Intelligent cold and hot water isolation pumping device

Abstract

The utility model provides an intelligent cold and hot water isolation pumping device which comprises a water pump body and a control module, and the water pump body is provided with a water inlet pipe and a water outlet pipe; an electromagnetic valve is further mounted on the water outlet pipe; a mounting hole is formed in the flow channel wall, vertically close to a pump cavity of the water pump body, of the water pump body, and a temperature sensor is arranged in the mounting hole through a mounting plate; and the electromagnetic valve and the temperature sensor are electrically connected with the control module. The utility model has the advantage of reasonable structural design.

Description

Technical Field

[0001] This utility model relates to heating, ventilation and air conditioning equipment, and in particular, to an intelligent hot and cold water isolation pumping device. Background Technology

[0002] Currently, booster pumps are commonly used in the HVAC field for water replenishment, supply, or return. However, the inlet and outlet of a booster pump are connected, leading to cross-contamination issues. During on-site construction, on-off valves or check valves are typically installed on the pipeline. When the booster pump stops, the on-off valve automatically closes to block the water flow, while the check valve only prevents backflow. When cross-contamination occurs, it affects both user experience and water safety. Existing solutions are mostly complex in structure, expensive, and have low control precision, making them unsuitable for large-scale application. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide an intelligent hot and cold water isolation pumping device with a reasonable structural design.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A smart hot and cold water isolation pumping device includes a pump body and a control module. The pump body is equipped with an inlet pipe and an outlet pipe. A solenoid valve is also installed on the outlet pipe. An installation hole is provided on the flow channel wall of the pump body perpendicular to its pump chamber. A temperature sensor is installed in the installation hole through an installation plate. The pump body, the solenoid valve, the temperature sensor and the control module are electrically connected.

[0006] Preferably, the solenoid valve includes a valve body and an actuator; the valve body has an inlet connector and an outlet connector; the inlet connector is inserted into the outlet pipe.

[0007] Preferably, the outer side of the water outlet pipe is provided with a plug-in portion, and the water inlet connector is provided with a plug-in groove adapted to the plug-in portion; the outer side of the plug-in portion is provided with a first annular groove, and a first sealing ring is provided in the first annular groove.

[0008] Preferably, the water inlet connector is provided with a locking component to prevent the plug portion from moving axially relative to the plug groove.

[0009] Preferably, a second annular groove is provided on the outer side of the plug portion and between the first annular groove and the water pump body;

[0010] The locking component includes a pin, and a pin hole is provided in the insertion groove corresponding to the position of the second annular groove, perpendicular to the central axis of the water inlet connector, and the pin is movably inserted therein; the front end of the pin extends into the second annular groove to fix the insertion part in the slot groove.

[0011] Preferably, there are two pin holes which are symmetrically arranged left and right, and the bolt is in a "冂" shape.

[0012] Preferably, a limiting seat for restricting the separation of the bolt from the pin hole is further arranged on the outer side of the water inlet joint.

[0013] Preferably, a check valve is arranged in the water outlet joint.

[0014] Preferably, it further includes an upper cover and a base which are detachably connected to each other;

[0015] Installation clamping rings are arranged on the outer sides of the water inlet pipe and the water outlet joint. Pressing blocks adapted to the installation clamping rings are arranged on the front and rear sides of the upper end of the base. A bayonet adapted to the installation ring is arranged at the corresponding position of the upper cover. The pressing block enters the bayonet to press the installation clamping ring tightly in the bayonet.

[0016] Preferably, a third annular groove is arranged on the installation ring, and a second sealing ring is nested in the third annular groove.

[0017] The technical effects of the present utility model are mainly reflected in the following aspects:

[0018] Through the design of the installation position of the temperature sensor, the accuracy of temperature measurement is improved, and the temperature signal is transmitted to the control module in time. The control module can accurately and timely start or stop the pump (transport cold water or hot water). At the same time, through the design of the solenoid valve, when the pump is in a stopped state, the control module can control the on-off of the solenoid valve and isolate cold and hot water; moreover, the pluggable and sealed connection between the solenoid valve and the pump body effectively reduces the installation cost;

[0019] The overall structure of the intelligent cold and hot water isolation pumping device is compact and convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the overall schematic diagram of the intelligent cold and hot water isolation pumping device in the embodiment;

[0021] Figure 2 It is the exploded structure schematic diagram of the intelligent cold and hot water isolation pumping device in the embodiment;

[0022] Figure 3 It is the assembly sectional view of the water pump body in the embodiment;

[0023] Figure 4 It is the assembly schematic diagram of the water pump body and the solenoid valve in the embodiment.

