CN104633929B - Teat pump boiler and its control method - Google Patents
Teat pump boiler and its control method Download PDFInfo
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- CN104633929B CN104633929B CN201510067738.4A CN201510067738A CN104633929B CN 104633929 B CN104633929 B CN 104633929B CN 201510067738 A CN201510067738 A CN 201510067738A CN 104633929 B CN104633929 B CN 104633929B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003507 refrigerant Substances 0.000 claims abstract description 171
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims description 83
- 238000001514 detection method Methods 0.000 claims description 35
- 238000007689 inspection Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 21
- 238000010025 steaming Methods 0.000 description 7
- 230000032258 transport Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a kind of Teat pump boiler and its control method, including：Water tank, the First Heat Exchanger being arranged on the water tank and the second heat exchanger；Compressor, evaporator, the First Heat Exchanger and second heat exchanger are connected between the compressor and the evaporator；The First Heat Exchanger connects the first output pipe, and second heat exchanger connects the second output pipe, and first output pipe is connected by the 3rd output pipe with second output pipe with the evaporator；First pressure adjusting means, on first output pipe；Second pressure adjusting means, on second output pipe or the 3rd output pipe；Control valve, control refrigerant enters the refrigerant input of the First Heat Exchanger and/or second heat exchanger.Teat pump boiler of the present invention and its control method, can all the time be effectively ensured the internal circulating load of refrigerant in Teat pump boiler, make it have heat exchange efficiency higher.
Description
Technical field
The present invention relates to field of water heaters, more particularly to a kind of Teat pump boiler and its control method.
Background technology
At present in industry, most of Teat pump boilers can only be heated to the water in whole water tank.But aforesaid way
Being only applicable to user need to use the situation of a large amount of hot water, when user is changed using a small amount of water or user number, still
Whole box water is heated, period of reservation of number can be caused long, waste the energy, increase customer using cost the problems such as, therefore
The demand of the various water consumptions of user can not be flexibly met.
For this Chinese patent CN 201310075725.2 gives a kind of implementation.Specifically, above-mentioned patent gives
A kind of heating system and the Teat pump boiler with heating system.The heating system mainly includes：First heating branch road, second
Heating branch road.When water consumption is larger, the first heating branch road of the Teat pump boiler and the second heating branch road work simultaneously, right
Water in whole water tank is heated.When water consumption is smaller, the Teat pump boiler can select half courage heating mode, only institute
The work of the first heating branch road is stated, the second heating branch road does not work, so as to be heated to part water in water tank.Actually used
When, user can be cut according to water consumption and its difference of user number under full courage heating mode and half courage heating mode
Change.But Teat pump boiler accumulates in the refrigerant in the second heating branch road when switching to half courage heating mode by full courage heating mode
Cannot be effectively used under half courage heating mode, the coolant quantity circulated so as to cause whole machine can be used for greatly reduces, and then
Reduce the heat exchange efficiency of whole Teat pump boiler.In addition in general, the Teat pump boiler is in half courage mode of operation,
The refrigerant of participation circulation can be leaked into constantly in the second heating branch road, also result in the coolant quantity reduction for participating in circulation, changed
Thermal efficiency reduction.
The content of the invention
It is an object of the invention to provide a kind of Teat pump boiler and its control method, heat-pump hot-water can be all the time effectively ensured
The internal circulating load of refrigerant in device, makes it have heat exchange efficiency higher.
Above-mentioned purpose of the invention can be realized using following technical proposal：
A kind of Teat pump boiler, the Teat pump boiler includes：Water tank, be arranged on First Heat Exchanger on the water tank and
Second heat exchanger；Compressor, evaporator, the First Heat Exchanger and second heat exchanger are connected to the compressor and described
Between evaporator, the First Heat Exchanger can isolated operation；The First Heat Exchanger connects the first output pipe, and described second changes
Hot device connects the second output pipe, first output pipe and second output pipe by the 3rd output pipe with it is described
Evaporator is connected；First pressure adjusting means, on first output pipe；Second pressure adjusting means, located at described
On second output pipe or the 3rd output pipe；Control valve, control refrigerant enters the First Heat Exchanger and/or described the
The refrigerant input of two heat exchangers；
During the First Heat Exchanger isolated operation, the control valve control refrigerant only enters the First Heat Exchanger and is input into
End；The second pressure adjusting means controls the refrigerant in second heat exchanger to be flowed out from second heat exchanger.
Further, the Teat pump boiler also include for obtain first pressure information in second heat exchanger the
One detection means, the second detection device for obtaining the evaporator refrigerant inlet end second pressure information.
Further, first detection means and/or the second detection device are pressure sensor.
Further, first detection means and/or the second detection device are temperature sensor.
Further, also including the temperature sensor being arranged on the water tank, with the second heat exchanger described in indirect gain
Temperature.
Further, the First Heat Exchanger is located on second heat exchanger.
Further, the First Heat Exchanger, the second heat exchanger are connected to the compressor and institute by way of parallel connection
State between evaporator.
Further, the second pressure adjusting means is on second output pipe.
Further, the control valve is located at the input of second heat exchanger.
Further, the First Heat Exchanger, the second heat exchanger are connected to the compressor and steaming by way of series connection
Between hair device.
Further, the second pressure adjusting means is located at second output pipe or the 3rd output pipe
On.
Further, it is additionally provided with check valve on second output pipe.
Further, the first pressure adjusting means is electric expansion valve, and the second pressure adjusting means is electronics
Expansion valve or capillary or heating power expansion valve.
A kind of control method of Teat pump boiler, including：
During the second heat exchanger isolated operation, the control valve control refrigerant only enters second heat exchanger and is input into
End；
The First Heat Exchanger and second heat exchanger run simultaneously when, the control valve control refrigerant enters institute simultaneously
State First Heat Exchanger and second heat exchanger.
