Low-temperature heat pump unit control cabinet

Abstract

The utility model discloses a low-temperature heat pump unit control cabinet which comprises a cabinet body, the upper end of the cabinet body is fixedly connected with a U-shaped mounting frame, the lower inner wall of the U-shaped mounting frame is fixedly connected with a mounting seat, and the upper end of the mounting seat is provided with a first sliding groove; the lower ends of the L-shaped sliding seats are slidably connected with the first sliding grooves through first limiting rods, the L-shaped sliding seats are symmetrically distributed at the upper end of the mounting seat, second sliding grooves are formed in the front ends of the L-shaped sliding seats, L-shaped fixing plates are fixedly connected to the front ends of the L-shaped sliding seats through bolts and nuts, and lower limiting grooves are formed in the upper ends of the L-shaped fixing plates; a longitudinal and transverse clamping mechanism is formed by a U-shaped mounting frame, a sliding groove, an L-shaped sliding seat, a limiting rod, an L-shaped clamping plate, an upper limiting groove, an L-shaped fixing plate, a lower limiting groove, a T-shaped fixing plate, a hydraulic cylinder, a hydraulic rod and a pressing block to prevent dislocation of a pump body, the control cabinet can adapt to units of different sizes and specifications, and the flexibility of the control cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature heat pump control cabinets, in particular to a low-temperature heat pump unit control cabinet. Background Art

[0002] Existing low-temperature heat pump unit control cabinets are not adaptable to the installation of different pump models when monitoring and controlling low-temperature heat pumps, and the control cabinet lacks flexibility. A Chinese patent discloses a "ultra-low temperature air source heat pump water heater control system" with application number "CN202120317317.3". It includes a control cabinet, a fixed plate fixedly connected to the middle of the inner wall of the control cabinet, a unit control device fixedly installed in the middle of the top of the fixed plate, a temperature sensor fixedly installed on one side of the top of the fixed plate, and side panels fixedly connected to both sides of the top of the inner wall of the control cabinet. The utility model provides a control system for ultra-low temperature air source heat pump water heaters. Two clamping claws clamp and fix the circuit under the action of a telescopic spring to prevent the circuit from being pulled during daily use, causing the circuit joint to fall off and cause a short circuit. The temperature inside the control cabinet is monitored by a temperature sensor, and the surface of the unit control device is dissipated by the provision of a fan, heat dissipation holes, and ventilation holes to prevent the surface temperature of the unit control device from being too high, which may cause malfunction of internal components. However, the control cabinet is difficult to adapt to units of different sizes and specifications, and the control cabinet lacks flexibility. Utility Model Content

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a control cabinet for a low-temperature heat pump unit. A longitudinal and transverse clamping mechanism is composed of a U-shaped mounting frame, a slide groove, an L-shaped slide seat, a limit rod, an L-shaped clamping plate, an upper limit groove, an L-shaped fixing plate, a lower limit groove, a T-shaped fixing plate, a hydraulic cylinder, a hydraulic rod and a pressure block to prevent the pump body from dislocating. The mechanism can adapt to units of different sizes and specifications, and the flexibility of the control cabinet is improved. A covering mechanism is composed of a cabinet body, a slide rail and a sliding door to cover the clamping area, thereby improving the safety of the control cabinet.

[0004] The utility model also provides a control cabinet for the low-temperature heat pump unit described above, comprising: a cabinet body, the upper end of the cabinet body is fixedly connected to a U-shaped mounting frame, the lower inner wall of the U-shaped mounting frame is fixedly connected to a mounting seat, the upper end of the mounting seat is provided with a first slide groove; an L-shaped slide, the lower end of the L-shaped slide is slidably connected to the first slide groove by a first limit rod, the L-shaped slide is symmetrically distributed on the upper end of the mounting seat, the front end of the L-shaped slide is provided with a second slide groove, the front end of the L-shaped slide is fixedly connected to an L-shaped fixing plate by bolts and nuts, the upper end of the L-shaped fixing plate is provided with a lower limit groove; a T-shaped fixing plate, the rear end of the T-shaped fixing plate is connected to the The front end of the L-shaped slide is fixedly connected, the upper end of the T-shaped fixing plate is fixedly connected to the first hydraulic cylinder, and the lower end of the first hydraulic cylinder is fixedly connected to the first pressure block through the first hydraulic rod; the L-shaped clamping plate, the rear end of the L-shaped clamping plate is slidably connected to the second slide groove through the second limit rod, the L-shaped clamping plate is located above the L-shaped fixing plate, the L-shaped clamping plate is located below the T-shaped fixing plate, and the lower end of the L-shaped clamping plate is provided with an upper limit groove; the second hydraulic cylinder, the lower end of the second hydraulic cylinder is fixedly connected to the lower inner wall of the cabinet, the second hydraulic cylinders are symmetrically distributed on the left and right sides of the U-shaped mounting frame, and the front end of the second hydraulic cylinder is fixedly connected to the second pressure block through the second hydraulic rod.

[0005] According to the utility model, a low-temperature heat pump unit control cabinet has slide rails fixedly connected to the lower inner wall of the cabinet body, facilitating the installation and sliding of the sliding door. The slide rails are symmetrically distributed on the left and right ends of the cabinet body, improving ease of use. The sliding door is slidably connected to the upper end of the slide rails, improving safety. The front end of the sliding door is provided with a rectangular groove to facilitate the sliding door's movement.

[0006] According to the low-temperature heat pump unit control cabinet of the present invention, a pump body is arranged in the lower limit groove, and the pump body is engaged with the lower limit groove, making the structure compact and stable.

[0007] According to the low-temperature heat pump unit control cabinet of the utility model, the upper limit slot is engaged with the pump body, making the structure compact and stable.

[0008] According to the low-temperature heat pump unit control cabinet of the utility model, a temperature sensor is fixedly connected to the lower inner wall of the lower limit groove, which is conducive to accurate monitoring of the pump body. A flow sensor is fixedly connected to the upper inner wall of the upper limit groove, which is conducive to accurate monitoring of the pump body.

[0009] According to the low-temperature heat pump unit control cabinet of the present invention, the lower end of the L-shaped fixing plate is fixedly connected to a pad via a fixing rod, thereby improving the stability of the L-shaped fixing plate. The pad abuts against the L-shaped sliding seat, making the structure compact and stable.

[0010] According to the low-temperature heat pump unit control cabinet of the present invention, the side end of the second hydraulic cylinder is fixedly connected to the rear inner wall of the cabinet body through a reinforcing rod, making the structure stable and firm.

[0011] Beneficial effects

[0012] 1. Compared with the existing technology, the low-temperature heat pump unit control cabinet has a longitudinal and transverse clamping mechanism composed of a U-shaped mounting frame, a slide groove, an L-shaped slide seat, a limit rod, an L-shaped clamping plate, an upper limit groove, an L-shaped fixing plate, a lower limit groove, a T-shaped fixing plate, a hydraulic cylinder, a hydraulic rod and a pressure block to prevent the pump body from dislocating. It can adapt to units of different sizes and specifications, and the flexibility of the control cabinet is improved;

[0013] 2. Compared with the existing technology, this low-temperature heat pump unit control cabinet can cover the clamping area by forming a covering mechanism through the cabinet body, slide rails and sliding doors, thereby improving the safety of the control cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a structural diagram of a low-temperature heat pump unit control cabinet of the utility model;

[0016] Figure 2 This is a structural diagram of a low-temperature heat pump unit control cabinet in a state where the sliding door covers the clamping area of ​​the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of a control cabinet for a low-temperature heat pump unit according to the present invention;

[0018] Figure 4 The utility model is a cross-sectional structural diagram of a low-temperature heat pump unit control cabinet.

[0019] Legend:

[0020] 1. Cabinet; 2. Second hydraulic cylinder; 3. U-shaped mounting frame; 4. Pump body; 5. First pressure block; 6. First hydraulic rod; 7. First hydraulic cylinder; 8. Second slide; 9. Second hydraulic rod; 10. T-shaped fixing plate; 11. Second limiting rod; 12. L-shaped clamp; 13. L-shaped fixing plate; 14. Mounting seat; 15. Nut; 16. Bolt; 17. Pad; 18. Fixing rod; 19. L-shaped slide; 20. First limiting rod; 21. First slide; 22. Slide rail; 23. Rectangular groove; 24. Sliding door; 25. Second pressure block; 26. Reinforcement rod; 27. Upper limit groove; 28. Lower limit groove; 29. ​​Flow sensor; 30. Temperature sensor. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0022] Reference Figure 1-4 , The utility model embodiment of a low-temperature heat pump unit control cabinet, which includes: a cabinet body 1, the lower inner wall of the cabinet body 1 is fixedly connected with a slide rail 22, and a sliding door is installed and slid. The slide rails 22 are symmetrically distributed at the left and right ends of the cabinet body 1. The upper end of the slide rail 22 is slidably connected with a sliding door 24, covering the clamping area. The front end of the sliding door 24 is provided with a rectangular groove 23 for pushing and pulling. The upper end of the cabinet body 1 is fixedly connected with a U-shaped mounting frame 3 to fix the mounting seat. The lower inner wall of the U-shaped mounting frame 3 is fixedly connected with a mounting seat 14 to install and slide the L-shaped slide. The upper end of the mounting seat 14 is provided with a first slide groove 21 to allow the limit rod to slide in the mounting seat;

[0023] The L-shaped slide 19, the lower end of the L-shaped slide 19 is slidably connected to the first slide groove 21 through the first limiting rod 20, the L-shaped slide 19 is symmetrically distributed on the upper end of the mounting seat 14, the front end of the L-shaped slide 19 is provided with a second slide groove 8, so that the limiting rod slides in the L-shaped slide, the front end of the L-shaped slide 19 is fixedly connected to the L-shaped fixing plate 13 by the bolt 16 and the nut 15, and cooperates with the L-shaped clamping plate to clamp the pump body, and the upper end of the L-shaped fixing plate 13 is provided with a lower limiting groove 28. For limit clamping, the pump body 4 is provided in the lower limit groove 28 as the object of clamping and monitoring. The pump body 4 is clamped with the lower limit groove 28 to form a clamping structure. The lower inner wall of the lower limit groove 28 is fixedly connected with a temperature sensor 30 to monitor the water inlet, water outlet and ambient temperature for precise control. The lower end of the L-shaped fixing plate 13 is fixedly connected to a pad 17 through a fixing rod 18 to cushion the L-shaped fixing plate. The pad 17 abuts against the L-shaped slide 19 to form a compact and stable structure.

[0024] The rear end of the T-shaped fixing plate 10 is fixedly connected to the front end of the L-shaped slide 19 by a bolt 16 and a nut 15. The upper end of the T-shaped fixing plate 10 is fixedly connected to the first hydraulic cylinder 7, which controls the hydraulic rod to press the L-shaped clamping plate downward. The lower end of the first hydraulic cylinder 7 is fixedly connected to the first pressing block 5 through the first hydraulic rod 6 to press the L-shaped clamping plate;

[0025] The L-shaped clamping plate 12, the rear end of the L-shaped clamping plate 12 is slidably connected to the second slide groove 8 through the second limiting rod 11, the L-shaped clamping plate 12 is located above the L-shaped fixing plate 13, and the L-shaped clamping plate 12 is located below the T-shaped fixing plate 10. The lower end of the L-shaped clamping plate 12 is provided with an upper limit groove 27 for limiting clamping. The upper limit groove 27 is engaged with the pump body 4 to form a clamping structure. The upper inner wall of the upper limit groove 27 is fixedly connected with a flow sensor 29 to monitor flow changes and prevent malfunctions caused by abnormal flow.

[0026] The second hydraulic cylinder 2, the lower end of the second hydraulic cylinder 2 is fixedly connected to the lower inner wall of the cabinet 1, the second hydraulic cylinder 2 is symmetrically distributed on the left and right sides of the U-shaped mounting frame 3, the front end of the second hydraulic cylinder 2 is fixedly connected to the second pressure block 25 through the second hydraulic rod 9, pressing the L-shaped slide for horizontal clamping, and the side end of the second hydraulic cylinder 2 is fixedly connected to the rear inner wall of the cabinet 1 through the reinforcement rod 26, forming a stable and firm structure.

[0027] Working principle: Use the low-temperature heat pump unit control cabinet to monitor and control the low-temperature heat pump, place the low-temperature heat pump in the lower clamping groove 28, the first hydraulic cylinder 7 will control the first hydraulic rod 6 to press down the L-shaped clamping plate 12, the upper clamping groove 27 of the L-shaped clamping plate 12 will cooperate with the lower clamping groove 28 of the L-shaped fixed plate 13 to clamp the low-temperature heat pump longitudinally, the second hydraulic cylinder 2 will control the second hydraulic rod 9 to press the L-shaped slide 19 forward for horizontal clamping; the temperature sensor 30 of the lower limit groove 28 will monitor the water inlet, water outlet and ambient temperature of the low-temperature heat pump, and the flow sensor 29 of the upper limit groove 27 will monitor the flow changes of the low-temperature heat pump to prevent failures caused by abnormal flow.

[0028] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A low-temperature heat pump unit control cabinet, characterized in that: include: A cabinet (1), wherein the upper end of the cabinet (1) is fixedly connected to a U-shaped mounting frame (3), the lower inner wall of the U-shaped mounting frame (3) is fixedly connected to a mounting seat (14), and the upper end of the mounting seat (14) is provided with a first sliding groove (21); An L-shaped slide (19), the lower end of the L-shaped slide (19) is slidably connected to the first slide groove (21) through a first limiting rod (20), the L-shaped slide (19) is symmetrically distributed on the upper end of the mounting seat (14), the front end of the L-shaped slide (19) is provided with a second slide groove (8), the front end of the L-shaped slide (19) is fixedly connected to the L-shaped fixing plate (13) through a bolt (16) and a nut (15), and the upper end of the L-shaped fixing plate (13) is provided with a lower limiting groove (28); A T-shaped fixing plate (10), the rear end of the T-shaped fixing plate (10) is fixedly connected to the front end of the L-shaped slide (19) via a bolt (16) and a nut (15), the upper end of the T-shaped fixing plate (10) is fixedly connected to a first hydraulic cylinder (7), and the lower end of the first hydraulic cylinder (7) is fixedly connected to a first pressure block (5) via a first hydraulic rod (6); An L-shaped clamping plate (12), the rear end of which is slidably connected to the second sliding groove (8) via a second limiting rod (11), the L-shaped clamping plate (12) is located above the L-shaped fixing plate (13), the L-shaped clamping plate (12) is located below the T-shaped fixing plate (10), and an upper limit groove (27) is provided at the lower end of the L-shaped clamping plate (12); A second hydraulic cylinder (2), the lower end of which is fixedly connected to the lower inner wall of the cabinet (1), the second hydraulic cylinder (2) being symmetrically distributed on the left and right sides of the U-shaped mounting frame (3), and the front end of the second hydraulic cylinder (2) being fixedly connected to a second pressure block (25) via a second hydraulic rod (9).

2. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: The lower inner wall of the cabinet (1) is fixedly connected with a slide rail (22), and the slide rails (22) are symmetrically distributed at the left and right ends of the cabinet (1). The upper end of the slide rail (22) is slidably connected with a slide door (24), and the front end of the slide door (24) is provided with a rectangular groove (23).

3. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: A pump body (4) is arranged in the lower limit groove (28), and the pump body (4) is engaged with the lower limit groove (28).

4. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: The upper limit groove (27) is engaged with the pump body (4).

5. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: A temperature sensor (30) is fixedly connected to the lower inner wall of the lower limit groove (28), and a flow sensor (29) is fixedly connected to the upper inner wall of the upper limit groove (27).

6. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: The lower end of the L-shaped fixed plate (13) is fixedly connected to a pad (17) via a fixing rod (18), and the pad (17) is in contact with the L-shaped sliding seat (19).

7. A low-temperature heat pump unit control cabinet according to claim 1, characterized in that: The side end of the second hydraulic cylinder (2) is fixedly connected to the rear inner wall of the cabinet (1) via a reinforcing rod (26).

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