CN219453224U - Heating ventilation air conditioning system with liquid negative pressure generating valve - Google Patents
Heating ventilation air conditioning system with liquid negative pressure generating valve Download PDFInfo
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- CN219453224U CN219453224U CN202320200069.3U CN202320200069U CN219453224U CN 219453224 U CN219453224 U CN 219453224U CN 202320200069 U CN202320200069 U CN 202320200069U CN 219453224 U CN219453224 U CN 219453224U
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- air conditioning
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Abstract
The utility model discloses a heating ventilation air conditioning system provided with a liquid negative pressure generating valve, which comprises a heating pipeline, at least one heating sheet arranged on the heating pipeline in parallel, an upstream distribution tee joint connected with a water inlet of the heating sheet and connected on the heating pipeline in series, and a negative pressure generating valve connected with a water outlet of the heating sheet and connected on the heating pipeline in series, wherein the heating ventilation air conditioning system comprises a heating pipeline, at least one heating sheet arranged on the heating pipeline in parallel, and an upstream distribution tee joint connected with a water inlet of the heating sheet in series; the number of the negative pressure generating valves and the number of the upstream distribution tee joints are the same as that of the warm plates. The utility model provides a warm logical air conditioning system that is provided with liquid negative pressure and takes place the valve uses the mode of separation regulation, adopts the main pipe fluid to produce the negative pressure through the original wing type negative pressure generator structure in the device, thereby forms fluid circulation power and realizes distributing branch pipe flow.
Description
Technical Field
The application relates to the field of valves, in particular to a heating ventilation air conditioning system with a liquid negative pressure generation valve.
Background
In the existing heating ventilation air conditioning system, a three-way valve is adopted to distribute circulating liquid powered by a system water pump in a main pipe, so that a heat dissipation device on a branch road obtains required liquid flow.
The existing distribution valves are mainly divided into the following two types:
the first is that, as shown in fig. 1, the volume is large due to the fact that the fluid passes through all the main pipes, the main pipes are connected to the valve body due to the position requirement of the temperature sensing mechanism of the automatic thermostatic control regulating device, and therefore the main pipes bypass along the main pipe line of the radiator, the local resistance is increased, and the pressure loss is increased.
The second type is shown in fig. 2, a constant temperature adjusting device is separately installed with a flow dividing device, the flow dividing device cannot participate in flow adjustment after separation, fixed flow is preset according to the maximum working condition, when the load needs to be reduced, each adjusting valve on a branch pipe is closed to reduce the flow, the lift of a water pump is increased, the pressure difference of the adjusting valve is adjusted to be increased sharply, and therefore the adjusting device fails in critical working conditions and fails in adjustment.
The third is shown in fig. 3, which needs to use two dry pipes and needs to be provided with an out-of-range system for control, so that remote misalignment is easy to occur.
Fourth, as shown in fig. 4, three dry pipes are required, and a same-path system needs to be constructed, so that the defects of long pipe path, high resistance, high material consumption and high usage amount are caused.
Disclosure of Invention
To the deficiency of the prior art, the application provides a heating ventilation air conditioning system with a liquid negative pressure generating valve, and adopts a separation adjustment mode, adopts a main pipe fluid to generate negative pressure through an original airfoil type negative pressure generator structure in the device, and forms fluid circulation power to realize distribution branch pipe flow.
The heating ventilation air conditioning system provided with the liquid negative pressure generating valve comprises a heating pipeline, at least one heating fin arranged on the heating pipeline in parallel, an upstream distribution tee joint connected with a water inlet of the heating fin and connected on the heating pipeline in series, and a negative pressure generating valve connected with a water outlet of the heating fin and connected on the heating pipeline in series; the number of the negative pressure generating valves and the number of the upstream distribution tee joints are the same as that of the warm plates.
Preferably, in the upstream distribution tee and the negative pressure generating valve which are arranged on the same heating plate, the upstream distribution tee is positioned at the front end of the heating pipeline.
Further, the negative pressure generating valve is composed of a valve main body, a through cavity which penetrates through the valve main body from front to back, an airfoil ring which is arranged on the side wall of the through cavity, a connecting hole which penetrates through the airfoil ring, and a branch cavity which penetrates through the valve main body from the side wall and is communicated with the connecting hole.
Preferably, the valve main body is T-shaped, the valve main body is horizontally penetrated through the cavity, and the branch cavity penetrates through the valve main body from the T-shaped bulge of the valve main body.
Preferably, the profile of the wing-shaped ring is in a wing shape with mirror symmetry, and the outer side of the wing-shaped ring is a plane, and the inner side of the wing-shaped ring is in a wing-shaped bulge.
Preferably, the slope of the inner front end of the airfoil ring is greater than the slope of the inner rear end of the airfoil ring.
Still further, the wing section circle outside is provided with the ring channel, and this ring channel is linked together with a chamber way.
Preferably, the connection hole provided on the airfoil ring communicates the annular groove with the passage.
Preferably, the number of the connecting holes is at least four, and the connecting holes are uniformly distributed on the wing-shaped ring in a ring shape, and the number of the connecting holes in each group is two.
Compared with the prior art, the embodiment of the application has the following beneficial effects:
(1) When the liquid flows through the passage cavity, the utility model can generate negative pressure like an aircraft wing by utilizing the Bernoulli principle, and the liquid in the branch cavity can more smoothly flow into the passage cavity and be discharged backwards through the formation of the negative pressure.
(2) The heating pipeline is arranged without detour, and has small pressure loss along the way.
(3) The negative pressure driving adjusting mechanism has small pressure difference in and out and sensitive adjustment.
(4) The flow of the heating pipeline is not affected by the flow regulation change of the branch pipes, and the flow of the heating pipeline is constant, so that the automatic control of the thermal power equipment and the maintenance of rated flow are facilitated.
(5) The annular groove is arranged, so that the flowing stress of liquid can be effectively distributed, the deformation probability of a product is reduced, and the negative pressure self-priming effect is improved.
(6) The uniform arrangement of the connecting holes can greatly reduce the single-point stress of the valve main body, and better improve the service life of the valve main body.
(7) The utility model adopts a separation adjustment mode, adopts a dry pipe fluid to generate negative pressure through an original wing type negative pressure generator structure in the device, and forms fluid circulation power so as to realize the flow distribution of branch pipes.
Additional features of the present application will be set forth in part in the description which follows. Additional features will be set forth in part in the description which follows and in the accompanying drawings, or in part will be apparent to those skilled in the art from the description, or may be learned by the production or operation of the embodiments. The features disclosed in this application may be implemented and realized in the practice or use of the various methods, instrumentalities and combinations of the specific embodiments described below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application. Like reference symbols in the various drawings indicate like elements. Wherein, the liquid crystal display device comprises a liquid crystal display device,
fig. 1 is a schematic diagram of a first prior art structure.
Fig. 2 is a schematic diagram of a second prior art structure.
Fig. 3 is a schematic diagram of a third prior art structure.
Fig. 4 is a schematic diagram of a fourth prior art structure.
Fig. 5 is a schematic structural view of the present utility model.
Fig. 6 is a schematic sectional view of a negative pressure generating valve according to the present utility model.
Reference numerals illustrate: 100. a heating pipe; 200. heating the sheet; 300. upstream distribution tee; 400. a negative pressure generating valve; 401. a valve body; 402. passing through the cavity; 403. an airfoil ring; 404. a branch cavity channel; 405. an annular groove; 406. and a connection hole.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that if the terms "first," "second," and the like are referred to in the specification, claims, and drawings of the present application, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Further, in this application, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they refer to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As shown in fig. 5, the heating ventilation and air conditioning system provided with the liquid negative pressure generating valve comprises a heating pipeline 100, at least one heating sheet 200 arranged on the heating pipeline 100 in parallel, an upstream distribution tee 300 connected with a water inlet of the heating sheet 200 and connected on the heating pipeline 100 in series, and a negative pressure generating valve 400 connected with a water outlet of the heating sheet 200 and connected on the heating pipeline 100 in series; the number of negative pressure generating valves 400 and the number of upstream dispensing tee 300 are the same as the number of warming plates 200.
The heating pipeline, the heating sheet and the upstream distribution tee are all in the prior art, and the setting and the use of the heating pipeline, the heating sheet and the upstream distribution tee can be completed by a person skilled in the art without creative labor, and the details are omitted.
In the upstream distribution tee 300 and the negative pressure generation valve 400 provided on the same heating panel 200, the upstream distribution tee 300 is located at the front end of the heating pipe 100.
As shown in fig. 6, the negative pressure generating valve 400 further comprises a valve body 401, a through channel 402 penetrating the valve body 401 back and forth, an airfoil ring 403 disposed on a sidewall of the through channel 402, a connecting hole 406 penetrating the airfoil ring 403, and a branch channel 404 penetrating the valve body 401 from the sidewall and communicating with the connecting hole 406.
The valve body 401 is T-shaped, the valve body 401 is horizontally penetrated by the cavity channel 402, and the branch cavity channel 404 penetrates the valve body 401 from the T-shaped bulge of the valve body 401.
The profile of the wing-shaped ring 403 is in a wing shape with mirror symmetry, and the outer side of the wing-shaped ring 403 is a plane, and the inner side of the wing-shaped ring 403 is in a wing-shaped bulge.
The slope of the inner front end of the airfoil ring 403 is greater than the slope of the inner rear end of the airfoil ring.
When the liquid flows through the passage cavity, the negative pressure is generated like an aircraft wing by utilizing the Bernoulli principle, and then the liquid in the branch cavity can smoothly flow into the passage cavity and be discharged backwards through the formation of the negative pressure.
The main pipe distribution and adjustment mechanism of the utility model are separated, the heating pipeline is not required to bypass when being arranged, and the pressure loss along the way is small. Meanwhile, the negative pressure drives the adjusting mechanism to have small pressure difference in and out, and the adjustment is sensitive. The flow of the heating pipeline is not influenced by the flow regulation and change of the branch pipes, and the flow of the heating pipeline is constant, so that the automatic control of the thermodynamic equipment and the maintenance of rated flow are facilitated.
Example 2
The present embodiment differs from embodiment 1 only in that an annular groove 405 is provided outside the airfoil ring 403, and the annular groove 405 communicates with the branch channel 404.
The connection holes 406 provided on the airfoil ring 403 connect the annular groove 405 with the passage 402.
The annular groove can effectively distribute the flowing stress of liquid, reduce the deformation probability of products and improve the negative pressure self-priming effect.
The number of the connecting holes 406 in each group is two, and the connecting holes 406 are at least four groups and are uniformly distributed on the airfoil ring 403 in an annular shape.
The even setting of connecting hole, the single-point atress size of reduction valve main part that can be very big has better improved valve main part's life.
It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.
In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.
Claims (8)
1. The heating ventilation air conditioning system provided with the liquid negative pressure generating valve comprises a heating pipeline (100), at least one heating sheet (200) which is arranged on the heating pipeline (100) in parallel, and an upstream distribution tee joint (300) which is connected with a water inlet of the heating sheet (200) and is connected on the heating pipeline (100) in series, and is characterized by further comprising a negative pressure generating valve (400) which is connected with a water outlet of the heating sheet (200) and is connected on the heating pipeline (100) in series; the number of the negative pressure generating valves (400) and the number of the upstream distribution tee joint (300) are the same as the number of the warm plates (200); the negative pressure generating valve (400) is composed of a valve main body (401), a through cavity (402) penetrating through the valve main body (401) front and back, an airfoil ring (403) arranged on the side wall of the through cavity (402), a connecting hole (406) penetrating through the airfoil ring (403) and a branch cavity (404) penetrating through the valve main body (401) from the side wall and communicated with the connecting hole (406).
2. The hvac system with the liquid negative pressure generating valve according to claim 1, wherein the upstream distribution tee (300) is located at the front end of the heating pipe (100) among the upstream distribution tee (300) and the negative pressure generating valve (400) provided on the same heating sheet (200).
3. The heating ventilation and air conditioning system with the liquid negative pressure generating valve according to claim 2, wherein the valve main body (401) is in a T shape, the valve main body (401) is horizontally penetrated by the cavity channel (402), and the branch cavity channel (404) penetrates the valve main body (401) from a T-shaped bulge of the valve main body (401).
4. A heating, ventilation and air conditioning system provided with a liquid negative pressure generating valve according to claim 3, characterized in that the profile of the wing-shaped ring (403) is in the shape of a mirror-symmetrical wing, the outer side of the wing-shaped ring (403) is plane, and the inner side is in the shape of a wing-shaped bulge.
5. The hvac system provided with the negative pressure liquid generating valve according to claim 4, wherein the slope of the inner front end of the airfoil ring (403) is larger than the slope of the inner rear end of the airfoil ring.
6. The heating, ventilation and air conditioning system provided with the liquid negative pressure generating valve according to claim 5, characterized in that an annular groove (405) is arranged on the outer side of the wing-shaped ring (403), and the annular groove (405) is communicated with the branch cavity channel (404).
7. A hvac system provided with a negative liquid pressure generating valve according to claim 6, characterized in that a connection hole (406) provided on the airfoil ring (403) communicates the annular groove (405) with the through passage (402).
8. The heating, ventilation and air conditioning system provided with a liquid negative pressure generating valve according to claim 7, wherein the number of the connecting holes (406) is at least four, and the connecting holes (406) are uniformly distributed on the wing-shaped ring (403) in a ring shape, and the number of the connecting holes (406) in each group is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200069.3U CN219453224U (en) | 2023-02-06 | 2023-02-06 | Heating ventilation air conditioning system with liquid negative pressure generating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200069.3U CN219453224U (en) | 2023-02-06 | 2023-02-06 | Heating ventilation air conditioning system with liquid negative pressure generating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219453224U true CN219453224U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320200069.3U Active CN219453224U (en) | 2023-02-06 | 2023-02-06 | Heating ventilation air conditioning system with liquid negative pressure generating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219453224U (en) |
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2023
- 2023-02-06 CN CN202320200069.3U patent/CN219453224U/en active Active
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