Further, during the First Heat Exchanger isolated operation, the first pressure adjusting means and/or evaporator are adjusted
Rotation speed of fan, make the second pressure adjusting means inlet port pressure more than the second pressure adjusting means export side pressure
Power.
Further, the rotation speed of fan of the first pressure adjusting means and/or evaporator is adjusted, makes the evaporator cold
The refrigerant pressure of matchmaker's input is less than the refrigerant pressure in second heat exchanger.
Further, the Teat pump boiler also include for obtain first pressure information in second heat exchanger the
One detection means, the second detection device for obtaining the evaporator refrigerant inlet end second pressure information, according to described
One pressure information and second pressure information, adjust the rotation speed of fan of the first pressure adjusting means and/or evaporator, make described
First pressure information is more than the second pressure information.
Further, methods described also includes：If the first pressure information is less than or equal to the second pressure information
When, then adjust the first pressure adjusting means and reduce flow and/or reduce the rotation speed of fan of the evaporator.
Further, the rotation speed of fan of the first pressure adjusting means and/or evaporator is adjusted, makes the second pressure
Adjusting means input end pressure is more than second pressure adjusting means output end pressure and preset value sum.
The features and advantages of the invention are：A kind of Teat pump boiler and its control method are provided, are had relative to existing
For the heating of half courage, the Teat pump boiler of full courage heating handoff functionality, when needing to be worked in half courage heating mode, positioned at described
The controller of the second heat exchanger refrigerant input is closed, the First Heat Exchanger isolated operation, described by regulation
The rotation speed of fan of first pressure adjusting means and/or evaporator, makes the second pressure adjusting means inlet port pressure be more than institute
The refrigerant stated in second pressure adjusting means outlet pressures, and then control second heat exchanger can be from second heat exchanger
Outflow, into whole heat pump heating system.That is can make to lodge in second heat exchanger or leak into second
Refrigerant in heat exchanger can be used effectively, and participate in the thermal cycle of half courage heating mode such that it is able to heat is effectively ensured all the time
The internal circulating load of refrigerant in pump water heater, makes it have heat exchange efficiency higher.
Brief description of the drawings
Fig. 1 is the system diagram of Teat pump boiler of the present invention；
Fig. 2 is Teat pump boiler of the present invention first parallel way system diagram；
Fig. 3 is Teat pump boiler of the present invention second parallel way system diagram；
Fig. 4 is the parallel way system diagram of Teat pump boiler of the present invention 3rd；
Fig. 5 is the parallel way system diagram of Teat pump boiler of the present invention 4th；
Fig. 6 is the parallel way system diagram of Teat pump boiler of the present invention 5th；
Fig. 7 is the parallel way system diagram of Teat pump boiler of the present invention 6th；
Fig. 8 is Teat pump boiler of the present invention first series system system diagram；
Fig. 9 is Teat pump boiler of the present invention second series system figure；
Figure 10 is the series system system diagram of Teat pump boiler of the present invention 3rd；
Figure 11 is the series system system diagram of Teat pump boiler of the present invention 4th.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme is elaborated, it should be understood that these realities
Example is applied to be only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, people in the art
Modification of the member to the various equivalent form of values of the invention is each fallen within the application appended claims limited range.
The present invention provides a kind of Teat pump boiler and its control method, and refrigerant in Teat pump boiler can be all the time effectively ensured
Internal circulating load, make it have heat exchange efficiency higher.
Fig. 1 is referred to, is the system diagram of Teat pump boiler of the present invention.Teat pump boiler of the present invention includes：Water tank 1,
It is arranged on the heat exchanger 12 of First Heat Exchanger 11 and second on the water tank 1；Compressor 2, evaporator 3, the First Heat Exchanger
11 and second heat exchanger 12 be connected between the compressor 2 and the evaporator 3, the First Heat Exchanger 11 can be independent
Operation；The First Heat Exchanger 11 connects the first output pipe 13, and second heat exchanger 12 connects the second output pipe 14, institute
The first output pipe 13 is stated to be connected with the evaporator 3 by the 3rd output pipe 15 with second output pipe 14；First
Pressure-regulating device 4, on first output pipe 13；Second pressure adjusting means 5, located at second output pipe
On 14；Control valve 6, control refrigerant enters the refrigerant input of the First Heat Exchanger 11 and/or second heat exchanger 12.
The First Heat Exchanger 11, the second heat exchanger 12 can be located at the inside of the water tank 1, such as described First Heat Exchanger
11st, the second heat exchanger 12 is arranged on the inside of the water tank 1 from top to bottom；The First Heat Exchanger 11, the second heat exchanger 12
Can be arranged on the outer wall of the water tank 1.
The first pressure adjusting means 4 can be electric expansion valve or capillary or heating power expansion valve, the second pressure
Adjusting means 5 can be electric expansion valve or capillary or heating power expansion valve.The control valve 6 can be magnetic valve.
The Teat pump boiler also includes the first detection for obtaining first pressure information in second heat exchanger 12
Device 120, the second detection device 30 for obtaining the refrigerant inlet end second pressure information of the evaporator 3.First inspection
Survey device 120 and/or the second detection device 30 is pressure sensor or can be temperature sensor.The pressure information can
Think pressure value or temperature value.
For example when first detection means 120, the second detection device 30 are pressure sensor, and for half courage is heated
During pattern, according to the first pressure information and second pressure information, can adjust the first pressure adjusting means 4 and/or steam
The rotation speed of fan of device 3 is sent out, the first pressure information is more than the second pressure information.If specifically, the first pressure
When information is less than or equal to the second pressure information, then adjusts the first pressure adjusting means 4 and reduce flow and/or reduction
The rotation speed of fan of the evaporator 3, makes the refrigerant pressure of the refrigerant input of the evaporator 3 less than in second heat exchanger 12
Refrigerant pressure, and then control the refrigerant in second heat exchanger 12 can be flowed out from second heat exchanger 12, into whole
Heat pump heating system.
For example when first detection means 120, the second detection device 30 are temperature sensor, first inspection
Survey device 120 to be arranged on the water tank 1, with the temperature of the second heat exchanger 12 described in indirect gain.The second detection device
30 are arranged on the position of evaporator 3, for obtaining the temperature in the evaporator 3, because temperature and pressure have correspondingly
Proportional relation, thus the temperature can direct reaction go out the size of pressure.Under half courage heating mode, according to the described first inspection
The temperature that device 120, the second detection device 30 are obtained is surveyed, the first pressure adjusting means 4 and/or evaporator is can adjust
3 rotation speed of fan, makes the first pressure information be more than the second pressure information.If specifically, the first pressure information
During less than or equal to the second pressure information, then adjust the first pressure adjusting means 4 and reduce flow and/or reduce described
The rotation speed of fan of evaporator 3, makes the refrigerant pressure of the refrigerant input of the evaporator 3 less than cold in second heat exchanger 12
Refrigerant in matchmaker's pressure, and then control second heat exchanger 12 can flow out from second heat exchanger 12, into whole heat pump
Heating system.
When the First Heat Exchanger 11, the second heat exchanger 12 are arranged on the outer wall of the water tank 1, the heat-pump hot-water
Device also includes the temperature sensor being arranged on the water tank 1, and the temperature sensor is used to obtain the temperature of the water tank 1,
With the temperature of the second heat exchanger 12 described in indirect gain.Because temperature and pressure have corresponding relation, therefore, it is possible to reflect the
Pressure information at two heat exchangers 12.
When actually used, if the Teat pump boiler is needed in the work of half courage heating mode, first heat exchange may be selected
The isolated operation of device 11, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is closed, the control
The control refrigerant of valve processed 6 only enters the input A of the First Heat Exchanger 11；Adjust the first pressure adjusting means 4 and/or evaporation
The rotation speed of fan of device 3, makes the inlet port pressure of second pressure adjusting means 5 be exported more than the second pressure adjusting means 5
Refrigerant in end pressure, and then control second heat exchanger 12 can flow out from second heat exchanger 12, into whole heat pump
Heating system.That is the refrigerant for lodging in second heat exchanger 12 or leaking into the second heat exchanger 12 can be made
Can be used effectively, participate in the thermal cycle of half courage heating mode such that it is able to refrigerant in Teat pump boiler is effectively ensured all the time
Internal circulating load, make it have heat exchange efficiency higher.
The Teat pump boiler needs, when half courage heating mode works, also to may be selected to make second heat exchanger 12 independent
Operation, open mode, the first pressure regulation dress are in positioned at the controller 6 of the refrigerant input B of second heat exchanger 12
It can be electric expansion valve to put 4, be closed.The control valve 6 control refrigerant is only input into second heat exchanger 12
End B；The rotation speed of fan of the evaporator 3 is adjusted, makes the inlet port pressure of first pressure adjusting means 4 more than the described first pressure
Refrigerant in the outlet pressures of apparatus for adjusting force 4, and then the control First Heat Exchanger 11 can flow from the First Heat Exchanger 11
Go out, into whole heat pump heating system.That is can make to lodge in the First Heat Exchanger 11 or leak into first
Refrigerant in heat exchanger 11 can be used effectively, and participate in the thermal cycle of half courage heating mode such that it is able to be effectively ensured all the time
The internal circulating load of refrigerant in Teat pump boiler, makes it have heat exchange efficiency higher.
The Teat pump boiler is needed when full courage heating mode works, and the First Heat Exchanger 11 and described second exchanges heat
Device 12 runs simultaneously, and the control valve 6 control refrigerant enters the First Heat Exchanger 11 and second heat exchanger 12 simultaneously.
As shown in figure 1, being additionally provided with check valve 7 on second output pipe 14.The check valve 7 is prevented from from second
The refrigerant of outflow is flowed back in the second heat exchanger 12 by second output pipe 14 in heat exchanger 12.
Fig. 2 is referred to, is Teat pump boiler of the present invention first parallel way system diagram.The Teat pump boiler includes：Water
Case 1, is arranged on the heat exchanger 12 of First Heat Exchanger 11 and second on the water tank 1；Compressor 2, evaporator 3, described first changes
Hot device 11, the second heat exchanger 12 are connected between the compressor 2 and the evaporator 3 by way of parallel connection, and described first
Heat exchanger 11 can isolated operation；The First Heat Exchanger 11 connects the first output pipe 13, second heat exchanger 12 connection the
Two output pipes 14, first output pipe 13 passes through the 3rd output pipe 15 and the steaming with second output pipe 14
Hair device 3 is connected；First pressure adjusting means 4, on first output pipe 13；Second pressure adjusting means 5, located at institute
State on the second output pipe 14；Control valve 6, respectively positioned at the input A and second heat exchanger of the First Heat Exchanger 11
12 input B, to control refrigerant to enter the refrigerant input of the First Heat Exchanger 11 and second heat exchanger 12.
The first pressure adjusting means 4 is electric expansion valve, and the second pressure adjusting means 5 is electric expansion valve.
The Teat pump boiler needs, when half courage heating mode works, to may be selected to allow the First Heat Exchanger 11 individually to transport
OK, the controller 6 for being now placed in the refrigerant input A of the First Heat Exchanger 11 is in open mode, positioned at the described second heat exchange
The controller 6 of the refrigerant input B of device 12 is closed, and the control valve 6 control refrigerant only enters the First Heat Exchanger
11 input A；The rotation speed of fan of the first pressure adjusting means 4 and/or evaporator 3 is adjusted, the second pressure is adjusted
The inlet port pressure of device 5 is more than the outlet pressures of second pressure adjusting means 5, and then controls in second heat exchanger 12
Refrigerant can be flowed out from second heat exchanger 12, into whole heat pump heating system.That is can make to lodge in described
Second heat exchanger 12 or the refrigerant leaked into the second heat exchanger 12 can be used effectively, and participate in half courage heating mode
Thermal cycle such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, makes it have heat exchange efficiency higher.
