CN2916505Y - Thermostatic water heater - Google Patents
Thermostatic water heater Download PDFInfo
- Publication number
- CN2916505Y CN2916505Y CN 200620060064 CN200620060064U CN2916505Y CN 2916505 Y CN2916505 Y CN 2916505Y CN 200620060064 CN200620060064 CN 200620060064 CN 200620060064 U CN200620060064 U CN 200620060064U CN 2916505 Y CN2916505 Y CN 2916505Y
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- valve
- electrical control
- temperature
- control gear
- control valve
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Abstract
The utility model discloses a simplified thermostatic water heater, which comprises a gas consumption regulating system composed of an electrical control gear, a temperature regulating valve of a drive valve, a current sensor used in measuring current water discharge and a temperature transmitter used in detecting hot water temperature. Input end of the electrical control gear is electrically connected with the current sensor and the temperature transmitter. Positive and negative pole of a driving motor is electrically connected with output end of the electrical control gear, receiving control signal changed from detection signal of electrical control gear. And internal part of the temperature regulating valve body and the gas flue of water heater are communicated. Gas flow can be regulated by spool opening of the temperature regulating valve that is controlled by counter-rotating of driving motor. And the counter-rotating is controlled by electrical control gear. Costs are decreased by proportional valve adopted.
Description
Technical field:
The utility model relates to a kind of water heater, particularly at the improvement of the temperature control technology of constant-temperature hot water device.
Background technology:
Water heater has become one of requisite household electrical appliances of average family at present, and the constant-temperature hot water device more and more is subjected to people's favor especially.In numerous constant-temperature hot water devices, most permanent water heater all is according to the size of discharge and the leaving water temperature of setting, adopt gas ratio valve to regulate the size of gas flow, thereby the thermic load when reaching the burning work that changes water heater reach the constant purpose of water temperature.This proportioning valve complex structure simultaneously, on price, because the proportioning valve price is higher, makes the cost of constant-temperature hot water device high.On the other hand, because China's various places source of the gas air pressure varies, and water heater is worked under according to specified air pressure when design and is designed, and the fluctuation of gaseous-pressure also can produce negative influence to the water heater temperature persistance.
The utility model content:
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, providing a kind of adopts simple and easy combustion gas ratio control device to replace the existing constant-temperature hot water device that adopts gas ratio valve, a kind of complete machine cost is more economical, the more easy scheme of structure for the design of constant-temperature hot water device provides, and a kind of expansion direction of constant-temperature hot water device product line of simple type is provided simultaneously.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of constant-temperature hot water device, comprise the gas flow regulating system, it is characterized in that: described gas flow regulating system comprises electrical control gear, be provided with the heat control valve of drive motors, detect the water flow sensing unit of current discharge, detect hot water temperature's temperature sensor, the input of described electrical control gear and water flow sensing unit, temperature sensor is electrically connected, the both positive and negative polarity of drive motors is electrically connected with the output of electrical control gear, accept the electrical control gear control signal converted, and the body cavity of heat control valve is connected with the blast tube of water heater according to detection signal.
Be provided with the displacement transducer that detects its spool position in the described heat control valve; The spool of heat control valve and drive motors output shaft interlock, displacement transducer is electrically connected with electrical control gear.
The spool of described heat control valve comprises the skin valve that is located at exit, valve body chamber and is connected drive link under the skin valve, the output shaft of drive motors is connected with inner screw sheath by gear drive, be provided with intermeshing screw rod in the inner screw sheath, a free end of rectifying drive link of described screw rod.
Described heat control valve is the voltage stabilizing heat control valve, and valve body upper edge valve core axis is provided with the pressure stabilizing cavity that is communicated with the valve body chamber, and the outlet of pressure stabilizing cavity is fixed with the voltage stabilizing film that is connected with the drive link free end.
