CN113335568B - Control method and device of thermal control system and thermal control system - Google Patents
Control method and device of thermal control system and thermal control system Download PDFInfo
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- CN113335568B CN113335568B CN202110878493.9A CN202110878493A CN113335568B CN 113335568 B CN113335568 B CN 113335568B CN 202110878493 A CN202110878493 A CN 202110878493A CN 113335568 B CN113335568 B CN 113335568B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/46—Arrangements or adaptations of devices for control of environment or living conditions
- B64G1/50—Arrangements or adaptations of devices for control of environment or living conditions for temperature control
- B64G1/506—Heat pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/46—Arrangements or adaptations of devices for control of environment or living conditions
- B64G1/50—Arrangements or adaptations of devices for control of environment or living conditions for temperature control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/06—Control arrangements therefor
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Abstract
The embodiment of the application provides a control method and a control device of a thermal control system and the thermal control system, wherein the method comprises the following steps: acquiring the temperature of a liquid storage device of the main loop heat pipe as a liquid storage device temperature value; acquiring the time length of the liquid storage device at the liquid storage device temperature value as a time length value; and controlling the working state of the thermal control system according to the temperature value of the liquid storage device, the time length value and a preset threshold value. The problem of unstable work of a control system based on a loop heat pipe in the prior art is solved.
Description
Technical Field
The application relates to the technical field of heat transfer elements, in particular to a control method and device of a thermal control system and the thermal control system.
Background
At present, a loop heat pipe is efficient two-phase heat transfer equipment, has the characteristics of high heat transfer performance, long-distance heat transfer, excellent temperature control characteristic, optional bending of a pipeline, convenience in installation and the like, and has incomparable advantages compared with other heat transfer equipment, so that the loop heat pipe has very wide application prospects in various fields of aviation, aerospace, ground electronic equipment heat dissipation and the like.
Since the loop heat pipe is applied to the thermal control of the spacecraft, the temperature fluctuation in the running process of the loop heat pipe and the influence of the temperature fluctuation on the running stability are always widely concerned. As a complex two-phase heat transfer system, the on-orbit stable operation of the loop heat pipe is important for the normal operation and continuous stable operation of loads or electronic equipment utilizing the heat transfer and temperature control of the loop heat pipe.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method and an apparatus for controlling a thermal control system, and a thermal control system, so as to implement efficient, healthy, and stable operation of the thermal control system.
In a first aspect, an embodiment of the present application provides a method for controlling a thermal control system, where the thermal control system is based on a loop heat pipe, and the method includes:
acquiring the temperature of a liquid storage device of the main loop heat pipe as a liquid storage device temperature value;
acquiring the time length of the liquid storage device at the liquid storage device temperature value as a time length value;
and controlling the working state of the thermal control system according to the temperature value of the liquid storage device, the time length value and a preset threshold value.
In the implementation process, the working state of the current thermal control system can be obtained by obtaining the temperature value of the liquid storage device and the time length value of the liquid storage device at the temperature value of the liquid storage device. Furthermore, the parameter values are compared with a preset threshold value, the working state of the thermal control system is adjusted, and the healthy, stable and efficient work of the thermal control system can be guaranteed.
Further, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold;
the step of controlling the working state of the thermal control system according to the reservoir temperature value, the time length value and the preset threshold value comprises the following steps:
and when the temperature value of the liquid storage device is higher than the upper limit temperature of the first temperature threshold range and lower than the upper limit temperature of the second temperature threshold range, and the time length value is larger than the time threshold, closing the main loop heat pipe and opening the backup loop heat pipe.
In the implementation process, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold, the first temperature threshold range and the second temperature threshold range including an upper temperature limit and a lower temperature limit, respectively. Monitoring the temperature of the equipment during the working process of the equipment, and if the temperature value of the liquid storage device exceeds the upper limit temperature of a first temperature threshold range and is lower than the upper limit temperature of a second temperature threshold range and the duration exceeds a time threshold, indicating that the loop heat pipe is abnormally operated or the liquid storage device temperature control heater is abnormally heated; the continued expansion of the fault may cause the temperature of the load equipment to exceed the upper limit, at which time the primary loop heat pipe should be turned off, the backup loop heat pipe should be turned on, and the normal operation of the thermal control system is maintained.
Further, the step of controlling the working state of the thermal control system according to the reservoir temperature value, the time length value, and the preset threshold value further includes:
and when the temperature value of the liquid storage device is lower than the lower limit temperature of the first temperature threshold range and higher than the lower limit temperature of the second temperature threshold range, and the time length value is greater than the time threshold, closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
In the implementation process, the temperature of the equipment is monitored during the working process of the equipment, and if the temperature value of the liquid storage device is lower than the lower limit temperature of the first temperature threshold range and higher than the lower limit temperature of the second temperature threshold range and the duration exceeds a time threshold, the fault of the thermistor of the liquid storage device at the moment is indicated, and the reading is higher; the continuous expansion of the fault may cause the loop heat pipe to fail to control the temperature, the temperature of the load equipment is low, the temperature control heating loop of the main loop heat pipe should be closed, the backup temperature control heating loop of the main loop heat pipe should be opened, and the normal work of the thermal control system is maintained.
Further, the step of controlling the working state of the thermal control system according to the reservoir temperature value, the time length value, and a preset threshold value further includes:
and when the temperature value of the liquid storage device exceeds the upper limit temperature of the second temperature threshold range and the time length value is greater than the time threshold, closing the temperature control heating loop of the main loop heat pipe and opening the backup temperature control heating loop of the main loop heat pipe.
In the implementation process, the temperature of the equipment is monitored during the working process of the equipment, and if the temperature value of the liquid storage device exceeds the upper limit temperature of the second temperature threshold range and the duration time exceeds a time threshold, the heater of the liquid storage device is disconnected; the continuous expansion of the fault can cause the loop heat pipe to fail to control the temperature, and the temperature of the load equipment is lower; the temperature control heating loop of the main loop heat pipe should be closed, and the backup temperature control heating loop of the main loop heat pipe should be opened to keep the normal operation of the thermal control system.
Further, the step of controlling the working state of the thermal control system according to the reservoir temperature value, the time length value, and a preset threshold value further includes:
and when the temperature value of the liquid storage device is lower than the lower limit temperature of the second temperature threshold range and the time length value is larger than the time threshold, closing the temperature control heating loop of the main loop heat pipe and opening the backup temperature control heating loop of the main loop heat pipe.
In the implementation process, the temperature of the equipment is monitored during the working process of the equipment, and if the temperature value of the liquid accumulator is lower than the upper limit temperature of the second temperature threshold range and the duration time exceeds a time threshold, the fault and the low reading of the liquid accumulator thermistor are indicated; the fault is continuously expanded, so that the loop heat pipe can not normally run, and the temperature of the load equipment exceeds the upper limit; the temperature control heating loop of the main loop heat pipe should be closed, and the backup temperature control heating loop of the main loop heat pipe should be opened to keep the normal operation of the thermal control system.
Further, after the steps of closing the temperature-controlled heating loop of the main loop heat pipe and opening the backup temperature-controlled heating loop of the main loop heat pipe, the method further comprises the following steps:
and switching the original thermistor of the main loop heat pipe to the backup thermistor.
In the implementation process, when the temperature of the liquid storage device is abnormal, the thermistor is likely to be damaged, so that after the temperature control heating loop of the main loop heat pipe is closed and the backup temperature control heating loop of the main loop heat pipe is opened, the original thermistor of the main loop heat pipe is switched to the backup thermistor. Based on the above embodiment, the normal operation of the thermal control system can be further ensured.
Further, the step of obtaining the temperature of the reservoir of the main loop heat pipe as a reservoir temperature value includes:
and acquiring the temperature of a thermistor of a liquid accumulator of the main loop heat pipe as a temperature value of the liquid accumulator.
In the implementation process, when the temperature of the liquid storage device is abnormal, the thermistor is possibly damaged, and the temperature of the thermistor is directly acquired to serve as the temperature value of the liquid storage device. Based on the above embodiment, the obtained temperature can be ensured to accurately reflect the working state of the liquid storage device, and the normal work of the thermal control system is further ensured.
