 210220210U CN 201921143430 U CN201921143430 U CN 201921143430U CN 210220210 U CN210220210 U CN 210220210U
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Abstract
The utility model discloses a self-adaptive water heater, which comprises a gas pipeline, a water flow pipeline and a burner, wherein the gas pipeline is communicated with the burner and is connected with a gas proportional valve for controlling the air input of the burner; a servo fan capable of adjusting exhaust flow is arranged in the exhaust port, a water inlet temperature probe is arranged at the water inlet end of the water flow pipeline, a water flow sensor is arranged on the water flow pipeline, and a water outlet temperature probe for detecting the temperature of water is arranged at the water outlet end of the water flow pipeline; a feedback needle for detecting the combustion condition of the burner is arranged in the combustion chamber, and a water inlet temperature probe, a water flow sensor, a water outlet temperature probe, a gas proportional valve, the feedback needle and a servo motor on the servo fan are respectively and electrically connected with the central controller. The utility model discloses under complicated air supply environment, but self-adjustment gas proportional valve and servo fan rotational speed adaptation environment find best proportional valve opening value and wind speed ratio, flame hold stable optimum.
Description
Technical Field
The utility model discloses water heater technical field specifically is a self-adaptation water heater.
Background
The constant temperature water heater controls the opening degree of a gas proportional valve by the current output by a controller to achieve the purpose of constant temperature, and the current of the water heater on the market matches the rotating speed of a fan, the current output by the controller and the opening degree of the gas proportional valve in advance according to the technical requirements during production, and sets the fixed current value of the minimum opening degree of the proportional valve, the current value of the ignition opening degree of the proportional valve, the current value of the maximum opening degree of the proportional valve, the rotating speed of the fan and the like. The air source characteristics of the whole country are different greatly, the fixed fan rotating speed and the opening current value of the proportional valve can only meet part of areas or part of customers, the water heater is difficult to achieve the optimal working state, and when the heat value of the air source of a user is lower than the factory design heat value, the water heater can be easily flamed out when the air source is not ignited or in the minimum load working state; when the user air source is higher than the heat value of the designed air source, the water heater may be ignited and detonated or cannot be used due to the fact that the temperature is raised too high in the minimum load working state.
Authorizing publication No. CN109579280A discloses a self-adaptation gas heater, including water heat exchanger, control panel and outlet flue, be equipped with the flue pipe between water heat exchanger's the top and the outlet flue, be equipped with the fan device with flue union coupling on the outlet flue, the intraductal oxygen sensor that is used for detecting oxygen content that is equipped with of flue, oxygen sensor and control panel electric connection, control panel and fan device electric connection, the product has realized the full automated adjustment to the intake, make the product can adapt to the user demand of different environment.
The scheme has the following defects: the combustion condition is judged only by referring to the oxygen content in the flue pipe, and the combustion condition is adjusted only by adjusting the air volume.
The feedback needle is arranged above the fire grate, after ignition is successful, the feedback needle conducts electricity through plasma in flame, generates a signal and transmits the signal to the controller, the controller determines that ignition and combustion of the machine are successful after receiving the signal, the ignition system is closed to enter a normal working state, once the flame leaves the feedback needle and the feedback signal interrupts the machine, the machine is automatically shut down, and the function is the accidental flameout protection function of the water heater.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects in the prior art and providing a self-adaptive water heater with simple structure and convenient use.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides a self-adaptation water heater, includes the chassis and installs the gas vent of gas pipeline, rivers pipeline, combustion chamber and the combustion chamber intercommunication on the chassis, and the lower part is equipped with the combustor in the combustion chamber, and the gas pipeline communicates its characterized in that with the combustor: the gas pipeline is connected with a gas proportional valve for controlling the gas inflow of the burner; a servo fan capable of adjusting the exhaust flow is arranged in the exhaust port, and the servo fan comprises an air exhaust wind wheel and a servo motor for driving the air exhaust wind wheel to exhaust outwards; the water inlet end of the water flow pipeline is provided with a water inlet temperature probe, the water flow pipeline is provided with a water flow sensor, and the water outlet end of the water flow pipeline is provided with a water outlet temperature probe for detecting the temperature of water; the combustion chamber is internally provided with a feedback needle for detecting the combustion condition of the combustor, the chassis is also provided with a central controller, and the water inlet temperature probe, the water flow sensor, the water outlet temperature probe, the gas proportional valve, the feedback needle and a servo motor on the servo fan are respectively and electrically connected with the central controller.
The self-adaptive water heater is characterized in that: the display control panel is electrically connected with the central controller, and the display control panel is provided with a self-adaptive learning key.
The self-adaptive water heater is characterized in that: the central controller is a PLC controller.
The self-adaptive water heater is characterized in that: the upper portion is equipped with the heat absorption piece in the combustion chamber, and the heat absorption piece is located the combustor top, and the rivers pipeline passes the heat absorption piece above the combustor.
The self-adaptive water heater is characterized in that: the feedback needle is positioned above the burner and close to the position below the heat absorbing sheet.
The self-adaptive water heater is characterized in that: the air outlet is positioned in the middle position above the heat absorbing sheet.
The self-adaptive water heater is characterized in that: the heat absorbing sheets are arranged in parallel at intervals to form a heat absorbing sheet group crossing the upper part of the combustor.
The self-adaptive water heater is characterized in that: and two ends of the water flow pipeline are respectively connected with a cold water inlet and a hot water outlet.
The beneficial effect of this application is as follows:
1. through the arrangement of the central controller, the water inlet temperature probe, the water flow sensor, the water outlet temperature probe, the gas proportional valve, the servo fan and the feedback needle, the device can self-adjust the rotating speed of the gas proportional valve and the servo fan to adapt to the environment under the environment of a complex gas source, find the optimal proportion of the opening value of the proportional valve to the wind speed, and keep the flame in a stable optimal state.
2. Through setting up the self-adaptation study key, a key starts the self-adaptation study function, easy operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a circuit control diagram of the present invention.
In the figure: 1. a gas pipeline; 101. a gas joint; 102. a gas proportional valve; 2. a water flow line; 201. a cold water inlet; 202. a water inlet temperature probe; 203. a water flow sensor; 204. a water outlet temperature probe; 205. a hot water outlet; 3. a heat absorbing sheet; 4. a combustion chamber; 41. a burner; 42. an exhaust port; 5. an ignition needle; 6. a servo fan; 7. a feedback pin; 8. a central controller; 9. and displaying the control panel.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings:
as shown in fig. 1 and fig. 2, an adaptive water heater comprises a chassis, and an exhaust port 42 which is arranged on the chassis and is communicated with a gas pipeline 1, a water pipeline 2, a combustion chamber 4 and the combustion chamber 4, wherein a combustor 41 is arranged at the lower part in the combustion chamber 4, and the gas pipeline 1 is communicated with the combustor 41, and the adaptive water heater is characterized in that: the gas pipeline 1 is connected with a gas proportional valve 102 for controlling the gas inflow of the burner 41; a servo fan 6 capable of adjusting the exhaust flow is arranged in the exhaust port 42, and the servo fan 6 comprises an air exhaust wind wheel and a servo motor for driving the air exhaust wind wheel to exhaust outwards; the water inlet end of the water flow pipeline 2 is provided with a water inlet temperature probe 202, the water flow pipeline 2 is provided with a water flow sensor 203, and the water outlet end of the water flow pipeline 2 is provided with a water outlet temperature probe 204 for detecting the temperature of water; the combustion chamber 4 is internally provided with a feedback needle 7 for detecting the combustion condition of the combustor 41, the chassis is also provided with a central controller 8, and the water inlet temperature probe 202, the water flow sensor 203, the water outlet temperature probe 204, the gas proportional valve 102, the feedback needle 7 and a servo motor on the servo fan 6 are respectively electrically connected with the central controller 8.
In this embodiment, the central controller 8 is a PLC controller.
In order to improve the heat exchange efficiency of water, in the embodiment, the heat absorbing sheet 3 is arranged at the upper part in the combustion chamber 4, the heat absorbing sheet 3 is positioned above the combustor 41, and the water flow pipeline 2 passes through the heat absorbing sheet 3 above the combustor 41. The heat absorbing sheets 3 are multiple, and the multiple heat absorbing sheets 3 are arranged in parallel at intervals to form a heat absorbing sheet group crossing the upper part of the burner 41.
In order to collect the combustion information conveniently, in the embodiment, the feedback needle 7 is located above the burner 41 and close to the position below the heat absorbing sheet 4.
In order to facilitate rapid venting, the vent 42 is located at an intermediate position above the heat sink 4 in this embodiment.
The two ends of the water flow pipeline 2 are respectively connected with a cold water inlet 201 and a hot water outlet 205. In this embodiment, the gas proportional valve 102 is disposed in the gas pipeline 1 near the gas joint 101.
For convenient regulation, in this embodiment, still be equipped with display control panel 9, display control panel 9 is connected with central controller 8 electricity, is equipped with the self-adaptation learning key on the display control panel 9, when pressing the self-adaptation learning key, starts the self-adaptation learning program that central controller 8 presetted, and its operation logic is:
the central controller 8 analyzes the information obtained from the water inlet temperature probe 202, the water flow sensor 203, the water outlet temperature probe 204 and the feedback needle 7,
when the actual fuel gas heat value is lower than the minimum design fuel gas heat value, namely, flameout or no ignition occurs, the central controller 8 controls the ignition needle 5 to ignite again, and at the moment:
1. when the ignition fails or the ignition temperature rises too high, the central controller 8 gradually increases or decreases the opening current of the gas proportional valve 102, adjusts the rotating speed of the servo fan 6, finds the opening current at which the gas proportional valve 102 ignites most stably, and memorizes the opening current and the rotating speed of the servo fan at the moment.
2. And (4) successfully igniting and normally raising the temperature, and memorizing the opening current and the rotating speed of the servo fan 6 at the moment.
