CN203215974U - Air source heat pump hot water system integrating circulating mode control and directly-heated mode control - Google Patents
Air source heat pump hot water system integrating circulating mode control and directly-heated mode control Download PDFInfo
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- CN203215974U CN203215974U CN 201220723468 CN201220723468U CN203215974U CN 203215974 U CN203215974 U CN 203215974U CN 201220723468 CN201220723468 CN 201220723468 CN 201220723468 U CN201220723468 U CN 201220723468U CN 203215974 U CN203215974 U CN 203215974U
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Abstract
The utility model provides an air source heat pump hot water system integrating circulating mode control and directly-heated mode control, and particularly relates to a double-working-mode heat pump hot water system which uses air as a heat source and can select a circulating mode or a directly-heated mode to produce hot water. The air source heat pump hot water system integrating circulating mode control and directly-heated mode control is mainly composed of a circulating heating circuit and a directly-heated water supply circuit. The circulating heating circuit is mainly composed of a heat pump water heater (1), a hot water tank (11), a circulating water route magnetic valve (10), a circulating pump (9), a check valve (8), a parallelly-connected water route magnetic valve (3) and the like. The directly-heated water supply circuit is mainly composed of a directly-heated water supply pump (6), a directly-heated water route magnetic valve (7), a condensing pressure adjusting valve (4), a heat pump water heater (1), a hot water tank (11) and the like. Through the system, the circulating mode or the directly-heated mode can be selected to produce hot water according to water using features of clients. By the selection of the double working modes, the working mode of a unit can be adjusted according to the actual requirements of the clients, therefore, the overall performance of the whole system is improved, a hot water solution which is good in comfortableness is provided for the clients, and the problem of the heat source for defrosting in winter by the directly-heated mode heat pump unit can be also effectively solved.
Description
Technical field is a kind of can produce hot water by directly-heated, and the air source heat pump hot-water heating system of hot water is produced in the heating that can circulate again, and particularly early stage, directly-heated heated water, the hot-water heating system of later stage circulation constant temperature.
The air source heat pump system that background technology is traditional has only directly-heated to heat or the heating mode that circulates, and can't adjust operational mode according to water situation and the water temperature of reality, has the shortcoming on using.
The water inlet of conventional directly-heated type hot water unit is generally running water, adopt the big temperature difference of low discharge and flow the heat exchange principle of heat exchange fully, has very high Energy Efficiency Ratio, but the inflow temperature of unit can not be too high, otherwise influence unit safety, therefore when the hot water water temperature that has heated in the water tank descends, can not remove constant temperature with the directly-heated type unit, and must adopt other equipment to remove constant temperature, therefore increased the cost of equipment.And conventional directly-heated type hot water unit is when moving in the winter time, if when the running water inflow temperature is very low, inconvenience defrosts as thermal source with running water, otherwise the danger that will have heat exchanger to freeze has also limited the use of directly-heated type unit.
Conventional circulating hot water unit then adopts the heating means of the little temperature difference of big flow, can't satisfy the i.e. sudden water requirement of usefulness of instant heating; Owing to be difficult to utilize countercurrent flow efficiently, the load of system is bigger, has reduced the whole efficiency of heat pump.
Summary of the invention
The purpose of this utility model is in order to overcome the weak point of above-mentioned prior art, propose a kind ofly can produce hot water by directly-heated, the air source heat pump hot-water heating system of heating water can circulate again, combine the advantage of circulating hot water machine and directly-heated type hot water machine: this heat pump hot-water system operational mode is flexible, and whole efficiency height.
The present invention solves the employed technical scheme of its technical problem:
By the parallel connection in directly-heated water supply loop and periodical feeding loop and the use of waterway electromagnetic valve, realize that the unit directly-heated heats and the switching of the heating condition that circulates; In the directly-heated water supply loop, be provided with the condensation pressure regulation valve, by sensing condensing pressure indirect regulation leaving water temperature.
1, operation directly-heated pattern: open the directly-heated waterway electromagnetic valve, close circulation waterway magnetic valve and waterway electromagnetic valve in parallel, operation directly-heated supply-water pump and air-source heat pump hot water group, the condensation pressure regulation valve of directly-heated water system comes constant leaving water temperature by regulating system running water inflow-rate of water turbine, realizes the constant temperature water supply of the big temperature difference of low discharge.
2, operation circulation pattern: ON cycle waterway electromagnetic valve and waterway electromagnetic valve in parallel, close the directly-heated waterway electromagnetic valve, operating circulating water pump and air-source heat pump hot water group, hot-water heating system are heated to the water in the boiler temperature of setting gradually by the circulation heating of the little temperature difference of big flow.
3, the machine unit in winter is when the directly-heated operating mode satisfies the defrost condition, and heat pump switches to defrosting operating condition, and outside water system switches to circulation pattern, and the hot water of boiler is offered source pump as thermal source.
Benefit of the present utility model
Collection directly-heated type and the circulating air source heat pump hot-water heating system that is controlled in one under the utility model, both can move by directly-heated, again can circular flow, the advantage that integrates directly-heated type and circulating hot water machine, for the user provides water temperature stability, comprehensive efficiency height, the hot water solution that comfortableness is good.
The present invention is further described below in conjunction with accompanying drawing for description of drawings.
Accompanying drawing is system diagram of the present invention
Among the figure 1: air-source heat pump hot water group, 2: temperature-sensing probe, 3: waterway electromagnetic valve in parallel, 4: condensation pressure regulation valve, 5: level sensor, 6: directly-heated supply-water pump, 7: directly-heated waterway electromagnetic valve, 8: check (non-return) valve, 9: circulating pump, 10: circulation waterway magnetic valve, 11: boiler.
A kind of directly-heated type and circulating air source heat pump hot-water heating system that is controlled in one of collecting in the specific embodiment accompanying drawing, wherein directly-heated pattern hot-water return is successively by 6: directly-heated supply-water pump, 7: directly-heated waterway electromagnetic valve, 4: condensation pressure regulation valve, 1: net for air-source heat pump units, 2: temperature-sensing probe, 11: boiler and 5: level sensor constitutes.Under the directly-heated pattern, close waterway electromagnetic valve in parallel and circulating pump, open directly-heated waterway electromagnetic valve and directly-heated supply-water pump; Running water is by the condensation pressure regulation valve, and controls discharge automatically, and running water is got back to water tank reach the water temperature of expection by plate type heat exchanger after, then stops heating after the water level of water tank reaches the height that presets.
The circulation pattern hot-water return is successively by 1: air-source heat pump hot water group, 2: temperature-sensing probe, 11: boiler, 10: circulation waterway magnetic valve, 9: circulating pump, 8: check (non-return) valve, 3: waterway electromagnetic valve in parallel constitutes.Under the circulation pattern, water system is opened waterway electromagnetic valve in parallel, and the heating that circulates between plate-type heat-exchange and boiler of circulation waterway magnetic valve and water pump, water then stops heating after the water temperature of water tank reaches desired value.
Claims (3)
1. one kind collects circulation and is controlled in the air source heat pump hot-water heating system of one with directly-heated type, includes air-source heat pump hot water (1), boiler (11), circulation waterway magnetic valve (10), water circulating pump (9), check (non-return) valve (8), the waterway electromagnetic valve in parallel (3) that circulates, condensation pressure regulation valve (4), directly-heated waterway electromagnetic valve (6), directly-heated supply-water pump (7) and temperature sensor (2); Described circulation heating circuit is connected and composed successively by air-source heat pump hot water (1), boiler (11), circulation waterway magnetic valve (10), circulating pump (9), check (non-return) valve (8) and waterway electromagnetic valve in parallel (3), and described directly-heated water supply loop is is mainly connected and composed successively by directly-heated supply-water pump (6), directly-heated waterway electromagnetic valve (7), condensation pressure regulation valve (4), air-source heat pump hot water (1) and boiler (11).
2. according to claim 1ly a kind ofly collect circulation and be controlled in the air source heat pump hot-water heating system of one with directly-heated type, what air-source heat pump hot water (1) was connected with water system is the fluorine water-to-water heat exchanger, can be plate type heat exchanger or double pipe heat exchanger.
3. according to claim 1ly a kind ofly collect circulation and be controlled in the air source heat pump hot-water heating system of one with directly-heated type, boiler (11) inside is provided with liquid level sensor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723468 CN203215974U (en) | 2012-12-17 | 2012-12-17 | Air source heat pump hot water system integrating circulating mode control and directly-heated mode control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220723468 CN203215974U (en) | 2012-12-17 | 2012-12-17 | Air source heat pump hot water system integrating circulating mode control and directly-heated mode control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203215974U true CN203215974U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220723468 Expired - Lifetime CN203215974U (en) | 2012-12-17 | 2012-12-17 | Air source heat pump hot water system integrating circulating mode control and directly-heated mode control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203215974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034031A (en) * | 2014-06-24 | 2014-09-10 | 广东美的暖通设备有限公司 | Heat pump water heater |
| CN114427752A (en) * | 2022-01-21 | 2022-05-03 | 广东和益节能科技股份有限公司 | Control method of multiple air source heat pump units and air source heat pump system |
-
2012
- 2012-12-17 CN CN 201220723468 patent/CN203215974U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034031A (en) * | 2014-06-24 | 2014-09-10 | 广东美的暖通设备有限公司 | Heat pump water heater |
| CN104034031B (en) * | 2014-06-24 | 2016-08-24 | 广东美的暖通设备有限公司 | Heat pump water-heating machine |
| CN114427752A (en) * | 2022-01-21 | 2022-05-03 | 广东和益节能科技股份有限公司 | Control method of multiple air source heat pump units and air source heat pump system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Su Guoyan Document name: Notification that Application Deemed not to be Proposed |
|
| DD01 | Delivery of document by public notice |
Addressee: GUANGZHOU KELI NEW ENERGY Co.,Ltd. Document name: Notification that Application Deemed not to be Proposed |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |