CN115751768A - Electric heating temperature control device for air-cooled heat pump unit - Google Patents
Electric heating temperature control device for air-cooled heat pump unit Download PDFInfo
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- CN115751768A CN115751768A CN202211482854.9A CN202211482854A CN115751768A CN 115751768 A CN115751768 A CN 115751768A CN 202211482854 A CN202211482854 A CN 202211482854A CN 115751768 A CN115751768 A CN 115751768A
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Abstract
The invention relates to an electric heating temperature control device for an air-cooled heat pump unit, which comprises an air-cooled heat pump unit, a heating device, a water supply temperature sensor and a temperature controller, wherein the air-cooled heat pump unit and the heating device are arranged between a water supply pipe and a water return pipe in parallel, the water supply temperature sensor is arranged on the water supply pipe, and the temperature controller is respectively and electrically connected with the heating device and the water supply temperature sensor. Compared with the prior art, the invention ensures that the water supply temperature can meet the requirements of users by adding a set of electric heating device and a temperature control device, and can not cause energy waste.
Description
Technical Field
The invention belongs to the technical field of air-cooled heat pump units, and relates to an electric heating temperature control device for an air-cooled heat pump unit.
Background
The air-cooled heat pump unit is a circulating system formed by a compressor, a heat exchanger, a restrictor, a heat absorber, a compressor and the like. The refrigerant circularly flows in the system under the action of the compressor, a gaseous pressure-increasing and temperature-increasing process (the temperature is up to 100 ℃) is completed in the compressor, then the refrigerant enters the heat exchanger to exchange heat with wind, the refrigerant is cooled and converted into a liquid state, after the refrigerant runs to the heat absorber, the liquid state rapidly absorbs heat and evaporates to be converted into the gaseous state again, the temperature is reduced to minus 20 ℃ to minus 30 ℃, and at the same time, air around the heat absorber can continuously transfer low-temperature heat to the refrigerant. The continuous circulation of the refrigerant realizes the process that the low-temperature heat in the air is converted into the high-temperature heat and the cold water is heated.
However, in the actual use process, the air-cooled heat pump unit has the phenomenon of insufficient refrigerating capacity in summer and insufficient heating capacity in winter at different degrees in use.
Disclosure of Invention
The invention aims to provide an electric heating temperature control device for an air-cooled heat pump unit.
The purpose of the invention can be realized by the following technical scheme:
an electric heating temperature control device for an air-cooled heat pump unit comprises the air-cooled heat pump unit and a heating device which are arranged between a water supply pipe and a water return pipe in parallel, a water supply temperature sensor arranged on the water supply pipe, and a temperature controller which is respectively electrically connected with the heating device and the water supply temperature sensor.
Furthermore, a plurality of air-cooled heat pump units are arranged in parallel between the water supply pipe and the water return pipe.
Further, the heating device comprises an electric boiler.
Further, the heating device comprises an oil-fired boiler.
Further, the heating device comprises a gas boiler.
Further, the heating device comprises a steam-water heat exchanger.
Furthermore, the device also comprises a temperature adjusting device which is connected with the heating device in parallel, the temperature adjusting device comprises a temperature adjusting pot and a heat conducting pipe which is arranged in the temperature adjusting pot, and the inlet of the heat conducting pipe is connected with the air outlet of the air-cooled heat pump unit.
Further, the heat conduction pipe is a spiral heat conduction pipe.
Furthermore, an electromagnetic valve is arranged between the temperature adjusting device and the water supply pipe.
Further, the electromagnetic valve is electrically connected with the temperature controller.
Compared with the prior art, the invention has the following characteristics:
1) The reasons for the phenomenon of insufficient refrigerating capacity in summer and insufficient heating capacity in winter are various, and besides the factors of the equipment, the problems in engineering design also exist. The air flow short circuit is caused by unreasonable arrangement of equipment, high-temperature exhaust air of the unit is sucked again in summer, the high condensation pressure of the intake air is increased, and the refrigerating capacity of the unit is reduced; the wet air exhausted by the unit which is defrosting in winter is sucked by the unit which is heating nearby to cause overhigh humidity of the sucked air, thus intensifying the frosting speed of the heating unit, prolonging the defrosting time of the heating unit, reducing the heating time and reducing the heat supply load of the unit; therefore, the invention additionally adds a set of electric heating device, and ensures that the water supply temperature can meet the requirements of users through the temperature control device, and energy waste can not be caused;
2) The invention adopts the additional arrangement of the temperature adjusting device and introduces the outlet air of the air-cooled heat pump unit, thereby fully improving the energy utilization rate: when the air-cooled heat pump unit is in a refrigeration mode, the outlet air is hot air, the water in the temperature adjusting device is heated for standby through the hot air, and at the moment, if the refrigerating capacity is overlarge, the heating device and the temperature adjusting device can be started at the same time and introduced into a water supply pipe, so that the effect of quickly heating is achieved; when the air-cooled heat pump unit is in a heating mode, the outlet air is cold air, the cold air cools the water in the temperature adjusting device for standby, and at the moment, if the heating quantity is too large, the temperature adjusting device can be introduced into the water supply pipe, so that the effect of quickly cooling is achieved.
