Novel structure for installing electric valve in valve well
By setting up connecting pipes in the valve well and installing electric valve units outside, the problems of secondary grid level imbalance and water accumulation in outdoor valve wells in urban heating systems affecting the installation of electric valves, and the energy-saving operation and hydraulic balance of the heating system are achieved.
Patent Information
- Application Number
- CN202420844729.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The level of the secondary network in urban heating systems is offset, causing the thermal station to increase the temperature supply and flow, resulting in excessive heat and electricity consumption, and water accumulation in outdoor valves affects the installation of electric valves, resulting in complex initial adjustment and large labor investment.
A new structure for installing electric valves on the valve shaft is designed. The first and second connecting pipes are provided in the valve shaft. The electric valve unit is located outside the valve shaft and is connected to the connecting pipes respectively to realize the circulation adjustment of the return water of the heating secondary network.
The problem of water accumulation in outdoor valve wells affecting the installation of electric valves is solved, the working intensity of operation and maintenance personnel is reduced, and the hydraulic balance of the secondary network is achieved through intelligent electric valves, which improves the energy-saving operation capability of the heating system.
Smart Images

Figure CN222732636U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of heat network heating, and specifically relates to a new structure for installing an electric valve in a valve well. Background Art
[0002] At present, urban heating systems generally have different degrees of secondary network level imbalance. In order to meet the heating temperature standards of users on the most unfavorable loop, the thermal power station has to increase the overall temperature and flow of the secondary network, resulting in excessive heat and electricity consumption. In order to solve the problem of hydraulic imbalance in the secondary network, electric valves are generally installed at the thermal inlet of each unit to achieve hydraulic balance adjustment on a unit basis.
[0003] It was found in actual projects that there is generally a certain amount of water accumulation in outdoor valve wells, which affects the installation of electric valves. A manual balancing valve solution has to be adopted, which leads to complicated initial adjustment and large amount of manpower input. The operation and management mode cannot adapt to the rapid development of new technologies such as big data, Internet of Things, artificial intelligence, and cloud computing, which requires energy-saving operation of the heating system. It cannot fundamentally solve the hydraulic and thermal imbalances, resulting in inefficient energy use and high energy consumption of the heating system. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a new structure for installing an electric valve in a valve well.
[0005] The specific plan is as follows:
[0006] A new structure for installing an electric valve in a valve well comprises a first buried pipeline, a second buried pipeline, a valve well and an electric valve unit, wherein a first connecting pipeline and a second connecting pipeline are arranged in the valve well, wherein the first connecting pipeline and the second connecting pipeline are both fixed in the valve well along the depth direction of the valve well, wherein one end of the first connecting pipeline is located in the valve well and is fixedly connected to the first buried pipeline, wherein the other end of the first connecting pipeline is located outside the valve well and is connected to one end of the pipeline of the electric valve unit, wherein one end of the second connecting pipeline is located in the valve well and is fixedly connected to the second buried pipeline, wherein the other end of the second connecting pipeline is located outside the valve well and is connected to the other end of the pipeline of the electric valve unit.
[0007] The electric valve unit comprises an intelligent electric valve and a rain cover, and the intelligent electric valve is sleeved in the rain cover.
[0008] The intelligent electric valve comprises a microprocessor, a temperature sensor and an electric ball valve, and both the electric ball valve and the temperature sensor are electrically connected to the microprocessor.
[0009] The microprocessor is also provided with an RS485 interface and a power interface, and the power interface and the RS485 interface are electrically connected to the microprocessor, and the microprocessor is a single chip microcomputer.
[0010] The first buried pipeline, the second buried pipeline, the first connecting pipeline and the second connecting pipeline are all welded steel pipes, and the pipe diameter range of the welded steel pipes is DN32~DN150.
[0011] The utility model discloses a new structure for installing an electric valve in a valve well, wherein a first connecting pipe and a second connecting pipe are arranged in the valve well, the first connecting pipe and the second connecting pipe are both fixed in the valve well along the depth direction of the valve well, and the length of the first connecting pipe and the length of the second connecting pipe are both greater than the depth of the valve well, an electric valve unit is arranged outside the valve well, the electric valve unit is respectively connected to the first connecting pipe and the second connecting pipe, the first connecting pipe is connected to the first buried pipe, the second connecting pipe is connected to the second buried pipe, the first buried pipe and the second buried pipe are return pipes for a heating secondary network, and the heating return water is returned through the first buried pipe, the first connecting pipe, the electric valve unit, the second connecting pipe and the second buried pipe, thereby solving the problem of difficulty in installing the electric valve when water accumulation exists in an outdoor valve well and reducing the work intensity of operation and maintenance personnel. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0013] Figure 2 It is a structural diagram of the intelligent electric valve.
[0014] Figure 3 It is a schematic diagram of the electrical connection relationship of the intelligent electric valve. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the implementation of the utility model, not all of the implementation. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] like Figure 1As shown, a new structure for installing an electric valve in a valve well includes a first buried pipeline 1, a second buried pipeline 9, a valve well 4 and an electric valve unit 5, wherein a first connecting pipeline 2 and a second connecting pipeline 8 are arranged in the valve well 4, wherein the first connecting pipeline 2 and the second connecting pipeline 8 are both fixed in the valve well 4 along the depth direction of the valve well 4, wherein one end of the first connecting pipeline 2 is located in the valve well 4 and is fixedly connected to the first buried pipeline 1, wherein the other end of the first connecting pipeline 2 is located outside the valve well 4 and is connected to one end of the pipeline of the electric valve unit 5, wherein one end of the second connecting pipeline 8 is located in the valve well 4 and is fixedly connected to the second buried pipeline 9, wherein the other end of the second connecting pipeline 8 is located outside the valve well 4 and is connected to the other end of the pipeline of the electric valve unit 5.
