CN209415832U - Heat pump unit and heat pump unit with pulse flowmeter - Google Patents

Heat pump unit and heat pump unit with pulse flowmeter Download PDF

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Publication number
CN209415832U
CN209415832U CN201821500450.7U CN201821500450U CN209415832U CN 209415832 U CN209415832 U CN 209415832U CN 201821500450 U CN201821500450 U CN 201821500450U CN 209415832 U CN209415832 U CN 209415832U
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China
Prior art keywords
pulse
water inlet
heat pump
pump unit
pulse flowmeter
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CN201821500450.7U
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Chinese (zh)
Inventor
雷朋飞
吴东华
刘远辉
高翔
刘辉
吴思朗
叶景发
朱晓广
廖立元
刘志力
梁华锋
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Guangdong PHNIX Eco Energy Solution Ltd
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Guangdong PHNIX Eco Energy Solution Ltd
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Priority to CN201821500450.7U priority Critical patent/CN209415832U/en
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Abstract

The utility model relates to a kind of heat pump unit, the pulse signal including heat exchange unit, compressor, pulse flowmeter and reception pulse flowmeter and the controller for controlling the compressor;The compressor is connect with the heat exchange unit;The heat exchange unit includes circulation water inlet pipe, recycling outlet and by-pass line, and the circulation water inlet pipe, recycling outlet are connect with the heat exchange unit;One end of the by-pass line is connected to circulation water inlet pipe, and the other end is connected to recycling outlet, and the pulse flowmeter is serially connected on the by-pass line.By the way that pulse flowmeter is installed on by-pass line, reduce operation water resistance, so that too large impact will not be caused to pulse flowmeter, the service life of pulse flowmeter can effectively be extended, guarantee water flow detection control, and the differential water pressures driving pulse flowmeter of circulation water inlet pipe and recycling outlet generates pulse, to provide accurate data to water flow is accurately controlled by exporting different pulse signals.

Description

Heat pump unit and heat pump unit with pulse flowmeter
Technical field
The utility model relates to technical field of heat pumps more particularly to a kind of heat pump unit and with the heat of pulse flowmeter Pump assembly.
Background technique
Currently, the water route flow control of heat pump unit is usually carried out by water flow switch, when water flow is greater than target flow When, heat pump unit keeps operating normally, and when water flow is less than target flow, heat pump unit report water flow switch failure stops its fortune Row.Water flow amount control method in this way although can guarantee the safe operation of system, but still has the following problems: water flow switch is logical It is normally placed on water inlet pipe, can there is a problem of that system operation water resistance is big, and water flow switch is arranged on system superintendent road, because of warp It is often impacted by great deal running water, it is easy to cause water flow switch to damage, to affect water flow detection control;Pass through water flow switch Simple control not only cannot achieve the accurate control of flow, also can not accurately calculate unit practical capacity.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of heat pump unit, which, which can greatly reduce, is System operation water resistance guarantees water flow detection control, and can accurately control.
The technical solution of the utility model are as follows:
A kind of heat pump unit, including heat exchange unit, compressor, pulse flowmeter and the pulse letter for receiving pulse flowmeter Number and control the controller of the compressor;The compressor is connect with the heat exchange unit;
The heat exchange unit includes circulation water inlet pipe, recycling outlet and by-pass line, the circulation water inlet pipe, circulation Outlet pipe is connect with the heat exchange unit;One end of the by-pass line is connected to circulation water inlet pipe, and the other end, which is connected to, to follow Ring outlet pipe, the pulse flowmeter are serially connected on the by-pass line.
Above-mentioned heat pump unit, since compressor is connect with heat exchange unit, circulation water inlet pipe, cyclic water outlet pipeline with it is described Heat exchange unit connection, further includes the controller for receiving the pulse signal of pulse flowmeter and controlling the compressor, so pulse Pulse signal transmission to controller, is controlled compressor by controller by flowmeter, the service ability of unit can be improved, and can pass through Pulse flowmeter carrys out detection flows, can accurately detect heat pump unit flow in real time, realizes the accurate calculating of unit capacity, in turn Judge whether to need to carry out water flow protection, reduces the failure rate of unit.One end of by-pass line is connected to circulation water inlet pipe, another End is connected to recycling outlet, and pulse flowmeter is serially connected on the by-pass line, since pulse flowmeter is installed on bypass pipe On road, so will not be impacted to the main flow conduit of circulation water inlet pipe or recycling outlet, operation water resistance is greatly reduced, is made Too large impact will not be caused to pulse flowmeter by obtaining, and can effectively be extended the service life of pulse flowmeter, be guaranteed water flow detection control System;And circulation water inlet pipe and recycling outlet be simultaneously to by-pass line water flowing, utilizes circulation water inlet pipe and recycling outlet Differential water pressures driving pulse flowmeter generates pulse, to provide standard to water flow is accurately controlled by exporting different pulse signals Exact figures evidence.
The pulse flowmeter further includes shell in one of the embodiments, be provided on the shell water inlet and Water outlet;The by-pass line includes the first bypass pipe and the second bypass pipe, one end and the circulation of first bypass pipe Water inlet pipe connection, the other end are concatenated with the water inlet;One end of second bypass pipe is connect with the recycling outlet, separately One end is concatenated with the water outlet.
The pulse flowmeter includes the impeller and power supply line along water (flow) direction rotation in one of the embodiments, The pulse flowmeter is electrically connected by the power supply line and the controller, and the pulse flowmeter is intake by the circulation The differential water pressures of pipe and recycling outlet drive the wheel rotation to generate pulse.
The first installation cavity and the second installation cavity are provided in the shell in one of the embodiments,;It is described Impeller is set to the first installation cavity, is provided with flow sensor in the second installation cavity body.
The pulse flowmeter further includes shaft in one of the embodiments, and the shaft is pacified through described first It behave affectedly body, the second installation cavity, described shaft one end is connected to impeller, and the other end is connected to the flow sensor.
The pulse flowmeter further includes temperature sensor in one of the embodiments,.
The power supply line includes power positive line, signal output line, ground wire and temperature letter in one of the embodiments, Number line, the power positive line, signal output line, ground wire and temperature signal line are electrically connected with the controller.
