Water replenishing energy-saving device for heat supply secondary network

Abstract

The utility model relates to the technical field of heat exchange station water replenishing, in particular to a heat supply secondary network water replenishing energy-saving device which can automatically replenish water into a water storage tank according to the liquid level in the water storage tank, and is high in automation degree, convenient to use and high in practicability, and workers do not need to detect the water in real time. Comprising a bottom plate, a support and a water storage tank, the water storage tank is fixedly installed at the upper end of the bottom plate through the support, and a water cavity is formed in the water storage tank; the system further comprises a controller, a liquid level detection device and a water conveying device, the liquid level detection device is installed on the water storage tank and used for detecting the liquid level in a water cavity of the water storage tank, the water conveying device is installed on the water storage tank and used for conveying water into the water cavity of the water storage tank, and the liquid level detection device and the water conveying device are both connected with the controller. The controller is used for controlling the water conveying device.

Description

Technical Field

[0001] The utility model relates to the technical field of water replenishment of a heat exchange station, in particular to a water replenishment energy-saving device for a heating secondary network. Background Art

[0002] The heating secondary network is an important part of the centralized heating system. It refers to the hot water pipe network from the heat exchange station of the heating community to the entrance of the heating user building. In the heat exchange station in the heating secondary network, the water in the primary network is heat exchanged with the water in the secondary network, so that the water in the secondary network can be heated up and used by people in the community; because the pipes in the heating secondary network may be damaged, leaked or leaked during daily use, resulting in a decrease in water pressure, it is necessary to regularly add water to the water reservoir of the heating secondary network to ensure the water pressure in the secondary network. In the prior art, the utility model patent with patent application number 202321640094.X discloses a water replenishment device for a heating heat exchange station, which mainly relies on the staff to turn on the water pump and transport water to the heat exchange station through the water pump for water replenishment; the inventor believes that there are the following problems in its use: it can only manually control the water pump to replenish water in the water tank after the staff finds that the water pressure in the heat exchange station in the secondary network has decreased, and it cannot automatically replenish water according to the water pressure. It has a low degree of automation, is inconvenient to use, and has poor reliability. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a heating secondary network water replenishment energy-saving device which can automatically replenish water into a water tank according to the liquid level in the water tank, has a high degree of automation, does not require real-time detection by staff, is easy to use, and has high practicality.

[0004] The utility model provides a heating secondary network water replenishment energy-saving device, comprising a base plate, a bracket and a water tank, wherein the water tank is fixedly mounted on the upper end of the base plate through the bracket, and a water cavity is arranged in the water tank; the utility model also includes a controller, a liquid level detection device and a water delivery device, wherein the liquid level detection device is mounted on the water tank, the liquid level detection device is used to detect the liquid level in the water cavity of the water tank, the water delivery device is mounted on the water tank, the water delivery device is used to deliver water to the water cavity of the water tank, the liquid level detection device and the water delivery device are both connected to the controller, and the controller is used to control the water delivery device; the water tank is a water tank in a secondary network heat exchange station, and the water tank is connected to the heating in the secondary network Pipeline connection; when the water tank is in use, the liquid level in the water tank is monitored in real time by the liquid level detection device. When the liquid level in the water tank is too low, the liquid level detection device transmits a low liquid level signal to the controller, and then the controller controls the water delivery device to deliver water to the water tank. When the liquid level in the water tank is higher than a specified height, the liquid level detection device transmits a signal to the controller, and then the controller controls the water delivery device to stop delivering water to the water cavity of the water tank. It can automatically replenish water into the water tank according to the liquid level in the water tank, has a high degree of automation, does not require real-time detection by staff, is easy to use, and has high practicality.

[0005] Preferably, the water delivery device includes a water pump, a water delivery pipe and a water inlet pipe. The water pump is fixedly mounted on the water tank, the input end of the water pump is connected to the water delivery pipe, the output end of the water pump is connected to the water cavity of the water tank through the water inlet pipe, and the water pump is connected to a controller; the water delivery pipe is connected to an external water source, and when the controller turns on the water pump, water enters the water cavity of the water tank via the water delivery pipe, the water pump and the water inlet pipe in sequence, which makes it convenient to add water to the water cavity of the water tank and improves convenience.

