Waste heat treatment device of refrigerating unit

Abstract

The utility model discloses a refrigerating unit waste heat treatment device which comprises a box body, a refrigerating unit is arranged in the box body, an opening and closing door is arranged on the front face of the box body, a first conveying pipe is fixedly arranged on one side of the top of the box body in a penetrating mode, one end of the first conveying pipe is connected with a middle cylinder in a sealed mode, and a heat-resisting exhaust fan is fixedly arranged in the middle cylinder. Ventilation holes are formed in the two sides of the middle cylinder respectively, a second conveying pipe is connected to the side, away from the first conveying pipe, of the middle cylinder in a sealed mode, a storage bin is connected to the bottom of the second conveying pipe in a penetrating mode, an output pipe is installed on one side of the storage bin in a penetrating mode, and a valve is installed on the output pipe; the waste heat recovery device solves the problem that when the refrigerating unit operates, a large amount of waste heat is generated while refrigerating is conducted, and generally, the waste heat is discharged after being directly condensed by the refrigerating unit and cannot be recovered, so that energy waste is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat treatment, in particular to a waste heat treatment device for a refrigeration unit. Background Art

[0002] A refrigerator is a mechanical device that uses a compressor to change the pressure of the refrigerant gas to achieve low-temperature refrigeration. The compressor used is different from a general air compressor due to its different use conditions and compressed working medium. According to the differences in the structure and working principle of the refrigerator, it is similar to an air compressor and can also be divided into several different forms such as piston type, screw type, centrifugal type, etc. The refrigerator is one of the most important components of compression refrigeration equipment. The refrigerator is composed of five major parts in series: a compressor, a condenser, an evaporator, a drying filter, and an expansion throttle valve. A proper amount of refrigerant is injected into it, and the electrical appliance controls the operation of the compressor according to the needs of the environment to achieve the purpose of refrigeration and heat transfer.

[0003] The refrigeration unit is used to provide continuous refrigeration for the cold storage in the workshop. The refrigeration unit will generate a large amount of waste heat while cooling during operation. Usually, the waste heat is directly condensed and discharged by the refrigeration unit, and the waste heat is not recovered, which causes a waste of energy. Therefore, the utility model proposes a waste heat treatment device for the refrigeration unit to solve the above problem. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the purpose of the present invention is to provide a waste heat treatment device for a refrigeration unit.

[0005] To achieve the above-mentioned purpose, the utility model provides a waste heat treatment device for a refrigeration unit, comprising a box body, in which a refrigeration unit is arranged, a switch door is arranged on the front side of the box body, a first delivery pipe is fixedly arranged through one side of the top of the box body, one end of the first delivery pipe is sealedly connected to an intermediate tube, a heat-resistant exhaust fan is fixedly arranged in the intermediate tube, ventilation holes are respectively provided on both sides of the intermediate tube, a second delivery pipe is sealedly connected to a side of the intermediate tube away from the first delivery pipe, a storage bin is penetrated and connected at the bottom of the second delivery pipe, an output pipe is penetrated and installed on one side of the storage bin, a valve is installed on the output pipe, a temperature sensor is fixedly arranged on the top of the box body, the temperature sensor is electrically connected to a temperature controller, and the temperature controller is electrically connected to the heat-resistant exhaust fan.

[0006] Furthermore, legs are fixedly provided at the four corners of the bottom of the refrigeration unit, and the refrigeration unit is placed in the box body through the four legs. A first magnetic plate is fixedly provided on the side wall of the storage bin, and a second magnetic plate is fixedly provided on the outer wall of the box body, and the first magnetic plate and the second magnetic plate are adsorbed and fixed to each other.

[0007] Furthermore, a cold air outlet pipe is fixedly arranged on the top of the refrigeration unit, and the top of the cold air outlet pipe passes through the box body and extends upward.

[0008] Furthermore, an air intake pipe is fixedly provided on one side of the refrigeration unit, a first electric valve is installed in the air intake pipe, an air pressure sensor is fixedly provided on the inner wall of the box body, the air pressure sensor is electrically connected to an air pressure controller, and the air pressure controller is electrically connected to the first electric valve.