In a second aspect, an embodiment of the present application provides a control apparatus for a thermal control system, where the apparatus includes:
the acquisition module acquires the temperature of a liquid storage device of the main loop heat pipe and takes the temperature as a temperature value of the liquid storage device; acquiring the time length of the main loop heat pipe at the temperature value of the liquid storage device as a time length value;
and the execution module is used for controlling the working state of the thermal control system according to the liquid storage device temperature value, the time length value and a preset threshold value.
In the implementation process, the obtaining module can obtain the working state of the current thermal control system by obtaining the temperature value of the liquid storage device and the time length value of the liquid storage device in the temperature value of the liquid storage device. Furthermore, the execution module compares the parameter values with a preset threshold value, adjusts the working state of the thermal control system, and can ensure the healthy, stable and efficient work of the thermal control system.
Further, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold; the execution module is further configured to determine that the time length value is greater than the time threshold when the temperature value of the reservoir is greater than the upper temperature of the first temperature threshold range and less than the upper temperature of the second temperature threshold range; and closing the main loop heat pipe and opening the backup loop heat pipe.
In the implementation process, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold, the first temperature threshold range and the second temperature threshold range including an upper temperature limit and a lower temperature limit, respectively. Monitoring the temperature of the equipment during the working process of the equipment, and if the temperature value of the liquid storage device exceeds the upper limit temperature of the first temperature threshold range and is lower than the upper limit temperature of the second temperature threshold range, indicating that the loop heat pipe is abnormally operated or the liquid storage device temperature control heater is normally heated; the continued expansion of the fault may cause the temperature of the load equipment to exceed the upper limit, at which time the primary loop heat pipe should be turned off, the backup loop heat pipe should be turned on, and the normal operation of the thermal control system is maintained.
In a third aspect, an embodiment of the present application provides a thermal control system, including: the control device of the thermal control system according to the second aspect,
the main loop heat pipe is provided with a temperature control heating loop, a backup temperature control heating loop, a thermistor and a backup thermistor;
the backup loop heat pipe is provided with the temperature control heating loop, the backup temperature control heating loop, the thermistor and the backup thermistor.
In the implementation process, the whole thermal control system comprises a main backup loop heat pipe, the main backup loop heat pipe is respectively provided with a temperature control heating circuit, a backup temperature control heating circuit, a thermistor and a backup thermistor, when a control device of the thermal control system monitors that the working state of the thermal control system is abnormal, the backup temperature control heating circuit and the backup thermistor can be started, and the working stability of the whole system is improved.
The method for judging the running health state of the loop heat pipe by using the temperature of the liquid storage device provides the processes of fault isolation and fault recovery, and ensures the healthy continuous running of the thermal control system based on the loop heat pipe under the state without ground intervention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic control flow diagram of a thermal control system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a control device of a thermal control system according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a thermal control system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Since the loop heat pipe is applied to the thermal control of the spacecraft, the temperature fluctuation in the running process of the loop heat pipe and the influence of the temperature fluctuation on the running stability are always widely concerned. As a complex two-phase heat transfer system, the on-orbit stable operation of the loop heat pipe is important for the normal operation and continuous stable operation of loads or electronic equipment utilizing the heat transfer and temperature control of the loop heat pipe.
Example 1
Referring to fig. 1, an embodiment of the present application provides a control method for a thermal control system, where the system includes a loop heat pipe, and the method includes:
s1: acquiring the temperature of a liquid storage device of the main loop heat pipe as a liquid storage device temperature value;
s2: acquiring the time length of the temperature value of the liquid storage device in the liquid storage device as a time length value;
s3: and controlling the working state of the thermal control system according to the temperature value of the liquid storage device, the time length value and a preset threshold value.
The working state of the current thermal control system can be obtained by obtaining the temperature value of the liquid storage device and the time length of the liquid storage device in the temperature value of the liquid storage device. Furthermore, the parameter values are compared with a preset threshold value, the working state of the thermal control system is adjusted, and the healthy, stable and efficient work of the thermal control system can be guaranteed.
In one possible embodiment, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold; s3 includes:
when the temperature value of the reservoir is above the upper temperature of the first temperature threshold range and below the upper temperature of the second temperature threshold range, and the time length value is greater than the time threshold; and closing the main loop heat pipe and opening the backup loop heat pipe.
