CN219472343U - Novel air supplementing enthalpy increasing structure and compressor - Google Patents
Novel air supplementing enthalpy increasing structure and compressor Download PDFInfo
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- CN219472343U CN219472343U CN202320042025.2U CN202320042025U CN219472343U CN 219472343 U CN219472343 U CN 219472343U CN 202320042025 U CN202320042025 U CN 202320042025U CN 219472343 U CN219472343 U CN 219472343U
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Abstract
The utility model provides a novel air supplementing and enthalpy increasing structure and a compressor. The utility model has the beneficial effects that: the novel air supplementing and enthalpy increasing structure is characterized in that a Y-shaped enthalpy increasing channel is formed in the side face of a pump body partition board of a compressor, and an adaptive air supplementing valve seat is correspondingly arranged on the end face of a cylinder, so that the air supplementing and enthalpy increasing structure is realized as the air cylinder of the compressor, the heating capacity of the compressor in severe cold weather is improved, and the defects of low-temperature heating attenuation and overhigh exhaust temperature are overcome; the use time and the frequency of electric heating during air conditioning heating are effectively reduced, and the use of electric energy is greatly saved; the operation range of the heat pump is expanded, and the reliability of the operation of the compressor at low temperature is improved.
Description
Technical Field
The utility model relates to the field of compressors, in particular to a novel air supplementing and enthalpy increasing structure and a compressor.
Background
When the existing compressor is used for low-temperature heating, the air suction density is small when the refrigerant in the air conditioning system is at a low evaporation temperature, so that the heating quantity of the compressor at a low temperature is seriously attenuated. A common method for solving the problem of low-temperature decay of a compressor is a gas supplementing and enthalpy increasing technology. The air supplementing and enthalpy increasing technology is characterized in that a part of air with intermediate pressure is sucked through the intermediate pressure suction hole and mixed with the refrigerant subjected to partial compression, so that the flow of the refrigerant in the condenser is increased, and the enthalpy difference of an air conditioning system loop is enlarged, so that the compressor adopting the air supplementing and enthalpy increasing technology can adapt to the outdoor environment temperature lower than that of a common compressor, the heating capacity of the air supplementing and enthalpy increasing compressor in severe cold weather, namely in a low-temperature environment is realized, the long-term operation is reliable, and the problems of low-temperature heating attenuation, overhigh exhaust temperature and the like are solved.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the novel air supplementing and enthalpy increasing structure and the compressor are provided for solving the problems that the low-temperature comprehensive energy efficiency is poor, the reliability is easy to fail and the like when the conventional low-temperature heating system uses the common non-enthalpy increasing compressor.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a novel air supplementing and enthalpy increasing structure, includes the pump body and the pump body baffle, the pump body includes two cylinders, the pump body baffle sets up between two cylinders, the pump body baffle is equipped with the enthalpy increasing passageway, the enthalpy increasing passageway corresponds every cylinder and respectively is equipped with an gas vent and is used for sealing the valve block of gas vent when inhaling, the pump body corresponds the gas vent is equipped with the air supplementing disk seat.
Furthermore, the enthalpy-increasing channel is in a Y-shaped structure, and each exhaust port is communicated with the enthalpy-increasing channel through an inclined channel.
Further, the included angle between the central line of the inclined channel and the radial central line of the pump body partition plate is alpha, wherein 68 degrees < alpha <78 degrees.
Further, the diameter of the enthalpy-increasing channel is phi A, and the diameter of the inclined channel is phi B, wherein phi A/phi B is more than 1.1 and less than 1.4.
Further, the diameter phi B of the inclined channel is less than 6mm.
Further, the diameter of the head of the valve plate is phid, wherein phid/2-phib/2=2 mm.
Further, the valve plate comprises a screw hole, and the distance from the screw hole to the center of the diameter of the head of the valve plate is C, wherein C is more than 9mm and less than 16mm.
Further, the included angle between the air supplementing valve seat and the end face of the pump body is beta, wherein the included angle is 6 degrees < beta <8 degrees.
Further, the valve plate is fixed on the air supplementing valve seat through screws, and the pump body partition plate is correspondingly provided with screw avoiding counter bores.
The utility model also relates to a compressor comprising the novel air supplementing and enthalpy increasing structure.
The utility model has the beneficial effects that: the novel air supplementing and enthalpy increasing structure is characterized in that a Y-shaped enthalpy increasing channel is formed in the side face of a pump body partition board of a compressor, and an adaptive air supplementing valve seat is correspondingly arranged on the end face of a cylinder, so that the air supplementing and enthalpy increasing structure is realized as the air cylinder of the compressor, the heating capacity of the compressor in severe cold weather is improved, and the defects of low-temperature heating attenuation and overhigh exhaust temperature are overcome; the use time and the frequency of electric heating during air conditioning heating are effectively reduced, and the use of electric energy is greatly saved; the operation range of the heat pump is expanded, and the reliability of the operation of the compressor at low temperature is improved.
Drawings
The specific structure of the present utility model is described in detail below with reference to the accompanying drawings:
FIG. 1 is a schematic view showing an overall sectional structure of a compressor according to the present utility model;
FIG. 2 is a schematic view of a partial cross-sectional structure of the valve sheet E in FIG. 1 in a closed state;
FIG. 3 is a schematic view of a partial cross-sectional structure of the valve sheet E in FIG. 1 in an open state;
FIG. 4 is a schematic cross-sectional view of a pump body diaphragm of the present utility model;
FIG. 5 is a schematic structural view of a valve plate according to the present utility model;
FIG. 6 is a schematic view of the structure of the lower end face of the upper cylinder of the present utility model;
FIG. 7 is a schematic view of the cross-sectional structure in the T-T direction of FIG. 6;
1-an upper cylinder; 11-upper air supplementing valve seat; 12-upper valve plate; 13-screwing;
2-a lower cylinder; 21-lower air supplementing valve seat; 22-lower valve plate; 23-screwing down;
3-pump body partition plates; 31-enthalpy-increasing channel; 32-inclined channels;
4-enthalpy-increasing small knockout.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more features, either explicitly or implicitly. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
Please refer to fig. 1-7, a novel air supplementing and enthalpy increasing structure, which comprises a pump body and a pump body partition board, wherein the pump body comprises two cylinders, the pump body partition board is arranged between the two cylinders, the pump body partition board is provided with an enthalpy increasing channel, the enthalpy increasing channel is respectively provided with an exhaust port and a valve plate for sealing the exhaust port when being used for inhaling air corresponding to each cylinder, the pump body is provided with an air supplementing valve seat corresponding to the exhaust port, and the exhaust port is communicated with the inside of the cylinder through the air supplementing valve seat.
In this embodiment, the pump body includes cylinder 1 and lower cylinder 2, pump body baffle 3 sets up in between cylinder 1 and the lower cylinder 2, radially be equipped with in pump body baffle 3 side and increase enthalpy passageway 31, increase enthalpy passageway 31 lean on the outer one end installation of pump body baffle 3 and increase enthalpy little knockout 4, the other end of enthalpy passageway 31 then forked straight-through to the upper and lower both sides of pump body baffle 3, and communicate with cylinder 1 and lower cylinder 2 through the gas vent, the lower terminal surface of cylinder 1 and the up end of lower cylinder 2 correspond the gas vent and are equipped with the air valve seat of certain inclination, wherein cylinder 1 is equipped with air valve seat 11, lower cylinder 2 is equipped with air valve seat 21 down, the valve block includes upper valve block 12 and lower valve block 22, upper valve block 12 is fixed in air valve seat 11 through last screw 13, lower valve block 22 is fixed in air valve seat 21 down through lower screw 23, pump body baffle 3 corresponds last screw 13 and lower screw 23 and is equipped with the screw and dodges the counter bore respectively. When the valve plate is opened, the refrigerant entering from the enthalpy-increasing small liquid distributor can smoothly enter the corresponding cylinder.
When the pressure of the refrigerant entering the enthalpy-increasing small liquid dispenser is larger than the pressure of the inner cavity of the upper cylinder or the lower cylinder, the corresponding valve plate is opened, and the refrigerant flows into the inner cavity of the upper cylinder or the lower cylinder, so that the air suction amount of the cylinder is increased; when the pressure of the refrigerant entering the enthalpy-increasing small liquid distributor is smaller than the pressure of the inner cavity of the upper cylinder or the lower cylinder, the corresponding valve plate is in a closed state.
The enthalpy-increasing channel is in a Y-shaped structure, and each exhaust port is communicated with the enthalpy-increasing channel 31 through an inclined channel 32. The included angle between the central line of the inclined channel 32 and the radial central line of the pump body partition plate 3 is alpha, wherein the value of alpha satisfies the following conditions: 68 ° < α <78 °. When the value of alpha is smaller than 68 degrees, the head of the valve plate stretches out of the inner wall of the cylinder, so that the pump body is blocked; when the value of alpha is larger than 78 degrees, the tail part of the corresponding cylinder end face air supplementing valve seat cannot move outwards due to the limitation of the cylinder end face finish machining surface.
The diameter of the enthalpy-increasing channel 31 is phia, the diameter of the inclined channel 32 is phib, and the ratio of phia to phib satisfies: phi A/phi B is more than 1.1 and less than 1.4. The diameter phib of the inclined channel 32 is < 6mm, otherwise the compressor is prone to failure due to liquid hammer.
The valve block adopts a Hiflex valve block, the maximum limit value of the enthalpy-increasing pressure limit exists in the valve block, the fatigue strength of the valve block is 1.309 times of the maximum equivalent stress, through analysis, the fatigue strength of the air supplementing valve block is 1076Mpa, the maximum equivalent stress of the air supplementing valve block is 822Mpa, the reserved equivalent stress is 254Mpa, and the structural reliability of the air supplementing valve block can be ensured by adopting the Hiflex valve block.
In order to ensure that the valve plates do not blow-by each other when closed, the diameter of the head of the valve plate is phi D, and the diameter of the head of the valve plate and the diameter of the inclined channel satisfy the relation:
φD/2-φB/2＝2mm。
the valve block comprises a screw hole, the distance from the screw hole to the center of the diameter of the head of the valve block is C, and the value of C is more than 9mm and less than 16mm.
Too short valve block length can lead to rapid increase of the elastic coefficient of the valve block, and the movement resistance distance is increased, so that the exhaust resistance is increased;
too long valve block length can lead to the coefficient of elasticity of valve block to diminish, makes valve block head and gas vent laminating degree reduce, leads to gas leakage to reduce compressor performance.
The included angle between the air supplementing valve seat and the end face of the pump body is beta, and the value of beta meets the following conditions: 6 ° < β <8 °.
When the angle of beta is too large, the air supplementing amount is too large, the work consumed by compressed gas is also larger at the moment, the energy efficiency of the compressor can be reduced, meanwhile, the valve plate has a larger moving range, and the valve plate is easy to break due to too large resistance of the gas;
when the angle of beta is too small, the air supplementing quantity is insufficient, the heat energy of the lifting compressor cannot be reflected, and the lifting heat energy is limited.
Therefore, when 6 ° < β <8 °, the heating capacity of the compressor can be effectively improved.
From the above description, the beneficial effects of the utility model are as follows: the novel air supplementing and enthalpy increasing structure is characterized in that a Y-shaped enthalpy increasing channel is formed in the side face of a pump body partition board of a compressor, and an adaptive air supplementing valve seat is correspondingly arranged on the end face of a cylinder, so that the air supplementing and enthalpy increasing structure is realized as the air cylinder of the compressor, the heating capacity of the compressor in severe cold weather is improved, and the defects of low-temperature heating attenuation and overhigh exhaust temperature are overcome; the use time and the frequency of electric heating during air conditioning heating are effectively reduced, and the use of electric energy is greatly saved; the operation range of the heat pump is expanded, and the reliability of the operation of the compressor at low temperature is improved.
The utility model also relates to a compressor comprising the novel air supplementing and enthalpy increasing structure.
The compressor specifically includes last cylinder, lower cylinder, pump body baffle, increase the little knockout of enthalpy, pump body baffle sets up in last cylinder and lower cylinder between, increase the little knockout of enthalpy and set up in pump body baffle's side, pump body baffle radially is equipped with Y shape and increases the enthalpy passageway, the main channel and the little knockout of enthalpy of increase the enthalpy passageway are connected, two inclined channels of enthalpy passageway are direct to pump body baffle's upper and lower both sides respectively, form the gas vent, the lower terminal surface of last cylinder and the up end of lower cylinder correspond the gas vent and are equipped with the air valve seat of certain inclination respectively, the valve block passes through the screw fixation and is in the air valve seat to cover respectively in two gas vents of pump body baffle. When the pressure of the refrigerant entering the enthalpy-increasing small liquid dispenser is larger than the pressure of the inner cavity of the upper cylinder or the lower cylinder, the corresponding valve plate is opened, and the refrigerant flows into the inner cavity of the upper cylinder or the lower cylinder, so that the air suction amount of the cylinder is increased; when the pressure of the refrigerant entering the enthalpy-increasing small liquid distributor is smaller than the pressure of the inner cavity of the upper cylinder or the lower cylinder, the corresponding valve plate is in a closed state.
Through the enthalpy-adding air supplementing structure, the enthalpy-adding air supplementing structure is mixed with the refrigerant which is partially compressed in the pump body, the flow of the refrigerant in the condenser is increased, and the enthalpy difference of an air conditioning system loop is increased, so that the compressor adopting the air supplementing and enthalpy-adding technology can adapt to the outdoor environment temperature lower than that of a common compressor, and the heating capacity of the air supplementing and enthalpy-adding compressor in severe cold weather, namely in a low-temperature environment is realized.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a novel air supplementing and enthalpy increasing structure, its characterized in that, including the pump body and pump body baffle, the pump body includes two cylinders, pump body baffle sets up between two cylinders, pump body baffle is equipped with the enthalpy increasing passageway, the enthalpy increasing passageway corresponds every cylinder and respectively is equipped with an gas vent and is used for sealing the valve block of gas vent when breathing in, the pump body corresponds the gas vent is equipped with the air supplementing disk seat.
2. The novel air-supplementing enthalpy-increasing structure according to claim 1, wherein the enthalpy-increasing channel is in a Y-shaped structure, and each exhaust port is communicated with the enthalpy-increasing channel through an inclined channel.
3. The novel air-supplementing enthalpy-increasing structure according to claim 2, wherein an included angle between a center line of the inclined channel and a radial center line of the pump body partition plate is α, wherein 68 ° < α <78 °.
4. The novel air-supplementing enthalpy-increasing structure according to claim 3, wherein: the diameter of the enthalpy-increasing channel is phi A, and the diameter of the inclined channel is phi B, wherein phi A/phi B is more than 1.1 and less than 1.4.
5. The novel air-supplementing enthalpy-increasing structure according to claim 4, wherein a diameter phib of the inclined channel is smaller than 6mm.
6. The novel air-supplementing enthalpy-increasing structure according to claim 5, wherein a diameter of a head of the valve sheet is phid, wherein phid/2-phib/2=2 mm.
7. The novel air-supplementing enthalpy-increasing structure according to claim 6, wherein the valve plate includes a screw hole, and a distance from the screw hole to a center of a head diameter of the valve plate is C, wherein 9mm < C < 16mm.
8. The novel air-supplementing enthalpy-increasing structure according to claim 7, wherein an included angle between the air-supplementing valve seat and an end face of the pump body is β, wherein 6 ° < β <8 °.
9. The novel air-supplementing enthalpy-increasing structure according to claim 8, wherein the valve plate is fixed on the air-supplementing valve seat through screws, and the pump body partition plate is correspondingly provided with screw avoiding counter bores.
10. A compressor comprising a novel air-make-up enthalpy-increasing structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042025.2U CN219472343U (en) | 2023-01-03 | 2023-01-03 | Novel air supplementing enthalpy increasing structure and compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042025.2U CN219472343U (en) | 2023-01-03 | 2023-01-03 | Novel air supplementing enthalpy increasing structure and compressor |
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| CN219472343U true CN219472343U (en) | 2023-08-04 |
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| CN202320042025.2U Active CN219472343U (en) | 2023-01-03 | 2023-01-03 | Novel air supplementing enthalpy increasing structure and compressor |
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- 2023-01-03 CN CN202320042025.2U patent/CN219472343U/en active Active
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