[0009] Furthermore, a positioning block is fixedly sleeved on the first conveying pipe, and the positioning block is fixed on the top of the box body.

[0010] Furthermore, a transverse tube is fixedly provided at the bottom of the first conveying pipe, the transverse tube is located in the box, both ends of the transverse tube are closed, a plurality of branch tubes are evenly and fixedly provided at the bottom of the transverse tube, and a cover body is fixedly provided at the bottom of the branch tubes.

[0011] Furthermore, a support mechanism is fixedly provided at the bottom of the storage bin, and the support mechanism includes a support plate, and the support plate is fixedly provided at the bottom of the storage bin, and a waterproof plate is fixedly provided at the bottom of the support plate.

[0012] Furthermore, the storage bin comprises a base layer, an outer side of the base layer is fixedly provided with an outer thermal insulation layer, and an inner side of the base layer is fixedly provided with an inner thermal insulation layer.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. Through the heat-resistant exhaust fan, the second delivery pipe, the temperature sensor, the air pressure sensor and the first electric valve and other structures, the cold air generated by the refrigeration unit is discharged from the cold air outlet pipe, and the waste heat generated by the refrigeration unit enters the box. When the temperature sensor senses that the temperature in the box is too high, the heat-resistant exhaust fan is started to work, and the heat-resistant exhaust fan discharges the waste heat in the box into the storage bin for recycling. When the waste heat is needed, the valve is opened, and the waste heat is discharged along the output pipe for secondary use such as heating. The air pressure sensor senses the air pressure in the box. When the air pressure is relatively low, the first electric valve is opened to replenish air into the box in time, which solves the problem that the refrigeration unit will generate a lot of waste heat while cooling during operation. Usually, the waste heat is directly condensed by the refrigeration unit and then discharged, and the waste heat will not be recovered, which causes the problem of energy waste;

[0015] 2. The outer insulation layer and the inner insulation layer are provided to improve the thermal insulation performance of the storage bin, which is convenient for preserving waste heat for a longer period of time. The support plate and the waterproof plate are provided, so that the support plate can provide stable support for the storage bin, and the waterproof plate can provide waterproofing for the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments of the utility model. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is the front view provided by the utility model;

[0018] Figure 2 It is a cross-sectional view provided by the utility model;

[0019] Figure 3 It is a structural schematic diagram of the support mechanism provided by the utility model;

[0020] Figure 4 It is a cross-sectional view of the intermediate cylinder provided by the utility model;

[0021] Description of reference numerals:

[0022] 1. Box body; 2. First electric valve; 3. Inlet pipe; 4. Air pressure sensor; 5. Temperature sensor; 6. Positioning block; 7. First delivery pipe; 8. Refrigeration unit; 9. Support legs; 10. Storage bin; 101. Outer insulation layer; 102. Base layer; 103. Inner insulation layer; 11. Second delivery pipe; 12. Valve; 13. Output pipe; 14. Support mechanism; 141. Support plate; 142. Waterproof plate; 15. Horizontal pipe; 16. Cover body; 17. Branch pipe; 18. Second magnetic plate; 19. First magnetic plate; 20. Intermediate tube; 21. Heat-resistant exhaust fan; 22. Ventilation hole; 23. Open / close door; 24. Cold air outlet pipe. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0024] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order.

[0025] See also Figure 1-4 The utility model provides a refrigeration unit waste heat treatment device, including a box body 1, a refrigeration unit 8 is arranged in the box body 1, a switch door 23 is arranged on the front of the box body 1, a first delivery pipe 7 is fixedly arranged on one side of the top of the box body 1, an intermediate tube 20 is sealed and connected to one end of the first delivery pipe 7, a heat-resistant exhaust fan 21 is fixedly arranged in the intermediate tube 20, ventilation holes 22 are respectively opened on both sides of the intermediate tube 20, a second delivery pipe 11 is sealed and connected to the side of the intermediate tube 20 away from the first delivery pipe 7, a storage bin 10 is penetrated and connected to the bottom of the second delivery pipe 11, an output pipe 13 is penetrated and installed on one side of the storage bin 10, a valve 12 is installed on the output pipe 13, and the box body 1 is provided with a plurality of air outlets. A temperature sensor 5 is fixedly arranged on the top, and the temperature sensor 5 is electrically connected to the temperature controller, and the temperature controller is electrically connected to the heat-resistant exhaust fan 21. Support legs 9 are fixedly arranged at the four corners of the bottom of the refrigerating unit 8, and the refrigerating unit 8 is placed in the box body 1 through the four support legs 9. A first magnetic plate 19 is fixedly arranged on the side wall of the storage bin 10, and a second magnetic plate 18 is fixedly arranged on the outer wall of the box body 1. The first magnetic plate 19 and the second magnetic plate 18 are adsorbed and fixed to each other. A cold air outlet pipe 24 is fixedly arranged on the top of the refrigerating unit 8, and the top of the cold air outlet pipe 24 passes through the box body 1 and extends upward. An air inlet pipe 3 is fixedly arranged on one side of the refrigerating unit 8, and a first electric valve 2 is installed in the air inlet pipe 3. The inner wall of the box body 1 is fixedly arranged An air pressure sensor 4 is arranged, the air pressure sensor 4 is electrically connected to the air pressure controller, the air pressure controller is electrically connected to the first electric valve 2, a positioning block 6 is fixedly sleeved on the first delivery pipe 7, the positioning block 6 is fixed to the top of the box body 1, a transverse pipe 15 is fixedly arranged at the bottom of the first delivery pipe 7, the transverse pipe 15 is located in the box body 1, both ends of the transverse pipe 15 are closed, a plurality of branch pipes 17 are evenly penetrated and fixedly arranged at the bottom of the transverse pipe 15, a cover body 16 is fixedly arranged at the bottom of the branch pipe 17, through the heat-resistant exhaust fan 21, the second delivery pipe 11, the temperature sensor 5, the air pressure sensor 4 and the first electric valve 2 and other structures, the cold air generated by the refrigeration unit is discharged from the cold air outlet pipe 24, and the cold air generated by the refrigeration unit is discharged from the cold air outlet pipe 24. The waste heat enters the box body 1. When the temperature sensor senses that the temperature in the box body 1 is too high, the heat-resistant exhaust fan 21 is started to work. The heat-resistant exhaust fan 21 discharges the waste heat in the box body 1 into the storage bin 10 for recycling. When the waste heat is needed, the valve 12 is opened, and the waste heat is discharged along the output pipe 13 for secondary use such as heating. The air pressure sensor 4 senses the air pressure in the box body 1. When the air pressure is relatively low, the first electric valve 2 is opened to replenish air into the box body 1 in time, which solves the problem that the refrigeration unit generates a large amount of waste heat while cooling during operation. Usually, the waste heat is directly condensed by the refrigeration unit and then discharged, and the waste heat is not recovered, which causes the problem of energy waste.

[0026] See also Figure 1-3A support mechanism 14 is fixedly provided at the bottom of the storage bin 10, and the support mechanism 14 includes a support plate 141. The support plate 141 is fixedly provided at the bottom of the storage bin 10, and a waterproof plate 142 is fixedly provided at the bottom of the support plate 141. The storage bin 10 includes a base layer 102, and an outer thermal insulation layer 101 is fixedly provided on the outer side of the base layer 102, and an inner thermal insulation layer 103 is fixedly provided on the inner side of the base layer 102. The thermal insulation performance of the storage bin 10 is improved by the provision of the outer thermal insulation layer 101 and the inner thermal insulation layer 103, which is convenient for preserving waste heat for a longer period of time. By providing the support plate 141 and the waterproof plate 142, the support plate 141 can play a role of stable support for the storage bin 10, and the waterproof plate 142 can play a role of waterproofing for the support plate 141.

[0027] Working principle and usage of the utility model:

[0028] When in use, the cold air generated by the refrigeration unit is discharged from the cold air outlet pipe 24, and the waste heat generated by the refrigeration unit enters the box body 1. When the temperature sensor senses that the temperature in the box body 1 is too high, the heat-resistant exhaust fan 21 is started to work. The heat-resistant exhaust fan 21 discharges the waste heat in the box body 1 into the storage bin 10 for recovery. When the waste heat is needed, the valve 12 is opened, and the waste heat is discharged along the output pipe 13 for secondary use such as heating. The air pressure sensor 4 senses the air pressure in the box body 1. When the air pressure is relatively low, the first electric valve 2 is opened to replenish air into the box body 1 in time. The outer insulation layer 101 and the inner insulation layer 103 are set to improve the thermal insulation performance of the storage bin 10, which is convenient for preserving waste heat for a longer time. Through the support plate 141 and the waterproof plate 142, the support plate 141 can provide stable support for the storage bin 10, and the waterproof plate 142 can provide waterproof effect on the support plate 141.

[0029] The above description is only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. A waste heat treatment device for a refrigeration unit, characterized in that: It includes a box body, in which a refrigeration unit is arranged, a switch door is arranged on the front side of the box body, a first delivery pipe is fixedly arranged through one side of the top of the box body, one end of the first delivery pipe is sealed with an intermediate tube, a heat-resistant exhaust fan is fixedly arranged in the intermediate tube, ventilation holes are respectively provided on both sides of the intermediate tube, a second delivery pipe is sealed with a side of the intermediate tube away from the first delivery pipe, a storage bin is passed through the bottom of the second delivery pipe, an output pipe is installed through one side of the storage bin, a valve is installed on the output pipe, a temperature sensor is fixedly arranged on the top of the box body, the temperature sensor is electrically connected to a temperature controller, and the temperature controller is electrically connected to the heat-resistant exhaust fan.

2. The refrigeration unit waste heat treatment device according to claim 1, characterized in that: The four corners of the bottom of the refrigeration unit are fixed with legs respectively, and the refrigeration unit is placed in the box body through the four legs. The side wall of the storage bin is fixed with a first magnetic plate, and the outer wall of the box body is fixed with a second magnetic plate. The first magnetic plate and the second magnetic plate are adsorbed and fixed to each other.

3. The refrigeration unit waste heat treatment device according to claim 2, characterized in that: A cold air outlet pipe is fixedly arranged on the top of the refrigerating unit, and the top of the cold air outlet pipe penetrates the box body and extends upward.

4. The refrigeration unit waste heat treatment device according to claim 3, characterized in that: An air intake pipe is fixedly provided on one side of the refrigeration unit, a first electric valve is installed in the air intake pipe, an air pressure sensor is fixedly provided on the inner wall of the box body, the air pressure sensor is electrically connected to an air pressure controller, and the air pressure controller is electrically connected to the first electric valve.

5. The refrigeration unit waste heat treatment device according to claim 4, characterized in that: A positioning block is fixedly sleeved on the first conveying pipe, and the positioning block is fixed on the top of the box body.

6. The refrigeration unit waste heat treatment device according to claim 5, characterized in that: A transverse tube is fixedly provided at the bottom of the first conveying tube, the transverse tube is located in the box, both ends of the transverse tube are closed, a plurality of branch tubes are evenly and fixedly provided at the bottom of the transverse tube, and a cover body is fixedly provided at the bottom of the branch tubes.

7. The refrigeration unit waste heat treatment device according to claim 6, characterized in that: A support mechanism is fixedly arranged at the bottom of the storage bin, and the support mechanism comprises a support plate. The support plate is fixedly arranged at the bottom of the storage bin, and a waterproof plate is fixedly arranged at the bottom of the support plate.

8. The refrigeration unit waste heat treatment device according to claim 7, characterized in that: The storage bin comprises a base layer, an outer side of the base layer is fixedly provided with an outer heat-insulating layer, and an inner side of the base layer is fixedly provided with an inner heat-insulating layer.

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