The shaft is enamel axis in one of the embodiments,.
The shell includes pedestal in one of the embodiments, and the inlet and outlet are all set in the bottom On seat.
The first installation cavity is set in the pedestal in one of the embodiments, the water inlet and water outlet Mouth is communicated with the first installation cavity.
The shell further includes middle part lid in one of the embodiments, and the pedestal is additionally provided with and first peace The opening that body of behaveing affectedly communicates, the middle part lid are installed in the opening, one end insertion the first installation cavity of the shaft, separately One end insertion middle part lid;The impeller, which penetrates in the shaft, to be installed in the first installation cavity body.
The shell further includes the end cap for being set to the middle part and covering, the middle part lid in one of the embodiments, The second installation cavity is formed between the end cap;The end cap includes the circuit board being set in the end cap, the power supply One end of line is connect with circuit board, and the other end is connect with the controller.
It in one of the embodiments, further include installation pedestal, the heat exchange unit is fixed in the installation pedestal.
A kind of heat pump unit with pulse flowmeter, including heat exchange unit and pulse flowmeter;The heat exchange unit Including circulation water inlet pipe, recycling outlet and by-pass line, the circulation water inlet pipe, recycling outlet are single with the heat exchange Member connection;One end of the by-pass line is connected to circulation water inlet pipe, and the other end is connected to recycling outlet, the pulse flow Meter is serially connected on the by-pass line.
The above-mentioned heat pump unit with pulse flowmeter, circulation water inlet pipe, recycling outlet are connect with heat exchange unit, can Improve the exchange capability of heat of heat exchange unit;One end of by-pass line is connected to circulation water inlet pipe, and the other end is connected to recycling outlet, Pulse flowmeter is serially connected on the by-pass line, so that circulation water inlet pipe and recycling outlet be simultaneously to by-pass line water flowing, Pulse is generated using the differential water pressures driving pulse flowmeter of circulation water inlet pipe and recycling outlet, operation water resistance can be substantially reduced, The impact to pulse flowmeter is reduced, ensure that the accurate detection of pulse flowmeter, and extend the service life of pulse flowmeter.
The pulse flowmeter is provided with inlet and outlet in one of the embodiments,;The by-pass line packet The first bypass pipe and the second bypass pipe are included, one end of first bypass pipe is connect with the circulation water inlet pipe, the other end and institute State water inlet concatenation;One end of second bypass pipe is connect with the recycling outlet, and the other end is concatenated with the water outlet.
Detailed description of the invention
Fig. 1 is heat pump unit structural schematic diagram described in an embodiment of the present invention;
Fig. 2 is pulse flowmeter structural schematic diagram described in an embodiment of the present invention;
Fig. 3 is pulse flowmeter structural blast schematic diagram described in an embodiment of the present invention;
Description of symbols:
100, heat exchange unit, 110, circulation water inlet pipe, 120, recycling outlet, 130, by-pass line, the 131, first bypass Pipe, the 132, second bypass pipe, 200, pulse flowmeter, 210, shell, 211, water inlet, 212, water outlet, the 213, first installation Cavity, 214, pedestal, 220, impeller, 230, power supply line, 240, shaft, 250, middle part lid, 260, end cap, 300, installation pedestal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.
It is shown in Figure 1, it is a kind of preferred embodiment of heat pump unit, including heat exchange unit 100, compressor, pulse The pulse signal of flowmeter 200 and reception pulse flowmeter 200 and the controller for controlling the compressor;The compressor with The heat exchange unit 100 connects;In the present embodiment, compressor is connect with heat exchange unit 100 by pipeline.
The heat exchange unit 100 includes circulation water inlet pipe 110, recycling outlet 120 and by-pass line 130, described to follow Ring water inlet pipe 110, recycling outlet 120 are connect with the heat exchange unit 100, pass through circulation water inlet pipe 110 and cyclic water outlet Pipe 120 is installed on heat exchange unit 100, can accelerate to exchange heat, and improves unit capacity;One end of the by-pass line 130 is connected to Circulation water inlet pipe 110, the other end are connected to recycling outlet 120, and the pulse flowmeter 200 is serially connected with the by-pass line On 130.
