CN203336889U - Heat pump unit with water flow protection function - Google Patents
Heat pump unit with water flow protection function Download PDFInfo
- Publication number
- CN203336889U CN203336889U CN2013203128281U CN201320312828U CN203336889U CN 203336889 U CN203336889 U CN 203336889U CN 2013203128281 U CN2013203128281 U CN 2013203128281U CN 201320312828 U CN201320312828 U CN 201320312828U CN 203336889 U CN203336889 U CN 203336889U
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- heat pump
- pump unit
- water flow
- water
- pulse
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Abstract
The utility model discloses a heat pump unit with a water flow protection function. The heat pump unit is used in the field of heat pumps and comprises a water flow pipeline provided with a pulse flow meter and a heat pump unit heating the water flow pipe, wherein the heat pump unit comprises a pipeline loop filled with a working medium, a compressor, a condenser, a throttling device and an evaporator. The compressor, the condenser, the throttling device and the evaporator are sequentially connected on the pipeline loop in series, the water flow pipeline passes by the condenser, and the heat pump unit further comprises a controller for receiving a pulse signal of the pulse flow meter and controlling the compressor. In the heat pump unit, the pulse flow meter produces and sends the pulse signal to the controller, the controller performs detection of flows in the water flow pipeline according to the frequency of the pulse signal, and further the judgment whether water flow protection is required or not is made. Due to the fact that an element for producing the pulse signal in the pulse flow meter is not directly in contact with water, false alarms caused by the influence of the corrosion, scaling and other characteristics of metal elements in the water are avoided, and the water flow situation is accurately reflected.
Description
Technical field
The utility model, for art of heat pumps, particularly relates to a kind of source pump with the current protection.
Background technology
Current heat-pump apparatus is all that the current that use water flow switch to carry out unit are protected.The operation principle of water flow switch is: when the discharge in the pipeline of water route is enough, the mechanical catch of water flow switch inside produces displacement and drives the effect of magnetic source generation magnetic control and makes sensor output " 1 " switching signal be transferred to heat pump controller under the effect of current, the signal judgement system water flow that controller comes according to transmission is normal, therefore do not send instruction to heat pump, when the discharge in the pipeline of water route is too small, when discharge is not enough to promote water flow switch internal mechanical washer and is subjected to displacement, at this moment sensor can be exported " 0 " switching signal to controller, the signal that controller comes according to transmission is judged the discharge deficiency in system water route, and then send control signal and control heat pump and quit work, carry out the current protection.
But water flow switch is a mechanical organ, contacts with water for a long time and be easy to be subject to the properties influence that the underwater golds such as corrosion, fouling belong to original paper.Make the resistance of internal mechanical catch strengthen, be easy to like this occur that original system water flow is enough, sensor but detects the discharge deficiency in system water route, thereby causes the current protection inaccurate, false alarm occurs.
The utility model content
For addressing the above problem, the utility model provides a kind of accurate reflection current situation, avoids the source pump with the current protection of false alarm.
The utility model solves the technical scheme that its technical problem adopts: a kind of source pump with the current protection; comprise the water pipeline that is provided with pulse flowmeter and the heat pump unit of flow heated water pipeline; heat pump unit comprises the pipe-loop that working medium is housed and is serially connected in successively compressor, condenser, throttling arrangement and the evaporimeter on pipe-loop; the water pipeline condenser of flowing through, heat pump unit also comprises the pulse signal of received pulse flowmeter and controls the controller of compressor.
Be further used as the improvement of technical solutions of the utility model, be provided with water pump in water pipeline.
Be further used as the improvement of technical solutions of the utility model, pulse flowmeter is located at the delivery port of water pipeline.
The beneficial effects of the utility model: in this source pump with the current protection; pulse flowmeter is by producing pulse signal to controller; then controller carries out the detection of flow in water pipeline again according to the frequency of pulse signal; and then judge whether to carry out the current protection; because producing the element of pulse signal in pulse flowmeter does not directly contact with water; and then the false alarm that causes of the properties influence of having avoided the underwater golds such as corrosion, fouling to belong to original paper, reflection current situation is more accurate.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment overall structure schematic diagram.
