Cold source bag of liquid cooling suit

Abstract

The utility model belongs to the technical field of liquid cooling clothes, and particularly relates to a cold source bag of a liquid cooling clothes, which comprises a water bag and an ice bag, circulating refrigerant is filled in the water bag, the ice bag is arranged in the circulating refrigerant in the water bag, the inside of the water bag is sequentially and uniformly divided into a first area, a second area and a third area from top to bottom, and the first area, the second area and the third area are communicated with each other. The ice bag comprises a first ice bag body arranged in the first area, a second ice bag body arranged in the second area and a third ice bag body arranged in the third area, the first ice bag body and the second ice bag body are slow-cooling ice bag bodies which are filled with first phase-change materials and can slowly cool, and the first phase-change materials are filled with second phase-change materials. The third ice bag is a quick-cooling ice bag which is filled with a second phase change material and can be quickly cooled; the freezing point of the refrigerant is higher than that of the first phase change material and that of the second phase change material; according to the scheme, the cold source bag capable of being integrally and rapidly replaced is comprehensively provided, and convenience and rapidness are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquid cooling clothing, and in particular relates to a cold source bag of liquid cooling clothing. Background Art

[0002] Harsh high-temperature working environments exist in many industries. However, due to limitations in work scenarios or conditions, it is often impossible to provide workers in these industries with cooling measures such as air conditioning. Therefore, they have to be under the threat of high temperatures frequently. Liquid cooling suits can effectively alleviate the discomfort caused by high temperatures and reduce the risk of heatstroke and heat stroke for workers working in high-temperature environments. Currently, there are many types of liquid cooling suits on the market, but most of them have certain problems.

[0003] For example, the utility model patent with announcement number CN212437360U discloses an ice water circulation liquid cooling suit, which directly exchanges heat with human skin by sewing a cooling water circulation channel on the main body of the liquid cooling suit, and brings the human body's heat into a water bag with an ice box inside through circulating water, thereby realizing heat exchange and achieving the purpose of cooling.

[0004] However, in this solution, the ice box is first frozen, and then circulating water at room temperature is introduced into the water bag. Since it takes a certain amount of time for the circulating water and the ice box to exchange heat, the temperature of the circulating water often does not reach the ideal temperature when the circulation starts, that is, it is difficult to achieve rapid cooling. At the same time, if a single ice box is used for cooling, if the volume of the ice box is made too large, the overall weight of the liquid cooling suit will increase, increasing the burden on the user. On the contrary, if the volume of the ice box is designed to be smaller, the heat exchange area (surface area of ​​the ice box) will be small and the battery life will be short. In addition, in order to prevent the circulating water from being frozen, the water bag cover needs to be opened first, the circulating water in the water bag needs to be poured out, and then new circulating water needs to be added after the freezing is completed, and the water bag cover needs to be tightened. The operation is cumbersome, and it is inevitable to contact the circulating water during the pouring process, which brings a lot of inconvenience to the work.

[0005] For another example, a Chinese invention patent with announcement number CN113576064B discloses a liquid cooling suit with adjustable circulating water temperature, including a suit body and a liquid cooling pipeline. The suit body is provided with a cold source pocket and a battery power pocket connected to the liquid cooling pipeline. The cold source pocket is provided with an ice box and a water storage box, and a constant temperature water valve connected to the ice box and the water storage box at the same time. The ice box in this scheme also has the above-mentioned problems. In addition, in this scheme, the temperature of the circulating water is regulated by adding a constant temperature water valve, and an additional power supply is required at the same time, which will undoubtedly increase the weight of the entire liquid cooling suit. In addition, the device supplements the cold source by manually adding ice cubes, which means that an opening needs to be opened on the ice box. If the opening is too small, it is not easy to add ice cubes. If the opening is too large, it is difficult to ensure sealing, which can easily lead to ice water leakage. After the ice box melts, water will be produced. Continuously adding water to the ice box will cause the water in the ice box to gradually increase, and then the problem of pouring water will be involved.

[0006] In view of this, there is an urgent need for a cold source bag with a simple structure, which can be quickly replaced and has a long service life. Utility Model Content

[0007] The utility model aims to provide a cold source bag for liquid cooling clothing, by providing an integrated and quickly replaceable cold source bag, so that the replacement of the cold source bag is more convenient and quick, thereby improving the user experience.

[0008] In order to solve the above-mentioned technical problems, the utility model specifically adopts the following technical solutions: a liquid cooling clothing cold source bag, including a water bag and an ice bag, the water bag is filled with a circulating refrigerant, the ice bag is arranged in the circulating refrigerant in the water bag, and the inside of the water bag is evenly divided into a first area, a second area and a third area from top to bottom;

[0009] The ice bag comprises a first ice bag arranged in the first area, a second ice bag arranged in the second area, and a third ice bag arranged in the third area, wherein the first ice bag and the second ice bag are slow cooling ice bags filled with a first phase change material and capable of cooling slowly, and the third ice bag is a quick cooling ice bag filled with a second phase change material and capable of cooling quickly; the circulating refrigerant is a glycerol mixture having a freezing point lower than that of the first phase change material and the second phase change material; the second area is provided with a first quick plug, and the third area is provided with a second quick plug;

[0010] A connecting piece is provided inside the water bag, and the connecting piece is provided with three accommodating cavities for accommodating the first phase change material or the second phase change material from top to bottom corresponding to the first area, the second area and the third area, respectively. The three accommodating cavities form a first ice bag, a second ice bag and a third ice bag from top to bottom, respectively.

[0011] As an improvement, the two ends of the connecting piece are respectively fixed to the top and the bottom of the water bag, so that the ice bag is suspended in the refrigerant inside the water bag.

[0012] As an improvement, one side of the connecting piece is fixed to the side wall inside the water bag, so that the ice bag and the water bag are relatively fixed.

[0013] As an improvement, the first area and the second area are separated by a diaphragm, and a first channel and a second channel are respectively reserved on the diaphragm for connecting the first area and the second area, and the first channel and the second channel are respectively provided with a one-way valve.

[0014] As an improvement, the water bag and the ice bag are both rectangular in shape, and the width of the ice bag is smaller than that of the water bag, so that the ice bag is located between two side walls of the water bag.

[0015] As an improvement, the cross-sectional shape of the side of the ice bag is O-shaped.

[0016] As an improvement, a temperature and humidity sensor is provided on the outer wall of the water bag.

[0017] As an improvement, the water bag is made of TPU composite fabric.

[0018] As an improvement, a mounting port for hanging is provided on the top of the water bag.

[0019] As an improvement, Velcro is provided on the outer wall of the water bag.

[0020] The principle and beneficial effects of the utility model are:

[0021] This solution designs a partitioned integrated cold source bag, freezes the cold source bag synchronously, divides the water bag into different functional areas, sets ice bags with different cooling speeds in different functional areas, and sets different working modes according to the ambient temperature. This achieves rapid initial refrigeration while ensuring a longer battery life.

[0022] Specifically, a glycerin mixture is used as a circulating refrigerant in the present application. There is no need to pour out the glycerin mixture when in use. Since the freezing point of the glycerin mixture is lower than that of the phase change material, the glycerin mixture can still remain in a fluid state when the phase change material is frozen. Therefore, the cold source bag in the present solution can be frozen as a whole at the same time. That is to say, compared with the traditional cold source bag, the cold source bag in the present solution eliminates the steps of pouring out and adding circulating refrigerant when in use, and is more convenient and quick to use.

[0023] In the prior art, it is necessary to first add water to the water bag, and then install the water bag on the liquid cooling suit to participate in heat exchange. At this time, since the water is at room temperature, it will first exchange heat with the ice bag, thereby consuming part of the cold energy and shortening the life of the cold source bag. On the other hand, it takes a certain amount of time for the temperature of the water and the ice bag to reach equilibrium. If the liquid cooling suit is connected after equilibrium is reached, the purpose of rapid cooling cannot be achieved. If the liquid cooling suit is connected before equilibrium is reached, the heat exchange efficiency will be reduced. In the present solution, the glycerol mixture is frozen together, so the temperature of the glycerol mixture and the ice bag are basically the same, so that the entire cold source bag can be used as a cold source as a whole. Compared with the prior art, the cold energy is more sufficient and can be directly heat exchanged with the circulating refrigerant in the liquid cooling suit to achieve the purpose of rapid cooling. And when replacing, the entire cold source bag is directly replaced without the need for additional filling of circulating refrigerant, thereby achieving quick and convenient replacement.

[0024] And precisely because the temperature of the glycerin mixture is basically the same as that of the ice bag, there is no need for heat exchange with the ice bag, so that the entire cold source bag can be used as a cold source as a whole, which has more sufficient cooling capacity than the prior art. Therefore, this solution sets different working modes. When the cooling demand is general and the battery life is required to be longer, two ice bags are used for cooling, and the other one is used as a backup and does not participate in the early heat exchange, but participates in the later heat exchange, further extending the battery life; when the cooling demand is large and the cooling speed is required to be high, the three ice bags can be cooled synchronously. In this way, the working mode can be selected according to the specific situation, thereby meeting the cooling demand while avoiding the problem of user discomfort and waste of cold source caused by excessive cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without paying creative labor.

[0026] Figure 1 It is a schematic diagram of the overall structure of the liquid cooling suit in the utility model;

[0027] Figure 2 It is a schematic diagram of the liquid cooling suit of the present invention when the pocket is opened;

[0028] Figure 3a It is a front view of the cold source bag in the utility model;

[0029] Figure 3b It is a side view of the cold source bag in the utility model;

[0030] Figure 3c It is a top view of the cold source bag in the utility model;

[0031] Figure 3d Schematic diagram of other angles of the cold source bag in the utility model;

[0032] Figure 4 It is a schematic diagram of the cold source bag partition structure in the utility model.

[0033] Markings in the figure: 1. Garment body; 2. Pocket; 3. Cold source bag; 31. Water bag; 311. First area; 312. Second area, 313. Third area; 32. Ice bag; 321. First ice bag; 322. Second ice bag; 323. Third ice bag; 33. First quick plug; 34. Second quick plug; 35. Mounting port; 36. Temperature and humidity sensor; 4. Velcro; 5. Zipper; 6. Circulating refrigerant; 7. First channel; 8. Second channel. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Herein, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present invention, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0036] In this document, the terms "upper", "lower", "inner", "outer", "front", "rear", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In this document, unless otherwise clearly specified or limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0038] Herein "and / or" includes any and all combinations of one or more of the associated listed items.

[0039] Herein, "plurality" means two or more than two, ie, it includes two, three, four, five, etc.

[0040] The embodiment is basically as follows Figure 1-Figure 4 As shown:

[0041] like Figure 1-Figure 2 The utility model provides a liquid cooling suit, comprising a suit body 1 and a cold source bag 3, wherein a liquid cooling pipeline is arranged in the suit body, and a circulating refrigerant is arranged in the liquid cooling pipeline, and a pocket 2 for accommodating the cold source bag 3 is arranged on the back part of the suit body, and the water inlet and outlet of the liquid cooling pipeline respectively pass through the suit body 1 and are located in the pocket 2 and connected with the cold source bag; a heat preservation layer (preferably a heat-insulating fabric) is arranged inside the pocket 2, and a Velcro 4 for fixing a water bag is arranged on the side of the pocket 2 close to the back of the human body; a zipper 5 is arranged on the pocket, and a better heat preservation effect can be achieved by pulling up the zipper 5 when in use, and the zipper 5 can be opened when taking and placing the cold source bag 3, which is convenient and quick.

[0042] like Figure 3a-Figure 4 As shown, the cold source bag includes a water bag 31 and an ice bag 32. The water bag 31 is filled with a circulating refrigerant 6, and the ice bag 32 is arranged in the circulating refrigerant 6 in the water bag 31. By immersing the ice bag in the circulating refrigerant, the contact area between the ice bag and the circulating refrigerant can be greatly increased, thereby improving the cooling efficiency of the ice bag.

[0043] The water bag is evenly divided into a first area 311, a second area 312 and a third area 313 from top to bottom; the ice bag includes a first ice bag 321 arranged in the first area, a second ice bag 322 arranged in the second area and a third ice bag 323 arranged in the third area, wherein the first ice bag and the second ice bag are slow-cooling ice bags filled with a first phase change material and capable of slowly cooling, and the third ice bag is a quick-cooling ice bag filled with a second phase change material and capable of quickly cooling; the second area is provided with a first quick plug 33 connectable to the water inlet end, and the third area is provided with a second quick plug 34 connectable to the water outlet end.

[0044] The first area 311 and the second area 312 are separated by a diaphragm, and a first channel 7 and a second channel 8 are respectively provided on the diaphragm for connecting the first area 311 and the second area 312, and the first channel 7 and the second channel 8 are respectively provided with an electrically controlled valve.

[0045] In some embodiments, a connector is provided inside the water bag, and the connector is provided with three accommodating cavities for accommodating the first phase change material or the second phase change material corresponding to the first area, the second area and the third area from top to bottom, respectively. The three accommodating cavities form a first ice bag, a second ice bag and a third ice bag from top to bottom, respectively; the two ends of the connector are respectively fixed to the top and the bottom of the water bag, so that the ice bag is suspended in the refrigerant inside the water bag, thereby ensuring the heat exchange area between the ice bag and the circulating refrigerant.