[0017] In this embodiment, the first buried pipeline 1 and the second buried pipeline 9 are buried under the ground 3, the first buried pipeline 1 interface and the second buried pipeline 9 interface are provided in the valve well 4, the first connecting pipeline 2 is fixedly connected to the first ground pipeline 1 through the pipeline interface, the second connecting pipeline 8 is fixedly connected to the second buried pipeline 9 through the pipeline interface, and the electric valve unit 5 is provided outside the valve well, and the electric valve unit 5 is respectively connected to the first connecting pipeline 2 and the second connecting pipeline 8 outside the valve well 4. In this way, the return water pipeline of the heating secondary network circulates back water through the first ground pipeline 1, the first connecting pipeline 2, the electric valve unit 5, the second connecting pipeline 8 and the second buried pipeline 9.
[0018] like Figures 1 to 3 As shown, the electric valve unit 5 includes an intelligent electric valve 6 and a rain cover 7. The intelligent electric valve 6 is sleeved in the rain cover 7. The rain cover 7 is used to protect the intelligent electric valve 6 from rain erosion and sunlight, thereby extending the service life of the intelligent electric valve 6. The rain cover shell 7 is heat-resistant, cold-resistant, anti-aging, and has a long service life.
[0019] The intelligent electric valve 6 includes a microprocessor 12 , a temperature sensor 10 and an electric ball valve 13 . The electric ball valve 13 and the temperature sensor 10 are both electrically connected to the microprocessor 12 .
[0020] The intelligent electric valve adjusts the opening of the electric valve based on the return water temperature of the unit to achieve hydraulic balance in the horizontal direction of the secondary network.
[0021] The microprocessor 12 is also provided with an RS485 interface 11 and a power interface 14, the power interface 14 and the RS485 interface 11 are electrically connected to the microprocessor 12, and the microprocessor 12 is a single chip microcomputer. The power interface is powered by 24VDC or 12VDC, and the RS485 interface is used for remote communication with an external host computer, and the return water temperature is uploaded through the RS485 interface, and the remote adjustment control of the intelligent electric valve 6 can also be performed through the RS485 interface.
[0022] The first buried pipeline 1, the second buried pipeline 9, the first connecting pipeline 2 and the second connecting pipeline 8 are all welded steel pipes, and the pipe diameter range of the welded steel pipes is DN32~DN150.
[0023] The utility model discloses a new structure for installing an electric valve in a valve well, wherein a first connecting pipe and a second connecting pipe are arranged in the valve well, the first connecting pipe and the second connecting pipe are both fixed in the valve well along the depth direction of the valve well, and the length of the first connecting pipe and the length of the second connecting pipe are both greater than the depth of the valve well, an electric valve unit is arranged outside the valve well, the electric valve unit is respectively connected to the first connecting pipe and the second connecting pipe, the first connecting pipe is connected to the first buried pipe, the second connecting pipe is connected to the second buried pipe, the first buried pipe and the second buried pipe are return pipes for a heating secondary network, and the heating return water is returned through the first buried pipe, the first connecting pipe, the electric valve unit, the second connecting pipe and the second buried pipe, thereby solving the problem of difficulty in installing the electric valve when water accumulation exists in an outdoor valve well and reducing the work intensity of operation and maintenance personnel.
[0024] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.
Claims
1. A new structure for installing an electric valve in a valve well, characterized in that: The invention comprises a first buried pipeline (1), a second buried pipeline (9), a valve well (4) and an electric valve unit (5); a first connecting pipeline (2) and a second connecting pipeline (8) are arranged in the valve well (4); the first connecting pipeline (2) and the second connecting pipeline (8) are both fixed in the valve well (4) along the depth direction of the valve well (4); one end of the first connecting pipeline (2) is located in the valve well (4) and is fixedly connected to the first buried pipeline (1); the other end of the first connecting pipeline (2) is located outside the valve well (4) and is connected to one end of the electric valve unit (5); one end of the second connecting pipeline (8) is located in the valve well (4) and is fixedly connected to the second buried pipeline (9); the other end of the second connecting pipeline (8) is located outside the valve well (4) and is connected to the other end of the electric valve unit (5).
2. The new structure for installing an electric valve in a valve well according to claim 1 is characterized in that: The electric valve unit (5) comprises an intelligent electric valve (6) and a rain cover (7), and the intelligent electric valve (6) is sleeved in the rain cover (7).
3. The new structure for installing an electric valve in a valve well according to claim 2 is characterized in that: The intelligent electric valve (6) comprises a microprocessor (12), a temperature sensor (10) and an electric ball valve (13); the electric ball valve (13) and the temperature sensor (10) are both electrically connected to the microprocessor (12).
4. The new structure for installing an electric valve in a valve well according to claim 3 is characterized in that: The microprocessor (12) is also provided with an RS485 interface (11) and a power interface (14); the power interface (14) and the RS485 interface (11) are electrically connected to the microprocessor (12); and the microprocessor (12) is a single-chip microcomputer.
5. The new structure for installing an electric valve in a valve well according to claim 1 is characterized in that: The first buried pipeline (1), the second buried pipeline (9), the first connecting pipeline (2) and the second connecting pipeline (8) are all welded steel pipes, and the pipe diameter of the welded steel pipes ranges from DN32 to DN150.