The Teat pump boiler needs, when half courage heating mode works, also to may be selected to make second heat exchanger 12 independent
Operation, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is in open mode, is changed positioned at described first
The controller 6 of the refrigerant input A of hot device 11 is closed, and the control valve 6 control refrigerant only enters described second and exchanges heat
The input B of device 12；The rotation speed of fan of the second pressure adjusting means 5 and/or evaporator 3 is adjusted, the first pressure is adjusted
The inlet port pressure of regulating device 4 is more than the outlet pressures of first pressure adjusting means 4, and then controls the First Heat Exchanger 11
Interior refrigerant can flow out from the First Heat Exchanger 11, into whole heat pump heating system.That is can make to lodge in institute
The refrigerant stated First Heat Exchanger 11 or leak into First Heat Exchanger 11 can be used effectively, and participate in half courage heating mode
Thermal cycle such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, heat exchange efficiency higher is made it have.
When actually used, if the outlet pipe of the water tank 1 portion disposed thereon, the First Heat Exchanger 11 is located at described second
On heat exchanger 12, near the position of outlet pipe, when water consumption is smaller, the primary heater 11 isolated operation, institute are selected
State Teat pump boiler to be worked under half courage heating mode, the water after heating directly can flow out from upper half courage, be conducive to shortening and heat
Time, energy saving increases customer using cost.
Fig. 3 is referred to, is Teat pump boiler of the present invention second parallel way system diagram, it is with first parallel way not
It is with part：The second pressure adjusting means 5 is capillary；Check valve is additionally provided with other second output pipe 14
7.The check valve 7 is prevented from the refrigerant of the outflow from the second heat exchanger 12 and flows back to the by second output pipe 14
In two heat exchangers 12.
The Teat pump boiler needs, when half courage heating mode works, the First Heat Exchanger 11 to may be selected and individually transports
OK, the controller 6 positioned at the refrigerant input A of the First Heat Exchanger 11 is in open mode, positioned at second heat exchanger 12
The controller 6 of refrigerant input B is closed, and it is defeated that the control valve 6 control refrigerant only enters the First Heat Exchanger 11
Enter to hold A；The rotation speed of fan of the first pressure adjusting means 4 and/or evaporator 3 is adjusted, makes the second pressure adjusting means 5
Inlet port pressure is more than the outlet pressures of second pressure adjusting means 5, and then controls cold in second heat exchanger 12
Matchmaker can flow out from second heat exchanger 12, into whole heat pump heating system.That is can make to lodge in described second
Heat exchanger 12 or the refrigerant leaked into the second heat exchanger 12 can be used effectively, and the heat for participating in half courage heating mode is followed
Ring such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, makes it have heat exchange efficiency higher.
The Teat pump boiler needs, when half courage heating mode works, also to may be selected to make second heat exchanger 12 independent
Operation, the controller 6 positioned at the refrigerant input B of second heat exchanger 12 is in open mode, positioned at the First Heat Exchanger
The controller 6 of 11 refrigerant input A is closed, and the control valve 6 control refrigerant only enters second heat exchanger 12
Input B；The rotation speed of fan of the evaporator 3 is adjusted, makes the inlet port pressure of first pressure adjusting means 4 more than described the
Refrigerant in the outlet pressures of one pressure-regulating device 4, and then the control First Heat Exchanger 11 can be from the First Heat Exchanger
11 outflows, into whole heat pump heating system.That is can make to lodge in the First Heat Exchanger 11 or leak into
Refrigerant in First Heat Exchanger 11 can be used effectively, and participate in the thermal cycle of half courage heating mode such that it is able to effective all the time
Ensure the internal circulating load of refrigerant in Teat pump boiler, make it have heat exchange efficiency higher.
Fig. 4 is referred to, is the parallel way system diagram of Teat pump boiler of the present invention 3rd, it is with first parallel way not
It is with part：The first pressure adjusting means 4 is capillary；Check valve is additionally provided with other first output pipe 13
7.The check valve 7 is prevented from the refrigerant of the outflow in the First Heat Exchanger 11 and flows back to the by first output pipe 11
In one heat exchanger 11.
The Teat pump boiler needs, when half courage heating mode works, the First Heat Exchanger 11 to may be selected and individually transports
OK, the controller 6 positioned at the refrigerant input A of the First Heat Exchanger 11 is in open mode, positioned at second heat exchanger 12
The controller 6 of refrigerant input B is closed, and it is defeated that the control valve 6 control refrigerant only enters the First Heat Exchanger 11
Enter to hold A；The rotation speed of fan of the evaporator 3 is adjusted, the inlet port pressure of second pressure adjusting means 5 is more than described second
Refrigerant in the outlet pressures of pressure-regulating device 5, and then control second heat exchanger 12 can be from second heat exchanger 12
Outflow, into whole heat pump heating system.That is can make to lodge in second heat exchanger 12 or leak into
Refrigerant in two heat exchangers 12 can be used effectively, and participate in the thermal cycle of half courage heating mode such that it is able to effectively protect all the time
The internal circulating load of refrigerant, makes it have heat exchange efficiency higher in card Teat pump boiler.
