CN104654594A - Water heater user behavior simulation testing device - Google Patents

Water heater user behavior simulation testing device Download PDF

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Publication number
CN104654594A
CN104654594A CN201310597798.8A CN201310597798A CN104654594A CN 104654594 A CN104654594 A CN 104654594A CN 201310597798 A CN201310597798 A CN 201310597798A CN 104654594 A CN104654594 A CN 104654594A
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China
Prior art keywords
flow
water
valve
signal
circuit
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CN201310597798.8A
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CN104654594B (en
Inventor
吴学伟
温东彪
洪忠玮
刘明校
曾辉
唐凤亚
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention discloses a water heater user behavior simulation testing device. The water heater user behavior simulation testing device comprises a water mixing valve, a two-port valve, a temperature sensor, a flow sensor, a control unit and an operation display unit. The hot water inlet of the water mixing valve is communicated with the hot water outlet of the water heater; the water outlet of the water mixing valve is communicated with the water inlet of a water outlet pipe; the two-port valve is arranged on the water outlet pipe; the temperature sensor is used for detecting the water temperature of the water outlet of the water outlet pipe; the flow sensor is used for detecting the flow inside the water outlet pipe; the control unit is connected with the water mixing valve, the two-port valve, the temperature sensor and the flow sensor; the operation display unit is communicated with a control circuit. The water heater user behavior simulation testing device can automatically simulate user water consumption habits according to preset parameters, thereby improving the efficiency and precision of water heater test, achieving unmanned experiments and reducing the workload.

Description

The experimental provision of simulation water heater user behavior
Technical field
The present invention relates to experimental provision, particularly relate to a kind of experimental provision of simulating water heater user behavior.
Background technology
Air-source water heater, because of comfortable and energy-conservation, is more and more subject to liking of consumer.In order to reach more comfortable and energy-conservation object, producer needs the usage behavior of analog subscriber to test usually, then sums up optimum air-source water heater control algolithm.The experiment method of current air-source water heater adopts manual control switch's tap to carry out the method discharged water usually, and this experiment method workload is very large, and inaccuracy.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, provides a kind of experimental provision of simulating water heater user behavior, to reduce the workload of water heater experiment, improves accuracy simultaneously.
In order to solve the problems of the technologies described above, a kind of experimental provision of simulating water heater user behavior provided by the present invention, comprise mixed water valve, two-port valve, temperature sensor, flow sensor, control unit and operation display unit, the hot water inlet of described mixed water valve is connected with the hot water outlet of described water heater, the cooling water inlet of described mixed water valve is communicated with running water pipe, the described delivery port of mixed water valve is connected with the water inlet of outlet pipe, described two-port valve is arranged on described outlet pipe, described temperature sensor is for detecting the water temperature of described outlet pipe delivery port, described flow sensor is for detecting the flow in described outlet pipe, described control unit connects described mixed water valve, described two-port valve, described temperature sensor and described flow sensor respectively, and described operation display unit is connected with described control circuit communication,
Described control unit receives the temperature signal of described temperature sensor collection and the flow signal of described flow sensor collection, and to described operation display unit transmission this temperature signal described and described flow signal; The using water period signal that described operation display unit is preset to the transmission of described control unit and each using water period corresponding use coolant-temperature gage signal, the clock signal of described using water period signal and control circuit inside compares by described control circuit, and send drive singal according to comparative result to described two-port valve, and described control circuit calculates according to described coolant-temperature gage signal and described temperature signal, and send drive singal according to result of calculation to described mixed water valve.
Wherein in an embodiment, described control unit comprises microprocessor unit, AD sample conversion circuit, flow sensing circuit, two-port valve drive circuit, mixed water valve drive circuit and the first communicating circuit, described temperature sensor is connected with described microprocessor unit through described AD sample conversion circuit, described flow sensor is connected with described microprocessor unit through described flow sensing circuit, described two-port valve is connected with described microprocessor unit through described two-port valve drive circuit, described mixed water valve is connected with described microprocessor unit through described mixed water valve drive circuit, described operation display unit is connected with described microprocessor unit through described first communicating circuit.
Wherein in an embodiment, described operation display unit comprises operating unit, display unit and the second communicating circuit, described operating unit is connected with described second communicating circuit with described display unit, and described second communicating circuit is connected with described first communicating circuit.
Wherein in an embodiment, described first communicating circuit and described second communicating circuit are RS485 communicating circuit.
Wherein in an embodiment, described experimental provision also comprises flow valve, and this flow valve is arranged on described outlet pipe, and this flow valve is connected with described control unit; Described operation display unit to described control unit send flow is set flow signal is set, described control unit arranges flow signal and described flow signal calculates according to described, and sends drive singal according to this result of calculation to described flow valve.
Wherein in an embodiment, described experimental provision also comprises computer and data converter, and this computer comprises memory cell and USB interface, and described USB interface is connected with described operation display unit through described data converter; Described operation display unit transmits described temperature signal and described flow signal to described computer, and described temperature signal and described flow signal are stored in described memory cell by described computer.
Compared with prior art, the experimental provision of simulation water heater user behavior of the present invention, by operation display unit arrange in advance using water period and each using water period corresponding with coolant-temperature gage, by the opening and closing of control unit according to setting-up time timing controlled two-port valve, thus analog subscriber every day use water arrangement of time, controlling mixed water valve by control unit regulates cold-hot water proportion to carry out adjusting water outlet temperature, thus simulation different time sections user coolant-temperature gage; And according to each by water flow during water and leaving water temperature information, can accurately calculate the hot water amount of actual user's water.As can be seen here, automatic imitation user water habits can be carried out according to parameter preset by the experimental provision of simulation water heater user behavior of the present invention, improve conventional efficient and precision, unmanned experiment can be realized, decrease workload.
Accompanying drawing explanation
Fig. 1 is the experimental provision of simulation water heater user behavior in the embodiment of the present invention and the annexation figure of water heater;
Fig. 2 is the block diagram of the experimental provision of simulation water heater user behavior in the embodiment of the present invention;
Fig. 3 is the circuit diagram of the AD sample conversion circuit of control unit;
Fig. 4 is the circuit diagram of the flow sensing circuit of shown control unit;
Fig. 5 is the circuit diagram of the two-port valve drive circuit of control unit;
Fig. 6 is the circuit diagram of the mixed water valve drive circuit of control unit.
Description of reference numerals: 101, water heater; 102, hot-water line; 103, mixed water valve; 104, outlet pipe; 105, two-port valve; 106, temperature sensor; 107, flow sensor; 108, flow valve; 200, control unit; 201, microprocessor unit; 202, AD sample conversion circuit; 203, flow sensing circuit; 204, two-port valve drive circuit; 205, mixed water valve drive circuit; 206, the first communicating circuit; 207, traffic driven circuit; 300, operation display unit; 301, operating unit; 302, display unit; 303, the second communicating circuit; 400, data converter; 500, computer.
Detailed description of the invention
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
Figure 1 shows that the experimental provision of simulation water heater user behavior in one of them embodiment of the present invention and the annexation figure of water heater 101, as shown in Figure 1, this experimental provision comprises mixed water valve 103, two-port valve 105, temperature sensor 106, flow sensor 107, control unit 200 and operation display unit 300, wherein, described mixed water valve 103 is mixed water valve of the prior art, it has hot water inlet, cooling water inlet and delivery port, the hot water inlet of mixed water valve 103 is connected through the hot water outlet of hot-water line 102 with described water heater 101, the cooling water inlet of described mixed water valve 103 is communicated with running water pipe, the delivery port of described mixed water valve 103 is connected with the water inlet of outlet pipe 104, described two-port valve 105 is arranged on described outlet pipe 104, for opening and closing outlet pipe 104, described temperature sensor 106 is arranged at the position of the close delivery port on outlet pipe 104, for detecting the water temperature of described outlet pipe 104 delivery port, described flow sensor 107 is arranged in outlet pipe 104, for detecting the flow in described outlet pipe 104.Described control unit 200 connects described mixed water valve 103, described two-port valve 105, described temperature sensor 106 and described flow sensor 107 respectively, and described operation display unit 300 is connected with described control circuit communication.
Described control unit 200 receives the temperature signal of described temperature sensor 106 collection and the flow signal of described flow sensor 107 collection, and transmits this temperature signal described and described flow signal to described operation display unit 300, described operation display unit 300 inputs using water period and coolant-temperature gage corresponding to each using water period for laboratory technician, and by using water period signal and each using water period corresponding with coolant-temperature gage Signal transmissions to described control unit 200, the clock signal of described using water period signal and control circuit inside compares by described control circuit, and send drive singal according to comparative result to described two-port valve 105, thus analog subscriber every day use water arrangement of time, and described control circuit calculates according to described coolant-temperature gage signal and described temperature signal, and send drive singal according to result of calculation to described mixed water valve 103, regulating mixed water valve 103 reaches and arranges water temperature, thus simulation different time sections user coolant-temperature gage.Mixed water valve 103 adjustment process is as follows: mixed water valve 103 has 3 interfaces, is hot water inlet, cooling water inlet and delivery port respectively.Microprocessor unit 201 arranges water temperature signal and described temperature signal compares by described, when the target leaving water temperature corresponding to the leaving water temperature ratio coolant-temperature gage signal corresponding to temperature signal is low, increase the aperture of hot water inlet, thus the flow that increase hot water flows to, improve leaving water temperature.Otherwise, when the leaving water temperature corresponding to temperature signal is than the target leaving water temperature height used corresponding to coolant-temperature gage signal, increase the aperture of cooling water inlet, thus the flow that increase cold water flows to, reduce leaving water temperature, reach the object of adjusting water outlet temperature.Once mix the adjustment of water valve 103 aperture at set intervals.
As can be seen here, automatic imitation user water habits and automatic record can be carried out according to parameter preset by the experimental provision of simulation water heater 101 user behavior of the present embodiment, improve conventional efficient and precision, unmanned experiment can be realized, decrease workload.
Preferably, described experimental provision also comprises flow valve 108, and this flow valve 108 is arranged on described outlet pipe 104, and this flow valve 108 is connected with described control unit 200; Described operation display unit 300 to described control unit 200 send flow is set flow signal is set, described control unit 200 arranges flow signal and described flow signal calculates according to described, and sends drive singal according to this result of calculation to described flow valve 108.The uninterrupted that control unit 200 sets according to computer 500 or operation display unit 300 carries out flow discharges control to flow valve 108, controls the effect with different gondola water faucets (gondola water faucet that the gondola water faucet that flow is large, flow are little) when water flow carrys out analog subscriber water by flow valve 108.
Figure 2 shows that the block diagram of described control unit 200, control unit 200 comprises microprocessor unit 201, AD sample conversion circuit 202, flow sensing circuit 203, two-port valve drive circuit 204, mixed water valve drive circuit 205, flow valve drive circuit 207 and the first communicating circuit 206, described temperature sensor 106 is connected with described microprocessor unit 201 through described AD sample conversion circuit 202, described flow sensor 107 is connected with described microprocessor unit 201 through described flow sensing circuit 203, described two-port valve 105 is connected with described microprocessor unit 201 through described two-port valve drive circuit 204, described mixed water valve 103 is connected with described microprocessor unit 201 through described mixed water valve drive circuit 205, described flow valve 108 is connected with described microprocessor unit 201 through described flow valve drive circuit 207, described operation display unit 300 is connected with described microprocessor unit 201 through described first communicating circuit 206.Microprocessor unit 201 detects temperature sensor 106 signal being arranged on delivery port by AD sample conversion circuit 202, thus detects leaving water temperature value; Microprocessor unit 201 detects the flow sensor 107 signal acquisition flow value being arranged on delivery port by flow sensing circuit 203.The data such as flow value and leaving water temperature are beamed back operation display unit 300 by the first communicating circuit by microprocessor unit 201.
As shown in Figure 2, described operation display unit 300 comprises operating unit 301, display unit 302 and the second communicating circuit 303, described operating unit 301 is for laboratory technician's incoming timing time period and arrange water temperature, described display unit 302 is for showing this temperature signal described and described flow signal, described operating unit 301, described display unit 302 are connected with described second communicating circuit 303, and described second communicating circuit 303 is connected with described first communicating circuit 206.More preferably, described first communicating circuit 206 and described second communicating circuit 303 are RS485 communicating circuit.
Preferably, described experimental provision also comprises computer 500 and data converter 400, and this computer 500 comprises memory cell and USB interface, and described USB interface is connected with described operation display unit 300 through described data converter 400; Described operation display unit 300 transmits described temperature signal and described flow signal to described computer 500, and described temperature signal and described flow signal are stored in described memory cell by described computer 500.Because computer 500 is without RS485 interface, changes into USB interface by data converter 400 and carry out data interaction with computer 500 again.Computer 500 to store by the data of high-level software to operation display unit 300 and to the time period of timing water with arrange with coolant-temperature gage.And computer 500 can realize long-range control after networking and data are checked.
Figure 3 shows that the circuit diagram of AD sample conversion circuit 202.In Fig. 3, CN24 is a needle stand, external described temperature sensor 106, temperature sensor 106 and resistance R41 form dividing potential drop, microprocessor unit 201 passes through the electric circuit inspection of Fig. 3 to the voltage of resistance R41, can draw leaving water temperature by the voltage of resistance R41 according to the temperature of temperature sensor 106-resistance characteristic curve.
Figure 4 shows that the circuit diagram of flow sensing circuit 203.CN20 in Fig. 4 is a four-core needle stand, connection traffic sensor 107, FLOW_FB is the pulse signal of the output of flow sensor 107, be connected to microprocessor unit 201, microprocessor unit 201 goes out umber of pulse per minute by the computation of Period detecting pulse signal, and the corresponding relation according to umber of pulse/min and flow calculates flow value.
Figure 5 shows that the circuit diagram of two-port valve drive circuit 204.After switching signal arrives, operation display unit 300 switching signals are to control unit 200, and the microprocessor unit 201 of control unit 200 exports ON/OFF signal.Two-port valve drive circuit 204 is as follows, and microprocessor unit 201 exports the switching signal 2V_2003 of two-port valve 105, and controlled by the live wire of relay K 14 pairs of two-port valves 105, needle stand CN9 connects two-port valve 105.RC14 absorbs the interfering energy produced when two-port valve 105 cut-offs.
Figure 6 shows that the circuit diagram of mixed water valve drive circuit 205.Mixed water valve 103 interface circuit is as follows, and needle stand CN5 received by mixed water valve 103, and the drive singal of output carries out Current amplifier by U15 driving chip 2003 and increases driving force.
Traffic driven circuit is the same with mixed water valve drive circuit 205, does not repeat them here.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (6)

1. simulate the experimental provision of water heater user behavior for one kind, it is characterized in that, comprise mixed water valve, two-port valve, temperature sensor, flow sensor, control unit and operation display unit, the hot water inlet of described mixed water valve is connected with the hot water outlet of described water heater, the cooling water inlet of described mixed water valve is communicated with running water pipe, the described delivery port of mixed water valve is connected with the water inlet of outlet pipe, described two-port valve is arranged on described outlet pipe, described temperature sensor is for detecting the water temperature of described outlet pipe delivery port, described flow sensor is for detecting the flow in described outlet pipe, described control unit connects described mixed water valve, described two-port valve, described temperature sensor and described flow sensor respectively, and described operation display unit is connected with described control circuit communication,
Described control unit receives the temperature signal of described temperature sensor collection and the flow signal of described flow sensor collection, and to described operation display unit transmission this temperature signal described and described flow signal; The using water period signal that described operation display unit is preset to the transmission of described control unit and each using water period corresponding use coolant-temperature gage signal, the clock signal of described using water period signal and control circuit inside compares by described control circuit, and send drive singal according to comparative result to described two-port valve, and described control circuit calculates according to described coolant-temperature gage signal and described temperature signal, and send drive singal according to result of calculation to described mixed water valve.
2. experimental provision according to claim 1, it is characterized in that, described control unit comprises microprocessor unit, AD sample conversion circuit, flow sensing circuit, two-port valve drive circuit, mixed water valve drive circuit and the first communicating circuit, described temperature sensor is connected with described microprocessor unit through described AD sample conversion circuit, described flow sensor is connected with described microprocessor unit through described flow sensing circuit, described two-port valve is connected with described microprocessor unit through described two-port valve drive circuit, described mixed water valve is connected with described microprocessor unit through described mixed water valve drive circuit, described operation display unit is connected with described microprocessor unit through described first communicating circuit.
3. experimental provision according to claim 2, it is characterized in that, described operation display unit comprises operating unit, display unit and the second communicating circuit, described operating unit is connected with described second communicating circuit with described display unit, and described second communicating circuit is connected with described first communicating circuit.
4. experimental provision according to claim 3, is characterized in that, described first communicating circuit and described second communicating circuit are RS485 communicating circuit.
5. experimental provision according to claim 1, is characterized in that, described experimental provision also comprises flow valve, and this flow valve is arranged on described outlet pipe, and this flow valve is connected with described control unit; Described operation display unit to described control unit send flow is set flow signal is set, described control unit arranges flow signal and described flow signal calculates according to described, and sends drive singal according to this result of calculation to described flow valve.
6. experimental provision as claimed in any of claims 1 to 5, it is characterized in that, described experimental provision also comprises computer and data converter, and this computer comprises memory cell and USB interface, and described USB interface is connected with described operation display unit through described data converter; Described operation display unit transmits described temperature signal and described flow signal to described computer, and described temperature signal and described flow signal are stored in described memory cell by described computer.
CN201310597798.8A 2013-11-21 2013-11-21 Simulate the experimental provision of water heater user behavior Expired - Fee Related CN104654594B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202428A (en) * 2017-06-28 2017-09-26 合肥工业大学 A kind of single electric heater method for estimating state

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KR20040081970A (en) * 2003-03-17 2004-09-23 주식회사 경동보일러 Hot Water Supply Adjustment Apparatus of Boiler
US20090133641A1 (en) * 2005-11-19 2009-05-28 Kyungdong Everon Co., Ltd. Device for Preventing Initial Hot Water Supplying in Concentric Tube Type Heat Exchanger and Its Control Method
CN201527108U (en) * 2009-10-16 2010-07-14 朱鸽 Heat pump water heater controller
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Publication number Priority date Publication date Assignee Title
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CN107202428B (en) * 2017-06-28 2020-10-16 合肥工业大学 State estimation method for single electric water heater

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