The first temperature threshold range and the second temperature threshold range vary according to the operating environment of the thermal control system, for example: for an optical mechanical system of the space remote sensing camera, the optimal temperature is about 20 ℃; the central temperature of the first temperature threshold range is generally about 5 ℃ higher than the optimal working threshold; the second temperature threshold range is typically about 10-15 c higher than the optimum operating temperature.
In the above embodiment, the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold, the first temperature threshold range and the second temperature threshold range including an upper temperature limit and a lower temperature limit, respectively. Monitoring the temperature of the equipment during the working process of the equipment, and if the temperature value of the liquid storage device exceeds the upper limit temperature of a first temperature threshold range and is lower than the upper limit temperature of a second temperature threshold range and the duration exceeds a time threshold, indicating that the loop heat pipe is abnormally operated or the liquid storage device temperature control heater is abnormally heated; the continued expansion of the fault may cause the temperature of the load equipment to exceed the upper limit, at which time the primary loop heat pipe should be turned off, the backup loop heat pipe should be turned on, and the normal operation of the thermal control system is maintained.
Based on the above embodiment, it is possible to avoid the load device temperature from exceeding the upper limit.
Illustratively, the time threshold may take one minute.
In one possible implementation, S3 further includes:
when the reservoir temperature value is lower than a lower temperature of the first temperature threshold range and higher than a lower temperature of the second temperature threshold range, and the time length value is greater than the time threshold value; and closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
Monitoring the temperature of the equipment during the working process of the equipment, and if the temperature value of the liquid accumulator is lower than the lower limit temperature of the first temperature threshold range and higher than the lower limit temperature of the second temperature threshold range and the duration exceeds a time threshold, indicating that the thermistor of the liquid accumulator has a fault and the reading is higher; the continuous expansion of the fault may cause the loop heat pipe to fail to control the temperature, the temperature of the load equipment is low, the temperature control heating loop of the main loop heat pipe should be closed, the backup temperature control heating loop of the main loop heat pipe should be opened, and the normal work of the thermal control system is maintained.
Based on the above embodiment, it is possible to avoid the load device temperature from exceeding the upper limit.
In one possible implementation, S3 further includes:
when the reservoir temperature value exceeds an upper temperature of the second temperature threshold range and the time length value is greater than the time threshold; and closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
In the above embodiment, the temperature of the device is monitored during the operation of the device, and if the temperature value of the reservoir exceeds the upper temperature of the second temperature threshold range and the duration exceeds the time threshold, the reservoir heater is turned off; the continuous expansion of the fault can cause the loop heat pipe to fail to control the temperature, and the temperature of the load equipment is lower; the temperature control heating loop of the main loop heat pipe should be closed, and the backup temperature control heating loop of the main loop heat pipe should be opened to keep the normal operation of the thermal control system.
In the above embodiment, the load device is a working environment and an action object of the thermal control system.
In one possible implementation, S3 further includes: when the reservoir temperature value is below a lower temperature limit of the second temperature threshold range and the time length value is greater than the time threshold value; and closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
In the above embodiment, the temperature of the apparatus is monitored during the operation of the apparatus, and if the temperature value of the reservoir is lower than the upper temperature of the second temperature threshold range, it indicates that the thermistor of the reservoir has failed and the reading is low; the fault is continuously expanded, so that the loop heat pipe can not normally run, and the temperature of the load equipment exceeds the upper limit; the temperature control heating loop of the main loop heat pipe should be closed, and the backup temperature control heating loop of the main loop heat pipe should be opened to keep the normal operation of the thermal control system.
It should be noted that, based on the above embodiment, the timing of obtaining the time length in S2 may be when the temperature value of the reservoir is greater than or lower than a threshold value, that is, the temperature of the reservoir is continuously detected, when the temperature of the reservoir is greater than or lower than a preset threshold value, timing is started, a result of the timing is taken as the time length value, and when the time length value exceeds the time threshold value, a corresponding action is performed.
In a possible embodiment, after the steps of closing the temperature-controlled heating loop of the main loop heat pipe and opening the backup temperature-controlled heating loop of the main loop heat pipe, the method further includes:
and switching the original thermistor of the main loop heat pipe to the backup thermistor.
When the temperature of the liquid storage device is abnormal, the thermistor is likely to be damaged, so that the original thermistor of the main loop heat pipe is switched to the backup thermistor after the temperature control heating loop of the main loop heat pipe is closed and the backup temperature control heating loop of the main loop heat pipe is opened. Based on the above embodiment, the normal operation of the thermal control system can be further ensured.
It should be noted that when the temperature value of the reservoir is higher than the upper temperature limit of the first temperature threshold range and lower than the upper temperature limit of the second temperature threshold range, the primary thermistor of the primary loop heat pipe may not be switched to the backup thermistor.
In one possible embodiment, the step of obtaining the temperature of the reservoir of the main loop heat pipe as a reservoir temperature value includes:
and acquiring the temperature of a thermistor of a liquid storage device of the main loop heat pipe as a temperature value of the liquid storage device.
When the temperature of the liquid storage device is abnormal, the thermistor is possibly damaged, and the temperature of the thermistor is directly acquired as the temperature value of the liquid storage device. Based on the above embodiment, the obtained temperature can be ensured to accurately reflect the working state of the liquid storage device, and the normal work of the thermal control system is further ensured.
It should be noted that, each of the above possible embodiments may be executed in a processor, and may be executed in parallel or in one step, and the present application is not limited herein, and the processing order of each of the above possible embodiments is changed based on the embodiments of the present application, and still falls within the protection scope of the present application.
Example 2
Referring to fig. 2, a control device of a thermal control system according to an embodiment of the present application includes:
the acquisition module 1 is used for acquiring the temperature of a liquid storage device of the main loop heat pipe and taking the temperature as a temperature value of the liquid storage device; acquiring the time length of the temperature value of the main loop heat pipe in the liquid storage device as a time length value;
and the execution module 2 is used for controlling the working state of the thermal control system according to the temperature value of the liquid storage device, the time length value and a preset threshold value.
The obtaining module 1 can obtain the working state of the current thermal control system by obtaining the temperature value of the liquid storage device and the time length value of the liquid storage device in the temperature value of the liquid storage device. Further, the execution module 2 compares the parameter value with a preset threshold value, and adjusts the working state of the thermal control system, so that the healthy, stable and efficient work of the thermal control system can be ensured.
Further, the preset threshold includes: a first temperature threshold and a time threshold;
the execution module 2 includes:
the judging unit is used for judging whether the temperature value of the liquid storage device is larger than a first temperature threshold value or not and judging whether the time length value is larger than a time threshold value or not;
and the execution unit is used for closing the main loop heat pipe and opening the backup loop heat pipe when the temperature value of the liquid storage device is greater than the first temperature threshold and the time length value is greater than the time threshold.
The preset threshold values comprise a first temperature threshold value and a time threshold value, when the judgment unit obtains that the temperature value of the liquid storage device is larger than the first temperature threshold value and the time length value is larger than the time threshold value, the situation that the loop heat pipe in the thermal control system runs abnormally or the temperature control heater of the liquid storage device is abnormal is shown, the fault continues to expand and possibly enables the temperature of the load equipment to exceed the upper limit, therefore, the execution unit closes the main loop heat pipe and opens the backup loop heat pipe. Based on the above embodiment, it is possible to avoid the load device temperature from exceeding the upper limit.
In one possible embodiment, when the temperature value of the reservoir is higher than the upper temperature of the first temperature threshold range and lower than the upper temperature of the second temperature threshold range, and the time length value is greater than the time threshold, the primary loop heat pipe is closed, and the backup loop heat pipe is opened.
In a possible implementation, the execution module 2 is further configured to determine that the time length value is greater than the time threshold when the reservoir temperature value is lower than a lower limit temperature of the first temperature threshold range and higher than a lower limit temperature of the second temperature threshold range; and closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
In a possible implementation manner, when the reservoir temperature value exceeds the upper limit temperature of the second temperature threshold range and the time length value is greater than the time threshold, the temperature-controlled heating loop of the main loop heat pipe is closed, and the backup temperature-controlled heating loop of the main loop heat pipe is opened.