The Teat pump boiler needs, when half courage heating mode works, also to may be selected to make second heat exchanger 12 independent
Operation, the controller 6 positioned at the refrigerant input B of second heat exchanger 12 is in open mode, positioned at the First Heat Exchanger
The controller 6 of 11 refrigerant input A is closed, and the control valve 6 control refrigerant only enters second heat exchanger 12
Input B；By adjusting the rotation speed of fan of the second pressure adjusting means 5 and/or evaporator 3, adjust the first pressure
The inlet port pressure of regulating device 4 is more than the outlet pressures of first pressure adjusting means 4, and then controls the First Heat Exchanger 11
Interior refrigerant can flow out from the First Heat Exchanger 11, into whole heat pump heating system.That is can make to lodge in institute
The refrigerant stated First Heat Exchanger 11 or leak into First Heat Exchanger 11 can be used effectively, and participate in half courage heating mode
Thermal cycle such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, heat exchange efficiency higher is made it have.
Fig. 5 is referred to, is the parallel way system diagram of Teat pump boiler of the present invention 4th, it is with the 3rd parallel way not
It is with part：The number of the controller 6 is one, at the refrigerant input A of the First Heat Exchanger 11.
The Teat pump boiler is needed when half courage heating mode works, and the selection First Heat Exchanger 11 isolated operation
When, the controller 6 at the refrigerant input A of the First Heat Exchanger 11 can be opened, and close the second pressure regulation dress
5 are put, so as to control refrigerant only to enter the input A of the First Heat Exchanger 11.
Fig. 6 is referred to, is the parallel way system diagram of Teat pump boiler of the present invention 5th, it is with first parallel way not
It is with part：The number of the controller 6 is one, at the refrigerant input B of second heat exchanger 12.
The Teat pump boiler is needed when half courage heating mode works, and selection second heat exchanger 11 isolated operation
When, the controller 6 at the refrigerant input B of second heat exchanger 12 can be opened, and close the first pressure regulation dress
4 are put, so as to control refrigerant only to enter the input B of second heat exchanger 12.
Fig. 7 is referred to, is the parallel way system diagram of Teat pump boiler of the present invention 6th, it is with first parallel way not
It is with part：The number of the controller 6 is one, at the refrigerant input A of the First Heat Exchanger 11.
The Teat pump boiler is needed when half courage heating mode works, and the selection First Heat Exchanger 11 isolated operation
When, the controller 6 at the refrigerant input A of the First Heat Exchanger 11 can be opened, and close the second pressure regulation dress
5 are put, so as to control refrigerant only to enter the input A of the First Heat Exchanger 11.
Fig. 8 is referred to, is Teat pump boiler of the present invention first series system system diagram.The Teat pump boiler includes：Water
Case 1, is arranged on the heat exchanger 12 of First Heat Exchanger 11 and second on the water tank 1；Compressor 2, evaporator 3, described first changes
Hot device 11, the second heat exchanger 12 are connected between the compressor 2 and the evaporator 3 by way of series connection, and described first
Heat exchanger 11 can isolated operation；The First Heat Exchanger 11 connects the first output pipe 13, second heat exchanger 12 connection the
Two output pipes 14, first output pipe 13 passes through the 3rd output pipe 15 and the steaming with second output pipe 14
Hair device 3 is connected；First pressure adjusting means 4, on first output pipe 13；Second pressure adjusting means 5, located at institute
State on the second output pipe 14；Control valve 6, positioned at the input B of second heat exchanger 12, control refrigerant enters described second
The refrigerant input B of heat exchanger 12.
The first pressure adjusting means 4 is electric expansion valve, and the second pressure adjusting means 5 is electric expansion valve.
Check valve 7 is additionally provided with second output pipe 14.The check valve 7 is prevented from from the second heat exchanger 12
The refrigerant of outflow is flowed back in the second heat exchanger 12 by second output pipe 14.
The Teat pump boiler needs, when half courage heating mode works, the First Heat Exchanger 11 to may be selected and individually transports
OK, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is closed, and the control valve 6 controls cold
Matchmaker only enters the input A of the First Heat Exchanger 11；The blower fan for adjusting the first pressure adjusting means 4 and/or evaporator 3 turns
Speed, makes the inlet port pressure of second pressure adjusting means 5 more than the outlet pressures of second pressure adjusting means 5, and then
Controlling the refrigerant in second heat exchanger 12 can flow out from second heat exchanger 12, into whole heat pump heating system.
That is the refrigerant for lodging in second heat exchanger 12 or leaking into the second heat exchanger 12 can be enable effective
Utilize, participate in the thermal cycle of half courage heating mode such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, makes
It has heat exchange efficiency higher.
The Teat pump boiler needs when full courage heating mode works, and may be selected to allow the First Heat Exchanger 11, second
Heat exchanger 12 is run simultaneously, and open mode, described the are in positioned at the controller 6 of the refrigerant input B of second heat exchanger 12
One pressure-regulating device 4 is electric expansion valve, is closed.The control valve 6 control refrigerant enters described first simultaneously
Heat exchanger 11, the input of the second heat exchanger 12, heat to whole courage.
Fig. 9 is referred to, is Teat pump boiler of the present invention second series system system diagram, it is with first series system not
It is with part：Control valve 6 is additionally provided with first output pipe 13, the pressure-regulating device 4 is capillary.
The Teat pump boiler needs, when half courage heating mode works, the First Heat Exchanger 11 to may be selected and individually transports
OK, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is closed, first output pipe
Control valve 6 on 13 is in open mode, and the control of control valve 6 refrigerant only enters the input A of the First Heat Exchanger 11；Adjust
The rotation speed of fan of the evaporator 3 is saved, the inlet port pressure of second pressure adjusting means 5 is adjusted more than the second pressure
Refrigerant in the outlet pressures of device 5, and then control second heat exchanger 12 can flow out from second heat exchanger 12, enter
Whole heat pump heating system.That is can make to lodge in second heat exchanger 12 or leak into the second heat exchanger 12
In refrigerant can be used effectively, participate in half courage heating mode thermal cycle such that it is able to heat-pump hot-water is effectively ensured all the time
The internal circulating load of refrigerant in device, makes it have heat exchange efficiency higher.