Secondly, when the actual fuel gas heat value is higher than the minimum design fuel gas heat value, namely under the normal working state, the central controller 8 stops the ignition operation of the ignition needle 5, and:
1. when the water outlet temperature is higher than the highest set temperature, the central controller 8 gradually reduces the opening current and reduces the rotating speed of the servo fan 6 until the water outlet temperature is equal to the ideal set temperature, and the opening current, the rotating speed of the servo fan 6, the water inlet temperature and the water inlet flow rate at the moment are memorized.
2. When the water outlet temperature is lower than the lowest set temperature, the central controller 8 gradually increases the opening current and increases the rotating speed of the servo fan 6 until the water outlet temperature is equal to the ideal set temperature, and the opening current, the rotating speed of the servo fan 6, the water inlet temperature and the water inlet flow rate at the moment are memorized.
After multiple times of self-adaptive learning, the central controller 8 can select proper rotating speed and opening current value of the servo fan 6 according to the temperature, flow speed and set temperature of inlet water under the condition of preferentially ensuring the stability of the fire source.
The working principle is as follows: the user presses the self-adaptive learning key, the central controller 8 can find the most suitable opening current of the gas proportional valve 102 and the rotating speed of the servo fan 6 according to the feedback data of all parts of the gas water heater, and memorizes the current, the rotating speed, the water inlet temperature and the flowing speed, and the self-adaptive learning function is started by one key through setting the self-adaptive learning key, so that the operation is easy.
The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present application, and equivalent alternatives or modifications according to the technical solutions and the inventive concepts of the present application, and all such alternatives or modifications are encompassed in the scope of the present application.
Claims (8)
1. The utility model provides an adaptive water heater, includes chassis and gas vent (42) of installing gas pipeline (1), rivers pipeline (2), combustion chamber (4) and combustion chamber (4) intercommunication on the chassis, the lower part is equipped with combustor (41) in combustion chamber (4), gas pipeline (1) and combustor (41) intercommunication, its characterized in that: the gas pipeline (1) is connected with a gas proportional valve (102) for controlling the air inflow of the burner (41); a servo fan (6) capable of adjusting the exhaust flow is arranged in the exhaust port (42), and the servo fan (6) comprises an air exhaust wind wheel and a servo motor for driving the air exhaust wind wheel to exhaust outwards; the water inlet end of the water flow pipeline (2) is provided with a water inlet temperature probe (202), the water flow pipeline (2) is provided with a water flow sensor (203), and the water outlet end of the water flow pipeline (2) is provided with a water outlet temperature probe (204) for detecting the temperature of water; the combustion chamber (4) is internally provided with a feedback needle (7) for detecting the combustion condition of the combustor (41), the chassis is also provided with a central controller (8), and servo motors on the water inlet temperature probe (202), the water flow sensor (203), the water outlet temperature probe (204), the gas proportional valve (102), the feedback needle (7) and the servo fan (6) are respectively electrically connected with the central controller (8).
2. An adaptive water heater according to claim 1, wherein: the device is also provided with a display control panel (9), the display control panel (9) is electrically connected with the central controller (8), and the display control panel (9) is provided with a self-adaptive learning key.
3. An adaptive water heater according to claim 1 or 2, wherein: the central controller (8) is a PLC controller.
4. An adaptive water heater according to claim 1, wherein: the upper portion is equipped with heat absorbing sheet (3) in combustion chamber (4), and heat absorbing sheet (3) are located combustor (41) top, and rivers pipeline (2) pass heat absorbing sheet (3) above combustor (41).
5. An adaptive water heater according to claim 4, wherein: the feedback needle (7) is positioned above the burner (41) and close to the position below the heat absorbing sheet (3).
6. An adaptive water heater according to claim 4, wherein: the air outlet (42) is positioned in the middle position above the heat absorbing sheet (3).
7. An adaptive water heater according to claim 4, wherein: the heat absorbing sheets (3) are multiple, and the multiple heat absorbing sheets (3) are arranged in parallel at intervals to form a heat absorbing sheet group which spans the upper part of the combustor (41).
8. An adaptive water heater according to claim 1, wherein: and two ends of the water flow pipeline (2) are respectively connected with a cold water inlet (201) and a hot water outlet (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143430.3U CN210220210U (en) | 2019-07-20 | 2019-07-20 | Self-adaptive water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921143430.3U CN210220210U (en) | 2019-07-20 | 2019-07-20 | Self-adaptive water heater |
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| Publication Number | Publication Date |
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| CN210220210U true CN210220210U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921143430.3U Active CN210220210U (en) | 2019-07-20 | 2019-07-20 | Self-adaptive water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378089A (en) * | 2020-10-21 | 2021-02-19 | 华帝股份有限公司 | Method for reducing minimum load of gas water heater and gas water heater using same |
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2019
- 2019-07-20 CN CN201921143430.3U patent/CN210220210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378089A (en) * | 2020-10-21 | 2021-02-19 | 华帝股份有限公司 | Method for reducing minimum load of gas water heater and gas water heater using same |
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