Household balance valve for detecting water loss of indoor pipeline

Abstract

The utility model relates to the technical field of connecting pieces, and particularly discloses a user-side balance valve for detecting water loss of an indoor pipeline, which comprises a valve main body, a valve ball is rotatably connected in the valve main body, an actuator is fixedly connected to the upper end of the valve main body, and the actuator is fixedly connected with one end of a temperature sensor cable. The lower end of the valve body is provided with a ceramic piezoelectric plate, the lower end of the ceramic piezoelectric plate is provided with a bottom cover, the bottom cover is in threaded connection with the lower end of the valve body, the lower end of the ceramic piezoelectric plate is connected with a ceramic piezoelectric plate cable, and the ceramic piezoelectric plate cable penetrates through the bottom cover. A hole communicated with the ceramic piezoelectric plate is formed in the lower end of the valve ball. Once water loss occurs in a user room, the pressure of the water inlet pipe can be greatly reduced, the piezoelectric ceramic piece detects the huge change of the pressure, interference factors are eliminated according to an algorithm, and if a preset water loss parameter index is met, it can be judged that water loss occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pieces, in particular to a household end balancing valve for detecting water loss in indoor pipelines. Background Art

[0002] Water loss in users is an unpredictable problem. Once water is lost and no one is at home, it often causes huge losses to indoor property and unit facilities. In addition, there is the active release of water by users, which will not cause flooding, but will cause water and heat loss. Water loss in the heating system brings many hazards: water leakage will cause the pressure of the heating system to decrease, thereby reducing the efficiency of hot water circulation; in order to maintain the temperature, the system needs to continuously replenish the heat lost by this part of the hot water, which will lead to a decrease in heating efficiency and energy waste; water leakage will cause flooding and damage other facilities. These additional losses will increase the cost of repair.

[0003] As for the water loss problem on the user side, the usual approach now is still mainly passive prevention, and there is a lack of good monitoring and equipment to handle special situations. Utility Model Content

[0004] The utility model provides a household end balancing valve for detecting water loss in indoor pipelines, which is used to solve the problems raised by the background technology.

[0005] The utility model discloses a household balancing valve for detecting water loss in indoor pipelines, comprising a valve body, an internal rotationally connected valve ball of the valve body, an upper end of the valve body fixedly connected to an actuator, the actuator fixedly connected to one end of a temperature sensor cable, and the other end of the temperature sensor cable is connected to a temperature sensor, a ceramic piezoelectric piece is installed at the lower end of the valve body, a bottom cover is provided at the lower end of the ceramic piezoelectric piece, the bottom cover is threadedly connected to the lower end of the valve body, the lower end of the ceramic piezoelectric piece is connected to a ceramic piezoelectric piece cable, the ceramic piezoelectric piece cable passes through the bottom cover, and a hole connected to the ceramic piezoelectric piece is provided at the lower end of the valve ball.

[0006] Preferably, both ends of the valve body are provided with internal threads, the internal threads are used to connect pipelines, the right side of the valve body is threadedly connected to the outlet seat, and a valve body sealing ring is provided at the connection position between the valve body and the outlet seat.

[0007] Preferably, an inlet valve seat and an outlet valve seat are respectively installed on both sides of the valve ball, an inlet valve seat sealing ring is installed on the side of the inlet valve seat away from the valve ball, and an outlet valve seat sealing ring is installed on the side of the outlet valve seat away from the valve ball, and the inlet valve seat, outlet valve seat, inlet valve seat sealing ring and outlet valve seat sealing ring are all installed inside the valve body and the outlet seat.

[0008] Preferably, a bottom cover sealing gasket is provided between the valve body and the bottom cover, and a ceramic piezoelectric sheet sealing ring is provided between the valve body and the ceramic piezoelectric sheet.

[0009] Preferably, a groove is provided on the top of the valve ball, the groove is plug-connected to the lower part of the valve stem, and the valve stem is rotatably connected to the valve body.

[0010] Preferably, a sealing ring is provided at the position where the valve stem is connected to the valve body.

