CN219734243U - Hot inlet flow regulating valve in central heating system - Google Patents
Hot inlet flow regulating valve in central heating system Download PDFInfo
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- CN219734243U CN219734243U CN202321158552.6U CN202321158552U CN219734243U CN 219734243 U CN219734243 U CN 219734243U CN 202321158552 U CN202321158552 U CN 202321158552U CN 219734243 U CN219734243 U CN 219734243U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 54
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 4
- 239000012530 fluid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model provides a flow regulating valve for a hot inlet in a central heating system, which relates to the field of central heating systems and comprises a valve body and a valve core, wherein a water inlet and a water outlet are respectively arranged at the left end and the right end of the valve body, connecting flanges are respectively arranged on the valve body at the water inlet and the water outlet, the valve core can be freely rotated and is arranged in the valve body between the water inlet and the water outlet, a water inlet flow passage and a water outlet flow passage are arranged on the valve body between the valve core and the water inlet and the water outlet, a flow blocking plate matched with the valve core is arranged in the water inlet flow passage and the water outlet flow passage and adjacent to the valve core, a flow regulating port is arranged on the flow blocking plate, the flow regulating port comprises a rectangular linear regulating part and a triangular fine regulating part, and the valve core comprises a valve core blocking part which is matched with the flow blocking plate and can seal or completely open the flow regulating port. The device has the advantages of simple structure, high flow regulation sensitivity coefficient in a small opening range, small error between the target flow and the actual flow, good temperature control effect and the like.
Description
Technical Field
The utility model relates to the field of central heating systems, in particular to a flow regulating valve for a hot inlet in a central heating system.
Background
The central heating system is composed of a heat source, a heating pipe network and a heat user, wherein hot water generated by the heat source is supplied to heat required by production, heating and life of a town or a partial area through the heating pipe network; residential building, office building are the biggest heat user in the central heating system, and the central heating's target is for the heat user provides a stable life of temperature, operational environment.
The heating pipe network in the central heating system is connected with heating equipment of a heat user through a heat inlet flow regulating valve, and the opening angle of the heat inlet flow regulating valve is controlled to regulate the flow of hot water supplied to the heat user, so that the indoor temperature of the heat user is controlled.
The heating power inlet flow regulating valve in the existing central heating system comprises a valve body, a valve core and a valve cover, wherein a water inlet and a water outlet are respectively arranged at the left end and the right end of the valve body, connecting flange plates are respectively arranged on the valve body at the water inlet and the water outlet, the valve core can freely rotate and is arranged in the valve body between the water inlet and the water outlet, the valve cover is arranged on the valve body at the upper part of the valve core, and the lower part of the valve core can be rotatably sealed in the valve body. A rectangular water inlet flow channel and a rectangular water outlet flow channel are arranged on the valve body between the valve core and the water inlet and the water outlet, and a rectangular valve core flow channel which can be used for communicating the water inlet flow channel with the water outlet flow channel is arranged on the valve core. When the valve core is rotated, the valve is opened when the rectangular valve core runner is used for communicating the water inlet with the water outlet, and the valve is closed when the valve core is used for isolating the water inlet from the water outlet. When the heating power inlet flow regulating valve in the central heating system needs to be regulated in a small opening range at the initial stage and the final stage of heating, the flow change amount is large, the regulating precision is low, the errors of the target flow and the actual flow are large, and the temperature control effect is poor.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, and provides the heat inlet flow regulating valve in the central heating system, which has the advantages of simple structure, small flow change, high regulating precision, small error between the target flow and the actual flow and good temperature control effect when regulating in a small opening range.
The utility model solves the defects of the prior art, adopts the following technical proposal:
the utility model provides a centralized heating system's hot inlet flow control valve, includes valve body and case, and both ends are equipped with water inlet and delivery port respectively about the valve body, are equipped with the flange dish respectively on the valve body of water inlet and delivery port department, in the valve body that the case can freely rotate set up between water inlet and the delivery port, be equipped with inlet runner and outlet runner on the valve body between case and water inlet and the delivery port, its characterized in that, inlet runner and/or outlet runner are equipped with the fender that cooperatees with the case in the place adjacent to the case, are equipped with the flow control mouth on the fender, the flow control mouth includes the linear regulation portion that is the rectangle and the fine setting portion that is the triangle-shaped, the case include with the cooperation of fender, can seal the flow control mouth or open the case that separates the fender portion entirely.
In some embodiments, a baffle plate matched with the valve core is arranged in the water inlet flow channel and adjacent to the valve core.
The valve core comprises a transmission shaft and an arc-shaped baffle plate, wherein the transmission shaft can be freely rotatably arranged between the water inlet flow channel and the water outlet flow channel, and the baffle plate is arranged on the transmission shaft through a supporting arm. The transmission shaft is rotated to drive the baffle plate and the flow baffle plate to relatively move so as to seal or open the flow regulating port; the baffle plate is a valve core baffle part.
In some embodiments, the baffle plate is in a rectangular plate shape with a concave radian.
The water inlet flow channel and the water outlet flow channel are rectangular.
The fine adjustment part is positioned at the left part of the flow baffle, the linear adjustment part is positioned at the right part of the flow baffle, and the central angle corresponding to the linear adjustment part on the flow baffle is smaller than the central angle corresponding to the fine adjustment part on the flow baffle. When the valve core moves rightwards relative to the flow baffle plate, the valve is gradually opened from the tip at the leftmost side of the fine adjustment part of the flow adjustment port; when the valve core moves leftwards relative to the flow baffle plate, the valve is gradually closed from the rightmost side of the linear adjusting part of the flow adjusting port.
In the use process of the utility model, when the regulating valve is regulated within the small opening range according to the heating requirement, the flow regulating port within the small opening range is triangular, and after the regulating valve rotates for a fixed angle, the flow change amount of heating fluid is small, the flow regulating precision is high, and the temperature of a heat user can be accurately controlled. When the air temperature is low and the heat energy loss rate of a heat user is high, the regulating valve is regulated by the linear regulating part with the rectangular flow regulating port, and the regulating linearity is high. The utility model gives consideration to the adjustment linearity in a large opening range and the adjustment sensitivity coefficient in a small opening range.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a right side view of fig. 1.
Fig. 3 and 4 are schematic perspective views of the utility model with the valve core removed.
Fig. 5 and 6 are schematic perspective views of a valve element according to the present utility model.
Detailed Description
The heating power inlet flow regulating valve in the central heating system shown in fig. 1 and 2 comprises a valve body 2, a valve core 1 and a valve cover, wherein the valve body 2 is specifically structured as shown in fig. 3 and 4, a water inlet and a water outlet are respectively arranged at the left end and the right end of the valve body 2, a connecting flange plate 3 is respectively arranged on the valve body at the water inlet and the water outlet, a valve core mounting cavity 7 is arranged in the middle of the valve body 2, the valve core can be freely rotated and is arranged in the valve core mounting cavity 7 between the water inlet and the water outlet, the valve cover is arranged on the valve body at the upper part of the valve core, and the lower part of the valve core is rotatably sealed in the valve core mounting cavity. A rectangular water inlet flow channel and a rectangular water outlet flow channel are respectively arranged on the valve body between the valve core mounting cavity 7 and the water inlet and outlet, an arc-shaped flow baffle plate 4 matched with the valve core is arranged in the water inlet flow channel and adjacent to the valve core, and a flow regulating port is arranged on the flow baffle plate 4. As can be seen from fig. 5 and 6, the valve core comprises a transmission shaft 9 and an arc-shaped baffle plate 10, and the baffle plate 10 is in a rectangular plate shape with radian; the transmission shaft 9 can be freely rotatably arranged in the valve core installation cavity 7 between the water inlet flow channel and the water outlet flow channel, and the baffle plate 10 is arranged on the transmission shaft through the support arm 8; the baffle plate and the flow baffle plate can slide relatively and radially seal and lean against each other, and the transmission shaft is rotated to drive the baffle plate and the flow baffle plate to move relatively so as to seal or open the flow regulating port; the valve core with the structure has the advantages of simple structure, less material consumption and light weight. The flow regulating port comprises a rectangular linear regulating part 6 and a triangular fine regulating part 5, the fine regulating part 5 is positioned on the left part of the flow baffle, the linear regulating part 6 is positioned on the right part of the flow baffle, and the right side edge of the fine regulating part is overlapped with the left side edge of the linear regulating part to form a flow regulating port with a triangle leftmost corner; the central angle corresponding to the linear adjusting part on the flow baffle is smaller than the central angle corresponding to the fine adjusting part on the flow baffle; when the baffle moves rightwards relative to the baffle, the valve is gradually opened from the tip at the leftmost side of the fine adjustment part of the flow adjusting port; when the baffle moves leftwards relative to the baffle, the valve is gradually closed from the rightmost side of the linear adjusting part of the flow adjusting port.
