Intelligent exhaust valve of solar water heater

Abstract

The utility model discloses an intelligent exhaust valve of a solar water heater, which relates to the technical field of exhaust valves and comprises a controller, a connecting exhaust seat is fixedly connected to the bottom end of the controller, a connector and an exhaust port are arranged on the connecting exhaust seat, an exhaust control mechanism is arranged in the connecting exhaust seat, and the exhaust control mechanism is connected with the controller. The end of the controller is connected with an electrifying mechanism, the exhaust control mechanism comprises a fixed seat, the bottom of the fixed seat is slidably connected with a movable seat, and a reset spring is arranged between the movable seat and the fixed seat. According to the intelligent exhaust valve of the solar water heater, the internal pressure of the solar water heater is detected through the pressure sensor, the controller controls the electric push rod to work, the electric push rod drives the lower pressing rod to move downwards, the lower pressing rod moves downwards to push the lifting rod to move upwards, the lifting rod moves upwards to drive the movable seat to move, and the movable seat moves to drive the movable valve plate to move for exhaust and pressure relief; and therefore, the use stability and safety can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust valves, in particular to an intelligent exhaust valve for a solar water heater. Background Art

[0002] A solar water heater is a heating device that converts sunlight energy into thermal energy, heating water from low temperature to high temperature to meet people's needs for hot water in life and production. Installing an exhaust valve on a solar water heater can prevent excessive pressure inside the water heater and improve safety in use. In the prior art, when the exhaust valve on the solar water heater fails during use and is difficult to exhaust in time, the internal pressure of the water heater is excessive, making the stability of use less than ideal.

[0003] For example, patent announcement number CN205939772U specifically discloses a solar water heater exhaust valve; the technical solution adopted is: comprising an exhaust valve cap, the exhaust valve cap has a connecting thread inside, the exhaust valve cap is connected to a connecting part, an exhaust hole is arranged on the outer side of the upper part of the connecting part, the lower part of the connecting part is connected to a receiving part, a movable rod is arranged inside the receiving part, a movable rod base is arranged at the bottom of the movable rod, a movable gasket is arranged on the upper part of the movable rod base, a spring and a bolt are installed on the movable rod passing through the receiving part; the utility model has reliable performance, is safe and convenient, has a small size, occupies less space, is easy to install and maintain, but there is a problem that when the exhaust valve on the solar water heater fails during use and is difficult to exhaust in time, the internal pressure of the water heater is too high, making the stability of use less than ideal. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an intelligent exhaust valve for a solar water heater, which solves the problem that when the exhaust valve on the solar water heater fails during use and it is difficult to exhaust the air in time, the internal pressure of the water heater is too high, making the stability of use less than ideal.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a solar water heater intelligent exhaust valve, including a controller, the bottom end of the controller is fixedly connected to a connection exhaust seat, the connection exhaust seat is provided with an interface and an exhaust port, the connection exhaust seat is provided with an exhaust control mechanism, and the end of the controller is connected to an energizing mechanism;

[0006] The exhaust control mechanism includes a fixed seat, a movable seat is slidably connected to the bottom of the fixed seat, a return spring is provided between the movable seat and the fixed seat, a movable valve plate is fixedly connected to the bottom end of the movable seat, a diaphragm is fixedly connected to the bottom end of the movable valve plate, a pressure sensor is provided between the diaphragm and the movable valve plate, lifting rods are fixedly connected on both sides of the movable seat, an electric push rod is fixedly connected to the top of the fixed seat, a downward pressure rod is fixedly connected on both sides of the output shaft of the electric push rod, a lifting lever is provided at the bottom of the downward pressure rod, and a connecting shaft is provided on the lifting lever.

[0007] Preferably, a mounting bracket is provided on the fixing seat, and the fixing seat is fixedly installed inside the connecting exhaust seat through the mounting bracket.