[0011] Preferably, a plastic threading hole is provided between the bottom cover and the ceramic piezoelectric cable, the plastic threading hole is threadedly connected to the center of the bottom cover, and a rubber sealing sleeve is provided inside the portion where the plastic threading hole contacts the ceramic piezoelectric cable.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The valve is equipped with a temperature sensor installed in the heating pipeline to detect the temperature of the heating pipeline. A ceramic pressure plate is integrated at the bottom of the valve to detect the pressure value at the valve installation position at all times. Once water loss occurs indoors, the pressure in the water inlet pipe will drop significantly. The piezoelectric ceramic plate detects the huge change in pressure and eliminates interference factors according to the algorithm. If it meets the pre-set water loss parameter indicators, it can be determined that water loss has occurred. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The technical solution of the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a cross-sectional structural diagram of a household-end balancing valve for detecting water loss in indoor pipelines of the utility model;

[0016] Figure 2 The utility model is a three-dimensional structure of a valve ball of a household end balancing valve for detecting water loss in indoor pipelines;

[0017] Figure 3 It is a cross-sectional structural diagram of a part of the structure of a household end balancing valve for detecting water loss in indoor pipelines of the utility model;

[0018] Figure 4 The utility model is a structural diagram of the usage state of a household end balancing valve for detecting water loss in indoor pipelines.

[0019] In the figure: valve body 1, internal thread 101, outlet seat 102, valve ball 2, hole 201, groove 202, inlet valve seat 3, inlet valve seat sealing ring 4, ceramic piezoelectric sheet sealing ring 5, ceramic piezoelectric sheet 6, bottom cover sealing gasket 7, bottom cover 8, plastic threading hole 9, rubber sealing sleeve 10, actuator 11, temperature sensor 12, sealing ring 13, valve body sealing ring 14, outlet valve seat 15, valve stem 16, outlet valve seat sealing ring 17, temperature sensor cable 18, ceramic piezoelectric sheet cable 19. DETAILED DESCRIPTION

[0020] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0021] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0022] See also Figure 1-4 The utility model is a household balancing valve for detecting water loss in indoor pipelines, comprising a valve body 1, the valve body 1 is internally rotatably connected to a valve ball 2, the upper end of the valve body 1 is fixedly connected to an actuator 11, and the actuator 11 is a JWHV type angle travel actuator with NB communication function in the prior art. The control angle of the actuator is 0~90°, which can control the valve from opening to closing and any point in the middle to realize the valve adjustment function. The actuator 11 is fixedly connected to one end of a temperature sensor cable 18, and the other end of the temperature sensor cable 18 is connected to a temperature sensor 12. A ceramic piezoelectric sheet 6 is installed at the lower end of the valve body 1, and a bottom cover 8 is provided at the lower end of the ceramic piezoelectric sheet 6. The bottom cover 8 is threadedly connected to the lower end of the valve body 1, and the lower end of the ceramic piezoelectric sheet 6 is connected to a ceramic piezoelectric sheet cable 19, and the ceramic piezoelectric sheet cable 19 passes through the bottom cover 8. The lower end of the valve ball 2 is provided with a hole 201 connected to the ceramic piezoelectric sheet 6.

[0023] Furthermore, both ends of the valve body 1 are provided with internal threads 101 for connecting pipelines. The right side of the valve body 1 is threadedly connected to the outlet seat 102 . A valve body sealing ring 14 is provided at the connection position between the valve body 1 and the outlet seat 102 .

[0024] Furthermore, the inlet valve seat 3 and the outlet valve seat 15 are respectively installed on both sides of the valve ball 2, the inlet valve seat 3 is installed with an inlet valve seat sealing ring 4 on the side away from the valve ball 2, and the outlet valve seat 15 is installed with an outlet valve seat sealing ring 17 on the side away from the valve ball 2. The inlet valve seat 3, the outlet valve seat 15, the inlet valve seat sealing ring 4, and the outlet valve seat sealing ring 17 are all installed inside the valve body 1 and the outlet seat 102. The valve ball 2 is processed as a stainless steel ball, and the water inlet is a T-shaped opening with a shape. The T-shaped opening can ensure that the flow area of ​​the valve ball 2 changes in an equal percentage trend during the process from closing to opening, that is, the flow adjustment curve of the valve ball 2 is guaranteed to be equal percentage. This form of adjustment curve is conducive to the precise control of the valve flow.

[0025] Furthermore, a bottom cover sealing gasket 7 is provided between the valve body main body 1 and the bottom cover 8 , and a ceramic piezoelectric sheet sealing ring 5 is provided between the valve body main body 1 and the ceramic piezoelectric sheet 6 .

[0026] Furthermore, the top of the valve ball 2 is provided with a groove 202, which is plug-connected with the lower part of the valve stem 16, and the valve stem 16 is rotatably connected with the valve body 1. The upper end of the valve stem 16 is fixedly connected with the lower end of the actuator 11, and the actuator 11 drives the valve stem 16 to rotate.

[0027] Furthermore, a sealing ring 13 is provided at the position where the valve stem 16 is connected to the valve body 1 .

[0028] Furthermore, a plastic threading hole 9 is provided between the bottom cover 8 and the ceramic piezoelectric cable 19, and the plastic threading hole 9 is threadedly connected to the center of the bottom cover 8, and a rubber sealing sleeve 10 is provided inside the part where the plastic threading hole 9 contacts the ceramic piezoelectric cable 19. The rubber sealing sleeve 10 is used to prevent external water from entering the position of the ceramic piezoelectric 6 along the cable. The rubber sealing sleeve 10 can also lock and fix the ceramic piezoelectric cable 19 to prevent the ceramic piezoelectric cable 19 from moving. The ceramic piezoelectric 6 transmits a pressure electrical signal through the ceramic piezoelectric cable 19.

[0029] Embodiment: The household regulating valve of the utility model is installed on the water inlet pipe of the heating supply, and the temperature sensor 12 is installed on the corresponding water return pipe. The model selected for the temperature sensor 12 is a PT1000 or PT100 platinum resistance sensor. The temperature of the pipeline fluid is collected by the temperature sensor 12, and the model selected for the piezoelectric ceramic piece 6 is WPAH31, and the pressure of the pipeline is collected by the piezoelectric ceramic piece 6. The temperature sensor 12 and the piezoelectric ceramic piece 6 obtain the pressure of the water inlet pipe and the temperature of the return pipe. Once water loss occurs in the user's home, the pressure of the water inlet pipe will drop significantly. The piezoelectric ceramic piece 6 detects the huge change in pressure, and after eliminating interference factors according to the algorithm, if it meets the pre-set water loss parameter indicators, it can be determined that water loss has occurred.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A household balancing valve for detecting water loss in indoor pipelines, comprising a valve body (1), characterized in that: The valve body (1) is internally rotatably connected to the valve ball (2); the upper end of the valve body (1) is fixedly connected to the actuator (11); the actuator (11) is fixedly connected to one end of the temperature sensor cable (18); the other end of the temperature sensor cable (18) is connected to the temperature sensor (12); a ceramic piezoelectric sheet (6) is installed at the lower end of the valve body (1); a bottom cover (8) is provided at the lower end of the ceramic piezoelectric sheet (6); the bottom cover (8) is threadedly connected to the lower end of the valve body (1); the lower end of the ceramic piezoelectric sheet (6) is connected to the ceramic piezoelectric sheet cable (19); the ceramic piezoelectric sheet cable (19) passes through the bottom cover (8); and a hole (201) communicating with the ceramic piezoelectric sheet (6) is provided at the lower end of the valve ball (2).

2. A household-end balancing valve for detecting water loss in indoor pipelines according to claim 1, characterized in that: Internal threads (101) are provided at both ends of the valve body (1), and the internal threads (101) are used to connect to pipelines. The right side of the valve body (1) is threadedly connected to the outlet seat (102), and a valve body sealing ring (14) is provided at the connection position between the valve body (1) and the outlet seat (102).

3. The household-end balancing valve for detecting water loss in indoor pipelines according to claim 1 is characterized in that: An inlet valve seat (3) and an outlet valve seat (15) are respectively installed on both sides of the valve ball (2); an inlet valve seat sealing ring (4) is installed on the side of the inlet valve seat (3) away from the valve ball (2); an outlet valve seat sealing ring (17) is installed on the side of the outlet valve seat (15) away from the valve ball (2); the inlet valve seat (3), the outlet valve seat (15), the inlet valve seat sealing ring (4), and the outlet valve seat sealing ring (17) are all installed inside the valve body (1) and the outlet seat (102).

4. The household-end balancing valve for detecting water loss in indoor pipelines according to claim 1 is characterized in that: A bottom cover sealing gasket (7) is provided between the valve body main body (1) and the bottom cover (8), and a ceramic piezoelectric sheet sealing ring (5) is provided between the valve body main body (1) and the ceramic piezoelectric sheet (6).

5. The household-end balancing valve for detecting water loss in indoor pipelines according to claim 1 is characterized in that: The top of the valve ball (2) is provided with a groove (202), the groove (202) is plug-connected to the lower part of the valve stem (16), the valve stem (16) is rotationally connected to the valve body (1), and the upper end of the valve stem (16) is fixedly connected to the lower end of the actuator (11).

6. A household-end balancing valve for detecting water loss in indoor pipelines according to claim 5, characterized in that: A sealing ring (13) is provided at the position where the valve stem (16) is connected to the valve body (1).

7. The household-end balancing valve for detecting water loss in indoor pipelines according to claim 5 is characterized in that: A plastic threading hole (9) is provided between the bottom cover (8) and the ceramic piezoelectric cable (19), the plastic threading hole (9) being threadedly connected to the center of the bottom cover (8), and a rubber sealing sleeve (10) is provided inside the portion where the plastic threading hole (9) contacts the ceramic piezoelectric cable (19).

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