CN112345282B - Method and device for determining heat dissipation efficiency - Google Patents

Method and device for determining heat dissipation efficiency Download PDF

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Publication number
CN112345282B
CN112345282B CN202011194170.XA CN202011194170A CN112345282B CN 112345282 B CN112345282 B CN 112345282B CN 202011194170 A CN202011194170 A CN 202011194170A CN 112345282 B CN112345282 B CN 112345282B
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cold source
determining
heating
capacity
temperature
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CN112345282A (en
Inventor
曾爽
杨烁
及洪泉
宫成
孙钦斐
王钊
李香龙
丁屹峰
马凯
梁安琪
马麟
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/002—Thermal testing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F25D31/005—Combined cooling and heating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application discloses a method and a device for determining heat dissipation efficiency. Wherein, the method comprises the following steps: acquiring electric power of heating equipment; determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; the heat dissipation efficiency of the heating equipment is determined according to the heating quantity and the electric power. The technical problem that in the related art, the calculation result caused by the fact that the heat dissipation efficiency can only be calculated by means of the factory nameplate parameters of the heating equipment is inaccurate, and the heating quantity of the heating equipment cannot be directly measured is solved.

Description

Method and device for determining heat dissipation efficiency
Technical Field
The application relates to the field of measuring heating quantity, in particular to a method and a device for determining heat dissipation efficiency.
Background
Most of existing heating equipment, such as resistance wire type directly-heated electric heating equipment, cannot directly measure the heating quantity, only can refer to factory nameplate parameters, cannot judge whether the heating equipment meets design standards or not, and cannot provide accurate data support for heating experiments, for example, the heat dissipation efficiency of the heating equipment is determined. Therefore, a method for generating heat of a heat generating apparatus is needed.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a method and a device for determining heat dissipation efficiency, and aims to at least solve the technical problems that in the related art, the calculation result is inaccurate and the heating quantity of heating equipment cannot be directly measured due to the fact that the heat dissipation efficiency can only be calculated by means of factory nameplate parameters of the heating equipment.
According to an aspect of an embodiment of the present application, there is provided a method of determining heat dissipation efficiency, including: acquiring electric power of heating equipment; determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; the heat dissipation efficiency of the heating equipment is determined according to the heating quantity and the electric power.
Optionally, before determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit, the method includes: according to the governing valve of first preset step length regulation refrigerating unit, the governing valve is used for controlling the cold source flow of refrigerating unit, and the cold source flow includes: the cold source outputs water and the cold source inputs water; detecting the temperature change of cold source outlet water, and when the temperature change is larger than a first threshold value, continuously adjusting the adjusting valve according to a first preset step length; and when the change of the temperature is smaller than the first threshold value, adjusting the adjusting valve of the refrigerating unit according to a second preset step length until the change of the temperature is zero, wherein the first preset step length is larger than the second preset step length.
Optionally, determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit includes: the heat absorbed by the flow of the cold source corresponding to the condition that the temperature change of the cold source outlet water is zero is used as the refrigerating capacity of the refrigerating unit; and determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit.
Optionally, the heat absorbed by the flow of the cold source when the temperature change of the cold source outlet water is zero is used as the heating capacity of the heating device, and the method includes: determining the specific heat capacity of a cold source; detecting the temperature of the cold source inlet and outlet water and the volume flow of the cold source; determining the density of the cold source when the temperature change of the cold source outlet water is zero; and determining the heat absorption power of the cold source flow according to the specific heat capacity, the temperature of inlet and outlet water, the volume capacity and the density of the cold source.
Optionally, determining the heat absorption power of the cold source flow according to the specific heat capacity, the temperature of the inlet and outlet water, the volume capacity and the density of the cold source, including: the heat absorption power of the cold source flow is determined by the following formula: q = C × ρ V m (T 1 -T 2 ) (ii) a Wherein Q represents the heat absorption power of the cold source flow, the unit is kW, C represents the specific heat capacity of the cold source under the average temperature, the unit is kJ/(kg. K), and T 1 Represents the temperature of cold source outlet water with the unit of DEG C 2 The temperature of cold source inlet water is expressed in the unit of DEG C m The volume flow of the cold source is expressed in the unit of m3/s; ρ represents the liquid density of the cold source in kg/m 3 。
Optionally, determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit includes: receiving a starting instruction, wherein the starting instruction is used for simultaneously starting the refrigerating unit and the heating equipment; and responding to the starting instruction, and determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit under the condition of determining that the refrigerating unit and the heating equipment are started simultaneously.
Optionally, the temperature control chamber is located within an enthalpy difference chamber for providing power to the temperature control chamber.
According to an aspect of the embodiments of the present application, there is also provided an apparatus for determining heat dissipation efficiency, including: the acquisition module is used for acquiring the electric power of the heating equipment; the first determining module is used for determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; and the second determination module is used for determining the heat dissipation efficiency of the heating equipment according to the heating quantity and the electric power.