[0008] Preferably, the cross-sectional area of ​​the movable valve plate is larger than the inner diameter of the interface, and the connecting exhaust seat is connected to the interior of the solar water heater through the interface.

[0009] Preferably, one end of the lifting lever is in contact with the lifting rod, and the other end of the lifting lever is in contact with the pressing rod.

[0010] Preferably, the connecting shaft is arranged on a side of the lifting lever close to the lifting rod, and the lifting lever is rotatably connected to the inner wall of the connecting exhaust seat through the connecting shaft.

[0011] Preferably, the power supply mechanism comprises a winding box, a winding shaft is rotatably connected inside the winding box, and a power cord is provided on the winding shaft.

[0012] Preferably, one end of the power cord is connected to the controller, and the other end of the power cord is fixedly connected to a plug.

[0013] Preferably, a locking screw hole is opened on the front surface of the winding box, a locking screw is threadedly connected inside the locking screw hole, and a locking knob is fixedly connected to the end of the locking screw.

[0014] Beneficial Effects

[0015] The utility model provides an intelligent exhaust valve for solar water heaters. Compared with the prior art, it has the following beneficial effects:

[0016] 1. The intelligent exhaust valve of the solar water heater detects the internal pressure of the solar water heater through a pressure sensor, and the controller controls the electric push rod to work. The electric push rod drives the lower pressure rod to move downward, and the lower pressure rod moves downward to push the lifting rod to move upward. The lifting rod moves upward to drive the movable seat to move, and the movement of the movable seat drives the movable valve plate to move to exhaust and release pressure. The exhaust is actively performed, thereby effectively improving the stability and safety of use.

[0017] 2. The intelligent exhaust valve of the solar water heater pulls the power cord to a suitable length and then turns the locking knob. The rotation of the locking knob drives the locking screw to rotate. The locking screw rotates to cooperate with the locking screw hole to approach the winding shaft and apply pressure to the winding shaft to lock it, thereby preventing the power cord from being too long and effectively improving the flexibility and convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the connection exhaust seat of the utility model;

[0020] Figure 3 It is a schematic diagram of the exhaust control mechanism structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the power supply mechanism of the utility model.

[0022] In the figure: 1. controller; 2. exhaust control mechanism; 201. fixed seat; 202. movable seat; 203. movable valve plate; 204. diaphragm; 205. pressure sensor; 206. return spring; 207. electric push rod; 208. pressing rod; 209. lifting rod; 210. lifting lever; 211. connecting shaft; 3. connecting exhaust seat; 4. power-on mechanism; 401. winding box; 402. winding shaft; 403. power cord; 404. plug; 405. locking knob; 406. locking screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of 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 embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] See also Figure 1-3 The utility model provides a technical solution: an intelligent exhaust valve for a solar water heater, comprising a controller 1, wherein the controller 1 has a built-in M68HC16 single-chip microcomputer, which can play a role in overall control, a connection exhaust seat 3 is fixedly connected to the bottom end of the controller 1, an interface and an exhaust port are arranged on the connection exhaust seat 3, an exhaust control mechanism 2 is arranged inside the connection exhaust seat 3, an energizing mechanism 4 is connected to the end of the controller 1, exhaust can be automatically performed through the exhaust control mechanism 2, and the internal pressure can be detected in real time, and exhaust can be actively performed when a fault occurs and the pressure is abnormal, thereby effectively improving the stability and safety of use.