[0024] Reference numerals: 11, Top cover body; 111, Bayonet; 12, Transparent cover; 2, Base; 21, Pressure block; 22, Through hole; 31, Pump body; 311, Pump chamber; 312, Mounting hole; 32, Inlet pipe; 33, Outlet pipe; 331, First annular groove; 332, Second annular groove; 4, Solenoid valve; 41, Valve body; 411, Inlet connector; 4111, Pin hole; 4112, Slot; 412, Outlet connector; 42, Actuator; 5, Pin; 6, Limit seat; 7, Mounting ring; 71, Third annular groove. Detailed Implementation

[0025] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, so that the technical solution of this utility model can be more easily understood and mastered.

[0026] Reference Figure 1 , Figure 2 This embodiment aims to provide an intelligent hot and cold water isolation pumping device, including a top cover, a base 2, a water pump body 31, a solenoid valve 4, a temperature sensor, and a control module. The control module is electrically connected to the water pump body 31 and is used to control the start and stop of the water pump body 31.

[0027] The control module includes a PCB board and components integrated on the PCB board. The PCB board is fixedly installed inside the upper cover 1, specifically by screws.

[0028] Reference Figures 1-3 The water pump body 31 is equipped with an inlet pipe 32 and an outlet pipe 33, which are connected to the pump chamber 311 inside the water pump body 31.

[0029] The pump body 31 is provided with a mounting hole 312, which is perpendicular to the flow channel wall of the pump chamber 311. At the same time, a temperature sensor is installed in the mounting hole 312 through a mounting plate. The temperature sensor is used to detect the temperature of the fluid and output a temperature detection signal to the control module.

[0030] Reference Figure 2 , Figure 4 The solenoid valve 4 includes a valve body 41 and an actuator 42. The valve body 41 has an inlet connector 411 and an outlet connector 412. A check valve (not shown) is provided in the outlet connector 412 to prevent liquid backflow.

[0031] Reference Figure 4 The inlet connector 411 is plugged into the outlet pipe 33. The specific plugging structure is as follows: a plugging part is provided on the outside of the outlet pipe 33, and the inlet connector 411 is provided with a plugging groove that matches the plugging part.

[0032] A first annular groove 331 is provided on the outer side of the plug-in part, and a first sealing ring is provided inside the first annular groove 331. After the plug-in part is inserted into the water outlet pipe 33, a certain degree of sealing can be achieved through the first sealing ring to prevent water leakage at the corresponding part.

[0033] The water inlet connector is equipped with a locking component to prevent the plug portion from moving axially relative to the plug groove. Specifically, a second annular groove 332 is provided on the outer side of the plug portion and between the first annular groove 331 and the water pump body 31. A pin hole 4111 is provided in the plug groove corresponding to the position of the second annular groove 332, perpendicular to the central axis of the water inlet connector 411. Specifically, the locking component includes a pin 5; there are two pin holes 4111, which are arranged symmetrically from left to right. The pin 5 is movably inserted into the pin hole 4111 from the outside to the inside. The pin 5 is "U" shaped, and the front end of the pin 5 extends into the first annular groove 331 to fix the plug portion in the slot 4112.

[0034] A limiting seat 6 is also provided on the outside of the water inlet connector 411. The top of the limiting seat 6 has a barb, and the front side of the barb has a guide slope. After the pin 5 is inserted into the pin hole 4111 to a certain depth, the guide slope squeezes the barb, causing the barb to bend backward and continue to move. When the pin 5 passes the barb, the barb springs back and hooks the pin 5. At this time, the pin 5 cannot move upward.

[0035] Both the inlet pipe 32 and the outlet connector 412 are equipped with mounting rings 7 on their outer sides. The upper end of the base 2 has pressure blocks 211 adapted to the mounting rings 7 on both the front and rear sides. The upper cover has a corresponding slot 11 adapted to the mounting rings 7 at the position of the pressure block. The pressure block 211 enters the slot 11 and presses the mounting rings 7 tightly within it. The mounting rings 7 have a third annular groove 71, within which a second sealing ring (not shown) is nested. During installation, first, the second sealing ring is inserted into place, then the two mounting rings 7 are snapped into the slots 11, and then the upper cover 1 is fastened to the base 2, causing the pressure block 211 to also enter the slots 11 and press tightly against the mounting rings 7. The second sealing ring prevents resonance between the pump and the housing, reducing noise during pump startup.

[0036] The top cover includes a top cover body 11 and a transparent cover 12. The top cover body 11 is fixed to the base with screws. The top cover body 11 has several through holes 22. The control module includes operation buttons and a display unit, which extend through these through holes 22. The transparent cover 12 covers the through holes, providing a seal, and the operation buttons are flush with the transparent cover 12. The operation buttons are capacitive buttons, allowing the user to activate them simply by touching the surface of the transparent cover 12.

[0037] The intelligent hot and cold water isolation pumping device in this embodiment is mainly used for installation at the end of the household hot water circulation system, that is, between the hot and cold water pipes in the farthest bathroom. The inlet pipe 32 is connected to the end hot water pipe and the hot water point through a T-connector, and the outlet connector 412 is connected to the end cold water pipe and the cold water point through a T-connector.

[0038] Working principle: When the temperature sensor detects that the current temperature is lower than the preset start threshold, the water pump body 31 is started to work, pumping cold water from the hot water pipe into the cold water pipe, and then returning to the hot water pipe through the heating source to form a cycle; when the temperature sensor detects that the current temperature has reached the preset stop threshold, the water pump body 31 is stopped.

[0039] The aforementioned solenoid valve 4 serves to isolate water from the cold water pipe when the water pump body 31 is not working.

[0040] The aforementioned check valve serves to prevent water from the cold water pipe from flowing into the hot water pipe when the return valve is not in operation.

[0041] Of course, the above are just typical examples of this utility model. In addition, this utility model may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed by this utility model.

Claims

1. A smart hot and cold water isolation pumping device, comprising a pump body (31) and a control module, wherein the pump body (31) is equipped with an inlet pipe (32) and an outlet pipe (33); characterized in that, A solenoid valve (4) is also installed on the water outlet pipe (33); an installation hole (312) is vertically provided on the water pump body (31) close to the flow channel wall of its pump chamber (311), and a temperature sensor is arranged in the installation hole (312) through an installation plate; the water pump body (31), the solenoid valve (4), and the temperature sensor are electrically connected to the control module.

2. The intelligent hot and cold water isolation pumping device according to claim 1, characterized in that, The solenoid valve (4) includes a valve body (41) and an actuator (42); the valve body (41) has a water inlet connector (411) and a water outlet connector (412); the water inlet connector (411) is in plug-in fit with the water outlet pipe (33).

3. The intelligent hot and cold water isolation pumping device according to claim 2, characterized in that, A plug-in part is arranged on the outer side of the water outlet pipe (33), and the water inlet connector (411) is provided with a plug-in groove adapted to the plug-in part; a first annular groove (331) is arranged on the outer side of the plug-in part, and a first sealing ring is arranged in the first annular groove (331).

4. A smart hot and cold water isolation pumping device according to claim 2 or 3, characterized in that, A locking component is arranged on the water inlet connector (411) for preventing the relative axial movement of the plug-in part and the plug-in groove.

5. The intelligent hot and cold water isolation pumping device according to claim 4, characterized in that, A second annular groove (332) is arranged on the outer side of the plug-in part and between the first annular groove (331) and the water pump body (31); The locking component includes a plug pin (5). A pin hole (4111) is vertically arranged through the center axis of the water inlet connector (411) at a position corresponding to the second annular groove (332) in the plug-in groove, and the plug pin (5) is movably inserted therein; the front end of the plug pin (5) extends into the second annular groove (332) to fix the plug-in part in the plug-in groove.

6. The intelligent hot and cold water isolation pumping device according to claim 5, characterized in that, There are two pin holes (4111) which are symmetrically arranged left and right, and the plug pin (5) is in a "冂” shape.

7. The intelligent hot and cold water isolation pumping device according to claim 6, characterized in that, A limit seat (6) for restricting the separation of the plug pin (5) from the pin hole (4111) is also arranged on the outer side of the water inlet connector (411).

8. The intelligent hot and cold water isolation pumping device according to claim 2, characterized in that, A check valve is arranged in the water outlet connector (412).

9. The intelligent hot and cold water isolation pumping device according to claim 1, characterized in that, It also includes an upper cover and a base (2) which are detachably connected to each other; Installation clamping rings (7) are arranged on the outer sides of the water inlet pipe (32) and the water outlet connector (412). Pressing blocks (211) adapted to the installation clamping rings (7) are arranged on the front and rear sides of the upper end of the base (2). A bayonet (11) adapted to the installation clamping ring (7) is arranged at the corresponding position of the upper cover. The pressing block (211) enters the bayonet (11) to press the installation clamping ring (7) tightly in the bayonet (11).

10. The intelligent hot and cold water isolation pumping device according to claim 9, characterized in that, A third annular groove (71) is arranged on the installation clamping ring (7), and a second sealing ring is nested in the third annular groove (71).

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