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CN-224203621-U - Heat guarantee temperature control system and heat guarantee temperature control device

CN224203621UCN 224203621 UCN224203621 UCN 224203621UCN-224203621-U

Abstract

The utility model discloses a heat guarantee temperature control system and a heat guarantee temperature control device, which relate to the technical field of liquid cooling equipment, wherein the heat guarantee temperature control system comprises a liquid cooling main circuit, a refrigerating circuit, a heating circuit and a valve device, wherein the liquid cooling main circuit is used for circulating heat exchange fluid which can realize heat exchange with a heat management object, the refrigerating circuit is used for realizing heat exchange between the heat exchange fluid and an external environment through the heat exchange circuit, the heating circuit is used for heating the heat exchange fluid through a heater, the valve device is used for driving the heat exchange fluid to flow in the liquid cooling main circuit, the valve device is used for regulating and controlling the refrigerating circuit to be independently conducted with the liquid cooling main circuit or regulating and controlling the heating circuit to be independently conducted with the liquid cooling main circuit or regulating and controlling the refrigerating circuit to be conducted with the liquid cooling main circuit after the refrigerating circuit and the heating circuit are connected in series, and the heat guarantee temperature control system and the heat guarantee temperature control device can effectively integrate the refrigerating circuit and the heating circuit into one system, so that the centralized management of the refrigerating circuit and the heating circuit is convenient.

Inventors

  • JIANG MINGBAO
  • HOU XINCHUN
  • WU ZHIHAO
  • XU YUEQIN

Assignees

  • 上海科泰运输制冷设备有限公司

Dates

Publication Date
20260505
Application Date
20250529

Claims (11)

  1. 1. A heat protection temperature control system, comprising: the liquid cooling main path (1) is used for circulating heat exchange fluid capable of realizing heat exchange with a heat management object; the refrigeration loop is used for realizing heat exchange between the heat exchange fluid and the external environment through the heat exchange loop; A heating circuit (4) for heating the heat exchange fluid by a heater; Pump means (5) for driving a flow of heat exchange fluid in said liquid-cooled main circuit (1); And the valve equipment (6) is used for regulating and controlling the refrigeration loop to be independently conducted with the liquid cooling main circuit (1), or regulating and controlling the heating loop (4) to be independently conducted with the liquid cooling main circuit (1), or regulating and controlling the refrigeration loop to be serially connected with the heating loop (4) and then be conducted with the liquid cooling main circuit (1).
  2. 2. The heat protection temperature control system according to claim 1, wherein the heating circuit (4) comprises at least two groups of pipeline heaters connected in parallel; And a valve group is further arranged in the heating loop (4) and used for controlling any group of pipeline heaters to be conducted independently or all the pipeline heaters to be conducted simultaneously.
  3. 3. The heat protection temperature control system of claim 1, wherein the refrigeration circuit comprises: A first heat exchange circuit (2) for exchanging heat between the heat exchange fluid and the outside through a dry cooler (21); A second heat exchange loop (3) for realizing heat exchange between the heat exchange fluid and the outside through a compression refrigeration system; The first heat exchange loop (2) and the second heat exchange loop (3) are connected in parallel and then are communicated with the liquid cooling main circuit (1), and a valve group for regulating and controlling the flow ratio of heat exchange fluid between the first heat exchange loop (2) and the second heat exchange loop (3) is arranged in the valve equipment (6).
  4. 4. A heat protection temperature control system according to claim 3, characterized in that a heat exchanger (35) is arranged in the second heat exchange circuit (3), and the compression refrigeration system exchanges heat with heat exchange fluid in the second heat exchange circuit (3) through the heat exchanger (35); the heating loop (4) is connected with the heat exchanger (35) in series or in parallel.
  5. 5. A heat protection temperature control system according to claim 3, characterized in that at least two sets of condensers (33) connected in parallel are arranged in the compression refrigeration system; And/or the number of the groups of groups, At least two groups of parallel dry coolers (21) are arranged in the first heat exchange loop (2).
  6. 6. The heat protection temperature control system according to claim 5, wherein the condenser (33) and the dry cooler (21) are co-located in an air duct formed by the same fan (7); And the dry cooler (21) is positioned upstream of the air duct formed by the fan (7) compared with the condenser (33).
  7. 7. A heat protection and temperature control system according to claim 3, characterized in that the compressor (31) of the compression refrigeration system is turned on by a four-way valve (36); and the outlet end of the compressor (31) is connected with a one-way valve (32) in series.
  8. 8. The heat protection temperature control system according to claim 1, wherein the pump device (5) comprises at least two groups of independent pump bodies with the same driving direction, and a valve group is further arranged in the pump device (5) and used for controlling any pump body to be independently conducted with the liquid cooling main circuit (1) or controlling all pump bodies to be conducted with the liquid cooling main circuit (1) after being connected in series.
  9. 9. The heat protection temperature control system according to claim 8, characterized in that the pump body comprises a first pump body (51) and a second pump body (52), the first pump body (51) is provided with a first bypass (55) in parallel, and the second pump body (52) is provided with a second bypass (56) in parallel; The valve group comprises a first three-way valve (53) and a second three-way valve (54); The inlet of the first three-way valve (53) is used for introducing heat exchange fluid of the liquid cooling main path (1), and two optionally opened outlets of the first three-way valve (53) are respectively communicated with the inlet of the first pump body (51) and the inlet of the first bypass (55); An inlet of the second three-way valve (54) is communicated with an outlet of the first pump body (51), and two optionally opened outlets of the second three-way valve (54) are respectively communicated with an inlet of the second pump body (52) and an inlet of the second bypass (56); Wherein the inlet of the second pump body (52) is in communication with the outlet of the first bypass (55).
  10. 10. The heat protection temperature control system according to any one of claims 1 to 9, wherein a liquid outlet pressure sensor (11) and a liquid outlet temperature sensor (12) are arranged at a liquid outlet of the liquid cooling main path (1); A liquid return pressure sensor (14) and a liquid return temperature sensor (15) are arranged at the liquid return port of the liquid cooling main circuit (1).
  11. 11. A heat assurance temperature control device comprising a heat assurance temperature control system according to any one of claims 1 to 10; the heat protection temperature control device further comprises at least one cavity body, wherein the cavity body is used for simultaneously accommodating a fan (7) and a main cooler (21), a compressor (31) and a condenser (33) of the refrigerating circuit, and the main cooler (21), the compressor (31) and the condenser (33) are all arranged in an air channel formed by the fan (7).

Description

Heat guarantee temperature control system and heat guarantee temperature control device Technical Field The utility model relates to the technical field of liquid cooling equipment, in particular to a heat guarantee temperature control system and a heat guarantee temperature control device. Background In order to maintain the power battery of the new energy locomotive in a proper working temperature range, a battery thermal management device needs to be configured so as to ensure the performance and the safety of the battery and prolong the service life of the battery. At present, the heat management aspect of the new energy locomotive power battery is mainly based on a liquid cooling technology, the locomotive power battery is cooled through low-temperature liquid, and the generated high-temperature liquid exchanges heat with the external environment, so that the regeneration of the low-temperature liquid is realized, and further, the continuous cooling of the locomotive power battery is realized. In the process of realizing the application, the inventor finds that at least the following problems exist in the prior art, namely, in order to maintain the power battery of the new energy locomotive within a preferred working temperature range, a refrigeration loop and a heating loop are required to be configured. However, the existing system is usually implemented by adopting a plurality of independent systems, which is inconvenient for centralized management. In summary, how to solve the problem that the cooling and heating circuits are independently arranged and are inconvenient for centralized management is a problem to be solved by those skilled in the art. Disclosure of utility model Therefore, the utility model aims to provide a heat protection temperature control system, which can effectively integrate a refrigerating circuit and a heating circuit into a system, realize the conduction state regulation of the refrigerating circuit and the heating circuit through valve equipment, and further facilitate the centralized management of the refrigerating circuit and the heating circuit. The utility model also aims to provide a heat guarantee temperature control device comprising the heat guarantee temperature control system, which has the same technical characteristics and can effectively solve the same technical problems. In order to achieve the above object, the present utility model provides the following technical solutions: a heat-assured temperature control system, comprising: the liquid cooling main path is used for circulating heat exchange fluid capable of realizing heat exchange with a heat management object; the refrigeration loop is used for realizing heat exchange between the heat exchange fluid and the external environment through the heat exchange loop; The heating loop is used for heating the heat exchange fluid through the heater; pump means for driving a heat exchange fluid to flow within said liquid cooled main circuit; And the valve equipment is used for regulating and controlling the refrigeration loop to be singly conducted with the liquid cooling main path, or regulating and controlling the heating loop to be singly conducted with the liquid cooling main path, or regulating and controlling the refrigeration loop to be serially connected with the heating loop and then to be conducted with the liquid cooling main path. Optionally, the heating loop comprises at least two groups of pipeline heaters which are mutually connected in parallel; And a valve group is further arranged in the heating loop and used for controlling any group of pipeline heaters to be conducted independently or all the pipeline heaters to be conducted simultaneously. Optionally, the refrigeration circuit includes: The first heat exchange loop realizes heat exchange between the heat exchange fluid and the outside through the dry cooler; The second heat exchange loop realizes heat exchange between the heat exchange fluid and the outside through the compression refrigeration system; The valve device comprises a first heat exchange loop and a second heat exchange loop, wherein the first heat exchange loop and the second heat exchange loop are connected in parallel and then are communicated with the liquid cooling main circuit, and a valve group for regulating and controlling the heat exchange fluid flow ratio between the first heat exchange loop and the second heat exchange loop is arranged in the valve device. Optionally, a heat exchanger is arranged in the second heat exchange loop, and the compression refrigeration system exchanges heat with heat exchange fluid in the second heat exchange loop through the heat exchanger; the heating loop is connected with the heat exchanger in series or in parallel. Optionally, at least two groups of condensers connected in parallel are arranged in the compression refrigeration system; And/or the number of the groups of groups, At least two groups of parallel dry coolers are arranged in