[0006] Preferably, the liquid level detection device includes a lifting device, a slide rail, a sliding block, a floating ball, a connecting rod, a pressure rod and a travel switch, the slide rail is fixedly installed in the water cavity of the water tank, the sliding block is slidably installed on the slide rail, the floating ball is fixedly installed on the sliding block, the floating ball is located in the water cavity of the water tank, the connecting rod is fixedly installed on the upper end of the floating ball, the upper end of the water tank is provided with an opening, the middle part of the connecting rod passes through the opening at the upper end of the water tank, the pressure rod is fixedly installed on the upper end of the connecting rod, the pressure rod is located above the travel switch, the travel switch is installed on the water tank through the lifting device, the lifting device is used to adjust the height of the travel switch, the travel switch is connected to the controller, the connecting rod, the sliding block and the pressure rod The rods are all made of lightweight plastic; the float floats in the water cavity of the water tank. When the liquid level in the water cavity of the water tank drops, the float drives the connecting rod and the pressure rod to drop until the pressure rod drops to contact with the travel switch. At this time, the travel switch transmits a signal to the controller. After receiving the signal, the controller turns on the water pump to transport water to the water tank. After that, the liquid level in the water tank rises, and the float drives the connecting rod and the pressure rod to rise until the pressure rod is out of contact with the travel switch. At this time, the travel switch stops sending signals to the controller, and the controller turns off the water pump to stop transporting water to the water tank. It facilitates automatic water transport into the water cavity of the water tank. It is easy to use and highly practical.

[0007] Preferably, the lifting device includes a vertical plate, a fixed plate, a servo motor, a screw and a slider. The vertical plate is fixedly mounted on the bracket, the fixed plate is fixedly mounted on the vertical plate, the servo motor is fixedly mounted on the fixed plate, the screw is rotatably mounted on the fixed plate, the upper end of the screw is connected to the output end of the servo motor, the slider is screwed to the screw, the slider is mounted on the vertical plate for sliding up and down, and the travel switch is fixedly mounted on the slider; turn on the servo motor, the servo motor drives the screw to rotate, and the rotating screw can simultaneously adjust the height of the travel switch with the slider. If the height of the travel switch is lowered, the pressure rod will contact the travel switch only when the liquid level in the water tank chamber drops lower. If the travel switch is raised, the water replenishment level in the water tank chamber can be increased. The staff can adjust the water replenishment level in the water tank according to actual conditions. It is easy to use and highly practical.

[0008] Preferably, it also includes a pointer and a scale, the pointer is fixedly mounted on the slider, the pointer points to the scale, and the scale is fixedly mounted on the vertical plate; when adjusting the height of the travel switch, the staff can infer the height of the travel switch by observing the value of the scale pointed by the pointer, thereby improving convenience.

[0009] Preferably, a heat-insulating layer is provided on the water tank; through the above arrangement, the heat loss of water in the water tank is reduced, energy is saved, and the use is convenient.

[0010] Preferably, a heater is provided on the water tank, and the output end of the heater is located in the water cavity of the water tank; when the water temperature in the water tank decreases due to water replenishment, the heater is turned on to heat the water in the water cavity of the water tank to the required heating temperature.

[0011] Compared with the prior art, the utility model has the following beneficial effects: water can be automatically added to the water tank according to the liquid level in the water tank, the degree of automation is high, no real-time detection by staff is required, the use is convenient, and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the fixed plate, servo motor and lead screw;

[0015] Figure 4 It is a schematic diagram of the structure of the water pump, water inlet pipe and water delivery pipe;

[0016] Figure 5 yes Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0017] Markings in the attached figure: 1. base plate; 2. bracket; 3. water tank; 4. water pump; 5. water pipe; 6. water inlet pipe; 7. slide rail; 8. sliding block; 9. float; 10. connecting rod; 11. pressure rod; 12. travel switch; 13. vertical plate; 14. fixed plate; 15. servo motor; 16. screw; 17. slider; 18. pointer; 19. ruler. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 5The utility model of the heating secondary network water replenishment energy-saving device comprises a base plate 1, a bracket 2, a water tank 3, a controller, a liquid level detection device and a water delivery device. The water tank 3 is fixedly mounted on the upper end of the base plate 1 through the bracket 2. A water cavity is arranged in the water tank 3. The liquid level detection device is mounted on the water tank 3. The liquid level detection device is used to detect the liquid level in the water cavity of the water tank 3. The water delivery device is mounted on the water tank 3. The water delivery device is used to deliver water to the water cavity of the water tank 3. The liquid level detection device and the water delivery device are both connected to the controller. The controller is used to control the water delivery device. The water tank 3 is a water storage tank in the secondary network heat exchange station. The water tank 3 is connected to the secondary network heat exchange station. Hot pipe connection; when the water tank 3 is in use, the liquid level in the water tank 3 is monitored in real time by the liquid level detection device. When the liquid level in the water tank 3 is too low, the liquid level detection device transmits a low liquid level signal to the controller, and then the controller controls the water delivery device to deliver water to the water tank 3. After the liquid level in the water tank 3 is higher than the specified height, the liquid level detection device transmits a signal to the controller, and then the controller controls the water delivery device to stop delivering water to the water cavity of the water tank 3; it can automatically replenish water into the water tank 3 according to the liquid level in the water tank 3, with a high degree of automation, no need for real-time detection by staff, easy to use, and high practicality.

