Integrated electronic expansion valve

Abstract

The utility model discloses an integrated electronic expansion valve, which relates to the technical field of expansion valves, and comprises a valve body, the upper end of the valve body is connected with a first connecting pipe, and the outer side of the valve body is connected with a second connecting pipe; the device further comprises round holes, the round holes are formed in the surfaces of the first connecting pipe and the second connecting pipe, temperature sensors are arranged outside the first connecting pipe and the second connecting pipe and clamped into the round holes, and wires are arranged at the rear ends of the temperature sensors. The front end of the temperature sensor is inserted into the connecting pipe, the temperature sensor is fixed to one side of the connecting pipe through the movable hoop, the wire is arranged at the rear end of the temperature sensor, the control box is arranged at the rear end of the wire, the control box is directly fixed to one side of the expansion valve, and the control box and the valve body are connected together.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion valves, in particular to an integrated electronic expansion valve. Background Art

[0002] An electronic expansion valve, also known as a throttle valve, expander, or temperature and pressure relief valve, plays a key role in refrigeration systems, hot water circulation systems, and other industrial systems. It controls the flow of refrigerant or hot water by changing the cross-sectional area of ​​the channel. In refrigeration systems, it throttles medium-temperature, high-pressure liquid refrigerant into low-temperature, low-pressure wet steam. In hot water circulation systems, it regulates the flow and pressure of hot water.

[0003] The existing electronic expansion valve is relatively inconvenient to use. The control box and the valve body need to be connected by a wiring harness, and the distance of the wiring harness is limited, which easily causes inconvenience during installation. Therefore, we propose an integrated electronic expansion valve to solve the above problems. Utility Model Content

[0004] The purpose of the present utility model is to provide an integrated electronic expansion valve to solve the problem mentioned in the above background technology that the existing electronic expansion valve is inconvenient to use, the control box and the valve body need to be connected by a wiring harness, and the distance of the wiring harness is limited, which easily causes inconvenience during installation.

[0005] To achieve the above object, the present invention provides the following technical solution: an integrated electronic expansion valve, comprising a valve body, wherein the upper end of the valve body is connected to a first connecting pipe, and the outer side of the valve body is connected to a second connecting pipe;

[0006] Also includes:

[0007] A circular hole is provided on the surface of the first connecting tube and the second connecting tube, a temperature sensor is provided on the outside of the first connecting tube and the second connecting tube, and the temperature sensor is snapped into the inside of the circular hole, a wire is provided at the rear end of the temperature sensor, a control box is provided at the rear end of the wire, and both wires are connected to the control box.

[0008] Preferably, a coil is provided below the exterior of the valve body, and the coil is connected to the control box via a wiring harness.

[0009] Preferably, fixing frames are symmetrically provided at both ends of the temperature sensor, a movable clamp is provided on the outside of the fixing frame, and two movable clamps are symmetrically provided, a slot is provided at one end of the movable clamp, the slot is movably engaged with the fixing frame, and the fixing frame and the movable clamp are connected by a rotating shaft, and a fixed block is provided at the other end of the movable clamp.

[0010] Preferably, a movable groove is provided on the surface of the fixing block, and the two fixing blocks are connected by bolts and nuts, and the bolts are movably engaged in the movable groove.

[0011] Preferably, a limiting frame is provided on the outer side of the valve body.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] By arranging a temperature sensor on the outside of the connecting pipe, inserting the front end of the temperature sensor into the inside of the connecting pipe, and fixing the temperature sensor on one side of the connecting pipe with a movable clamp, a wire is arranged at the rear end of the temperature sensor, and a control box is arranged at the rear end of the wire, so that the control box is directly fixed on one side of the expansion valve, so that the control box and the valve body are connected together, which is convenient for use and installation. The control box and the coil are connected by a wiring harness, and the sensor directly drives the coil to control the needle valve inside the valve body for adjustment according to the temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a top view of the movable clamp of the utility model;

[0016] Figure 3 This is the front view of the movable clamp of the utility model;

[0017] In the figure: 1. Control box; 2. Valve body; 3. First connecting pipe; 4. Second connecting pipe; 5. Coil; 6. Limiting frame; 7. Movable clamp; 8. Temperature sensor; 9. Wire; 10. Fixing frame; 11. Fixing block; 12. Bolt; 13. Nut; 14. Movable slot; 15. Card slot; 16. Round hole; 17. Bus. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See also Figure 1-3 The present invention provides an embodiment of an integrated electronic expansion valve, comprising a valve body 2, the upper end of the valve body 2 being connected to a first connecting pipe 3, and the outer side of the valve body 2 being connected to a second connecting pipe 4;

[0020] Also includes:

[0021] A circular hole 16 is provided on the surface of the first connecting tube 3 and the second connecting tube 4. A temperature sensor 8 is provided on the outside of the first connecting tube 3 and the second connecting tube 4, and the temperature sensor 8 is engaged with the inside of the circular hole 16. A wire 9 is provided at the rear end of the temperature sensor 8, and a control box 1 is provided at the rear end of the wire 9, and both wires 9 are connected to the control box 1.

[0022] By setting a temperature sensor 8 on the outside of the connecting pipe, inserting the front end of the temperature sensor 8 into the inside of the connecting pipe, and fixing the temperature sensor 8 on one side of the connecting pipe with a movable clamp 7, a wire 9 is set at the rear end of the temperature sensor 8, and a control box 1 is set at the rear end of the wire 9, so that the control box 1 is directly fixed to the outer end of the expansion valve by bolts or adhesives, so that the control box 1 is connected to the valve body 2 together, and the control box 1 is connected to the upper controller through the bus 17. The wire 9 and the bus 17 are both waterproof cables.

[0023] See also Figure 1 A coil 5 is provided below the outside of the valve body 2, and the coil 5 is connected to the control box 1 through a wiring harness. The coil 5 is sleeved on the outside of the valve body 2 for adjusting the needle valve inside the valve body 2.

[0024] See also Figure 2-3 The temperature sensor 8 is symmetrically provided with a fixing frame 10 at both ends, and a movable hoop 7 is provided on the outside of the fixing frame 10, and two movable hoop 7 are symmetrically provided. A slot 15 is provided at one end of the movable hoop 7, and the slot 15 is movably engaged with the fixing frame 10, and the fixing frame 10 and the movable hoop 7 are connected by a rotating shaft. A fixed block 11 is provided at the other end of the movable hoop 7 for swinging the movable hoop 7.

[0025] See also Figure 1 A movable groove 14 is provided on the surface of the fixed block 11. The two fixed blocks 11 are connected by a bolt 12 and a nut 13, and the bolt 12 is movably engaged in the inside of the movable groove 14 to lock the two fixed blocks 11.

[0026] See also Figure 1 A limiting frame 6 is provided on the outside of the valve body 2 to limit the coil 5.

[0027] Working principle: by setting a temperature sensor 8 on the outside of the connecting pipe, inserting the front end of the temperature sensor 8 into the inside of the connecting pipe, and fixing the temperature sensor 8 on one side of the connecting pipe with a movable clamp 7, a wire 9 is set at the rear end of the temperature sensor 8, and a control box 1 is set at the rear end of the wire 9, so that the control box 1 is directly fixed on one side of the expansion valve, so that the control box 1 is connected to the valve body 2 together, which is convenient for use and installation. The control box 1 and the coil 5 are connected through a wiring harness, and the sensor directly drives the coil 5 to control the needle valve inside the valve body 2 for adjustment according to the temperature. During use, the temperature sensor 8, wire 9, control box 1 and bus 17 are pre-connected and installed on the electronic expansion valve as a whole, which is convenient for installation and overall maintenance.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An integrated electronic expansion valve, comprising a valve body (2), wherein the upper end of the valve body (2) is connected to a first connecting pipe (3), and the outer side of the valve body (2) is connected to a second connecting pipe (4); Its characteristics are: Also includes: A circular hole (16) is provided on the surface of the first connecting tube (3) and the second connecting tube (4); a temperature sensor (8) is provided on the outside of the first connecting tube (3) and the second connecting tube (4); and the temperature sensor (8) is engaged with the inside of the circular hole (16); a wire (9) is provided at the rear end of the temperature sensor (8); a control box (1) is provided at the rear end of the wire (9), and both wires (9) are connected to the control box (1).

2. The integrated electronic expansion valve according to claim 1, characterized in that: A coil (5) is provided below the exterior of the valve body (2), and the coil (5) is connected to the control box (1) via a wiring harness.

3. The integrated electronic expansion valve according to claim 1, characterized in that: The temperature sensor (8) is symmetrically provided with fixing frames (10) at both ends, and a movable clamp (7) is provided on the outside of the fixing frame (10), and two movable clamps (7) are symmetrically provided. A clamping slot (15) is provided at one end of the movable clamp (7), and the clamping slot (15) is movably engaged with the fixing frame (10), and the fixing frame (10) and the movable clamp (7) are connected via a rotating shaft. A fixing block (11) is provided at the other end of the movable clamp (7).

4. The integrated electronic expansion valve according to claim 3, characterized in that: A movable groove (14) is provided on the surface of the fixed block (11), and the two fixed blocks (11) are connected via a bolt (12) and a nut (13), and the bolt (12) is movably engaged in the interior of the movable groove (14).

5. The integrated electronic expansion valve according to claim 1, characterized in that: A limiting frame (6) is provided on the outer side of the valve body (2).

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