The Teat pump boiler needs when full courage heating mode works, and may be selected to allow the First Heat Exchanger 11, second
Heat exchanger 12 runs simultaneously, and the controller 6 positioned at the refrigerant input B of second heat exchanger 12 is in open mode, positioned at institute
The control valve 6 stated on the first output pipe 13 is closed.The control valve 6 control refrigerant is changed into described first simultaneously
Hot device 11, the input of the second heat exchanger 12, so as to be heated to whole courage.
Figure 10 is referred to, is the series system system diagram of Teat pump boiler of the present invention 3rd, itself and first series system
Difference is：The second pressure adjusting means 5 is capillary.
The Teat pump boiler is needed in the work of half courage heating mode, may be selected to allow the First Heat Exchanger 11 individually to transport
OK, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is closed, first output pipe
Control valve 6 on 13 is in open mode, and the control of control valve 6 refrigerant only enters the input A of the First Heat Exchanger 11；Adjust
The rotation speed of fan of the evaporator 3 is saved, the inlet port pressure of second pressure adjusting means 5 is adjusted more than the second pressure
Refrigerant in the outlet pressures of device 5, and then control second heat exchanger 12 can flow out from second heat exchanger 12, enter
Whole heat pump heating system.That is can make to lodge in second heat exchanger 12 or leak into the second heat exchanger 12
In refrigerant can be used effectively, participate in half courage heating mode thermal cycle such that it is able to heat-pump hot-water is effectively ensured all the time
The internal circulating load of refrigerant in device, makes it have heat exchange efficiency higher.
The Teat pump boiler needs when full courage heating mode works, and may be selected to allow the First Heat Exchanger 11, second
Heat exchanger 12 is run simultaneously, and open mode, described the are in positioned at the controller 6 of the refrigerant input B of second heat exchanger 12
One pressure-regulating device 4 is electric expansion valve, is closed.The control valve 6 control refrigerant enters described first simultaneously
Heat exchanger 11, the input of the second heat exchanger 12, so as to be heated to whole courage.
Figure 11 is referred to, is the series system system diagram of Teat pump boiler of the present invention 4th.The Teat pump boiler includes：Water
Case 1, is arranged on the heat exchanger 12 of First Heat Exchanger 11 and second on the water tank 1；Compressor 2, evaporator 3, described first changes
Hot device 11, the second heat exchanger 12 are connected between the compressor 2 and the evaporator 3 by way of series connection, and described first
Heat exchanger 11 can isolated operation；The First Heat Exchanger 11 connects the first output pipe 13, second heat exchanger 12 connection the
Two output pipes 14, first output pipe 13 passes through the 3rd output pipe 15 and the steaming with second output pipe 14
Hair device 3 is connected；First pressure adjusting means 4, on first output pipe 13；Second pressure adjusting means 5, located at institute
State on the 3rd output pipe 15；Control valve 6, positioned at the input B of second heat exchanger 12, control refrigerant enters described second
The refrigerant input B of heat exchanger 12.
The first pressure adjusting means 4 is electric expansion valve, and the second pressure adjusting means 5 is electric expansion valve.
The Teat pump boiler needs, when half courage heating mode works, the First Heat Exchanger 11 to may be selected and individually transports
OK, the controller 6 for being now placed in the refrigerant input B of second heat exchanger 12 is closed, and the control valve 6 controls cold
Matchmaker only enters the input A of the First Heat Exchanger 11；The blower fan for adjusting the second pressure adjusting means 5 and/or evaporator 3 turns
Speed, makes the inlet port pressure of second pressure adjusting means 5 more than the outlet pressures of second pressure adjusting means 5, and then
Controlling the refrigerant in second heat exchanger 12 can flow out from second heat exchanger 12, into whole heat pump heating system.
That is the refrigerant for lodging in second heat exchanger 12 or leaking into the second heat exchanger 12 can be enable effective
Utilize, participate in the thermal cycle of half courage heating mode such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, makes
It has heat exchange efficiency higher.
The Teat pump boiler needs when full courage heating mode works, and may be selected to allow the First Heat Exchanger 11, second
Heat exchanger 12 is run simultaneously, and open mode, described the are in positioned at the controller 6 of the refrigerant input B of second heat exchanger 12
One pressure-regulating device 4 is electric expansion valve, is closed.The control valve 6 control refrigerant enters described first simultaneously
Heat exchanger 11, the input of the second heat exchanger 12, so as to be heated to whole courage.
Present invention also offers the control method based on above-mentioned Teat pump boiler, it includes：
During 11 isolated operation of First Heat Exchanger, the control of control valve 6 refrigerant only enters the First Heat Exchanger 11
Input A；
During 12 isolated operation of the second heat exchanger, the control of control valve 6 refrigerant only enters second heat exchanger 12
Input B；
The First Heat Exchanger 11 and second heat exchanger 12 run simultaneously when, the control of control valve 6 refrigerant is simultaneously
Into the First Heat Exchanger 11 and second heat exchanger 12.
The first pressure adjusting means 4 can be electric expansion valve.For example when 11 isolated operation of First Heat Exchanger,
The second pressure adjusting means 5 controls the refrigerant in second heat exchanger 12 can be flowed out from second heat exchanger 12.Tool
Body, can adjust the second pressure by adjusting the rotation speed of fan of the first pressure adjusting means 4 and/or evaporator 3
The inlet port pressure of device 5 is more than the outlet pressures of second pressure adjusting means 5, so as to realize second heat exchanger 12
Interior refrigerant can flow out from second heat exchanger 12, into whole heat pump heating system.That is can make to lodge in institute
The refrigerant stated the second heat exchanger 12 or leak into the second heat exchanger 12 can be used effectively, and participate in half courage heating mode
Thermal cycle such that it is able to the internal circulating load of refrigerant in Teat pump boiler is effectively ensured all the time, heat exchange efficiency higher is made it have.