The heat pump unit of the present embodiment, since compressor is connect with heat exchange unit 100, circulation water inlet pipe 110, cyclic water outlet Pipe 120 is connect with the heat exchange unit 100, further includes receiving the pulse signal of pulse flowmeter 200 and controlling the compression The controller of machine, thus pulse flowmeter 200 by pulse signal transmission to controller, compressor is controlled by controller, can be improved The service ability of unit, and heat pump unit flow can be accurately detected in real time by pulse flowmeter 200 come detection flows, It realizes the accurate calculating of unit capacity, and then judges whether to need to carry out water flow protection, reduce the failure rate of unit.By-pass line 130 one end is connected to circulation water inlet pipe 110, and the other end is connected to recycling outlet 130, and pulse flowmeter 200 is serially connected with institute It states on by-pass line 130, since pulse flowmeter 200 is installed on by-pass line 130, so will not be to circulation water inlet pipe 110 Or the main flow conduit of recycling outlet 120 impacts, and greatly reduces operation water resistance, so that will not be to pulse flowmeter 200 Too large impact is caused, can effectively extend the service life of pulse flowmeter 200, guarantee water flow detection control.And water is from circulation The water inlet of water inlet pipe 110 is come in, and a part reaches recycling outlet 120 after heat exchanger 100, and a part is through by-pass line 130 and pulse flowmeter 200 reach recycling outlet (probably account for total inflow 3%), using from the by-pass line 130 The pressure-driven pulse flowmeter 200 of the generation of the water of entrance generates pulse, thus by exporting subject to different pulse signals Really control water flow provides accurate data.
Shown in Figure 2, further, the pulse flowmeter 200 further includes shell 210, is arranged on the shell 210 There are water inlet 211 and water outlet 212;The by-pass line 130 includes the first bypass pipe 131 and the second bypass pipe 132, and described the One end of bypass line 131 is connect with the circulation water inlet pipe 110, and the other end is concatenated with the water inlet 211;By in the of described second One end of siphunculus 132 is connect with the recycling outlet 120, and the other end is concatenated with the water outlet 211.By the first bypass pipe 131 one end is connect with circulation water inlet pipe 110, and one end of the second bypass pipe 132 is connect with recycling outlet 120, then pulse Flowmeter 200 is concatenated with the other end of the first bypass pipe 131 by water inlet 211, water outlet 212 and the second bypass pipe 132 Other end concatenation, is installed on by-pass line 130, and installation is extremely convenient, so that bringing conveniently to Inspection and maintenance in the future.
Referring to described in Fig. 3, pulse flowmeter 200 described in the present embodiment include along water (flow) direction rotation impeller 220 with And power supply line 230, the pulse flowmeter 200 are electrically connected by the power supply line 230 and the controller, the pulse flow Meter 200 passes through the rotation generation pulse of impeller 220 described in the water-driven that enters from bypass pipe 130.And power supply line 230 and controller electricity Property connection, can be by pulse signal real-time Transmission to controller.In this way, controller can obtain water flow according to pulse signal, from And heat pump unit ability is obtained by water flow, wherein the general heat pump unit ability Q that calculates is by the way that " (t goes out-t to Q=1.163* Into) * flow " formula calculates, by the pulse flowmeter 200 of bypass setting come detection flows, heat can be accurately detected in real time Pump assembly flow, to realize the accurate calculating of unit capacity.
In the present embodiment, the shell 210 includes pedestal 214, and the water inlet 211 and water outlet 212 are all set in On the pedestal 214.
Further, the first installation cavity 213 and the second installation cavity are provided in the shell 210;The impeller 220 are set to the first installation cavity 213, are provided with flow sensor in the second installation cavity body.By by impeller 220 It is installed on the first installation cavity 213, flow sensor is provided in the second installation cavity body, can effectively give pulse signal transmission Flow sensor, and flow sensor can be isolated to the first installation cavity 213 of water flow, prevent the corruption of water flow sensor Erosion, extends the service life of flow sensor.
Wherein, the first installation cavity 213 is set in the pedestal 214, the water inlet 211 and water outlet 212 Communicated with the first installation cavity 213.Since water inlet 211 and water outlet 212 are communicated with the first installation cavity 213, So the water come in from circulation water inlet pipe 110 can install cavity 213 and the second bypass by the first bypass pipe 131, first Pipe 132 reach recycling outlet 120, and drive be located at driving be located at first installation cavity 213 in impeller 220 rotation to Generate pulse.
Further, the pulse flowmeter 200 further includes shaft 240, and the shaft 240 is installed through described first Cavity 213, second installs cavity, and described 240 one end of shaft is connected to impeller 220, and the other end is connected to the flow sensor. Impeller 220 can be rotated the pulse signal transmission generated to flow sensor by shaft 240, then be transmitted through power supply line 230 To controller, structure is simple, can will export different pulse signals to accurately controlling water flow and provide accurate data.The present embodiment Described in shaft 240 be enamel axis.Since enamel axis surface is smooth and has corrosion resistance, so being compared using enamel axis 240 The service life of pulse flowmeter can be extended in traditional stainless steel shaft.
In the present embodiment, the shell 210 further includes middle part lid 250, and the pedestal 214 is additionally provided with and described first The opening that installation cavity 213 communicates, the middle part lid 250 are installed in the opening, one end insertion first of the shaft 240 Cavity 213, other end insertion middle part lid 250 are installed;The impeller 220, which penetrates in the shaft 240, is installed on first peace It behave affectedly in body 213.Since pedestal 214 is additionally provided with the opening communicated with the first installation cavity 213,250 construction opening of middle part lid On, one end insertion the first installation cavity 213 of shaft 240, other end insertion middle part lid 250;Impeller 220 penetrates in shaft 240 It is installed in the first installation cavity 213, so opening middle part lid 250 when needing to safeguard, is taken impeller 220 by being open Out, the fouling that easy cleaning first installs cavity 213 and impeller 220 improves service life so that maintenance is extremely convenient.
Further, the shell 210 further includes the end cap 260 being set on the middle part lid 250, the middle part lid The second installation cavity is formed between 250 and the end cap 260;The end cap 260 includes the circuit being set in the end cap 260 One end of plate, the power supply line 230 is connect with circuit board, and the other end is connect with the controller.Pass through middle part lid 250 and end cap The second installation cavity is formed between 260, so that the second installation cavity physical efficiency effectively transmits a signal to the circuit board in end cap 260, It is transferred to controller by power supply line 230, the structure is simple, effectively transmitted signal.
Wherein, the pulse flowmeter 200 further includes temperature sensor.Temperature sensor is arranged in pulse flowmeter In 200, water route temperature can be accurately perceived, heat pump system bursting by freezing is prevented.
In the present embodiment, the power supply line 230 includes power positive line, signal output line, ground wire and temperature signal Line, the power positive line, signal output line, ground wire and temperature signal line are electrically connected with the controller.Passing through will Power positive line, signal output line, ground wire and temperature signal line with controller be electrically connected, and the temperature sensor with Temperature signal line connection, thus in the precise information real-time Transmission controller that can be will test, more accurate judgement can be made, is dropped The generation of low failure.
It optionally, further include installation pedestal 300, the heat exchange unit 100 is fixed in the installation pedestal 300.Pass through Installation pedestal 300 fixes heat exchange unit 100, may make water flow that can stablize the flowing in by-pass line 130, to pass through stream of pulses Meter 200 carrys out detection flows, and accurate detection heat pump unit flow, realizes the accurate calculating of unit capacity in real time.
One embodiment additionally provides a kind of heat pump unit with pulse flowmeter, including heat exchange unit 100 and pulse Flowmeter 200;The heat exchange unit 100 includes circulation water inlet pipe 110, recycling outlet 120 and by-pass line 130, described Circulation water inlet pipe 110, recycling outlet 120 are connect with the heat exchange unit 100;One end of the by-pass line 130 connects In circulation water inlet pipe 110, the other end is connected to recycling outlet 120, and the pulse flowmeter 200 is serially connected with the by-pass line On 130.
The heat pump unit with pulse flowmeter of the present embodiment, circulation water inlet pipe 110, recycling outlet 120 with change Hot cell 100 connects, and the exchange capability of heat of heat exchange unit 100 can be improved;One end of by-pass line 130 is connected to circulation water inlet pipe 110, the other end is connected to recycling outlet 120, and pulse flowmeter 200 is serially connected on the by-pass line 130, to pass through drive The impeller of artery current meter 200 generates pulse, can substantially reduce operation water resistance, reduces the impact to pulse flowmeter 200, protects The accurate detection of pulse flowmeter 200 has been demonstrate,proved, and has extended the service life of pulse flowmeter 200.
Further, the pulse flowmeter 200 is provided with water inlet 211 and water outlet 212;The by-pass line 130 Including the first bypass pipe 131 and the second bypass pipe 132, one end of first bypass pipe 131 and the circulation water inlet pipe 110 connect It connects, the other end is concatenated with the water inlet 211;One end of second bypass pipe 132 is connect with the recycling outlet 120, The other end is concatenated with the water outlet 212.Circulation water inlet pipe is separately connected by the first bypass pipe 131 and the second bypass pipe 132 110 and recycling outlet 120, then contact with the water inlet 211 of pulse flowmeter 200 and water outlet 212, it is easy for installation, and Operation water resistance is effectively reduced, improves the accuracy of water flow detection.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become Shape is also considered as the protection scope of the utility model.