[0046] In some embodiments, the water bag is made of TPU composite fabric, and the connecting piece can be a plastic film.

[0047] In other embodiments, the first ice bag, the second ice bag and the third ice bag have the same shape, and their side cross-sectional shape is O-shaped. The middle part (i.e., the protruding part) of one of the side walls of the ice bag is fixed to the inner wall of the water bag, thereby increasing the relative stability of the ice bag and the water bag, and at the same time having little effect on the contact area between the ice bag and the circulating refrigerant.

[0048] In this article, phase change material refers to phase change energy storage material. Depending on its formulation, its phase change enthalpy, thermal conductivity, specific heat capacity, freezing point are different, and thus its cooling rate is different. For example, Chinese utility model patent with publication number CN103820083B discloses a phase change cold storage composite material; specific materials can be selected and purchased on the market according to needs.

[0049] This solution combines an ice pack, a quick plug and a water bag into a "cold battery". When in use, the entire "cold battery" can be directly replaced, which is convenient and quick. At the same time, by setting ice packs with different cooling speeds in different areas, the quick-cooling ice pack can quickly cool down, while the slow-cooling ice pack can effectively ensure the life of the cold source bag.

[0050] In some embodiments, the coolant is a glycerol mixture, which has a lower freezing point than the phase change material. When the phase change material is frozen, the glycerol mixture can still remain in a fluid state. Therefore, the cold source bag in this solution can be frozen as a whole at the same time. That is to say, compared with traditional cold source bags, the cold source bag in this solution eliminates the steps of pouring out and adding circulating refrigerant when used, and is more convenient and quick to use.

[0051] The glycerol mixture in this solution refers to a mixture of glycerol (i.e., propylene glycol) and purified water in a ratio of 2:1.

[0052] The third water bag is provided with a temperature and humidity sensor 36, the outside of the clothing body is provided with an ambient temperature sensor, and the liquid cooling suit is also provided with a water pump for driving the circulating refrigerant to circulate between the liquid cooling pipeline and the water bag, and a controller. The controller is electrically connected to the water pump, the ambient temperature sensor, the temperature and humidity sensor and the electric control valve respectively, and the controller is used to control the opening and closing of the water pump and the electric control valve. In addition, the liquid cooling suit is also provided with a portable mobile power supply.

[0053] In some embodiments, Figure 2 and Figure 3a As shown, a mounting port 35 for hanging is provided on the top of the water bag, and correspondingly, a fixing piece (preferably in the form of a cloth strip and a snap button) matching with the mounting port is provided inside the pocket; Velcro is provided on the outer wall of the water bag 3, and correspondingly, Velcro is also provided inside the pocket, so that the water bag 3 can match with the Velcro in the pocket and be fixed inside the pocket through the Velcro.

[0054] The double insurance of the fixing parts and Velcro can effectively fix the cold source bag to prevent the cold source bag from shaking in the pocket.

[0055] In some embodiments, a control system is integrated into the liquid cooling suit, and the system communicates data with the controller, specifically including:

[0056] Data acquisition module: configured to obtain ambient temperature and water bag temperature;

[0057] The first processing module is configured to determine whether the difference between the ambient temperature and the preset target temperature is greater than a first set temperature threshold; if so, control the liquid cooling suit to start the first working state; if not, control the liquid cooling suit to start the second working state;

[0058] Wherein, the first working state is that the electric control valve and the water pump are opened at the same time, and the first water bag, the second water bag and the third water bag perform synchronous heat exchange with the circulating refrigerant participating in the circulation; the second working state is that the water pump is turned on, the electric control valve is closed, and the second water bag and the third ice bag perform heat exchange with the circulating refrigerant participating in the circulation;

[0059] The second processing module is configured to determine whether the temperature of the water bag is greater than a second set threshold when the liquid cooling suit is in the second working state. If so, the electric control valve is controlled to open, and the first water bag is added to the second water bag and the third water bag for synchronous heat exchange.

[0060] In some embodiments, the system further comprises:

[0061] Prompt module: configured to prompt the user to replace the water bag when the temperature of the water bag is greater than the third set threshold.