[0025] The exhaust control mechanism 2 includes a fixed seat 201, on which a mounting frame is provided, and the fixed seat 201 is fixedly installed inside the exhaust connection seat 3 through the mounting frame, and a movable seat 202 is slidably connected to the bottom of the fixed seat 201, and a reset spring 206 is provided between the movable seat 202 and the fixed seat 201, which can reset the movable seat 202, thereby automatically closing the movable valve plate 203 to achieve the function of automatic exhaust, and the bottom end of the movable seat 202 is fixedly connected to the movable valve plate 203, and the cross-sectional area of ​​the movable valve plate 203 is larger than the inner diameter of the interface, so that the movable valve plate 203 can completely cover the interface to prevent air leakage, and the exhaust connection seat 3 is connected to the inside of the solar water heater through the interface, so that the solar water heater can be connected to The exhaust seat 3 is connected to each other so that exhaust can be performed. A diaphragm 204 is fixedly connected to the bottom of the movable valve plate 203 to protect the pressure sensor 205. A pressure sensor 205 is arranged between the diaphragm 204 and the movable valve plate 203. The model of the pressure sensor 205 is set to LPS25HBTR, which can detect the internal pressure of the solar water heater in real time. Lifting rods 209 are fixedly connected to both sides of the movable seat 202. An electric push rod 207 is fixedly connected to the top of the fixed seat 201. A lower pressure rod 208 is fixedly connected to both sides of the output shaft of the electric push rod 207. A lifting lever 210 is arranged at the bottom of the lower pressure rod 208. One end of the lifting lever 210 is in contact with the lifting rod 209. The lifting lever 210 The other end of is in contact with the lower pressure rod 208, and the lifting lever 210 is provided with a connecting shaft 211, and the connecting shaft 211 is arranged on the lifting lever 210 on a side close to the lifting rod 209, and the lifting lever 210 is rotatably connected to the inner wall of the connecting exhaust seat 3 through the connecting shaft 211, so that the lifting lever 210 can rotate around the connecting shaft 211 as the center, and can form two force arms of different lengths to achieve the purpose of saving effort, and the interface connecting the exhaust seat 3 can be covered by the movable valve plate 203. When the internal pressure of the solar water heater is greater than the pressure of the reset spring 206, the pressure pushes the movable valve plate 203 to move up, and the movable valve plate 203 moves up to open the interface, so that the interface is connected to the exhaust hole, and the pressure is released and the exhaust is exhausted. 03 When an adhesion failure occurs, it becomes more difficult for the movable valve plate 203 to move under pressure, and the pressure sensor 205 detects the internal pressure of the solar water heater and transmits the pressure signal to the controller 1. The controller 1 processes the signal. When the pressure threshold is exceeded, the controller 1 controls the electric push rod 207 to work, and the electric push rod 207 drives the lower pressure rod 208 to move downward. The downward movement of the lower pressure rod 208 pushes the long lever arm of the lifting lever 210 to rotate, and the rotation of the long lever arm drives the short lever arm to rotate. The rotation of the short lever arm drives the lifting rod 209 to move upward, and the upward movement of the lifting rod 209 drives the movable seat 202 to move, and the movement of the movable seat 202 drives the movable valve plate 203 to move, and exhaust and pressure relief are performed, and exhaust is actively performed, thereby effectively improving the stability and safety of use.

[0026] See also Figure 1 and Figure 4 The power-on mechanism 4 includes a winding box 401, and a winding shaft 402 is rotatably connected inside the winding box 401. The winding shaft 402 is provided with a power cord 403, one end of the power cord 403 is connected to the controller 1, and the other end of the power cord 403 is fixedly connected to a plug 404. A locking screw hole is opened on the front side surface of the winding box 401, and a locking screw 406 is threadedly connected inside the locking screw hole, and a locking knob 405 is fixedly connected to the end of the locking screw 406. The power cord 403 can be pulled out to a suitable length and then the locking knob 405 is rotated. The locking knob 405 rotates to drive the locking screw 406 to rotate, and the locking screw 406 rotates to cooperate with the locking screw hole to approach the winding shaft 402 and apply pressure to the winding shaft 402 to lock it, thereby preventing the power cord 403 from being too long, and effectively improving the flexibility and convenience of use.