Claims (15)

1. a kind of heat pump unit, which is characterized in that including heat exchange unit, compressor, pulse flowmeter and receive pulse flow The pulse signal of meter and the controller for controlling the compressor;The compressor is connect with the heat exchange unit;
The heat exchange unit includes circulation water inlet pipe, recycling outlet and by-pass line, the circulation water inlet pipe, cyclic water outlet The connection of heat exchange unit described in Guan Junyu;One end of the by-pass line is connected to circulation water inlet pipe, and the other end, which is connected to, to be recycled Water pipe, the pulse flowmeter are serially connected on the by-pass line.
2. heat pump unit according to claim 1, which is characterized in that the pulse flowmeter further includes shell, the shell Inlet and outlet are provided on body;The by-pass line includes the first bypass pipe and the second bypass pipe, first bypass One end of pipe is connect with the circulation water inlet pipe, and the other end is concatenated with the water inlet;One end of second bypass pipe and institute Recycling outlet connection is stated, the other end is concatenated with the water outlet.
3. heat pump unit according to claim 2, which is characterized in that the pulse flowmeter includes impeller and power supply Line, the pulse flowmeter are electrically connected by the power supply line and the controller, and the pulse flowmeter passes through the circulation The differential water pressures of water inlet pipe and recycling outlet drive the wheel rotation to generate pulse.
4. heat pump unit according to claim 3, which is characterized in that be provided in the shell the first installation cavity and Second installation cavity;The impeller is set to the first installation cavity, is provided with flow sensing in the second installation cavity body Device.
5. heat pump unit according to claim 4, which is characterized in that the pulse flowmeter further includes shaft, and described turn Axis is connected to impeller through the first installation cavity, the second installation cavity, described shaft one end, and the other end is connected to described Flow sensor.
6. heat pump unit according to claim 5, which is characterized in that the pulse flowmeter further includes temperature sensor, The temperature sensor is connect with the power supply line.
7. heat pump unit according to claim 6, which is characterized in that the power supply line includes that power positive line, signal are defeated Outlet, ground wire and temperature signal line, the power positive line, signal output line, ground wire and temperature signal line with it is described Controller is electrically connected;The temperature sensor is connect with the temperature signal line.
8. heat pump unit according to claim 7, which is characterized in that the shaft is enamel axis.
9. heat pump unit according to claim 8, which is characterized in that the shell includes pedestal, the water inlet and go out The mouth of a river is all arranged on the base.
10. heat pump unit according to claim 9, which is characterized in that the first installation cavity is set to the pedestal Interior, the inlet and outlet are communicated with the first installation cavity.
11. heat pump unit according to claim 10, which is characterized in that the shell further includes middle part lid, the pedestal It is additionally provided with the opening communicated with the first installation cavity, the middle part lid is installed in the opening, and the one of the shaft End insertion the first installation cavity, other end insertion middle part lid;The impeller, which penetrates in the shaft, is installed on first installation In cavity.
12. heat pump unit according to claim 11, which is characterized in that the shell further includes being set to the middle part lid On end cap, between the middle part lid and the end cap formed second installation cavity;The end cap includes being set to the end cap One end of interior circuit board, the power supply line is connect with circuit board, and the other end is connect with the controller.
13. heat pump unit according to claim 12, which is characterized in that further include installation pedestal, the heat exchange unit is solid Due in the installation pedestal.
14. a kind of heat pump unit with pulse flowmeter, which is characterized in that including heat exchange unit and pulse flowmeter;Institute Stating heat exchange unit includes circulation water inlet pipe, recycling outlet and by-pass line, the circulation water inlet pipe, recycling outlet with The heat exchange unit connection;One end of the by-pass line is connected to circulation water inlet pipe, and the other end is connected to recycling outlet, institute Pulse flowmeter is stated to be serially connected on the by-pass line.
15. the heat pump unit according to claim 14 with pulse flowmeter, which is characterized in that the pulse flowmeter It is provided with inlet and outlet;The by-pass line includes the first bypass pipe and the second bypass pipe, first bypass pipe One end is connect with the circulation water inlet pipe, and the other end is concatenated with the water inlet;One end of second bypass pipe is followed with described The connection of ring outlet pipe, the other end are concatenated with the water outlet.
CN201821500450.7U 2018-09-13 2018-09-13 Heat pump unit and heat pump unit with pulse flowmeter Active CN209415832U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821500450.7U CN209415832U (en) 2018-09-13 2018-09-13 Heat pump unit and heat pump unit with pulse flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821500450.7U CN209415832U (en) 2018-09-13 2018-09-13 Heat pump unit and heat pump unit with pulse flowmeter

Publications (1)

Publication Number Publication Date
CN209415832U true CN209415832U (en) 2019-09-20

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Application Number Title Priority Date Filing Date
CN201821500450.7U Active CN209415832U (en) 2018-09-13 2018-09-13 Heat pump unit and heat pump unit with pulse flowmeter

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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