The rotation speed of fan mode of the above-mentioned regulation first pressure adjusting means 4 and/or evaporator 3, can make described second
The input end pressure of pressure-regulating device 5 is more than the output end pressure of second pressure adjusting means 5 and preset value sum, and then will be described
Refrigerant in second pressure adjusting means 5, and the second heat exchanger 2 being connected with the second pressure adjusting means 5 is from institute
State and suctioned out in the second heat exchanger 12.
The mode of the rotation speed of fan of the above-mentioned regulation first pressure adjusting means 4 and/or evaporator 3, can make the steaming
The refrigerant pressure of the refrigerant input of device 3 is sent out less than the refrigerant pressure in second heat exchanger 12, and then described second is exchanged heat
The refrigerant accumulated in device 12 is suctioned out.
The Teat pump boiler also includes the first detection for obtaining first pressure information in second heat exchanger 12
Device 120, the second detection device 30 for obtaining the refrigerant inlet end second pressure information of the evaporator 3, according to described
One pressure information and second pressure information, adjust the rotation speed of fan of the first pressure adjusting means 4 or evaporator 3, make described
First pressure information is more than the second pressure information.If the first pressure information is less than or equal to the second pressure information
When, then adjust the first pressure adjusting means 4 and reduce flow and/or reduce the rotation speed of fan of the evaporator 3, and then make institute
The refrigerant pressure of the refrigerant input of evaporator 3 is stated less than the refrigerant pressure in second heat exchanger 12, by the described second heat exchange
The refrigerant accumulated in device 12 or the refrigerant leaked into the second heat exchanger 12 are suctioned out.
When first detection means 120, the second detection device 30 are pressure sensor, the first detection dress
The first pressure information for putting 120 acquisitions is the pressure value in second heat exchanger 12, what the second detection device 30 was obtained
It is the pressure value at the refrigerant inlet end of the evaporator 3.When the pressure value in second heat exchanger 12 is less than or equal to the steaming
During the pressure value at hair device 3 refrigerant inlet end, then adjust the first pressure adjusting means 4 and reduce flow and/or reduce the steaming
The rotation speed of fan of device 3 is sent out, and then makes the refrigerant pressure of the refrigerant input of the evaporator 3 less than in second heat exchanger 12
Refrigerant pressure, the refrigerant that will accumulate in second heat exchanger 12 is suctioned out.
When first detection means 120, the second detection device 30 are temperature sensor, the first detection dress
The first pressure information for putting 120 acquisitions is the temperature value of refrigerant in second heat exchanger 12, and the second detection device 30 is obtained
The second pressure information for taking is the temperature of the input of the evaporator 3, because there is one-to-one direct ratio to close for temperature and pressure
System, thus the temperature can direct reaction go out the size of pressure.Under half courage heating mode, according to first detection means
120th, the temperature that the second detection device 30 is obtained, can adjust the wind of the first pressure adjusting means 4 and/or evaporator 3
Machine rotating speed, make refrigerant temperature in second heat exchanger 12 more than the refrigerant input of the evaporator 3 refrigerant temperature with it is pre-
Definite value sum, and then ensure that the refrigerant in second heat exchanger 12 can be suctioned out effectively.The preset value is that temperature is normal
Number, its value is variable constant, for example, can be 8,9,10 etc..When the refrigerant temperature in second heat exchanger 12 is more than the evaporation
When the refrigerant temperature of the refrigerant input of device 3 is with predetermined value sum, will fast and effeciently can accumulate in second heat exchanger 12
Refrigerant or leak into refrigerant in the second heat exchanger 12 and suction out, participate in the thermal cycle of half courage heating mode such that it is able to
All the time the internal circulating load of refrigerant in Teat pump boiler is effectively ensured, heat exchange efficiency higher is made it have.
The present invention provides a kind of Teat pump boiler and its control method, relative to existing there is the heating of half courage, full courage to add
It is cold positioned at second heat exchanger 12 when needing to be worked in half courage heating mode for the Teat pump boiler of hot-swapping function
The controller 6 of matchmaker's input B is closed, the isolated operation of the First Heat Exchanger 11, by adjusting the first pressure
The rotation speed of fan of adjusting means 4 and/or evaporator 3, makes the inlet port pressure of second pressure adjusting means 5 be more than described second
Refrigerant in the outlet pressures of pressure-regulating device 5, and then control second heat exchanger 12 can be from second heat exchanger 12
Outflow, into whole heat pump heating system.That is can make to lodge in second heat exchanger 12 or leak into
Refrigerant in two heat exchangers 12 can be used effectively, and participate in the thermal cycle of half courage heating mode such that it is able to effectively protect all the time
The internal circulating load of refrigerant, makes it have heat exchange efficiency higher in card Teat pump boiler.
The foregoing is only several embodiments of the present invention, although disclosed herein implementation method as above, it is but described
Content is only to facilitate the implementation method for understanding the present invention and using, is not intended to limit the present invention.Belonging to any present invention
Those skilled in the art, do not depart from disclosed herein spirit and scope on the premise of, can be in implementation method
Make any modification and change, but scope of patent protection of the invention in form and in details, still must be with appended claims
The scope for being defined is defined.
Claims (19)
1. a kind of Teat pump boiler, it is characterised in that the Teat pump boiler includes：
Water tank, the First Heat Exchanger being arranged on the water tank and the second heat exchanger；
Compressor, evaporator, the First Heat Exchanger and second heat exchanger are connected to the compressor and the evaporator
Between, the First Heat Exchanger can isolated operation；The First Heat Exchanger connects the first output pipe, and second heat exchanger connects
The second output pipe is connect, first output pipe passes through the 3rd output pipe and the evaporator with second output pipe
Connection；
First pressure adjusting means, on first output pipe；
Second pressure adjusting means, on second output pipe or the 3rd output pipe；
Control valve, control refrigerant enters the refrigerant input of the First Heat Exchanger and/or second heat exchanger；
During the First Heat Exchanger isolated operation, the control valve control refrigerant only enters the First Heat Exchanger input；Institute
Stating second pressure adjusting means controls the refrigerant in second heat exchanger to be flowed out from second heat exchanger.