[0021] like Figure 1 and Figure 4 The water delivery device includes a water pump 4, a water delivery pipe 5 and a water inlet pipe 6. The water pump 4 is fixedly installed on the water tank 3. The input end of the water pump 4 is connected to the water delivery pipe 5. The output end of the water pump 4 is connected to the water cavity of the water tank 3 through the water inlet pipe 6. The water pump 4 is connected to the controller; the water delivery pipe 5 is connected to an external water source. When the controller turns on the water pump 4, water enters the water cavity of the water tank 3 through the water delivery pipe 5, the water pump 4 and the water inlet pipe 6 in sequence, which facilitates the replenishment of water into the water cavity of the water tank 3 and improves convenience.

[0022] like Figure 3The liquid level detection device includes a lifting device, a slide rail 7, a sliding block 8, a floating ball 9, a connecting rod 10, a pressure rod 11 and a travel switch 12. The slide rail 7 is fixedly installed in the water cavity of the water tank 3. The sliding block 8 is slidably installed on the slide rail 7. The floating ball 9 is fixedly installed on the sliding block 8. The floating ball 9 is located in the water cavity of the water tank 3. The connecting rod 10 is fixedly installed on the upper end of the floating ball 9. The upper end of the water tank 3 is provided with an opening. The middle part of the connecting rod 10 passes through the opening at the upper end of the water tank 3. The pressure rod 11 is fixedly installed on the upper end of the connecting rod 10. The pressure rod 11 is located above the travel switch 12. The travel switch 12 is installed on the water tank 3 through the lifting device. The lifting device is used to adjust the height of the travel switch 12. The travel switch 12 is connected to the controller. The connecting rod 10, the sliding block 8 and The pressure rod 11 is made of lightweight plastic; the float 9 floats in the water cavity of the water tank 3. When the liquid level in the water cavity of the water tank 3 decreases, the float 9 drives the connecting rod 10 and the pressure rod 11 to descend until the pressure rod 11 descends to contact with the travel switch 12. At this time, the travel switch 12 transmits a signal to the controller. After receiving the signal, the controller turns on the water pump 4 to transport water into the water tank 3. After that, the liquid level in the water tank 3 rises, and the float 9 drives the connecting rod 10 and the pressure rod 11 to rise until the pressure rod 11 is out of contact with the travel switch 12. At this time, the travel switch 12 stops sending signals to the controller, and the controller turns off the water pump 4 to stop transporting water into the water tank 3. It facilitates automatic water transportation into the water cavity of the water tank 3, is easy to use, and has high practicality.

[0023] like Figure 3 , the lifting device includes a vertical plate 13, a fixed plate 14, a servo motor 15, a lead screw 16 and a slider 17. The vertical plate 13 is fixedly mounted on the bracket 2, the fixed plate 14 is fixedly mounted on the vertical plate 13, the servo motor 15 is fixedly mounted on the fixed plate 14, the lead screw 16 is rotatably mounted on the fixed plate 14, the upper end of the lead screw 16 is connected to the output end of the servo motor 15, the slider 17 is screwed with the lead screw 16, the slider 17 is slidably mounted on the vertical plate 13 up and down, and the travel switch 12 is fixedly mounted on the slider 17; turn on the servo motor 15, the servo motor 15 drives the lead screw 16 to rotate, and the rotating lead screw 16 can simultaneously adjust the height of the travel switch 12 with the slider 17. If the height of the travel switch 12 is lowered, the pressure rod 11 will contact the travel switch 12 when the liquid level in the chamber of the water storage tank 3 drops lower. If the travel switch 12 is raised, the water replenishment level in the chamber of the water storage tank 3 can be increased. The staff can adjust the water replenishment level in the water storage tank 3 according to actual conditions. It is easy to use and has high practicality.

[0024] The water storage tank 3 is provided with a heat preservation layer; through the above arrangement, the heat loss of water in the water storage tank 3 is reduced, energy is saved, and it is convenient to use.