Drawings
FIG. 1 is a schematic structural diagram of an electrical heating temperature control device for an air-cooled heat pump unit in an embodiment;
the notation in the figure is:
1-a first air-cooled heat pump unit, 2-a second air-cooled heat pump unit, 3-a third air-cooled heat pump unit, 4-a heating device, 5-a water supply temperature sensor, 6-a water supply pipe, 7-a temperature controller, 8-a water return pipe and 9-a temperature adjusting device.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The embodiment is as follows:
as shown in fig. 1, an electric heating temperature control device for an air-cooled heat pump unit includes a first air-cooled heat pump unit 1, a second air-cooled heat pump unit 2, a third air-cooled heat pump unit 3, a heating device 4, a temperature adjusting device 9, a water supply temperature sensor 5, and a temperature controller 7, wherein the first air-cooled heat pump unit 1, the second air-cooled heat pump unit 2, the third air-cooled heat pump unit 3, the heating device 4, the temperature adjusting device 9, the water supply temperature sensor 5, and the temperature controller 7 are arranged in parallel between a water supply pipe 6 and a water return pipe 8, and are electrically connected with the heating device 4 and the water supply temperature sensor 5, respectively.
The heating device 4 is an electric boiler, and in other embodiments, an oil boiler, a gas boiler, or a steam-water heat exchanger may be used.
The temperature adjusting device 9 comprises a temperature adjusting pot and a heat conducting pipe arranged in the temperature adjusting pot, wherein the heat conducting pipe is a spiral heat conducting pipe, and the inlet of the heat conducting pipe is connected with the air outlet of the air-cooled heat pump unit. An electromagnetic valve is arranged between the temperature adjusting device 9 and the water supply pipe 6, and the electromagnetic valve is also electrically connected with the temperature controller 7.
In operation, the upper limit temperature of the temperature controller 7 may be set to 60 ℃ and the lower limit temperature may be set to 45 ℃. When the first air-cooled heat pump unit 1, the second air-cooled heat pump unit 2 and the third air-cooled heat pump unit 3 are started, the temperature controller 7 detects the temperature value of the water supply temperature sensor 5, then the temperature controller 7 compares the received temperature value with the upper limit value and the lower limit value of the set temperature in the temperature controller 7, and if the temperature exceeds 60 ℃, the heating device 4 stops working; if it is lower than 45 deg.c, the heating device 4 starts to operate. By the control mode, the water supply temperature can reach the requirement of a user, and energy waste can not be caused.
In addition, through setting up attemperator 9 in addition to introduce air-out with air-cooled heat pump set, with abundant improvement energy utilization: when the air-cooled heat pump unit is in a refrigeration mode, the outlet air is hot air, the water in the temperature adjusting device 9 is heated for standby through the hot air, and at the moment, if the refrigerating capacity is overlarge, the heating device 4 and the temperature adjusting device 9 can be started at the same time and introduced into the water supply pipe 6, so that the effect of quickly heating is achieved; when the air-cooled heat pump unit is in a heating mode, the outlet air is cold air, the cold air cools the temperature adjusting device 9 for standby, and at the moment, if the heating quantity is too large, the temperature adjusting device 9 can be introduced into the water supply pipe 6, so that the effect of rapid cooling is achieved.
And moreover, the air-cooled heat pump unit is guided to a position far away from an air inlet so as to avoid the problems that air flow is short-circuited, high-temperature exhaust air of the unit is sucked again in summer, the air inlet temperature is too high, the condensing pressure is increased, and the refrigerating capacity of the unit is reduced.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a be used for air cooled heat pump set electrical heating temperature control device which characterized in that, including air cooled heat pump set and heating device (4) of parallelly connected locating between delivery pipe (6) and wet return (8) to and locate water supply temperature sensor (5) on delivery pipe (6), and temperature controller (7) with heating device (4), water supply temperature sensor (5) electricity connection respectively.
2. The electrical heating temperature control device for the air-cooled heat pump unit according to claim 1, wherein a plurality of air-cooled heat pump units are connected in parallel between the water supply pipe (6) and the water return pipe (8).
3. An electric heating temperature control device for an air-cooled heat pump unit according to claim 1, characterized in that the heating device (4) comprises an electric boiler.
4. The electric heating temperature control device for the air-cooled heat pump unit according to claim 1, wherein the heating device (4) comprises an oil-fired boiler.
5. The electric heating temperature control device for the air-cooled heat pump unit according to claim 1, wherein the heating device (4) comprises a gas boiler.
6. An electrically-heated temperature control device for an air-cooled heat pump unit according to claim 1, characterized in that the heating device (4) comprises a steam-water heat exchanger.
7. The electric heating temperature control device for the air-cooled heat pump unit according to claim 1, characterized in that the device further comprises a temperature adjusting device (9) connected in parallel with the heating device (4), the temperature adjusting device (9) comprises a temperature adjusting pot and a heat conducting pipe arranged in the temperature adjusting pot, and an inlet of the heat conducting pipe is connected with an air outlet of the air-cooled heat pump unit.
8. The electric heating temperature control device for the air-cooled heat pump unit according to claim 7, wherein the heat conduction pipe is a spiral heat conduction pipe.
9. The electrical heating temperature control device for the air-cooled heat pump unit according to claim 7, wherein an electromagnetic valve is further arranged between the temperature control device (9) and the water supply pipe (6).
10. The electric heating temperature control device for the air-cooled heat pump unit according to claim 1, wherein the electromagnetic valve is electrically connected with the temperature controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482854.9A CN115751768A (en) | 2022-11-24 | 2022-11-24 | Electric heating temperature control device for air-cooled heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211482854.9A CN115751768A (en) | 2022-11-24 | 2022-11-24 | Electric heating temperature control device for air-cooled heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115751768A true CN115751768A (en) | 2023-03-07 |
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ID=85338580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211482854.9A Pending CN115751768A (en) | 2022-11-24 | 2022-11-24 | Electric heating temperature control device for air-cooled heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115751768A (en) |
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2022
- 2022-11-24 CN CN202211482854.9A patent/CN115751768A/en active Pending
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