2. Teat pump boiler as claimed in claim 1, it is characterised in that：The Teat pump boiler also includes described for obtaining
First detection means of first pressure information in second heat exchanger, for obtaining the evaporator refrigerant inlet end second pressure letter
The second detection device of breath.
3. Teat pump boiler as claimed in claim 2, it is characterised in that：First detection means and/or second inspection
Survey device is pressure sensor.
4. Teat pump boiler as claimed in claim 2, it is characterised in that：First detection means and/or second inspection
Survey device is temperature sensor.
5. Teat pump boiler as claimed in claim 2, it is characterised in that：Also include the TEMP being arranged on the water tank
Device, with the temperature of the second heat exchanger described in indirect gain.
6. Teat pump boiler as claimed in claim 1, it is characterised in that：The First Heat Exchanger is located at second heat exchanger
On.
7. Teat pump boiler as claimed in claim 1, it is characterised in that：The First Heat Exchanger, the second heat exchanger are by simultaneously
The mode of connection is connected between the compressor and the evaporator.
8. Teat pump boiler as claimed in claim 7, it is characterised in that：The second pressure adjusting means is located at described second
On output pipe.
9. Teat pump boiler as claimed in claim 1, it is characterised in that：The control valve is located at the defeated of second heat exchanger
Enter end.
10. Teat pump boiler as claimed in claim 1, it is characterised in that：The First Heat Exchanger, the second heat exchanger are by string
The mode of connection is connected between the compressor and evaporator.
11. Teat pump boilers as claimed in claim 10, it is characterised in that：The second pressure adjusting means is located at described the
On two output pipes or the 3rd output pipe.
12. Teat pump boilers as claimed in claim 1, it is characterised in that：Check valve is additionally provided with second output pipe.
13. Teat pump boilers as claimed in claim 1, it is characterised in that：The first pressure adjusting means is electronic expansion
Valve, the second pressure adjusting means is electric expansion valve or capillary or heating power expansion valve.
A kind of 14. control methods of Teat pump boiler as claimed in claim 1, it is characterised in that including：
During the second heat exchanger isolated operation, the control valve control refrigerant only enters the second heat exchanger input；
The First Heat Exchanger and second heat exchanger run simultaneously when, the control valve control refrigerant enters described the simultaneously
One heat exchanger and second heat exchanger.
The control method of 15. Teat pump boilers as claimed in claim 14, it is characterised in that：The First Heat Exchanger is individually transported
During row,
The rotation speed of fan of the first pressure adjusting means and/or evaporator is adjusted, makes the second pressure adjusting means entrance
End pressure is more than the second pressure adjusting means outlet pressures.
The control method of 16. Teat pump boilers as claimed in claim 15, it is characterised in that：Adjust the first pressure regulation
The rotation speed of fan of device and/or evaporator, makes the refrigerant pressure of the evaporator refrigerant input be less than second heat exchanger
Interior refrigerant pressure.
The control method of 17. Teat pump boilers as claimed in claim 16, it is characterised in that：The Teat pump boiler also includes
The first detection means for obtaining first pressure information in second heat exchanger, for obtaining the evaporator refrigerant inlet
The second detection device of second pressure information is held, according to the first pressure information and second pressure information, regulation described first
The rotation speed of fan of pressure-regulating device and/or evaporator, makes the first pressure information be more than the second pressure information.
The control method of 18. Teat pump boilers as claimed in claim 17, it is characterised in that methods described also includes：If institute
When stating first pressure information less than or equal to the second pressure information, then adjust the first pressure adjusting means and reduce flow
And/or reduce the rotation speed of fan of the evaporator.
The control method of 19. Teat pump boilers as claimed in claim 15, it is characterised in that：Adjust the first pressure regulation
The rotation speed of fan of device and/or evaporator, makes the second pressure adjusting means input end pressure adjust dress more than second pressure
Put output end pressure and preset value sum.
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| CN201510067738.4A CN104633929B (en) | 2015-02-09 | 2015-02-09 | Teat pump boiler and its control method |
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|---|---|---|---|
| CN201510067738.4A CN104633929B (en) | 2015-02-09 | 2015-02-09 | Teat pump boiler and its control method |
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| CN105157229B (en) * | 2015-07-14 | 2018-09-04 | Tcl空调器(中山)有限公司 | Water tank of water heater and water heater |
| CN106369822A (en) * | 2016-09-13 | 2017-02-01 | 天津商业大学 | Heat pump heating system |
| CN106979617B (en) * | 2017-05-15 | 2023-10-31 | 珠海格力电器股份有限公司 | Heat pump water heating device and control method thereof |
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| CN110906589A (en) * | 2019-10-29 | 2020-03-24 | 青岛海尔新能源电器有限公司 | Heat exchanger for heat pump and heat pump water heater |
| CN110940091B (en) * | 2019-12-09 | 2020-11-24 | 珠海格力电器股份有限公司 | Fluorine deficiency judgment method and heat pump water heater |
| CN112984799A (en) * | 2021-03-25 | 2021-06-18 | 珠海格力电器股份有限公司 | Air energy water heater and control method thereof |
| CN114576746A (en) * | 2022-02-18 | 2022-06-03 | 中山市爱美泰电器有限公司 | Heat pump air conditioner of coupling heat pump water heater |
| FR3150849A1 (en) * | 2023-07-07 | 2025-01-10 | Viessmann Climate Solutions Se | Thermodynamic water heater and water heating method using it |
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