Heat exchange unit convenient to maintain

By introducing a liftable protective box and drive mechanism into the heat exchanger unit, the problem of limited internal space of the box-type heat exchanger unit is solved, convenient maintenance and safe operation are achieved, and work efficiency and equipment life are improved.

CN223376427UActive Publication Date: 2025-09-23SHAN DONG LE JIA HUAN RE SHE BEI YOU XIAN GONG SI
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Patent Information

Application Number
CN202422799296.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-09-23
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Due to the limited internal space, the inspection and maintenance of box-type heat exchanger units are difficult and pose safety hazards.

Method used

A heat exchanger unit including a protective box with adjustable lifting and lowering function and a driving mechanism is designed. The protective box is lifted and lowered by a screw driven by a dual-axis motor to expand the operating space, and a ventilation mechanism is provided for heat dissipation.

Benefits of technology

It reduces maintenance difficulty, improves work efficiency, ensures safety, extends the service life of the unit, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223376427U_ABST
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Abstract

The utility model is applicable to the technical field of heat exchange units, and provides a heat exchange unit convenient to maintain, which comprises a heat exchange unit main body, a base box is fixedly mounted below the heat exchange unit main body, and a lifting adjustable protection box is arranged on the base box and is used for shielding and protecting the heat exchange unit main body; the two screw rods are symmetrically and rotationally mounted on the base box, and the bottom ends of the two screw rods both extend into the base box; and the two threaded sleeve blocks are arranged on the corresponding threaded rods in a threaded and sleeving mode correspondingly, and one ends of the two threaded sleeve blocks are fixedly connected with the inner wall of the protection box. According to the heat exchange unit convenient to maintain, the problem that due to the fact that the internal space of an existing box type heat exchange unit is limited, the inspection and maintenance operation difficulty is large is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchange units, and in particular relates to a heat exchange unit that is easy to maintain. Background Art

[0002] In the energy supply system of modern industrial and civil buildings, box-type heat exchanger units, as an efficient and compact heat energy conversion equipment, play a vital role. This type of unit is specially designed for box type and integrates a series of key components such as plate heat exchanger, circulation pump, water supply pump, safety valve, butterfly valve, check valve, exhaust and sewage device, ultrasonic flow meter, electric control valve with actuator, welded ball valve, electric control cabinet, pipeline base, etc., forming a complete and compact heat exchange system.

[0003] However, while box-type heat exchanger units bring high efficiency and convenience, they also face the problem of limited internal space. Since a large number of equipment and pipelines are integrated inside the unit, inspection and maintenance personnel often need to work in an extremely narrow space when performing daily inspections, troubleshooting, component replacement and other operations. This not only increases the difficulty of operation, but may also lead to low work efficiency and even pose a threat to the safety of maintenance personnel. Utility Model Content

[0004] The utility model provides a heat exchange unit that is easy to maintain, and aims to solve the problem that the inspection and maintenance operations of the current box-type heat exchange unit are difficult due to the limited internal space.

[0005] The present utility model is implemented as follows: a heat exchanger unit that is easy to maintain comprises: a heat exchanger unit main body, a base box is fixedly installed under the heat exchanger unit main body, and a protective box that can be raised and lowered is provided on the base box for shielding and protecting the heat exchanger unit main body; two screws, the two screws are symmetrically rotatably installed on the base box, and the bottom ends of the two screws extend into the base box; two threaded sleeves, the two threaded sleeves are respectively threadedly sleeved on the corresponding screws, and one end of the two threaded sleeves is fixedly connected to the inner wall of the protective box; a driving mechanism, the driving mechanism is provided on the base box and the screw, and is used to drive the screw to rotate; a ventilation mechanism, the ventilation mechanism is provided on the protective box for ventilation and heat dissipation.

[0006] Preferably, the driving mechanism includes: a dual-axis motor fixedly installed in the base box; two transmission rods rotatably installed in the base box, one end of the two transmission rods being fixedly connected to the output shaft of the dual-axis motor through a coupling; a first bevel tooth and a second bevel tooth fixedly installed on the transmission rod and the bottom end of the screw respectively, the first bevel tooth and the second bevel tooth being engaged with each other for transmission.

[0007] Preferably, the ventilation mechanism includes: an air inlet pipe and an air outlet pipe fixedly connected to the protective box; brackets fixedly installed in the air inlet pipe and the air outlet pipe respectively, and a guide fan fixedly installed on the bracket for guiding air and dissipating heat; a dust filter plate slidably installed in the air inlet pipe and capable of being lifted and removed, for filtering dust and impurities.

[0008] Preferably, both the air inlet end of the air inlet pipe and the air outlet end of the air outlet pipe are provided with an insect-proof mesh cover, and the insect-proof mesh cover is provided with bolts, and the bolts are threadedly connected to the corresponding air inlet pipe and the air outlet pipe.

[0009] Preferably, the protection box is symmetrically provided with openable and closable box doors, and the box doors are connected to the protection box via hinges.

[0010] Preferably, support columns are symmetrically fixedly installed on the bottom of the base box, and anti-slip pads are fixedly installed on the bottom ends of the support columns.

[0011] Preferably, a groove is provided on the top of the base box, and the groove is adapted to fit the protection box. A pipe hole is provided on the protection box, and a pipe can be inserted to connect with the pipeline of the heat exchange unit body.

[0012] Compared with the related art, the heat exchanger unit provided by the present invention that is easy to maintain has the following beneficial effects:

[0013] The heat exchanger unit body is the core part, responsible for the exchange and conversion of heat energy, ensuring the realization of the basic functions of the unit; the protective box that can be raised and lowered is set on the base box, which is not only used to shield and protect the heat exchanger unit body, but also can expand the operating space through lifting and adjustment, which is convenient for maintenance and inspection; the dual-axis motor serves as the driving source, providing stable power output, and is fixedly connected to the transmission rod through a coupling to ensure stable power transmission; the meshing design of the first bevel gear and the second bevel gear realizes the change of transmission direction and maintains a high transmission efficiency, so that the power of the dual-axis motor can be efficiently transmitted to the screw to drive the lifting and lowering of the protective box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a heat exchange unit that is easy to maintain provided by the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG;

[0017] Figure 4 This is a schematic diagram of the structure of the protective box after the lifting adjustment in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the insect-proof net cover in the present utility model.

[0019] Figure numerals: 1. Heat exchange unit body; 2. Base box; 3. Protective box; 4. Screw; 5. Threaded sleeve; 6. Dual-axis motor; 7. Transmission rod; 8. First bevel gear; 9. Second bevel gear; 10. Air inlet pipe; 11. Air outlet pipe; 12. Bracket; 13. Fan guide air; 14. Dust filter plate; 15. Insect screen; 16. Bolt. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0021] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] The present invention provides a heat exchange unit that is easy to maintain. Figure 1-5 As shown, the heat exchanger unit with easy maintenance includes: a heat exchanger unit main body 1, a base box 2 is fixedly installed below the heat exchanger unit main body 1, and a protective box 3 that can be raised and lowered is provided on the base box 2 to shield and protect the heat exchanger unit main body 1; two screws 4, the two screws 4 are symmetrically rotated and installed on the base box 2, and the bottom ends of the two screws 4 extend into the base box 2; two threaded sleeves 5, the two threaded sleeves 5 are respectively threaded on the corresponding screws 4, and one end of the two threaded sleeves 5 is fixedly connected to the inner wall of the protective box 3; a driving mechanism, the driving mechanism is arranged on the base box 2 and the screw 4, and is used to drive the screw 4 to rotate; a ventilation mechanism, the ventilation mechanism is arranged on the protective box 3, and is used for ventilation and heat dissipation.

[0023] In this embodiment, the heat exchanger unit main body 1: as the core part of the heat exchanger unit, it is responsible for the exchange and conversion of heat energy; the base box 2 is fixedly installed under the heat exchanger unit main body 1, and plays the role of supporting and stabilizing the unit, and the protective box 3 that can be raised and lowered is arranged on the base box 2, and is used to shield and protect the heat exchanger unit main body 1, and at the same time can be expanded or reduced by lifting and adjusting; two screws 4 are symmetrically rotatably installed on the base box 2, and the bottom ends extend into the base box 2, and the protective box 3 is driven to rise and fall by rotation; two threaded sleeves 5 are respectively threadedly sleeved on the corresponding screws 4, and one end is fixedly connected to the inner wall of the protective box 3 to realize the connection and transmission between the protective box 3 and the screw 4; the driving mechanism is arranged on the base box 2 and the screw 4, and is used to drive the rotation of the screw 4. movement, thereby controlling the lifting and lowering of the protection box 3; the ventilation mechanism is arranged on the protection box 3, which is used for ventilation and heat dissipation when the unit is running, ensuring the safe and stable operation of the unit; by setting up a protective box 3 that can be raised and lowered, when maintenance or inspection is required, the protection box can be conveniently raised and lowered, thereby expanding the operating space inside the unit, reducing the difficulty of operation, and improving work efficiency; the lifting protection box design allows maintenance personnel to operate more safely, avoiding the safety risks that may be caused by working in a narrow space; the setting of the ventilation mechanism ensures that the unit can obtain effective heat dissipation during operation, avoids failure or damage caused by overheating, and extends the service life of the unit; the lifting function of the protection box 3 makes daily inspection and maintenance work more convenient, reduces maintenance costs and management difficulty.

[0024] In a further preferred embodiment of the present utility model, the driving mechanism includes: a dual-axis motor 6 fixedly installed in the base box 2; two transmission rods 7 rotatably installed in the base box 2, one end of the two transmission rods 7 is fixedly connected to the output shaft of the dual-axis motor 6 through a coupling; a first bevel tooth 8 and a second bevel tooth 9 fixedly installed on the transmission rod 7 and the bottom end of the screw 4, respectively, and the first bevel tooth 8 is engaged with the second bevel tooth 9 for transmission.

[0025] In this embodiment, the dual-axis motor 6 serves as a driving source and can provide stable power output. The output shaft of the dual-axis motor 6 is fixedly connected to the transmission rod 7 through a coupling to ensure stable power transmission; the meshing design of the first bevel gear 8 and the second bevel gear 9 realizes the change of transmission direction, and due to the transmission characteristics of the bevel gear, a high transmission efficiency can be maintained. This means that the power provided by the dual-axis motor 6 can be efficiently transmitted to the screw 4, thereby driving the lifting and lowering of the protective box 3; by integrating the dual-axis motor 6, transmission rod 7, first bevel gear 8 and second bevel gear 9 and other components into the base box 2, the structure of the entire drive mechanism is made more compact, saving space, and also facilitating installation and maintenance.

[0026] In a further preferred embodiment of the present invention, the ventilation mechanism includes: an air inlet pipe 10 and an air outlet pipe 11 fixedly connected to the protective box 3; a bracket 12 fixedly installed in the air inlet pipe 10 and the air outlet pipe 11 respectively, and a guide fan 13 fixedly installed on the bracket 12 for guiding air and dissipating heat; a dust filter plate 14 slidably installed in the air inlet pipe 10 and capable of being lifted and removed, for filtering dust and impurities.

[0027] In this embodiment, the air inlet pipe 10 and the air outlet pipe 11 are fixedly connected to the protective box 3 to form a ventilation channel for introducing and exhausting air. A bracket 12 is fixedly installed in the air inlet pipe 10 and the air outlet pipe 11, respectively, as a supporting structure. A fan 13 is fixedly installed on the bracket 12 to guide air and dissipate heat, accelerating air flow. A dust filter plate 14 is slidably installed in the air inlet pipe 10 and can be lifted and removed to filter dust and impurities, keeping the ventilation mechanism clean and operating efficiently. The fixed installation of the fan 13 allows air to form an effective flow between the air inlet pipe 10 and the air outlet pipe 11, thereby removing heat from the protective box 3 and achieving a heat dissipation effect. This is of great significance for protecting the electrical components in the protective box 3 and extending their service life.

[0028] In a further preferred embodiment of the present invention, the air inlet end of the air inlet pipe 10 and the air outlet end of the air outlet pipe 11 are both provided with an insect-proof mesh cover 15, and the insect-proof mesh cover 15 is provided with a bolt 16, and the bolt 16 is threadedly connected to the corresponding air inlet pipe 10 and the air outlet pipe 11.

[0029] In this embodiment, the provision of the insect screen 15 effectively prevents insects and other small organisms from entering the ventilation mechanism through the air inlet duct 10 or the air outlet duct 11, thus avoiding poor ventilation or equipment failure caused by blockage or damage by insects. The rationally designed aperture of the insect screen 15 not only blocks insects from entering but also does not cause excessive resistance to air flow, thereby maintaining ventilation efficiency and ensuring effective heat dissipation within the protective box 3. The threaded connection of the bolts 16 to the air inlet duct 10 and the air outlet duct 11 facilitates easy installation and removal of the insect screen 15. Users can easily install or remove the insect screen 15 for cleaning or replacement as needed.

[0030] In a further preferred embodiment of the present invention, the protection box 3 is symmetrically provided with openable and closable box doors, and the box doors are connected to the protection box 3 via hinges.

[0031] In this embodiment, the protective box 3 serves as the main protective structure of the heat exchanger unit, and is used to accommodate and protect the internal electrical components and heat exchange equipment; the openable and closable box doors are symmetrically arranged on the protective box 3 to facilitate simple maintenance, inspection and replacement of components.

[0032] In a further preferred embodiment of the present invention, support columns are symmetrically fixedly installed on the bottom of the base box 2, and anti-slip foot pads are fixedly installed on the bottom ends of the support columns.

[0033] In this embodiment, the provision of the support columns provides additional support for the base box 2, and the provision of the anti-slip foot pads increases the friction between the base box 2 and the ground, which helps to improve the safety and stability of the equipment.

[0034] In a further preferred embodiment of the present invention, a groove is provided on the top of the base box 2, which is adapted to the protection box 3. A pipe hole is provided on the protection box 3, into which a pipe can be inserted to connect with the pipeline of the heat exchange unit body 1.

[0035] In this embodiment, the design of the groove enables the protection box 3 to be accurately and firmly installed on the base box 2, and the design of the pipe hole enables the pipe to be easily inserted and connected to the pipeline of the heat exchange unit body 1.

[0036] To sum up, the heat exchanger unit body 1 is used as the core part, which is responsible for the exchange and conversion of heat energy, ensuring that the basic functions of the unit are realized; the protective box 3 that can be raised and lowered is set on the base box 2, which is not only used to shield and protect the heat exchanger unit body 1, but also can expand the operating space through lifting and adjustment, which is convenient for maintenance and inspection; the dual-axis motor 6 serves as a driving source to provide stable power output, and is fixedly connected to the transmission rod 7 through a coupling to ensure stable power transmission; the meshing design of the first bevel gear 8 and the second bevel gear 9 realizes the change of transmission direction and maintains a high transmission efficiency, so that the power of the dual-axis motor 6 can be efficiently transmitted to the screw 4 to drive the lifting and lowering of the protective box 3.

[0037] It is worth noting that the circuits, electronic components and modules involved in the present invention are all existing technologies and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A heat exchange unit that is easy to maintain, characterized in that: include: The heat exchange unit body has a base box fixedly installed below the heat exchange unit body, and a protective box that can be raised and lowered is provided on the base box to shield and protect the heat exchange unit body; Two screw rods, the two screw rods are symmetrically rotatably mounted on the base box, and the bottom ends of the two screw rods extend into the base box; Two threaded sleeves, the two threaded sleeves are respectively threadedly sleeved on the corresponding screws, and one end of the two threaded sleeves is fixedly connected to the inner wall of the protective box; A driving mechanism, the driving mechanism being arranged on the base box and the screw rod and being used for driving the screw rod to rotate; A ventilation mechanism is provided on the protective box for ventilation and heat dissipation.

2. The heat exchange unit with convenient maintenance according to claim 1, characterized in that: The driving mechanism comprises: A dual-shaft motor fixedly mounted in the base box; Rotating two transmission rods installed in the base box, one end of the two transmission rods is fixedly connected to the output shaft of the dual-axis motor through a coupling; The first bevel gear and the second bevel gear are respectively fixedly mounted on the transmission rod and the bottom end of the screw rod, and the first bevel gear and the second bevel gear are engaged with each other for transmission.

3. The heat exchange unit with convenient maintenance according to claim 1, characterized in that: The ventilation mechanism comprises: An air inlet pipe and an air outlet pipe fixedly connected to the protective box; Brackets are fixedly mounted in the air inlet pipe and the air outlet pipe respectively, and a guide fan is fixedly mounted on the brackets for guiding air and dissipating heat; A dust filter plate is slidably installed in the air inlet pipe and can be lifted and removed, and is used for filtering dust and impurities.

4. The heat exchange unit with convenient maintenance as claimed in claim 3, characterized in that: The air inlet end of the air inlet pipe and the air outlet end of the air outlet pipe are both provided with insect-proof net covers, and the insect-proof net covers are provided with bolts, and the bolts are threadedly connected with the corresponding air inlet pipe and the air outlet pipe.

5. The heat exchange unit with convenient maintenance as claimed in claim 1, characterized in that: The protection box is symmetrically provided with doors that can be opened and closed, and the doors are connected to the protection box through hinges.

6. The heat exchange unit with convenient maintenance as claimed in claim 1, characterized in that: The bottom of the base box is symmetrically fixed with support columns, and the bottom ends of the support columns are fixedly installed with anti-slip pads.

7. The heat exchange unit with convenient maintenance according to claim 1, characterized in that: A groove is provided on the top of the base box, and the groove is adapted to the protection box. A pipe hole is provided on the protection box, and a pipe can be inserted to connect with the pipe of the heat exchange unit body.