The specific embodiment
With reference to Fig. 1; the utility model provides a kind of source pump with the current protection; comprise the water pipeline 1 that is provided with pulse flowmeter 10 and the heat pump unit 2 of flow heated water pipeline 1; heat pump unit 2 comprises the pipe-loop 21 that working medium is housed and is serially connected in successively compressor 22, condenser 23, throttling arrangement 26 and the evaporimeter 24 on pipe-loop 21; water pipeline 1 condenser 23 of flowing through, heat pump unit 2 also comprises the pulse signal of received pulse flowmeter 10 and controls the controller 25 of compressor 22.
The utility model is used pulse flowmeter 10 to carry out the current protection of system, the operation principle of pulse flowmeter 10 is: the water in water pipeline 1 is through the water inlet of pulse flowmeter 10, the impeller of pulse flowmeter 10 inside starts to rotate under the impact of water, and then impel the rotating shaft in the middle of impeller to rotate, when rotating shaft is rotated, the magnet on rotating shaft top also and then rotates together, when magnet rotates, the Hall element of pulse flowmeter 10 inside will produce pulse signal to controller 25, the pulse signal that controller 25 comes according to transmission carries out detection and the judgement of flow system flow, when pulse signal frequency is high, the discharge in controller 25 judgement system water routes is enough, not send instruction to compressor 22, when pulse signal frequency is low, the discharge deficiency in the water route of controller 25 judgement systems, and then control compressor 22 and shut down, stop heat pump unit 2 operations, carry out the current protection.
Simultaneously, pulse flowmeter 10 can also be by producing pulse signal to controller 25, and controller 25 shows that at the pulse signal according to transmitting the heating capacity, the advance notice that calculate heat the time, so just better improve customer experience in real time.
As the utility model preferred embodiment, be provided with water pump 11 in water pipeline 1.
As the utility model preferred embodiment, pulse flowmeter 10 is located at the delivery port of water pipeline 1.
The utility model can be used for Constant temperature swimming pool 3, and the delivery port that the water inlet of water pipeline 1 is located at the Di， mouth of a river, the pond pipeline 1 of Constant temperature swimming pool 3 is located at the sidewall of Constant temperature swimming pool 3.Heat pump unit 2 work, water temperature at the bottom of Constant temperature swimming pool 3 ponds is lower, pass through the condenser 23 of heat pump unit 2 under the effect of water pump 11, by the working medium heat exchange with condenser 23 inside, water temperature raises and the delivery port by sidewall reenters in Constant temperature swimming pool 3, carry out and so forth, the water in Constant temperature swimming pool 3 maintains constant temperature under the effect of heat pump unit 2.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (3)
1. the source pump with current protections, it is characterized in that: comprise the water pipeline (1) that is provided with pulse flowmeter (10) and the heat pump unit (2) that heats described water pipeline (1), described heat pump unit (2) comprises the pipe-loop (21) that working medium is housed and is serially connected in successively the compressor (22) on described pipe-loop (21), condenser (23), throttling arrangement (26) and evaporimeter (24), described water pipeline (1) condenser (23) of flowing through, described heat pump unit (2) also comprises the pulse signal of received pulse flowmeter (10) and controls the controller (25) of described compressor (22).
2. the source pump with the current protection according to claim 1, is characterized in that: be provided with water pump (11) in described water pipeline (1).
3. the source pump with current protections according to claim 1 and 2, it is characterized in that: described pulse flowmeter (10) is located at the delivery port of water pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203128281U CN203336889U (en) | 2013-05-31 | 2013-05-31 | Heat pump unit with water flow protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203128281U CN203336889U (en) | 2013-05-31 | 2013-05-31 | Heat pump unit with water flow protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203336889U true CN203336889U (en) | 2013-12-11 |
Family
ID=49705559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203128281U Expired - Lifetime CN203336889U (en) | 2013-05-31 | 2013-05-31 | Heat pump unit with water flow protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203336889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210828A (en) * | 2018-09-13 | 2019-01-15 | 广东芬尼克兹节能设备有限公司 | Heat pump unit and heat pump unit with pulse flowmeter |
-
2013
- 2013-05-31 CN CN2013203128281U patent/CN203336889U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210828A (en) * | 2018-09-13 | 2019-01-15 | 广东芬尼克兹节能设备有限公司 | Heat pump unit and heat pump unit with pulse flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |