CN202868981U - Instant heat pump water heater with compressor variable capacity adjustment function - Google Patents
Instant heat pump water heater with compressor variable capacity adjustment function Download PDFInfo
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- CN202868981U CN202868981U CN 201220281042 CN201220281042U CN202868981U CN 202868981 U CN202868981 U CN 202868981U CN 201220281042 CN201220281042 CN 201220281042 CN 201220281042 U CN201220281042 U CN 201220281042U CN 202868981 U CN202868981 U CN 202868981U
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Abstract
The utility model discloses an instant heat pump water heater with a compressor variable capacity adjustment function. The instant heat pump water heater comprises a refrigerant circulating system, a water supply system and a control system, wherein the water supply system comprises a cold water pipe, a flow adjusting valve, a water mixing valve, an auxiliary water storage box, a hot water pump and a solenoid valve; the cold water pipe is divided into two paths; one path is connected with an inlet water pipe of a condenser through an outlet of the flow adjusting valve; an outlet water pipe of the condenser is communicated with the auxiliary water storage box; the auxiliary water storage box is connected to the water mixing valve; the other path is directly connected with the water mixing valve; the auxiliary water storage box is also provided with a connector connected with the hot water pump; and the hot water pump is connected with an outlet pipeline of the flow adjusting valve through the solenoid valve. The auxiliary water storage box can be used for solving the problem of heating in the starting process or the intermediate stopping process in the prior art. The instant heat pump water heater is high in energy efficiency ratio and good in energy-saving effect, the starting current is reduced due to the low-load starting mode, and the usage states of other household appliances are not influenced.
Description
Technical field
The utility model relates to water heater, and instant heating type heat pump water heater is regulated in especially a kind of compressor transfiguration.
Background technology
Teat pump boiler utilizes contrary Carnot cycle principle, by consuming a small amount of electric energy, the heat of low temperature environment shifted to hot environment (hot water), and be a kind of energy-conserving product of producing health hot water, annual Energy Efficiency Ratio reaches about 3.0.At present the Teat pump boiler pattern has two kinds: two kinds of circulating heating type and hot types, and the former is that the water storage temperature is elevated to 50 ~ 60 ℃ the most at last by the water circulation heating with storage tank; Latter is in the future to water (5 ~ 35 ℃ of temperature) one-time heating to 45 ~ 60 of running water pipe ℃, hot type divides directly-heated type and Instant heating type two kinds, directly-heated type is that the hot water behind condenser one-time heating to 45 ~ 60 ℃ is delivered to first attemperater, deliver to the user from attemperater again, directly-heated type is mainly used in the engineering unit, and compressor horsepower is generally more than 5HP.Instant heating type (being detected in patent) do not establish conventional boiler (water tank capacity is not less than 40L), directly deliver to user's shower bath, adopt the instant heating type heat pump water heater of cistern free simple for structure, requisite space is few, can not leak, it is a kind of desirable Teat pump boiler product, but in the market without the practical application product, reason is generally to adopt to control by discharge and adds heat, and then the control water temperature, in fact this method is impracticable, reason is that the performance characteristic of Teat pump boiler is the variation with environment temperature, Teat pump boiler to add the thermal change amplitude large, environment temperature is when 0 ℃ of left and right sides, and Energy Efficiency Ratio is about 2.5, and environment temperature is when reaching more than 20 ℃, Energy Efficiency Ratio reaches more than 4.0, and it is lower to need to add the heating efficiency of heat when large.The Selection and Design of Teat pump boiler is based on and satisfies the water demand in winter, and when Teat pump boiler used in summer, Energy Efficiency Ratio was large, depending merely on current control can't effectively regulate and add heat, cause easily the heat pump alarm for high voltage when discharge is too small, heating water temperature out is very high, and the user can't use.Other conventional heat pump compressor, electric current is very large during startup, easily other household electrical appliance is caused voltge surge, might cause the household electrical appliance fault.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, provide a kind of and use the high compressor transfiguration of safe and convenient, efficient to regulate instant heating type heat pump water heater, solved Teat pump boiler control water temperature difficult, when going out water unstable and heat pump and starting other household electrical appliance are impacted problem.
The utility model is achieved through the following technical solutions:
Instant heating type heat pump water heater is regulated in a kind of compressor transfiguration, comprises refrigerant-cycle systems, water system, control system;
Described refrigerant-cycle systems comprise compressor, evaporimeter, condenser, expansion valve,, two-way electromagnetic valve; The outlet of described evaporimeter is connected with the import of compressor by pipeline; The outlet of described compressor is connected with the refrigerant inlet of condenser and the entrance of two-way electromagnetic valve respectively by pipeline, and the outlet of described two-way electromagnetic valve is connected with the import of evaporimeter by pipeline; The refrigerant outlet of described condenser is connected with the entrance of evaporimeter through expansion valve;
Described water system comprises cold water pipe, flow control valve, mixed water valve, auxiliary storage tank, heat-exchanger pump, magnetic valve, described cold water pipe is divided into two-way, wherein one road cold water pipe is connected with the entrance water pipe of condenser by the outlet of flow control valve, by the auxiliary storage tank of the outlet cross current of condenser, be connected to mixed water valve by auxiliary storage tank again; Another road cold water pipe directly is connected with mixed water valve; Described auxiliary storage tank also has an interface to connect heat-exchanger pump, and heat-exchanger pump passes through the export pipeline of magnetic valve connection traffic control valve again;
Described control system comprises defrosting detecting sensor, current detecting sensor, cooling-water temperature sensor, the compressor transfiguration step-less adjustment controller that is connected with fuzzy controller; Described defrosting detecting sensor is arranged on the evaporimeter; Described current detecting sensor is arranged on the outlet water pipe of flow control valve; Described cooling-water temperature sensor is two, and one of them is arranged on the import water pipe of flow control valve, another is arranged in the cooling-water temperature sensor; Described compressor transfiguration step-less adjustment controller is connected with compressor; Described fuzzy controller also is connected with two-way electromagnetic valve;
Described compressor adopts frequency-changing cyclone compressor; Shower is installed in the outlet of described mixed water valve; Described evaporimeter also comprises a blower fan.
The utility model volume is little, does not take up space, and does not have the water tank corrosion phenomenon, and is convenient, plug and play, and the low low pressure soft start that carries can not cause other household electrical appliance and use surge, compares with the instant electric water heater, and the utility model Energy Efficiency Ratio is high, and is energy-conservation.
The utility model has solved prior art start-up course or the heating problems of stopping process midway by auxiliary water tank.
The utility model not only starting current is low, regulates associated working control by compressor output quantity transfiguration adjusting, discharge and adds heat, controls water flow temperature, reaches user's demand, allows user's use hot water of following one's inclinations.
The utility model technological means is simple and easy to do, has energetically technique effect and application value.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the local connection diagram of Fig. 1, i.e. refrigerant circulation schematic diagram during of short duration shutdown.
The specific embodiment
Below in conjunction with specific embodiment the utility model is done further concrete detailed description the in detail, but embodiment of the present utility model is not limited to this, the technological parameter for not indicating especially can carry out with reference to routine techniques.
Embodiment
As shown in Figure 1, instant heating type heat pump water heater is regulated in the transfiguration of the utility model compressor, comprises refrigerant-cycle systems, water system, control system.
Described refrigerant-cycle systems comprises compressor 1, evaporimeter 2, condenser 10, expansion valve 6, blower fan 3, two-way electromagnetic valve 11; The outlet of described evaporimeter 2 is connected by the import of pipeline with compressor 1; The outlet of described compressor 1 is connected with the refrigerant inlet of condenser 10 and the entrance of two-way electromagnetic valve 11 respectively by pipeline, and the outlet of described two-way electromagnetic valve 11 is connected with the import of evaporimeter 2 by pipeline 5; The refrigerant outlet of described condenser 10 is connected with the entrance of evaporimeter 2 through expansion valve 6; Compressor 1 adopts frequency-changing cyclone compressor; Described evaporimeter also comprises a blower fan.
Described water system comprises cold water pipe 15, flow control valve 14, mixed water valve 8, auxiliary storage tank 21, heat-exchanger pump 22, magnetic valve 23, described cold water pipe 15 is divided into two-way, wherein one road cold water pipe 15 is connected with the entrance water pipe of condenser 10 by the outlet of flow control valve 14, outlet water pipe by condenser 10 passes through auxiliary storage tank 21, is connected to mixed water valve 8 by auxiliary storage tank 21 again; Another road cold water pipe 15 directly is connected with mixed water valve 8; Described auxiliary storage tank 21 also has an interface to connect heat-exchanger pump 22, and heat-exchanger pump 22 passes through the export pipeline of magnetic valve 23 connection traffic control valves 14 again; Shower 7(or tap are installed in the outlet of mixed water valve 8).
Described control system comprises defrosting detecting sensor 12, current detecting sensor 13, cooling-water temperature sensor 9, the compressor transfiguration step-less adjustment controller 16 that is connected with fuzzy controller 17; Described defrosting detecting sensor 12 is arranged on the evaporimeter 2; Described current detecting sensor 13 is arranged on the outlet water pipe of flow control valve 14; Described cooling-water temperature sensor 9 is two, and one of them is arranged on the import water pipe 15 of flow control valve 14, another is arranged in the cooling-water temperature sensor 9; Described compressor transfiguration step-less adjustment controller 16 is connected with compressor 1; Described fuzzy controller 17 also is connected with two-way electromagnetic valve 11;
Change volume output by the running frequency that changes compressor 1, thereby regulate heating capacity; Compressor 1 frequency shift amplitude is 0～70HZ, each run starts, the frequency change amplitude is 1HZ/ second, need about 1 minute time when reaching steady operational status, need to emit a large amount of cold water, startup after midway shutting down also needs 1 minute the water time that lets cool, and therefore needs to adopt ancillary method to remedy start-up course or the heating problems of stopping process midway; The capacity of the auxiliary storage tank 21 of this example is about 10L.
When the non-water of user, fuzzy controller 17 is by being arranged on the cooling-water temperature sensor 9 perception water temperatures in the auxiliary storage tank 21, when water temperature is lower than lowest temperature (such as 45 ℃), fuzzy controller 17 sends instruction opens magnetic valve 23, heat-exchanger pump 22 starts, to the water circulation heating in the auxiliary storage tank 21, when the water temperature in the auxiliary storage tank 21 reaches preset temperature (such as 55 ℃), heat-exchanger pump 22 cuts out, and while fuzzy controller 17 sends instruction closes magnetic valve 23.
When the user begins water, heat-exchanger pump 22 also starts thereupon, magnetic valve 23 cuts out, and the water of heating is not introduced into condenser 10 and tentatively enters auxiliary storage tank 21 after the heating again, about 1 minute, the hot water that originally was stored in the auxiliary storage tank 21 runs out substantially, and at this moment, the heat pump ability reaches setting value, just can reach required water temperature (as more than 40 ℃) by the water temperature after condenser 10 heating, just can directly use.Yet, the user is in the bathing process, of short duration shower 7(or the tap of closing of needs may appear) situation, at this moment, compressor 1 frequency conversion will reduce, and magnetic valve 23 is opened, heat-exchanger pump 22 starts, begin the water circulation heating in the auxiliary storage tank 21, when the coolant-temperature gage in the auxiliary storage tank 21 reached predetermined temperature (55 ℃), circulating-heating finished.
Fig. 2 is the partial schematic diagram of Fig. 1, and purpose is for circulating path clearer, cold-producing medium when understanding the of short duration shutdown of water heater efficiently.
As seen from Figure 2; except above-described for the bathing process of short duration close shower 7 time running status; also be used for defrost process: in the winter time during outside air temperature lower (below 10 ℃); usually meeting frosting on the evaporimeter 2; if during continuous operating time very long (above 1 hour); frosting thickness heat exchanging causes adverse effect on the evaporimeter 2; need defrosting; for avoiding the defrost phenomenon in the shower process, occurring suddenly; move by force defrost in blanking time at compressor 1; two-way electromagnetic valve 11 is opened, and refrigerant vapour directly directly enters into evaporimeter 2 from compressor 1 outlet, and the frost on its surface is melted.Certainly, except adopt by on address the bypass defrost method that pipeline 5 consists of, can also adopt the method defrosting of laying heating wire at evaporimeter 1.
As mentioned above, just can realize preferably the utility model.
Above-described embodiment only is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other are any not to deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (4)
1. instant heating type heat pump water heater is regulated in a compressor transfiguration, comprises refrigerant-cycle systems, water system, control system, it is characterized in that:
Described refrigerant-cycle systems comprises compressor, evaporimeter, condenser, expansion valve, two-way electromagnetic valve; The outlet of described evaporimeter is connected with the import of compressor by pipeline; The outlet of described compressor is connected with the refrigerant inlet of condenser and the entrance of two-way electromagnetic valve respectively by pipeline, and the outlet of described two-way electromagnetic valve is connected with the import of evaporimeter by pipeline; The refrigerant outlet of described condenser is connected with the entrance of evaporimeter through expansion valve;
Described water system comprises cold water pipe, flow control valve, mixed water valve, auxiliary storage tank, heat-exchanger pump, magnetic valve, described cold water pipe is divided into two-way, wherein one road cold water pipe is connected with the entrance water pipe of condenser by the outlet of flow control valve, by the auxiliary storage tank of the outlet cross current of condenser, be connected to mixed water valve by auxiliary storage tank again; Another road cold water pipe directly is connected with mixed water valve; Described auxiliary storage tank also has an interface to connect heat-exchanger pump, and heat-exchanger pump passes through the export pipeline of magnetic valve connection traffic control valve again;
Described control system comprises defrosting detecting sensor, current detecting sensor, cooling-water temperature sensor, the compressor transfiguration step-less adjustment controller that is connected with fuzzy controller; Described defrosting detecting sensor is arranged on the evaporimeter; Described current detecting sensor is arranged on the outlet water pipe of flow control valve; Described cooling-water temperature sensor is two, and one of them is arranged on the import water pipe of flow control valve, another is arranged in the cooling-water temperature sensor; Described compressor transfiguration step-less adjustment controller is connected with compressor; Described fuzzy controller also is connected with two-way electromagnetic valve.
2. instant heating type heat pump water heater is regulated in compressor transfiguration according to claim 1, it is characterized in that, described compressor adopts frequency-changing cyclone compressor.
3. instant heating type heat pump water heater is regulated in compressor transfiguration according to claim 1, it is characterized in that, shower is installed in the outlet of described mixed water valve.
4. instant heating type heat pump water heater is regulated in compressor transfiguration according to claim 3, it is characterized in that described evaporimeter also comprises a blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281042 CN202868981U (en) | 2012-06-14 | 2012-06-14 | Instant heat pump water heater with compressor variable capacity adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281042 CN202868981U (en) | 2012-06-14 | 2012-06-14 | Instant heat pump water heater with compressor variable capacity adjustment function |
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| Publication Number | Publication Date |
|---|---|
| CN202868981U true CN202868981U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220281042 Expired - Fee Related CN202868981U (en) | 2012-06-14 | 2012-06-14 | Instant heat pump water heater with compressor variable capacity adjustment function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721172A (en) * | 2012-06-14 | 2012-10-10 | 华南理工大学 | Compressor variable capacity regulated instant heat pump water heater |
| CN106871448A (en) * | 2017-03-06 | 2017-06-20 | 浙江地源能源科技有限公司 | A kind of direct-heating-type monoblock type air source hot pump water heater |
-
2012
- 2012-06-14 CN CN 201220281042 patent/CN202868981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721172A (en) * | 2012-06-14 | 2012-10-10 | 华南理工大学 | Compressor variable capacity regulated instant heat pump water heater |
| CN106871448A (en) * | 2017-03-06 | 2017-06-20 | 浙江地源能源科技有限公司 | A kind of direct-heating-type monoblock type air source hot pump water heater |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20160614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |