CN201259267Y - Automatic constant temperature water supply installation - Google Patents
Automatic constant temperature water supply installation Download PDFInfo
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- CN201259267Y CN201259267Y CNU2008201056822U CN200820105682U CN201259267Y CN 201259267 Y CN201259267 Y CN 201259267Y CN U2008201056822 U CNU2008201056822 U CN U2008201056822U CN 200820105682 U CN200820105682 U CN 200820105682U CN 201259267 Y CN201259267 Y CN 201259267Y
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- heat exchanger
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- secondary water
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Abstract
The utility model relates to an automatic constant-temperature water supplier dedicated to a domestic hot water supply circuit. The water supplier comprises a primary heating circuit, a secondary water supply circuit, a heat exchanger, a circulation pump and a control cabinet; wherein, the heat exchanger is assembled between the two circuits; the circulation pump is assembled in the secondary water supply circuit; the control cabinet is used to control the circulation pump; a temperature sensor is arranged in the secondary water supply circuit of the heat exchanger; the output of the temperature sensor is connected with the input end of an intelligent temperature controller of the control cabinet; and the output of the control cabinet is connected with the input control end of the circulation pump. Adopting the water temperature in the secondary water supply circuit of the heat exchanger as a temperature signal acquisition point, the water supplier real-timely monitors the change of the temperature of the temperature signal acquisition point and then utilizes the real-timely monitored temperature as a reference to control the circulation pump to operate in the operating mode of variable-frequency temperature regulation. Under the premise of ensuring the water temperature, the operating mode can ensure that the device can achieve an optimal operation effect according to the quantity of the water used by users. The utility model realizes automatic constant-temperature multi-stage real-time monitoring and control on the water supply circuit and thoroughly eliminates potential safety hazards.
Description
Technical field
The utility model relates to a kind of automatic constant-temperature water supply installation of the domestic hot-water's of being used for water supply loop.
Background technology
The technical scheme that is used for the control of domestic hot-water's water supply loop at present mainly contains two kinds, the first is provided with water tank or the assembling volumetric heat exchanger that is used for heat exchange between the secondary water-supply loop, the secondary water-supply loop that connects circulating pump is communicated with the heat exchange water tank, and in the secondary water-supply loop, be provided with temperature sensor and in the loop of once heating, be provided with temperature control valve (TCV), the signal of gathering according to temperature sensor, Kai Heguan by switch board control temperature control valve (TCV) realizes the control to secondary water-supply loop output temperature.It two is a kind of improvement to such scheme, main improvement is, former volumetric heat exchanger used instead be tubular type or plate type heat exchanger, in order to regulate the temperature in the secondary water-supply loop and to prevent that supply water temperature is too high, in the output pipe in secondary water-supply loop, increased the adjustment water tank in addition.Above-mentioned two kinds of technical schemes exist following deficiency: 1, in order to guarantee the temperature and pressure in the water supply loop, water circulating pump in its secondary water-supply loop moves under the high frequency state all the time, thereby this kind mode not only wastes electric energy, also increased the wearing and tearing of circulating pump greatly, reduces its service life.2, because it adopts the variation of gathering temperature signal in the secondary water-supply loop, control and be located at opening or closing of temperature control valve (TCV) in the loop of once heating, realization is to the mode of secondary water-supply loop output temperature control, the rate of straining that its temperature is adjusted is slow, the fluctuation that is output temperature is big, has certain potential safety hazard.3, be furnished with heat-exchanging water tank, increased the installing space of equipment, increased user base input and operating cost.
Summary of the invention
The utility model purpose is to provide a kind of automatic constant-temperature water supply installation that can overcome above-mentioned defective.
The utility model purpose is achieved in that this automatic constant-temperature water supply installation comprises the loop of once heating, secondary water-supply loop, is assemblied in the heat exchanger between two loops and is fitted in the circulating pump in the secondary water-supply loop and be used to control the switch board of circulating pump, in heat exchanger secondary water-supply loop, be provided with temperature sensor, the output of described temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end of circulating pump.
The output pipe porch in described heat exchanger secondary water-supply loop is provided with temperature sensor, in the intake line in secondary water-supply loop, be provided with and unload water solenoid valve, the output of described temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end that unloads water solenoid valve and alarm respectively.
The output pipe exit in described heat exchanger secondary water-supply loop is provided with temperature sensor, once the heat intake line porch in loop is equipped with temperature control valve, the output of temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end of temperature control valve.
The technological progress that the utility model is obtained: this device is the temperature signal collection point with the water temperature in the heat exchanger secondary water-supply loop, variations in temperature by real-time monitor temperature signal acquisition point, realization is to being assemblied in the control of water circulating pump duty in the secondary water-supply loop, be that water temperature in the secondary water-supply loop is when being higher than the fiducial temperature that temperature sensor sets, water circulating pump can be worked by the frequency conversion mode of operation, otherwise water circulating pump normally moves.Thereby realized that water circulating pump serves as the mode of operation of control benchmark with real-time monitor temperature, this kind mode of operation not only greatly reduces the energy consumption of electric energy, has also effectively improved the service life of water circulating pump.This kind control model serves as the control basis with the water temperature in secondary water-supply loop simultaneously, not only realized monitoring to the real time temperature variation of water temperature in the secondary water-supply loop, also reached quick adjustment, thereby effectively guaranteed the stability of secondary water-supply output water temperature its variations in temperature.In order further to guarantee the stable of secondary water-supply loop output water temperature or to realize constant water temperature output, the utility model also is provided with temperature sensor respectively in the exit in heat exchanger secondary water-supply loop, not only monitor the variations in temperature at two places in real time, also can unload water solenoid valve and temperature control valve is regulated the temperature in its pipeline by opening or closing, further guaranteed the constancy of secondary water-supply loop output water temperature, realized multistage real-time Monitoring and Controlling, thoroughly eliminated potential safety hazard the water supply loop fully-automatic thermostatic.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
The specific embodiment
As shown in Figure 1, this automatic constant-temperature water supply installation comprises the loop of once heating, secondary water-supply loop, is assemblied in the heat exchanger 1 between two loops and is fitted in the circulating pump in the secondary water-supply loop and be used to control the switch board 4 of circulating pump, the loop of once heating is serially connected in the supplying heat source loop, one end of its connecting line is communicated with the output pipe of supplying heat source, the other end connects the input port of heat exchanger 1 through control valve, and heat exchanger 1 present embodiment is selected plate type heat exchanger for use.The delivery outlet of heat exchanger 1 is communicated with the water return pipeline of supplying heat source through connecting line, control valve and steam trap.The secondary water-supply loop provides thermal water source's water supply closed circuit for one to the user, its thermal source comes from plate type heat exchanger 1, the heat exchange output port of plate type heat exchanger 1 is serially connected in the secondary water-supply loop, two circulating pump 2,3 parallel being serially connected in the secondary water-supply loop, wherein one is guest machine, circulating pump 2,3 is controlled its conversion of operation state by switch board, and circulating pump conversion of operation state present embodiment depends mainly on the water temperature in the secondary water-supply loop.Be stablizing of water temperature in the assurance secondary water-supply loop, present embodiment is provided with a temperature sensor 5 at the intake line place in heat exchanger 1 secondary water-supply loop, the output of temperature sensor 5 links to each other with the input of the intelligent temperature controller of switch board 4, and the output of switch board 4 links to each other with the input control end of circulating pump 2,3.Switch board 4 present embodiments are selected the VFC cabinet for use, and are fitted with intelligent temperature controller in the VFC cabinet.Its control procedure and operation principle to the secondary water-supply loop water temperature is as follows: the fiducial temperature of design temperature sensor 5 at first, present embodiment is set at 30～50 ℃.When the temperature in the intake line in heat exchanger 1 secondary water-supply loop is higher than the fiducial temperature of setting, temperature sensor 5 is promptly exported the input of the intelligent temperature controller of an analog signal to the VFC cabinet 4, the control signal of intelligent temperature controller output inserts the input of frequency-variable controller, frequency-variable controller is promptly exported a frequency change control signal to water circulating pump 2, and water circulating pump 2 switches to the low frequency operation mode operation.When the temperature in the intake line in heat exchanger 1 secondary water-supply loop is lower than the fiducial temperature of setting, temperature sensor 5 is promptly exported the input of the intelligent temperature controller of an analog signal to the VFC cabinet 4, the control signal of intelligent temperature controller output inserts the input of frequency-variable controller, frequency-variable controller is promptly exported a frequency change control signal to water circulating pump 2, and water circulating pump 2 is with the high-frequency work mode operation.The above-mentioned course of work can circulate in the scope that guarantees the setting fiducial temperature and carry out, thereby has realized with real-time monitor temperature being the operation mode of operation of benchmark control water circulating pump frequency conversion temperature adjustment.This kind mode of operation can under the prerequisite that guarantees water temperature, be adjusted the running status of control appliance according to user's water consumption, makes equipment reach best operational effect.
In order further to guarantee the stable of secondary water-supply loop output water temperature or to realize constant water temperature output, the utility model also is provided with temperature sensor 6 respectively in the exit in heat exchanger secondary water-supply loop, 7, simultaneously be equipped with temperature control valve 8 in once the heat intake line porch in loop of heat exchanger 1, and water solenoid valve 9 is unloaded in setting in the intake line in secondary water-supply loop, temperature sensor 6,7 output links to each other with the input of the intelligent temperature controller of switch board 4, and the output of switch board 4 links to each other with the input control end that unloads water solenoid valve 9 with temperature control valve 8 respectively.The control procedure and the operation principle to the secondary water-supply loop water temperature of above-mentioned 2 place's temperature acquisition points are same as described above substantially, no longer describe in detail.Its difference is: the temperature reference value difference that two temperatures sensor 6,7 is set, temperature sensor 6 is 45～55 ℃, temperature sensor 7 is 60～70 ℃, when the temperature of temperature sensor 6,7 collections was higher than design temperature, the control signal of the intelligent temperature controller output of VFC cabinet 4 was opened temperature control valve 8 respectively and is unloaded water solenoid valve 9.When otherwise the temperature of gathering when temperature sensor 6,7 was lower than design temperature, promptly closing temperature control valve 8 and unload water solenoid valve 9 had further guaranteed the constancy of water temperature in the secondary water-supply loop.Simultaneously in order to prevent the generation of fortuitous event, in temperature sensor 6, also be provided with 70 ℃ of alarm temperature setting values, when the temperature of temperature sensor 6 collections is greater than or equal to the alarm temperature of setting, the control signal of the intelligent temperature controller output of VFC cabinet 4 will start alarm work, the staff promptly is carved on site fault clearing, the recovery system operation.
Claims (3)
1. automatic constant-temperature water supply installation, it comprises the loop of once heating, secondary water-supply loop, is assemblied in the heat exchanger between two loops and is fitted in the circulating pump in the secondary water-supply loop and be used to control the switch board of circulating pump, it is characterized in that in heat exchanger secondary water-supply loop, being provided with temperature sensor, the output of described temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end of circulating pump.
2. automatic constant-temperature water supply installation according to claim 1, it is characterized in that being provided with temperature sensor in the output pipe porch in described heat exchanger secondary water-supply loop, in the intake line in secondary water-supply loop, be provided with and unload water solenoid valve, the output of described temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end that unloads water solenoid valve and alarm respectively.
3. automatic constant-temperature water supply installation according to claim 1 and 2, it is characterized in that being provided with temperature sensor in the output pipe exit in described heat exchanger secondary water-supply loop, once the heat intake line porch in loop is equipped with temperature control valve, the output of temperature sensor links to each other with the input of the intelligent temperature controller of switch board, and the output of switch board links to each other with the input control end of temperature control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201056822U CN201259267Y (en) | 2008-08-29 | 2008-08-29 | Automatic constant temperature water supply installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201056822U CN201259267Y (en) | 2008-08-29 | 2008-08-29 | Automatic constant temperature water supply installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201259267Y true CN201259267Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201056822U Expired - Fee Related CN201259267Y (en) | 2008-08-29 | 2008-08-29 | Automatic constant temperature water supply installation |
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| CN (1) | CN201259267Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679431A (en) * | 2011-03-10 | 2012-09-19 | 九星E&C株式会社 | Energy-saving central heating and hot water supply system |
| RU2689873C1 (en) * | 2018-11-16 | 2019-05-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Design of individual heat point |
| RU2741188C1 (en) * | 2020-09-11 | 2021-01-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Design of individual heat point with independent connection of local heating system |
-
2008
- 2008-08-29 CN CNU2008201056822U patent/CN201259267Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679431A (en) * | 2011-03-10 | 2012-09-19 | 九星E&C株式会社 | Energy-saving central heating and hot water supply system |
| RU2689873C1 (en) * | 2018-11-16 | 2019-05-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Design of individual heat point |
| RU2741188C1 (en) * | 2020-09-11 | 2021-01-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Design of individual heat point with independent connection of local heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20110829 |