This constant-temperature hot water device, structure-improved are in water heater inside, are connected substitute proportion valve on the fuel gas path with heat control valve, by the rotating of control drive motors, the skin valve can be moved up and down, when the skin valve moves up, it is big that the gas outlet aperture of heat control valve becomes, and it is big that gas flow just becomes; Otherwise when the skin valve moved down, the gas outlet aperture of heat control valve diminished, and gas flow just diminishes, thereby reached the purpose of regulating gas flow.In the adjustment process of gas flow, the skin valve opening of heat control valve is linear proportionate relationship with load.And the position by displacement transducer judgement skin valve place makes the heat control valve of water heater can control gas flow more accurately, regulates water temperature.
This constant-temperature hot water device also has voltage stabilizing function, and when heat control valve gas outlet pressure surpassed setting, the film of pressure stabilizing cavity was stressed, and temperature adjustment valve leather valve opening is reduced, and gas flow reduces, and gaseous-pressure descends and reaches rated value.Otherwise gas outlet pressure reduces, and the skin valve opening of heat control valve increases, and gas flow increases, and reaches the function of automatic adjusting gas outlet pressure.
The relative prior art of constant-temperature hot water device of the present utility model has the following advantages.
1. simple in structure, low price.
2. the band voltage stabilizing function is applicable to the unstable area of air pressure.
Description of drawings:
Below in conjunction with the drawings and specific embodiments the utility model constant-temperature hot water device is further described:
Accompanying drawing 1 is the topology view of the utility model constant-temperature hot water device;
Accompanying drawing 2 is the cutaway view of heat control valve among Fig. 1.
The specific embodiment:
As shown in Figure 1, constant-temperature hot water device of the present utility model comprises water flow sensing unit 1, electrical control gear 2, voltage stabilizing heat control valve 3, switch electromagnetic valve assembly 4, combustion gas gas distributing rod 5, burner 6, combustion chamber 7, heat exchanger 8, fume extractor 9, housing 10, water intaking valve 11, outlet valve 12 and hot water temperature's sensor 13; The valve body 31 of voltage stabilizing heat control valve 3 is arranged in the valve body cover of switch electromagnetic valve assembly 4, the valve body cover is connected with combustion gas gas distributing rod 5, be provided with the combustion gas inlet channel in the switch electromagnetic valve assembly 4, formed the fuel gas supply passage with combustion gas gas distributing rod 5 by switch electromagnetic valve assembly 4, voltage stabilizing heat control valve 3; The compound mode of burner 6 and combustion chamber 7 is open type combustion system (also the combustion system of closed), and heat exchanger 8 is connected with combustion chamber 7, and is in burner 6 tops, and fume extractor 9 and heat exchanger 8 are connected and are in the top of heat exchanger 8; Water heater water inlet P communicates with the water inlet of heat exchanger 8 by water flow sensing unit 1 and water intaking valve 11, the delivery port of heat exchanger 8 communicates with water heater delivery port Q by outlet valve 12, water flow sensing unit 1 is electrically connected with electrical control gear 2 simultaneously, and hot water temperature's sensor 13 is located on heat exchanger 8 outlet conduits and with electrical control gear 2 and is electrically connected.The delivery outlet of electrical control gear 2 is connected with voltage stabilizing heat control valve 3 by switch electromagnetic valve assembly 4, and the aperture size of voltage stabilizing heat control valve 3 becomes positive relationship with the heating power W of burner, and the heating power of burner 6 is W=Q*C
p* (T2-T1) * K* η, wherein Q is that water flow sensing unit detects the current water yield that flows through water heater, C
pBe specific heat of water, T2 is the hot water temperature that hot water temperature's sensor 3 detects, T1 be electrical control gear 2 according to T2 with flow through the current discharge of water heater and progressively calculate the current inflow temperature that finally converges on certain value, K is a conversion coefficient, η is the thermal efficiency.Size according to the heating power of burner 6 converts the signal of telecommunication to by electrical control gear 2, sends voltage stabilizing heat control valve 3 to.
As shown in Figure 2, the valve body of voltage stabilizing heat control valve 3 is provided with a drive motors 34 for 31 li, and electric apparatus control apparatus 2 links to each other with drive motors 34 by two wires, the 34 forward and reverse rotations of control drive motors.A skin valve 42 is equipped with in 32 exits, valve body chamber, is used to control the gas flow size.The skin valve is connected with drive link 43 42 times, and the output shaft of drive motors 34 is connected with inner screw sheath 45 by gear train 35, is provided with intermeshing screw rod 44 in the inner screw sheath 45, and the upper end of screw rod 44 is over against the lower end of drive link 43.When drive motors 34 rotatings, the also corresponding forward and reverse rotation of inner screw sheath 45, so its in screw rod 44 just can move up and down, remove to back down drive link 43 and skin valve 42, thus reach the adjusting gas flow purpose.When electric apparatus control apparatus 2 draws the power of burner 6 when too high by detection computations, electric apparatus control apparatus 2 sends the signal of telecommunication, drive motors 34 counter-rotatings, and gas flow diminishes, and the power of burner 6 reduces, and the hot water temperature is reduced; On the contrary, the gas-flow quantitative change is big, and the power of burner 6 increases, and the hot water temperature is raise.In order accurately to control the size of gas flow, the Hall element 36 that is used to respond to the spool displacement also is housed in the voltage stabilizing heat control valve 3, Hall element 36 links to each other with electrical control gear 2 by 3 signal wires, arrive electrical control gear 2 by the Hall element feedback displacement signal, just can recognize the size of present voltage stabilizing heat control valve 3 apertures accurately, thus more effective control water temperature.
On the other hand, valve body 31 upper edge valve core axis are provided with pressure stabilizing cavity 33, are communicated with valve body chamber 32 by metastable gas pressure passageway 39.The outlet of pressure stabilizing cavity 33 is fixed with the voltage stabilizing film 38 of the band spring 37 that is connected with drive link 43 lower ends.When the pressure rises at fuel gas inlet 40 places, pressure toward pressing down, drives drive link 43 to film 38 to moving down simultaneously greater than spring 37 elastic force, gas outlet 41 is reduced, thereby reduce gaseous-pressure.When air pressure descended, pressure up pushed up film 38 less than spring 37 elastic force, drives drive link 43 simultaneously and upwards moves, and gas outlet 41 is increased, thereby increase gaseous-pressure.By above-mentioned principle, just can make water heater have the function of stable gas pressure.
During the utility model work, its water route line is: water heater water inlet P flows through the water inlet that water flow sensing unit 1 enters heat exchanger 8 by water intaking valve 11, and the delivery port from heat exchanger 8 after the aqueous vapor heat exchange flows out, and flows out from water heater outlet valve 12 again; Its airflow route is: combustion gas is through the switch electromagnetic valve assembly 4 voltage stabilizing heat control valve 3 of flowing through, enter combustion gas gas distributing rod 5 after the linear scale adjusting by voltage stabilizing heat control valve 3, entered burner 6 ignition by injection again, burner 6 generation high-temperature flue gas when burning work enters fume extractor 9 and is discharged from after heat exchanger 8 carries out exchange heat.
In the course of work of water heater, the current discharge Q that flows through water heater that electrical control gear 2 detects according to water flow sensing unit 1, progressively calculate the cold water temperature T1 of final convergence, the temperature that hot water temperature's sensor 13 detects is T2, and the heating power that calculates burner 6 is W=Q*C
p* (T2-T1) * K* η will strengthen as the heating power W of burner, and then electrical control gear 2 output control parameters increase the aperture of voltage stabilizing heat control valve 3, and gas flow is increased; In like manner, to reduce, the aperture of voltage stabilizing heat control valve 3 be reduced, gas flow is reduced by electrical control gear 2 output control parameters as the heating power W of burner; Electrical control gear 2 sends instruction, voltage stabilizing heat control valve 3 execution commands, and whole process realizes hot water constant temperature.
The utility model is owing to adopt a kind of easy voltage stabilizing heat control valve to be applied on the common forced-ventilated water heater of taking out the open type burning by force, also can be applied to the conventional seals formula take out by force or the water heater of the forced-ventilated of strong drum-type or balanced type on, it is unrestricted that the capacity of water heater rises number, by the control structure of low capacity to all suitable this voltage stabilizing heat control valve of employing of big capacity, complete machine structure is simple and easy, complete machine cost cheapness is a kind of domestic gas instantaneous water heater of the convenient and practical constant temperature realized.
Claims (4)
1, a kind of constant-temperature hot water device, comprise the gas flow regulating system, it is characterized in that: described gas flow regulating system comprises electrical control gear, is provided with the heat control valve of drive motors, detects the water flow sensing unit of current discharge, detect hot water temperature's temperature sensor, the input of described electrical control gear is electrically connected with water flow sensing unit, temperature sensor, the both positive and negative polarity of drive motors is electrically connected with the output of electrical control gear, and accepts the electrical control gear control signal converted according to detection signal; The body cavity of heat control valve is connected with the blast tube of water heater.
2, constant-temperature hot water device according to claim 1 is characterized in that: be provided with the displacement transducer that detects its spool position in the described heat control valve; The spool of heat control valve and drive motors output shaft interlock, displacement transducer is electrically connected with electrical control gear.
3, constant-temperature hot water device according to claim 2, it is characterized in that: the spool of described heat control valve comprises the skin valve that is located at exit, valve body chamber and is connected drive link under the skin valve, the output shaft of drive motors is connected with inner screw sheath by gear drive, be provided with intermeshing screw rod in the inner screw sheath, a free end of rectifying drive link of described screw rod.
4, constant-temperature hot water device according to claim 3 is characterized in that: described heat control valve is the voltage stabilizing heat control valve, and valve body upper edge valve core axis is provided with the pressure stabilizing cavity that is communicated with the valve body chamber, and the outlet of pressure stabilizing cavity is fixed with the voltage stabilizing film that is connected with the drive link free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620060064 CN2916505Y (en) | 2006-06-08 | 2006-06-08 | Thermostatic water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620060064 CN2916505Y (en) | 2006-06-08 | 2006-06-08 | Thermostatic water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916505Y true CN2916505Y (en) | 2007-06-27 |
Family
ID=38187420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620060064 Expired - Lifetime CN2916505Y (en) | 2006-06-08 | 2006-06-08 | Thermostatic water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916505Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168410A (en) * | 2016-08-19 | 2016-11-30 | 广东万家乐燃气具有限公司 | A kind of gas heater of anti-fluctuating temperature |
| CN110207391A (en) * | 2018-10-30 | 2019-09-06 | 华帝股份有限公司 | Gas flow control method of gas water heater |
| CN111947142A (en) * | 2019-05-14 | 2020-11-17 | 广东万和新电气股份有限公司 | Full-premixing gas device and working method thereof |
-
2006
- 2006-06-08 CN CN 200620060064 patent/CN2916505Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168410A (en) * | 2016-08-19 | 2016-11-30 | 广东万家乐燃气具有限公司 | A kind of gas heater of anti-fluctuating temperature |
| CN110207391A (en) * | 2018-10-30 | 2019-09-06 | 华帝股份有限公司 | Gas flow control method of gas water heater |
| CN111947142A (en) * | 2019-05-14 | 2020-11-17 | 广东万和新电气股份有限公司 | Full-premixing gas device and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: VATTI CO., LTD. Free format text: FORMER NAME: ZHONGSHAN CITY HUADI COMBUSTION UTENSILS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528415 Jiuzhou Town, Xiaolan Town, Guangdong City, Zhongshan Province Patentee after: Vatti Co., Ltd. Address before: 528415 Jiuzhou Town, Xiaolan Town, Guangdong City, Zhongshan Province Patentee before: Zhongshan City Huadi Combustion Utensils Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070627 |
|
| EXPY | Termination of patent right or utility model |