CN211261352U - Quick-heating type heat pump circulation system - Google Patents
Quick-heating type heat pump circulation system Download PDFInfo
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- CN211261352U CN211261352U CN201922389988.6U CN201922389988U CN211261352U CN 211261352 U CN211261352 U CN 211261352U CN 201922389988 U CN201922389988 U CN 201922389988U CN 211261352 U CN211261352 U CN 211261352U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000003507 refrigerant Substances 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
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Abstract
The utility model discloses a quick-heating heat pump circulating system, which comprises a compressor, a condenser, a pressure difference regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline; a differential pressure regulating valve is arranged between the condenser and the evaporator and comprises a valve pipe, a mandril, a limiting spring, a regulating nut and a packaging pipe; the upper part of the limiting spring penetrates into the valve pipe through the liquid inlet; the lower end of the ejector rod penetrates through the valve pipe and the limiting spring and extends to the outside of the valve pipe, and a gap for liquid inlet is reserved between the outer wall of the ejector rod and the inner wall of the valve pipe; the adjusting nut is rotatably sleeved on the ejector rod, and the lower end of the limiting spring is abutted on the adjusting nut; the packaging tube is sleeved outside the valve tube. The utility model discloses installation pressure differential governing valve between condenser and evaporimeter can make the refrigerant produce pressure differential when passing through the governing valve, and the refrigerant of high pressure one side continues to keep high pressure state and liquefies rapidly and releases heat, makes the condenser rapid heating up, shortens heat pump system's start time.
Description
Technical Field
The utility model relates to a heat pump system technical field, concretely relates to fast hot type heat pump circulation system.
Background
The heat pump system is generally applied to the fields of air conditioning equipment, drying equipment and the like, the condenser is slowly heated when the heat pump system is just started, the condenser is preheated for a period of time after the heat pump system is started to reach the working temperature, under some conditions (such as food drying and tobacco leaf drying), the heat pump system needs to work intermittently, the condenser is required to be closed after the heat pump system is started for a period of time, the heat pump system is started again after the heat pump system is started for a period of time, the heat pump system needs to be started and shut down for many times in the working process, and the condenser is required to be preheated and heated after the heat pump system is started every time.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a quick-heating type heat pump circulation system can adjust the pressure differential of refrigerant between condenser and the evaporimeter, makes the refrigerant of condenser one side continue to keep high-pressure state and liquefy rapidly and release heat to make the condenser heat up rapidly, shorten heat pump circulation system's start time, improve work efficiency, energy saving.
In order to solve the technical problem, the utility model adopts the following technical scheme:
designing a quick-heating heat pump circulating system, which comprises a compressor, a condenser, a differential pressure regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator is correspondingly connected with a gas return port of the compressor to form a circulating loop; a pressure difference regulating valve is arranged between the condenser and the evaporator, the pressure difference regulating valve comprises a valve pipe, a push rod, a limiting spring, a regulating nut and a packaging pipe, and the lower ends of the valve pipe and the packaging pipe are liquid inlets while the upper ends of the valve pipe and the packaging pipe are liquid outlets;
an annular boss is arranged on the inner wall of the valve pipe, the upper part of the limiting spring penetrates into the valve pipe through the liquid inlet, and the upper end of the limiting spring is propped against the annular boss; the upper end of the ejector rod is provided with a conical end, the inner wall of the top of the valve pipe is provided with a conical surface matched with the conical end, the lower end of the ejector rod penetrates through the valve pipe and the limiting spring and extends to the outside of the valve pipe, the conical end is attached to the conical surface, and a gap for liquid inlet is reserved between the outer wall of the ejector rod and the inner wall of the valve pipe; the surface of the ejector rod is provided with external threads, the adjusting nut is rotatably sleeved on the ejector rod, and the lower end of the limiting spring abuts against the adjusting nut;
the packaging pipe is sleeved outside the valve pipe, the inner wall of the packaging pipe and the outer wall of the valve pipe are fixedly covered, the outer diameter of the adjusting nut is smaller than the inner diameter of the packaging pipe, one liquid inlet end of the packaging pipe is connected with the tail end outlet of the condenser, and one liquid outlet end of the packaging pipe is connected with the front end inlet of the evaporator.
The refrigerant discharged from the condenser passes through the regulating valve to generate pressure difference, and the refrigerant on the high-pressure side is continuously kept in a high-pressure state and is quickly liquefied to release heat, so that the temperature of the condenser is quickly raised. The ejector rod is arranged in the valve pipe, and the upper conical end is attached to the conical surface of the inner wall of the valve pipe to close the valve pipe; the refrigerant sent by the condenser enters from the liquid inlet at the lower end of the valve pipe, and the limiting spring needs to be driven to compress and deform as the conical end is pushed to flow out from the liquid outlet, so that the refrigerant can reach a certain pressure to push the conical end to open when reaching the liquid outlet of the valve pipe, the refrigerant generates pressure difference at the front side and the rear side of the regulating valve, the refrigerant at the high-pressure side is continuously kept in a high-pressure state and is rapidly liquefied to release heat, the condenser can be rapidly heated, the preheating time is shortened, and the working efficiency is improved; meanwhile, the pressure in the evaporator is reduced, so that the evaporation of the refrigerant is facilitated, and the pressure reduction and throttling effects are achieved. The two sides of the regulating valve can reach the required differential pressure by adjusting the thread pitch, the wire diameter and the compression amount of the limiting spring so as to adapt to the differential pressure requirements of different systems.
Preferably, the two ends of the packaging tube are respectively provided with a check valve, the packaging tube is correspondingly connected with a refrigerant pipeline communicated to the condenser and the evaporator through the check valve, the packaging tube is connected with the check valve through a connecting nut, the end part of the packaging tube is provided with a horn-shaped port, the connecting nut is sleeved outside the tube body of the packaging tube, the inner wall of the rear part of the connecting nut is provided with a clamping surface matched with the horn-shaped port in shape, the horn-shaped port is clamped in a tubular interface of the check valve, and the front part of the connecting nut is in threaded connection and fixation with the tubular interface of the check valve.
The one-way valves arranged on the two sides of the packaging pipe can facilitate the disassembly and replacement of the regulating valve, the one-way valves on the two sides are closed, the refrigerants in the pipelines on the two sides are cut off, the regulating valve can be disassembled, and then a new regulating valve is replaced; when the differential pressure valve is damaged or the regulating valve with different differential pressures needs to be replaced, the quick disassembly and assembly can be carried out; the regulating valves with different pressure differences can adapt to different requirements of the heat pump system on the pressure differences; other equipment in the heat pump system is not influenced in the replacement process.
Preferably, a rubber sealing ring is arranged between the clamping surface of the connecting nut and the contact surface of the horn-shaped port of the packaging tube, so as to play a further sealing role.
Preferably, the inner diameter of the annular boss is larger than the rod body diameter of the ejector rod.
Preferably, a set of reinforcing fixing parts is provided at each of upper and lower parts of the outer wall of the valve tube, the reinforcing fixing parts including two adjacent annular flanges and an annular groove formed between the two annular flanges. The reinforcing fixing part is convenient for reinforcing the fixation between the valve tube and the packaging tube, so that the valve tube and the packaging tube are firmer, and the valve tube is prevented from being loosened in the packaging tube.
Preferably, the shape of the tube body of the packaging tube positioned outside the valve tube is matched with the shape of the outer wall of the valve tube.
Preferably, a drying filter is further connected between the reservoir and the evaporator.
The beneficial effects of the utility model reside in that:
the utility model discloses fast hot type heat pump circulation system, install the pressure differential governing valve between condenser and evaporimeter, this pressure differential governing valve can make the refrigerant produce pressure differential when passing through the governing valve, the refrigerant of high pressure one side continues to keep the high-pressure state and liquefies rapidly exothermic, make the condenser heat-up fast, shorten preheating after the heat pump system starts, the heat-up time, make this heat pump system's start time by original 5-6 minutes, can shorten to 1 minute, be particularly useful for and need intermittent type nature work, the heat pump work field of frequent switching on and shutting down, can effectively improve the work efficiency of heat pump, the using electricity wisely. The check valves are arranged at the two ends of the packaging pipe, so that the regulating valve can be conveniently mounted and dismounted, and can be quickly replaced on the premise of not influencing other equipment of the heat pump system, and the regulating valve is convenient to overhaul and replace.
Drawings
Fig. 1 is a schematic structural view of a rapid-heating heat pump cycle system of the present invention;
FIG. 2 is a schematic structural view of a differential pressure regulating valve;
FIG. 3 is an exploded view of the differential pressure regulating valve;
FIG. 4 is a cross-sectional view of the valve tube;
FIG. 5 is a schematic view of the manner in which refrigerant passes through the differential pressure regulating valve;
FIG. 6 is a schematic structural view of a packing tube with check valves at both ends;
FIG. 7 is a schematic view of the structure of the joint between the packaging tube and the check valve;
FIG. 8 is a partial cross-sectional view after the enclosure tube and the check valve are connected together;
reference numbers in the figures: the valve comprises a valve pipe 1, a push rod 2, a limiting spring 3, an adjusting nut 4, an annular boss 5, a conical end 6, a conical surface 7, a packaging pipe 8, an annular flange 9 and an annular groove 10; 11 is a one-way valve, 12 is connected with a nut, and 13 is provided with a horn-shaped port; 14 compressor, 15 condenser, 16 liquid storage device, 17 evaporator, 18 gas-liquid separator and 19 drying filter.
Detailed Description
The following examples are provided only for illustrating the embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.
Example 1: a quick-heating heat pump circulating system, see figure 1, comprises a compressor 14, a condenser 15, a pressure difference regulating valve, an evaporator 17, a drying filter 19, a liquid storage device 16 and a gas-liquid separator 18 which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator 18 is correspondingly connected with a gas return port of the compressor 14 to form a circulating loop. A differential pressure regulating valve is arranged between the condenser 15 and the evaporator 17, and referring to fig. 2-5, the differential pressure regulating valve comprises a valve tube 1, a mandril 2, a limit spring 3, an adjusting nut 4 and a packaging tube 8, wherein the lower ends of the valve tube 1 and the packaging tube 8 are liquid inlets, and the upper ends of the valve tube 1 and the packaging tube 8 are liquid outlets.
An annular boss 5 is arranged on the inner wall of the valve pipe 1, the upper part of the limiting spring 3 penetrates into the valve pipe 1 through the liquid inlet, and the upper end of the limiting spring 3 is propped against the annular boss 5; the inner diameter of the annular boss 5 is larger than the rod body diameter of the mandril 2. The upper end of the ejector rod 2 is provided with a conical end head 6, the inner wall of the top of the valve tube 1 is provided with a conical surface 7 matched with the conical end head 6, the lower end of the ejector rod 2 penetrates through the valve tube 1 and the limiting spring 3 and extends to the outside of the valve tube 1, the conical end head 6 is attached to the conical surface 7, and a gap for liquid inlet is reserved between the outer wall of the ejector rod 2 and the inner wall of the valve tube 1; the surface of the ejector rod 2 is provided with external threads, the adjusting nut 4 is rotatably sleeved on the ejector rod 2, and the lower end of the limiting spring 3 is abutted to the adjusting nut 4.
The packaging tube 8 is sleeved outside the valve tube 1, the inner wall of the packaging tube 8 is fixedly covered with the outer wall of the valve tube 1, the outer diameter of the adjusting nut 4 is smaller than the inner diameter of the packaging tube 8, the liquid inlet end of the packaging tube 8 is connected with the tail end outlet of the condenser 15, and the liquid outlet end of the packaging tube 8 is connected with the front end inlet of the evaporator 17.
Further, a set of reinforcing fixing portions including two adjacent annular flanges 9 and an annular groove 10 formed between the two annular flanges 9 are provided at upper and lower portions of the outer wall of the valve tube 1, respectively. The shape of the tube body of the packaging tube 8 positioned outside the valve tube 1 is matched with the shape of the outer wall of the valve tube 1. Wherein, the packaging tube 8 is a copper tube.
Example 2: a quick-heating type heat pump circulating system is different from that of embodiment 1 in that, referring to fig. 6-8, two ends of a packaging tube 8 are respectively provided with a one-way valve 11 and correspondingly connected with a refrigerant pipeline communicated to a condenser 15 and an evaporator 17 through the one-way valve 11, the packaging tube 8 is connected with the one-way valve 11 through a connecting nut 12, the end of the packaging tube 8 is provided with a trumpet-shaped port 13, the connecting nut 12 is sleeved outside a tube body of the packaging tube 8, the inner wall of the rear part of the connecting nut 12 is provided with a clamping surface matched with the shape of the trumpet-shaped port 13, the trumpet-shaped port 13 is clamped in a tubular interface of the one-way valve 11, and the front part of the connecting nut 12 is fixedly connected with the tubular interface. A rubber sealing ring is arranged between the clamping surface of the connecting nut 12 and the contact surface of the horn-shaped port 13 of the packaging tube 8.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified.
The utility model discloses quick-heating type heat pump circulation system's concrete working method does:
the utility model discloses an among the heat pump circulation system, the circulation process of refrigerant is: the low-temperature low-pressure liquid refrigerant absorbs heat through the evaporator and is gasified into low-pressure gas, the low-pressure gas is compressed into high-temperature high-pressure gas in the compressor, the high-temperature high-pressure gas releases heat through the condenser, the high-temperature high-pressure gas is cooled and condensed into high-pressure liquid, and the high-temperature high-pressure liquid refrigerant is throttled into the low-temperature low-pressure liquid refrigerant through the regulating valve, so that a cycle is completed. The heat pump circulating system is applied to a heat pump dryer, and the circulating air is heated by the condenser and then sent into the drying room, so that the drying of materials is realized.
When the refrigerant discharged by the condenser passes through the pressure difference regulating valve, the refrigerant firstly enters the valve pipe from the liquid inlet at the lower end of the valve pipe, and the conical end at the upper end of the ejector rod is ejected after a certain pressure is reached, so that the refrigerant generates pressure difference at the front side and the rear side of the regulating valve, the refrigerant at the high-pressure side is continuously kept in a high-pressure state and is rapidly liquefied and released, the condenser is rapidly heated, the working efficiency of the heat pump is improved, and energy is saved. Use heat pump system's among the prior art drying-machine, the time that reaches normal operating temperature after the start is generally in 5-6 minutes, and adopt the utility model provides a heat pump system's drying-machine, start time can shorten to 1 minute, and when the material was dried for a few, the drying-machine needs intermittent type nature work, if move 15 minutes after the start at every turn and just need shut down, then can move 3 times per hour, ten hours move 30 times, adopt the utility model discloses heat pump system can save 4-5 minutes at every turn on, then can save on/off time 2-2.5 hours every day, can effectively improve the work efficiency of drying-machine, practice thrift the electric energy.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (6)
1. A quick-heating heat pump circulating system is characterized by comprising a compressor, a condenser, a differential pressure regulating valve, an evaporator, a drying filter, a liquid storage device and a gas-liquid separator which are sequentially communicated through a refrigerant pipeline, wherein an outlet of the gas-liquid separator is correspondingly connected with a gas return port of the compressor to form a circulating loop; a pressure difference regulating valve is arranged between the condenser and the evaporator, the pressure difference regulating valve comprises a valve pipe, a push rod, a limiting spring, a regulating nut and a packaging pipe, and the lower ends of the valve pipe and the packaging pipe are liquid inlets while the upper ends of the valve pipe and the packaging pipe are liquid outlets;
an annular boss is arranged on the inner wall of the valve pipe, the upper part of the limiting spring penetrates into the valve pipe through the liquid inlet, and the upper end of the limiting spring is propped against the annular boss; the upper end of the ejector rod is provided with a conical end, the inner wall of the top of the valve pipe is provided with a conical surface matched with the conical end, the lower end of the ejector rod penetrates through the valve pipe and the limiting spring and extends to the outside of the valve pipe, the conical end is attached to the conical surface, and a gap for liquid inlet is reserved between the outer wall of the ejector rod and the inner wall of the valve pipe; the surface of the ejector rod is provided with external threads, the adjusting nut is rotatably sleeved on the ejector rod, and the lower end of the limiting spring abuts against the adjusting nut;
the packaging pipe is sleeved outside the valve pipe, the inner wall of the packaging pipe and the outer wall of the valve pipe are fixedly covered, the outer diameter of the adjusting nut is smaller than the inner diameter of the packaging pipe, one liquid inlet end of the packaging pipe is connected with the tail end outlet of the condenser, and one liquid outlet end of the packaging pipe is connected with the front end inlet of the evaporator.
2. The rapid heating type heat pump cycle system according to claim 1, wherein the two ends of the packaging tube are respectively provided with a check valve, the packaging tube is correspondingly connected with a refrigerant pipeline communicated with the compressor and the condenser through the check valve, the packaging tube and the check valve are connected through a connecting nut, the end of the packaging tube is provided with a horn-shaped port, the connecting nut is sleeved outside the tube body of the packaging tube, the inner wall of the rear part of the connecting nut is provided with a clamping surface matched with the horn-shaped port in shape, the horn-shaped port is clamped in the tubular interface of the check valve, and the front part of the connecting nut is in threaded connection and fixed with the tubular interface of the check valve.
3. A rapid-heating type heat pump cycle system according to claim 2, wherein a rubber packing is provided between the engaging surface of the coupling nut and the contact surface of the bell-shaped port of the packing tube.
4. A rapid heating type heat pump cycle system according to claim 1, wherein the inner diameter of the annular boss is larger than the rod body diameter of the ejector rod.
5. A rapid-heating type heat pump cycle system according to claim 1, wherein a set of reinforcing fixing portions are provided at each of upper and lower portions of the outer wall of the valve tube, the reinforcing fixing portions comprising two adjacent annular flanges and an annular groove formed between the two annular flanges.
6. A rapid heating type heat pump cycle system according to claim 5, wherein the shape of the tube body of the packing tube located outside the valve tube is matched with the shape of the outer wall of the valve tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389988.6U CN211261352U (en) | 2019-12-27 | 2019-12-27 | Quick-heating type heat pump circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389988.6U CN211261352U (en) | 2019-12-27 | 2019-12-27 | Quick-heating type heat pump circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211261352U true CN211261352U (en) | 2020-08-14 |
Family
ID=71956721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389988.6U Expired - Fee Related CN211261352U (en) | 2019-12-27 | 2019-12-27 | Quick-heating type heat pump circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211261352U (en) |
-
2019
- 2019-12-27 CN CN201922389988.6U patent/CN211261352U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |