CN212787578U - Microenvironment individual cooling system - Google Patents
Microenvironment individual cooling system Download PDFInfo
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- CN212787578U CN212787578U CN202020911150.9U CN202020911150U CN212787578U CN 212787578 U CN212787578 U CN 212787578U CN 202020911150 U CN202020911150 U CN 202020911150U CN 212787578 U CN212787578 U CN 212787578U
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Abstract
The utility model belongs to human microenvironment cooling field, concretely relates to individual cooling system of microenvironment. The microenvironment individual cooling system is provided, the position relation of components in the refrigeration module is reasonably designed, and all the components in the refrigeration module are arranged in the integrated U-shaped shell and the lower cover plate; the refrigeration effect is improved through the position relation between the air inlet and the air outlet on the U-shaped shell and the fan assembly; the weight-reducing holes are formed in the lower cover plate, so that the weight of the refrigeration module is reduced.
Description
Technical Field
The utility model belongs to human microenvironment cooling field, concretely relates to individual cooling system of microenvironment can provide the cooling of microenvironment for the human body.
Background
The individual cooling system is a protective clothing system for special operators in a high-temperature damp-heat environment, and has the main functions of absorbing heat load of a human body, maintaining normal body temperature, avoiding heat stress and improving the operation efficiency of the operators.
At present, individual cooling is mainly improved from the aspects of clothes and refrigerating devices, the cooling effect of a human body is improved, and the adopted refrigerating technologies mainly comprise a vapor compression refrigerating technology, a semiconductor refrigerating technology, a vortex tube refrigerating technology, fan blast, a phase-change material and the like. The semiconductor refrigeration efficiency is low, and the energy consumption is large under the same refrigeration capacity; the vortex tube has large noise of refrigerating air and limited application environment range; the fan has limited air blast cooling capacity, is easily influenced by the temperature and humidity of the environment, and sweat evaporates to easily lose water of a human body; the weight of the phase-change material is large under the same cooling capacity, and the working time in the limited volume weight is short; although the volume and weight of the vapor compression refrigeration are greatly limited by elements, the vapor compression refrigeration has the advantages of large refrigeration capacity, stable performance, high COP (coefficient of performance), strong environmental adaptability, wide temperature regulation range and the like, and becomes a research hotspot and a mainstream direction in the industry.
The microclimate human body cooling system and the refrigerating system thereof disclosed in the Chinese patent 201010272847.7 adopt a vapor compression refrigerating technology, and the cooling system consists of a refrigerating system, a control system and a liquid cooling garment. The system has the characteristics of quick start, large cooling capacity, adjustable temperature and the like, but the system has relatively large size and weight, needs to be placed on the ground when in use, and takes the length of a connecting pipeline between the liquid cooling suit and the refrigeration module as the range of motion of a user. When the length of the connecting pipeline is increased to a certain length, the water flow resistance is increased, the flow is reduced, and the heat dissipation capacity of the human body cannot be effectively reduced. When the user needs to frequently switch the working occasions, the refrigeration module needs to be carried by hand, which brings inconvenience to the user. In addition, for some occasions with strict space requirements for users, such as narrow operation space of maintenance personnel, the use of the product is limited to a certain extent.
The evaporator disclosed in the chinese patent 201110230218.2 is placed in a single-cycle personal cooling system in a cooling suit, the system integrates a micro refrigerator and the cooling suit, that is, the evaporator of the micro refrigerator is directly placed in the cooling suit, the evaporator directly absorbs heat emitted from a human body to achieve the purpose of personal cooling, and other parts of the refrigeration cycle are placed outside the cooling suit. However, the present invention has the following problems: when the cooling garment is worn on a human body, the evaporator pipe network in the garment must be made of a material with good heat exchange performance and moderate strength and rigidity, otherwise, the pipe network is easily bent and broken when a user uses the cooling garment, a refrigerant leaks, the system cannot be normally used if the cooling garment is light, and personnel are frostbitten if the cooling garment is heavy. In addition, in some special working occasions, the refrigerant leakage also pollutes the environment, and brings other unpredictable problems. Because of the above problems, although this technique is theoretically established, its practical performance is somewhat deficient, and it has not been practically used.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose: the microenvironment individual cooling system is provided, the position relation of components in the refrigeration module is reasonably designed, and all the components in the refrigeration module are arranged in the integrated U-shaped shell and the lower cover plate; the refrigeration effect is improved through the position relation between the air inlet and the air outlet on the U-shaped shell and the fan assembly; the weight-reducing holes are formed in the lower cover plate, so that the weight of the refrigeration module is reduced.
The technical scheme of the utility model: provides a microenvironment individual cooling system, which comprises a refrigeration module 1, a cooling suit 2 and a power module 31, wherein the refrigeration module 1 is communicated with a secondary refrigerant pipeline arranged in the cooling suit 2 through a secondary refrigerant inlet pipe 21 and a secondary refrigerant outlet pipe 22,
the refrigeration module 1 comprises an upper cover plate 11, a lower cover plate 12, a fan assembly 13, a condenser 141, a refrigeration compressor 152, a compressor driver 120, a water pump 17, a water tank 18 and a water inlet and outlet panel assembly 19;
the upper surface of the lower cover plate 12 is provided with a fan assembly 13, a condenser 141, a refrigeration compressor 152 and a water inlet and outlet panel assembly 19 in sequence from the left side to the right side; a gap is formed between the fan assembly 13 and the condenser 141 to form an air duct and improve the heat exchange efficiency of the condenser 141;
the compressor driver 120 is fixedly connected to the lower cover plate 12 and electrically connected to the compressor 152; the compressor 152 is communicated with the condenser 141, the condenser 141 is communicated with the capillary tube 162, the capillary tube 162 is communicated with the evaporator in the water tank 18, and the evaporator in the water tank 18 is communicated with the compressor 152 to form a refrigerant loop;
the inner side surface of the water inlet and outlet panel component 19 is provided with a water pump 17 and a water tank 18 which are communicated with each other; the water tank 18 is communicated with a secondary refrigerant inlet pipe 21 and a secondary refrigerant outlet pipe 22 to cool the secondary refrigerant in the circulating cooling suit 2;
the upper cover plate 11 is of an integrated U-shaped structure; a plurality of ventilation openings are formed in the front side surface of the upper cover plate 11; the upper cover plate 11, the lower cover plate 12, the fan assembly 13 and the water inlet and outlet panel assembly 19 form a closed shell structure.
Furthermore, the back side of the upper cover plate 11 is connected with a support plate 111, and the waistband 32 penetrates through the support plate 111 to connect the refrigeration module 1 with the cooling suit 2.
Further, a plurality of ventilation holes 121 and a weight-reduction recess 123 are provided on the lower cover 12.
Further, the refrigeration module 1 further includes a dry filter 161, one end of the dry filter 161 is communicated with the evaporator in the water tank 18 through a capillary tube 162, and the other end is communicated with the condenser 141.
Further, the water inlet and outlet panel assembly 19 comprises a mounting panel 195, a water inlet joint 191, a water outlet joint 192, and a switch 193; the water tank 18 is communicated with the secondary refrigerant inlet pipe 21 through a water inlet joint 191; the water tank 18 is communicated with the secondary refrigerant outlet pipe 22 through a water outlet joint 192;
the water inlet joint 191 and the water outlet joint 192 are pneumatic joints.
Further, the fan assembly 13 includes a fan protection net 131, a fan cover 132 and a fan 133; the fan 133 and the fan protective net 131 are both mounted on the fan cover plate 132; the fan 133 is an axial fan.
The utility model has the advantages that: the upper cover plate 11 is of an integrated U-shaped structure, and the upper cover plate 11, the lower cover plate 12, the fan assembly 13 and the water inlet and outlet panel assembly 19 form a closed shell structure, so that the structural strength is improved;
reasonably designing the position relation of components in the refrigeration module so as to arrange the components in the refrigeration module in the integrated U-shaped shell and the lower cover plate; the refrigeration effect is improved through the position relation between the air inlet and the air outlet on the U-shaped shell and the fan assembly; the lower cover plate is provided with lightening holes, so that the weight of the refrigeration module is reduced;
the refrigeration module has characteristics such as small, light in weight, adopts the waistband simultaneously with the refrigeration module system with the carrying mode between the waist, has expanded individual cooling system use scene greatly, can be used to various personnel such as traffic police, mechanical maintenance personnel, armoured tank personnel, fire fighter and locate high temperature environment.
Drawings
FIG. 1 is a schematic diagram of a microenvironment individual cooling system;
FIG. 2 is a top view of a refrigeration module;
FIG. 3 is an exploded view of the individual hypothermia system of the microenvironment;
FIG. 4 is a schematic view of the mounting position of the upper member of the lower cover plate;
FIG. 5 is a schematic view of a lower cover structure;
fig. 6 is a schematic view of the structure of the upper cover plate.
Detailed Description
Example 1:
fig. 1 is a schematic view of a microenvironment individual cooling system, as shown in fig. 1, the microenvironment individual cooling system of this embodiment is mainly composed of a refrigeration module 1, a cooling suit 2 and a power module 31, wherein the refrigeration module 1 is communicated with the cooling suit 2 through a secondary refrigerant inlet pipe 21 and a water outlet pipe 22, so as to realize the circulation of the secondary refrigerant of the system. The refrigeration module 1 is connected with the power module 31 through a male connector 41, a female connector 42 and a cable 43, so that electric energy for the refrigeration module 1 is provided, and the power module is direct current 24V. In the present embodiment, the refrigerant is the eco-refrigerant R134 a.
Fig. 3 is an explosion schematic diagram of the individual cooling system in the microenvironment and fig. 4 is a schematic diagram of the installation position of the upper component of the lower cover plate; as shown in connection with fig. 3 and 4. In this embodiment, the refrigeration module 1 mainly includes an upper cover plate 11, a lower cover plate 12, a fan assembly 13, a condenser 141, a refrigeration compressor 152, a compressor driver 120, a water pump 17, a water tank 18, and an inlet/outlet panel assembly 19. The upper cover plate 11, the lower cover plate 12, the fan cover plate 132 and the water inlet and outlet mounting panel 195 are made of hard aluminum and have the thickness of 2 mm. The refrigeration compressor 152 is a micro dc 24V rotary compressor.
The upper surface of the lower cover plate 12 is provided with a fan assembly 13, a condenser 141, a refrigeration compressor 152 and a water inlet and outlet panel assembly 19 in sequence from the left side to the right side; a gap is formed between the fan assembly 13 and the condenser 141 to form an air duct and improve the heat exchange efficiency of the condenser 141.
The limited space between the upper cover plate 11 and the lower cover plate 12 can be fully utilized by reasonably arranging the positions of the fan assembly 13, the condenser 141, the refrigeration compressor 152 and the water inlet and outlet panel assembly 19. Smooth air ducts are formed inside the upper cover plate 11 and the lower cover plate 12, and heat exchange efficiency is improved.
The fan assembly 13 is mounted on the lower cover plate 12 and is composed of a fan protective net 131, a fan cover plate 132 and a fan 133, wherein the fan 133 is an axial fan and adopts an air suction mode. The condenser 141 is a tube-and-strip heat exchanger and is mounted on the lower cover plate 12. The fan assembly 13 and the condenser 141 are located at adjacent positions, and enough gaps are left between the fan assembly 13 and the condenser 141 to ensure that an air duct is smooth, so that the heat exchange efficiency of the condenser 141 is improved.
The refrigeration compressor 152 is fixed on the lower cover plate 12 through the compressor bracket 151, and the installation angle of the refrigeration compressor is capable of ensuring that one end of the air suction pipe 185 is connected with the refrigerant air outlet 183 of the water tank 18, and the other end is connected with the air suction port of the refrigeration compressor 152; the compressor discharge pipe 142 is secured at one end to the condenser 141 and at the other end to the discharge port of the refrigerant compressor 152. The gap between the refrigeration compressor 152 and the upper cover plate 11 enables the outlet pipe 143 of the condenser 141 to pass through. Condenser 141 is connected to filter-drier 161 via one outlet pipe 143, and condenser 141 is connected to compressor discharge pipe 142 via another outlet pipe. A gap for installing the dry filter 161 is left between the refrigeration compressor 152 and the water pump 17 and the water tank 18.
In the present embodiment, one end of the dry filter 161 is communicated with the evaporator in the water tank 18 through a capillary tube 162, and the other end is communicated with the condenser 141.
The mounting panel 195 in the inlet/outlet panel assembly 19 mounts the inlet fitting 191, the outlet fitting 192, the switch 193, and the wire coil 194. The water inlet joint 191 and the water outlet joint 192 are pneumatic joints, so that the refrigeration module 1 is connected with the cooling suit 2 through a pipeline; when the pipeline connection between the refrigeration module 1 and the cooling suit 2 is disconnected, the water inlet connector 191 and the water outlet connector 192 realize the sealing of the water tank and the water pump. The water tank 18 is connected with the water inlet and outlet panel assembly 19 through screws, and the installation positions ensure that the water inlet joint 191 and the water outlet joint 192 are connected with the water tank 18, so that the circulation of the secondary refrigerant is ensured. In this embodiment, the coolant is water.
The water pump 17 and the temperature control switch 186 are installed at the bottom of the water tank 18, wherein the water pump 17 is supported on the lower cover plate 12. In this embodiment, the water pump 17 is a centrifugal water pump, and an evaporator is installed in the water tank to cool the secondary refrigerant. The water pump 17, the water tank 18 and the evaporator adopt an integrated device. The compressor driver 120 is mounted on the lower cover plate 12 and fixed by a support plate 122.
Fig. 2 is a top view of the refrigeration module, and as shown in fig. 2, the top of the upper cover plate 11 is provided with a water filling port, which is located near the right edge and is located right above the water tank.
Fig. 5 is a schematic structural diagram of the lower cover body, and as shown in fig. 5, the weight-reducing groove 123 is designed on the lower cover plate 12, so as to reduce the weight of the refrigeration module 1. The holes in the lower cover plate 12 are vent holes 121.
Fig. 6 is a schematic structural diagram of the upper cover plate, and as shown in fig. 6, a supporting plate 111 is designed on the rear side of the upper cover plate, and the waistband 32 penetrates through the supporting plate 111 to connect the refrigeration module 1 with the cooling suit 2.
The application method of the embodiment comprises the following steps:
when the water injection device is used, the water injection cover 182 of the upper water tank cover 181 on the refrigeration module 1 is unscrewed, the water tank 18 is filled with water by using a water injection tool, and then the pipeline in the cooling suit 2 is filled with water. Then the individual cooling system refrigeration module 1 is put on the waist belt 32 through the supporting plate 111 and the battery pack 31, the cooling suit 2 is put on, and the waist belt 32 is tied to the waist of the human body. Note that the coolant inlet pipe 21 is connected to the water inlet joint 191, and the water outlet joint 192 is connected to the coolant outlet pipe 22. Finally, the female end 42 of the cable 43 in the battery pack 31 is connected with the male end 41 at the refrigeration module 1, the switch 193 is pressed to switch on the power supply, and the system starts to operate.
The refrigerant compressor 152, the water pump 17 and the fan 133 are all operated at a constant frequency. When the air conditioner is used, the switch 193 is pressed to operate, the water pump 17 and the fan 133 are started firstly, and the refrigeration compressor 152 is started again after 1 minute. The temperature control switch 186 at the lower part of the water tank 18 is of a normally closed type, and when the temperature in the water tank 18 is lower than 13 ℃, the temperature control switch 186 switches off the refrigeration compressor 152, so that the system does not refrigerate; when the temperature in the tank 18 exceeds 25 c, the thermostatic switch 186 closes the compressor and the system starts cooling.
Working principle of the embodiment
The refrigerant enters an evaporator in a water tank 18 in the refrigeration module 1; the refrigerant absorbs the heat of the high-temperature secondary refrigerant entering the water tank 18 from the secondary refrigerant inlet pipe 21 and then becomes low-temperature low-pressure refrigerant superheated gas; then enters the refrigeration compressor 152 from the suction pipe 185 through the refrigerant outlet 183 of the water tank 18, and is compressed into high-temperature and high-pressure superheated refrigerant gas; the refrigerant enters the condenser 141 through the compressor exhaust pipe 142 and becomes high-temperature and high-pressure refrigerant saturated liquid under the air draft and heat dissipation of the fan 133; flows out of the condenser 141 through the liquid outlet pipe 143 and enters the drying filter 161 and the capillary tube 162 in sequence; and becomes a refrigerant gas-liquid mixture of low temperature and low pressure under the throttling and pressure reduction of the capillary tube 162; the refrigerant entering the evaporator in the tank 18 through the refrigerant inlet 184 continues to absorb heat.
The high-temperature secondary refrigerant absorbing heat of the heat body enters an evaporator in the water tank 18 through the secondary refrigerant inlet pipe 21 through the water gap connector 191, the heat is transferred to the refrigerant and then changed into low-temperature secondary refrigerant, the low-temperature secondary refrigerant flows into the water tank 18, and the low-temperature secondary refrigerant enters the cooling suit 2 through the water outlet connector 192 and the water outlet pipe 22 in sequence under the driving of the water pump 17 to absorb heat of the human body.
Claims (6)
1. A microenvironment individual cooling system comprises a refrigeration module (1), a cooling suit (2) and a power module (31), wherein the refrigeration module (1) is communicated with a secondary refrigerant pipeline arranged in the cooling suit (2) through a secondary refrigerant inlet pipe (21) and a secondary refrigerant outlet pipe (22),
the refrigeration module (1) comprises an upper cover plate (11), a lower cover plate (12), a fan assembly (13), a condenser (141), a refrigeration compressor (152), a compressor driver (120), a water pump (17), a water tank (18) and a water inlet and outlet panel assembly (19);
the upper surface of the lower cover plate (12) is provided with a fan assembly (13), a condenser (141), a refrigeration compressor (152) and a water inlet and outlet panel assembly (19) in sequence from the left side to the right side; a gap is reserved between the fan assembly (13) and the condenser (141) to form an air duct and improve the heat exchange efficiency of the condenser (141);
the compressor driver (120) is fixedly connected to the lower cover plate (12) and electrically connected with the compressor (152); the compressor (152) is communicated with the condenser (141), the condenser (141) is communicated with the capillary tube (162), the capillary tube (162) is communicated with the evaporator in the water tank (18), and the evaporator in the water tank (18) is communicated with the compressor (152) to form a refrigerant loop;
the inner side surface of the water inlet and outlet panel component (19) is provided with a water pump (17) and a water tank (18) which are communicated with each other; the water tank (18) is communicated with the secondary refrigerant inlet pipe (21) and the secondary refrigerant outlet pipe (22) to cool the secondary refrigerant in the circulating cooling suit (2);
the upper cover plate (11) is of an integrated U-shaped structure; the front side surface of the upper cover plate (11) is provided with a plurality of ventilation openings; the upper cover plate (11), the lower cover plate (12), the fan assembly (13) and the water inlet and outlet panel assembly (19) form a closed shell structure.
2. The individual microenvironment cooling system of claim 1, wherein the back side of the upper cover plate (11) is connected with a support plate (111), and the waist belt (32) penetrates through the support plate (111) to connect the refrigeration module (1) and the cooling suit (2).
3. The individual microenvironment cooling system of claim 1, wherein the lower cover plate (12) is provided with a plurality of ventilation holes (121) and weight-reduction grooves (123).
4. The individual microenvironment cool down system of claim 1, wherein the refrigeration module (1) further comprises a dry filter (161), one end of the dry filter (161) is in communication with an evaporator in the water tank (18) through a capillary tube (162), and the other end is in communication with the condenser (141).
5. The microenvironment individual cooling system of claim 1, wherein the inlet and outlet panel assembly (19) includes a mounting panel (195), a water inlet fitting (191), a water outlet fitting (192), a switch (193); the water tank (18) is communicated with the secondary refrigerant inlet pipe (21) through a water inlet joint (191); the water tank (18) is communicated with the secondary refrigerant outlet pipe (22) through a water outlet joint (192);
the water inlet joint (191) and the water outlet joint (192) are pneumatic joints.
6. The individual microenvironment cooling system of claim 1, wherein the fan assembly (13) comprises a fan guard (131), a fan cover plate (132) and a fan (133); the fan (133) and the fan protective net (131) are both arranged on the fan cover plate (132); the fan (133) is an axial fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911150.9U CN212787578U (en) | 2020-05-26 | 2020-05-26 | Microenvironment individual cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911150.9U CN212787578U (en) | 2020-05-26 | 2020-05-26 | Microenvironment individual cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212787578U true CN212787578U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020911150.9U Active CN212787578U (en) | 2020-05-26 | 2020-05-26 | Microenvironment individual cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212787578U (en) |
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2020
- 2020-05-26 CN CN202020911150.9U patent/CN212787578U/en active Active
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