[0025] A heater is provided on the water tank 3, and the output end of the heater is located in the water cavity of the water tank 3; when the water temperature in the water tank 3 decreases due to water replenishment, the heater is turned on to heat the water in the water cavity of the water tank 3 to the required heating temperature.

[0026] Example 2

[0027] like Figure 1 , Figure 3 and Figure 5 On the basis of Example 1, a pointer 18 and a scale 19 are additionally provided; the pointer 18 is fixedly mounted on the slider 17, the pointer 18 points to the scale 19, and the scale 19 is fixedly mounted on the vertical plate 13; when adjusting the height of the travel switch 12, the staff can infer the height of the travel switch 12 by observing the value of the scale 19 pointed by the pointer 18, thereby improving convenience.

[0028] The water pump 4, controller, travel switch 12, float 9 and scale 19 of the heating secondary network water replenishment energy-saving device of the utility model are all purchased on the market. Technical personnel in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A heating secondary network water replenishment energy-saving device, comprising a base plate (1), a bracket (2) and a water storage tank (3), wherein the water storage tank (3) is fixedly mounted on the upper end of the base plate (1) through the bracket (2), and a water cavity is arranged in the water storage tank (3); characterized in that: It also comprises a controller, a liquid level detection device and a water delivery device, wherein the liquid level detection device is mounted on the water storage tank (3) and is used to detect the liquid level in the water cavity of the water storage tank (3); the water delivery device is mounted on the water storage tank (3) and is used to deliver water to the water cavity of the water storage tank (3); the liquid level detection device and the water delivery device are both connected to the controller and the controller is used to control the water delivery device.

2. A heating secondary network water replenishment energy-saving device as claimed in claim 1, characterized in that: The water delivery device comprises a water pump (4), a water delivery pipe (5) and a water inlet pipe (6); the water pump (4) is fixedly mounted on the water storage tank (3); the input end of the water pump (4) is connected to the water delivery pipe (5); the output end of the water pump (4) is connected to the water cavity of the water storage tank (3) via the water inlet pipe (6); and the water pump (4) is connected to a controller.

3. A heating secondary network water replenishment energy-saving device as claimed in claim 1, characterized in that: The liquid level detection device comprises a lifting device, a slide rail (7), a sliding block (8), a floating ball (9), a connecting rod (10), a pressure rod (11) and a travel switch (12); the slide rail (7) is fixedly mounted in a water cavity of a water storage tank (3); the sliding block (8) is mounted on the slide rail (7) to slide up and down; the floating ball (9) is fixedly mounted on the sliding block (8); the floating ball (9) is located in the water cavity of the water storage tank (3); the connecting rod (10) is fixedly mounted on the upper end of the floating ball (9); the upper end of the water storage tank (3) is fixedly mounted on the upper end of the floating ball (9); An opening is arranged at the end, the middle part of the connecting rod (10) passes through the opening at the upper end of the water storage tank (3), the pressure rod (11) is fixedly mounted on the upper end of the connecting rod (10), the pressure rod (11) is located above the travel switch (12), the travel switch (12) is mounted on the water storage tank (3) through a lifting device, the lifting device is used to adjust the height of the travel switch (12), the travel switch (12) is connected to the controller, and the connecting rod (10), the sliding block (8) and the pressure rod (11) are all made of light plastic material.

4. A heating secondary network water replenishment energy-saving device as claimed in claim 3, characterized in that: The lifting device comprises a vertical plate (13), a fixed plate (14), a servo motor (15), a lead screw (16) and a slider (17); the vertical plate (13) is fixedly mounted on the bracket (2); the fixed plate (14) is fixedly mounted on the vertical plate (13); the servo motor (15) is fixedly mounted on the fixed plate (14); the lead screw (16) is rotatably mounted on the fixed plate (14); the upper end of the lead screw (16) is connected to the output end of the servo motor (15); the slider (17) is screwed to the lead screw (16); the slider (17) is slidably mounted on the vertical plate (13) up and down; and the travel switch (12) is fixedly mounted on the slider (17).

5. A heating secondary network water replenishment energy-saving device as claimed in claim 4, characterized in that: It also comprises a pointer (18) and a scale (19), wherein the pointer (18) is fixedly mounted on the slider (17), the pointer (18) points to the scale (19), and the scale (19) is fixedly mounted on the vertical plate (13).

6. A heating secondary network water replenishment energy-saving device as claimed in claim 1, characterized in that: The water storage tank (3) is provided with a heat-insulating layer.

7. A heating secondary network water replenishment energy-saving device as claimed in claim 1, characterized in that: The water storage tank (3) is provided with a heater, and the output end of the heater is located in the water cavity of the water storage tank (3).

Images