[0062] Working principle:

[0063] When using liquid cooling clothing, users can set the target temperature in advance, then determine the difference between the ambient temperature and the target temperature, and select the corresponding working mode. For example, when the cooling demand is high, directly enter the first working state (three water bags participate in heat exchange at the same time); for example, when the cooling demand is general, first enter the second working state (the second water bag and the third water bag participate in heat exchange, and the first water bag is isolated and does not participate in heat exchange), and then monitor the ambient temperature and the temperature of the cold source bag in real time. When the ambient temperature or the temperature of the cold source bag rises to the set value, the liquid cooling clothing is controlled to enter the first working state; when the cooling capacity of the ice bag is insufficient and the temperature of the water bag rises, the user is notified in time to replace it.

[0064] This solution provides a liquid cooling suit with an integrated replaceable cold source bag, which is convenient and quick to use; at the same time, by providing ice bags with different cooling properties and combining different working modes at different temperatures, scientific cooling is achieved, greatly improving the user experience.

[0065] Based on the above liquid cooling suit, the utility model also provides a control method of the liquid cooling suit, comprising the following steps:

[0066] S101 obtains the ambient temperature and the water bag temperature;

[0067] The ambient temperature is the external ambient temperature measured by the ambient temperature sensor, and the water bag temperature is the temperature measured by the temperature and humidity sensor.

[0068] S102 determines whether the difference between the ambient temperature and the preset target temperature is greater than a first set temperature threshold;

[0069] S103: If yes, control the liquid cooling suit to start the first working state; if no, control the liquid cooling suit to start the second working state;

[0070] Wherein, the first working state is that the electric control valve and the water pump are opened at the same time, and the first water bag, the second water bag and the third water bag perform synchronous heat exchange with the circulating refrigerant participating in the circulation; the second working state is that the water pump is turned on, the electric control valve is closed, and the second water bag and the third ice bag perform heat exchange with the circulating refrigerant participating in the circulation;

[0071] S104: When the liquid cooling suit is in the second working state, determine whether the temperature of the water bag is greater than a second set threshold; if so, control the electronically controlled valve to open, and the first water bag joins the second water bag and the third water bag to perform heat exchange synchronously.

[0072] In some embodiments, the above method further includes the step: S105 determines whether the temperature of the water bag is greater than a third set threshold, and if so, prompts the user to replace the water bag.

[0073] Among them, the first set temperature threshold, the second set threshold and the third set threshold are arranged from low to high.

[0074] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0075] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all fall within the protection of the utility model.

Claims

1. A cold source bag for liquid cooling clothing, comprising a water bag and an ice bag, wherein the water bag contains a circulating refrigerant, and the ice bag is arranged in the circulating refrigerant in the water bag, characterized in that: The interior of the water bag is evenly divided into a first area, a second area and a third area from top to bottom; The ice bag comprises a first ice bag arranged in the first area, a second ice bag arranged in the second area, and a third ice bag arranged in the third area, wherein the first ice bag and the second ice bag are slow cooling ice bags filled with a first phase change material and capable of cooling slowly, and the third ice bag is a quick cooling ice bag filled with a second phase change material and capable of cooling quickly; the circulating refrigerant is a glycerol mixture having a freezing point lower than that of the first phase change material and the second phase change material; the second area is provided with a first quick plug, and the third area is provided with a second quick plug; A connecting piece is provided inside the water bag, and the connecting piece is provided with three accommodating cavities for accommodating the first phase change material or the second phase change material from top to bottom corresponding to the first area, the second area and the third area, respectively. The three accommodating cavities form a first ice bag, a second ice bag and a third ice bag from top to bottom, respectively.

2. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The two ends of the connecting piece are respectively fixed to the top and the bottom of the water bag, so that the ice bag is suspended in the refrigerant inside the water bag.

3. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: One side of the connecting piece is fixed to the side wall inside the water bag, so that the ice bag and the water bag are relatively fixed.

4. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The first area and the second area are separated by a diaphragm, and a first channel and a second channel are respectively reserved on the diaphragm for connecting the first area and the second area, and the first channel and the second channel are respectively provided with a one-way valve.

5. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The water bag and the ice bag are both in a rectangular shape, and the width of the ice bag is smaller than that of the water bag, so that the ice bag is located between two side walls of the water bag.

6. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The cross-sectional shape of the side surface of the ice bag is O-shaped.

7. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: A temperature and humidity sensor is arranged on the outer wall of the water bag.

8. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The water bag is made of TPU composite fabric.

9. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: The top of the water bag is provided with a hanging opening for hanging.

10. The cold source bag of a liquid cooling suit according to claim 1, characterized in that: Velcro is arranged on the outer wall of the water bag.

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