In the use process of the utility model, when the regulating valve is regulated within the small opening range according to the heating requirement, as the corresponding flow regulating port within the small opening range is the triangular fine-tuning part, after the valve core rotates by a fixed angle, the flow change amount of heating fluid is small, the flow regulation precision is high, and the temperature of a heat user can be accurately controlled, especially when the tip end part of the triangular fine-tuning part is regulated, the flow change amount can be accurately controlled. When the air temperature is low, the heat energy loss rate of the heat user is high, the temperature change speed of the heat user is high, the regulating valve is regulated by the linear regulating part with the rectangular flow regulating port, after the valve core rotates by a fixed angle, the flow change amount of heating fluid is large, the heat energy regulating range is wide, and the regulating linearity is high. The utility model gives consideration to the adjustment linearity in the large opening range and the adjustment sensitivity in the small opening range, has high flow adjustment precision, and has the advantages of simple structure, high flow adjustment precision in the small opening range, small error between the target flow and the actual flow, good temperature control effect of a heat user, and the like.
Claims (5)
1. The utility model provides a centralized heating system's hot inlet flow control valve, includes valve body and case, and both ends are equipped with water inlet and delivery port respectively about the valve body, are equipped with the flange dish on the valve body of water inlet and delivery port department respectively, in the valve body between water inlet and delivery port is installed in the valve body to the case free rotation, be equipped with water inlet runner and water outlet runner on the valve body between case and water inlet and the delivery port, its characterized in that, be equipped with in the water outlet runner with case matched with fender flow plate in the vicinity department, be equipped with the flow control mouth on the fender flow plate, the flow control mouth is including being rectangular linear regulation portion and being triangle-shaped's micromatic setting portion, the case include with fender flow plate cooperation, can seal the flow control mouth or open the case separation stop portion entirely.
2. A heat input flow regulating valve in a central heating system according to claim 1, wherein the valve core comprises a transmission shaft and an arc-shaped baffle plate, the transmission shaft is rotatably arranged between the water inlet flow channel and the water outlet flow channel, and the baffle plate is arranged on the transmission shaft through a supporting arm.
3. A heat input flow regulating valve as set forth in claim 2 wherein said inlet and outlet flow paths are rectangular.
4. A heat input flow regulating valve in a central heating system as claimed in claim 3, wherein said baffle is in the form of a rectangular plate with a concave curvature.
5. A heat input flow regulating valve as set forth in any one of claims 1-4 wherein said fine adjustment portion is located at a left portion of the baffle plate and said linear adjustment portion is located at a right portion of the baffle plate, wherein a central angle of the linear adjustment portion on the baffle plate is smaller than a central angle of the fine adjustment portion on the baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158552.6U CN219734243U (en) | 2023-05-11 | 2023-05-11 | Hot inlet flow regulating valve in central heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321158552.6U CN219734243U (en) | 2023-05-11 | 2023-05-11 | Hot inlet flow regulating valve in central heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734243U true CN219734243U (en) | 2023-09-22 |
Family
ID=88025322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321158552.6U Active CN219734243U (en) | 2023-05-11 | 2023-05-11 | Hot inlet flow regulating valve in central heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734243U (en) |
-
2023
- 2023-05-11 CN CN202321158552.6U patent/CN219734243U/en active Active
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