In a possible implementation manner, the execution module 2 is further configured to close the temperature-controlled heating loop of the main loop heat pipe and open the backup temperature-controlled heating loop of the main loop heat pipe when the temperature value of the liquid reservoir is lower than the lower limit temperature of the second temperature threshold range and the time length value is greater than the time threshold.
In one possible embodiment, the execution module 2 is further configured to switch the primary thermistor of the primary loop heat pipe to the backup thermistor.
In a possible embodiment, the obtaining module 1 is further configured to obtain a temperature of a thermistor of a reservoir of the main loop heat pipe as a reservoir temperature value.
Example 3
Referring to fig. 3, an embodiment of the present application provides a thermal control system based on a loop heat pipe, including: the control device of the thermal control system of embodiment 2,
the main loop heat pipe is provided with a temperature control heating loop A, a backup temperature control heating loop B, a thermistor C and a backup thermistor D;
the backup loop heat pipe is provided with a temperature control heating loop A, a backup temperature control heating loop B, a thermistor C and a backup thermistor D.
In the implementation process, the whole thermal control system comprises a main backup loop heat pipe and a backup loop heat pipe, wherein the main backup loop heat pipe and the backup loop heat pipe are respectively provided with a temperature control heating loop A, a backup temperature control heating loop A, a thermistor C and a backup thermistor D, when a control device of the thermal control system monitors that the working state of the thermal control system is abnormal, the backup temperature control heating loop B and the backup thermistor D can be started, and the working stability of the whole system is improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A method of controlling a thermal control system, comprising:
acquiring the temperature of a liquid storage device of the main loop heat pipe as a liquid storage device temperature value;
acquiring the time length of the liquid storage device at the liquid storage device temperature value as a time length value;
controlling the working state of the thermal control system according to the temperature value of the liquid storage device, the time length value and a preset threshold value;
the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold.
2. The control method of a thermal control system according to claim 1,
the step of controlling the working state of the thermal control system according to the reservoir temperature value, the time length value and the preset threshold value comprises the following steps:
and when the temperature value of the liquid storage device is higher than the upper limit temperature of the first temperature threshold range and lower than the upper limit temperature of the second temperature threshold range, and the time length value is larger than the time threshold, closing the main loop heat pipe and opening the backup loop heat pipe.
3. The method of claim 2, wherein the step of controlling the operating state of the thermal control system according to the reservoir temperature value, the time length value, and the preset threshold further comprises:
and when the temperature value of the liquid storage device is lower than the lower limit temperature of the first temperature threshold range and higher than the lower limit temperature of the second temperature threshold range, and the time length value is greater than the time threshold, closing the temperature control heating loop of the main loop heat pipe, and opening the backup temperature control heating loop of the main loop heat pipe.
4. The method of claim 3, wherein the step of controlling the operating state of the thermal control system according to the reservoir temperature value, the time length value, and the preset threshold further comprises:
and when the temperature value of the liquid storage device exceeds the upper limit temperature of the second temperature threshold range and the time length value is greater than the time threshold, closing the temperature control heating loop of the main loop heat pipe and opening the backup temperature control heating loop of the main loop heat pipe.
5. The method of claim 4, wherein the step of controlling the operating state of the thermal control system according to the reservoir temperature value, the time length value, and the preset threshold further comprises:
and when the temperature value of the liquid storage device is lower than the lower limit temperature of the second temperature threshold range and the time length value is larger than the time threshold, closing the temperature control heating loop of the main loop heat pipe and opening the backup temperature control heating loop of the main loop heat pipe.
6. The method for controlling a thermal control system according to any one of claims 3 to 5, further comprising, after the steps of closing the temperature-controlled heating loop of the main loop heat pipe and opening the backup temperature-controlled heating loop of the main loop heat pipe:
and switching the original thermistor of the main loop heat pipe to the backup thermistor.
7. The method of claim 1, wherein the step of obtaining the temperature of the reservoir of the main loop heat pipe as a reservoir temperature value comprises:
and acquiring the temperature of a thermistor of a liquid accumulator of the main loop heat pipe as a temperature value of the liquid accumulator.
8. A control apparatus of a thermal control system, the apparatus comprising:
the acquisition module acquires the temperature of a liquid storage device of the main loop heat pipe and takes the temperature as a temperature value of the liquid storage device; acquiring the time length of the main loop heat pipe at the temperature value of the liquid storage device as a time length value;
the execution module is used for controlling the working state of the thermal control system according to the liquid storage device temperature value, the time length value and a preset threshold value; the preset threshold includes: a first temperature threshold range, a second temperature threshold range, and a time threshold.
9. The control device of the thermal control system according to claim 8, wherein the execution module is further configured to determine the time length value when the temperature value of the reservoir is higher than an upper temperature of the first temperature threshold range and lower than an upper temperature of the second temperature threshold range, and the time length value is greater than the time threshold; and closing the main loop heat pipe and opening the backup loop heat pipe.
10. A thermal control system, comprising: the control device of the thermal control system according to claim 8 or 9,
the main loop heat pipe is provided with a temperature control heating loop, a backup temperature control heating loop, a thermistor and a backup thermistor;
the backup loop heat pipe is provided with the temperature control heating loop, the backup temperature control heating loop, the thermistor and the backup thermistor.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198390A (en) * | 1997-04-28 | 1998-11-11 | 摩托罗拉公司 | Temp. control system and method for active cosmonautic vehicle |
| CN107529363B (en) * | 2008-08-25 | 2013-07-24 | 北京空间飞行器总体设计部 | A kind of small-sized deep cooling loop circuit heat pipe |
| RU2585936C1 (en) * | 2015-02-19 | 2016-06-10 | Российская Федерация, от имени которой выступает Федеральное космическое агентство | Thermal control system for spacecraft equipment |
| CN111854491A (en) * | 2020-08-25 | 2020-10-30 | 中国科学院微小卫星创新研究院 | Temperature control system and control method |
| CN112014422A (en) * | 2020-10-22 | 2020-12-01 | 北京空间飞行器总体设计部 | Loop heat pipe performance detection method and device, storage medium and electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144160B (en) * | 2017-04-19 | 2019-10-18 | 北京空间飞行器总体设计部 | A kind of double loop deep cooling loop circuit heat pipe working in 160K to 220K warm area |
| CN108089618B (en) * | 2017-12-11 | 2019-06-18 | 北京空间机电研究所 | A kind of energy-saving temperature control loop circuit heat pipe device of space flight optical remote sensor |
-
2021
- 2021-08-02 CN CN202110878493.9A patent/CN113335568B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198390A (en) * | 1997-04-28 | 1998-11-11 | 摩托罗拉公司 | Temp. control system and method for active cosmonautic vehicle |
| CN107529363B (en) * | 2008-08-25 | 2013-07-24 | 北京空间飞行器总体设计部 | A kind of small-sized deep cooling loop circuit heat pipe |
| RU2585936C1 (en) * | 2015-02-19 | 2016-06-10 | Российская Федерация, от имени которой выступает Федеральное космическое агентство | Thermal control system for spacecraft equipment |
| CN111854491A (en) * | 2020-08-25 | 2020-10-30 | 中国科学院微小卫星创新研究院 | Temperature control system and control method |
| CN112014422A (en) * | 2020-10-22 | 2020-12-01 | 北京空间飞行器总体设计部 | Loop heat pipe performance detection method and device, storage medium and electronic equipment |
Non-Patent Citations (2)
| Title |
|---|
| 航天分散热源控温用环路热管设计及飞行应用;杨涛,赵石磊,高腾,赵振明,赵宇,李春林;《宇航学报》;20210630;第42卷(第06期);全文 * |
| 高分七号卫星激光测高仪热设计及验证;黄金印,潘福明,傅伟纯,王甜甜,殷亚州,姜紫庆,张新伟;《航天器工程》;20200615;第29卷(第03期);全文 * |
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Inventor after: Huang Jinyin Inventor after: Zhou Zuoxin Inventor after: Miao Jianyin Inventor after: Zhang Hongxing Inventor after: Cao Jianfeng Inventor after: Wang Lu Inventor before: Huang Jinyin Inventor before: Zhou Zuoxin Inventor before: Miao Jianyin Inventor before: Zhang Hongxing Inventor before: Cao Jianfeng Inventor before: Wang Lu |