[0027] During operation, the movable valve plate 203 covers the interface connected to the exhaust seat 3. When the internal pressure of the solar water heater is greater than the pressure of the return spring 206, the pressure pushes the movable valve plate 203 to move upward, and the movable valve plate 203 moves upward to open the interface, so that the interface is connected to the exhaust hole to relieve pressure and exhaust. When the movable valve plate 203 has an adhesion failure, the difficulty of the movable valve plate 203 moving under pressure increases. The pressure sensor 205 detects the internal pressure of the solar water heater and transmits the pressure signal to the controller 1. The controller 1 processes the signal. When the pressure threshold is exceeded, the controller 1 controls the electric push rod 207 to work. The electric push rod 207 drives the lower pressure rod 208 to move downward. The lower pressure rod 208 moves downward to push the long lever arm of the lifting lever 210 to rotate. The rotation of the long lever arm drives the short lever arm to rotate. The rotation of the short lever arm pushes the lifting rod 209 to move upward. The lifting rod 209 moves upward to drive the movable seat 202 to move. The movement of the movable seat 202 drives the movable valve plate 203 to move, exhaust pressure relief, and active exhaust, thereby effectively improving the stability and safety of use.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A solar water heater intelligent exhaust valve, comprising a controller (1), characterized in that: The bottom end of the controller (1) is fixedly connected to a connecting exhaust seat (3), the connecting exhaust seat (3) is provided with an interface and an exhaust port, an exhaust control mechanism (2) is provided inside the connecting exhaust seat (3), and the end of the controller (1) is connected to a power supply mechanism (4); The exhaust control mechanism (2) comprises a fixed seat (201), a movable seat (202) is slidably connected to the bottom of the fixed seat (201), a return spring (206) is provided between the movable seat (202) and the fixed seat (201), a movable valve plate (203) is fixedly connected to the bottom end of the movable seat (202), a diaphragm (204) is fixedly connected to the bottom end of the movable valve plate (203), a pressure sensor (205) is provided between the diaphragm (204) and the movable valve plate (203), lifting rods (209) are fixedly connected to both sides of the movable seat (202), an electric push rod (207) is fixedly connected to the top of the fixed seat (201), a pressing rod (208) is fixedly connected to both sides of the output shaft of the electric push rod (207), a lifting lever (210) is provided at the bottom of the pressing rod (208), and a connecting shaft (211) is provided on the lifting lever (210).

2. The intelligent exhaust valve for solar water heater according to claim 1, characterized in that: The fixing seat (201) is provided with a mounting frame, and the fixing seat (201) is fixedly mounted inside the connecting exhaust seat (3) via the mounting frame.

3. The intelligent exhaust valve for solar water heater according to claim 1, characterized in that: The cross-sectional area of ​​the movable valve plate (203) is larger than the inner diameter of the interface, and the connecting exhaust seat (3) is connected to the interior of the solar water heater through the interface.

4. The intelligent exhaust valve for solar water heater according to claim 1, characterized in that: One end of the lifting lever (210) contacts the lifting rod (209), and the other end of the lifting lever (210) contacts the pressing rod (208).

5. The intelligent exhaust valve for solar water heater according to claim 1, characterized in that: The connecting shaft (211) is arranged on a side of the lifting lever (210) close to the lifting rod (209), and the lifting lever (210) is rotatably connected to the inner wall of the connecting exhaust seat (3) via the connecting shaft (211).

6. The intelligent exhaust valve for solar water heater according to claim 1, characterized in that: The power supply mechanism (4) comprises a winding box (401), a winding shaft (402) is rotatably connected inside the winding box (401), and a power line (403) is provided on the winding shaft (402).

7. The intelligent exhaust valve for solar water heater according to claim 6, characterized in that: One end of the power cord (403) is connected to the controller (1), and the other end of the power cord (403) is fixedly connected to a plug (404).

8. The intelligent exhaust valve for solar water heater according to claim 6, characterized in that: A locking screw hole is provided on the front surface of the winding box (401), a locking screw rod (406) is threadedly connected inside the locking screw hole, and a locking knob (405) is fixedly connected to the end of the locking screw rod (406).

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