According to another aspect of the embodiments of the present application, there is also provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and where the program is executed to control a device in which the non-volatile storage medium is located to perform any one of the methods for determining the heat dissipation efficiency.
According to another aspect of the embodiments of the present application, there is also provided a processor for executing a program stored in a memory, wherein the program executes any one of the methods for determining heat dissipation efficiency.
In the embodiment of the application, the mode of measuring the refrigerating capacity of the refrigerating unit is adopted, the heating equipment to be measured and the refrigerating unit to be measured are placed in the same laboratory, the refrigerating capacity of the refrigerating unit is used as the heating capacity of the heating equipment to be measured when the indoor temperature is constant, and the purpose of measuring the heating capacity of the heating equipment is achieved, so that the technical effect of determining the heat dissipation efficiency according to the refrigerating capacity and the power consumption of the heating equipment to be measured is achieved, and the technical problems that the calculation result is inaccurate and the heating capacity of the heating equipment cannot be directly measured due to the fact that the heat dissipation efficiency can only be calculated by means of the factory nameplate parameters of the heating equipment in the related technology are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow diagram of an alternative method of determining heat dissipation efficiency according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an alternative device for determining heat dissipation efficiency according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present application, there is provided a method embodiment for determining heat dissipation efficiency, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that presented herein.
Fig. 1 is a method of determining a heat dissipation efficiency according to an embodiment of the present application, as shown in fig. 1, the method including the steps of:
step S102, acquiring electric power of heating equipment;
step S104, determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room;
and S106, determining the heat dissipation efficiency of the heating equipment according to the heating quantity and the electric power.
In the method for determining the heat dissipation efficiency, firstly, the electric power of the heating equipment can be obtained; then, determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; finally, the heat dissipation efficiency of the heating equipment is determined according to the heating capacity and the electric power, the purpose of measuring the heating capacity of the heating equipment is achieved, the technical effect of determining the heat dissipation efficiency according to the refrigerating capacity and the power consumption of the heating equipment to be measured is achieved, and the technical problems that in the related technology, the calculation result is inaccurate and the heating capacity of the heating equipment cannot be directly measured due to the fact that the heat dissipation efficiency can only be calculated by means of factory nameplate parameters of the heating equipment are solved.
It should be noted that the heating device is a device for converting electric energy into heat energy, and the heating device includes but is not limited to: the electric power may be determined from parameters of a shipping nameplate, or may be measured from a wattmeter, a voltmeter, an ammeter, and the like.
In some optional embodiments of the present application, before determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit, the cooling capacity of the refrigeration unit may be adjusted by the following method: adjusting an adjusting valve of the refrigerating unit according to a first preset step length, wherein the adjusting valve is used for controlling the cold source flow of the refrigerating unit; detecting the temperature change of cold source outlet water, and when the temperature change is larger than a first threshold value, continuously adjusting the adjusting valve according to a first preset step length; when the change of the temperature is smaller than the first threshold value, the adjusting valve of the refrigerating unit is adjusted according to the second preset step length until the change of the temperature is zero, wherein the first preset step length is larger than the second preset step length, and it is easy to notice that the cold source flow comprises cold source water outlet and cold source water inlet.
In some optional embodiments of the present application, the amount of heat generated by the heating device is determined according to the refrigerating capacity of the refrigerating unit, and specifically: the heat absorbed by the flow of the cold source corresponding to the condition that the temperature change of the cold source outlet water is zero is used as the refrigerating capacity of the refrigerating unit; and then, determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit, namely, when the outlet water temperature of the cold source is constant, taking the refrigerating capacity of the refrigerating unit in the temperature control room as the heating capacity of the heating equipment.
Specifically, when the temperature change of the cold source outlet water is zero, the heat absorbed by the corresponding cold source flow is used as the heating amount of the heating equipment, and the cold source flow absorption can be determined in the following mannerHeat quantity of (2): firstly, the specific heat capacity of a cold source can be determined; the temperature of the cold source inlet and outlet water and the volume flow of the cold source are detected in real time; when the temperature change of the cold source water is determined to be zero, the density of the cold source is determined; the power of heat absorption of the cold source flow is determined according to the specific heat capacity, the temperature of the inlet and outlet water, the volume capacity (flow) and the density of the cold source, and it can be understood that the temperature of the cold source inlet and outlet water can be detected by a temperature sensor, including but not limited to: the patch thermocouple is easy to notice that the time delta t of change can be obtained according to the time corresponding to the change of the temperature of the cold source outlet water. For example, the initial temperature t of the cold source water at the instant of cold source water discharge (i.e., the instant of cold source flow out of the outlet) is recorded 1 Corresponding time is 10 2 ，t 2 Corresponding to a time of 10. It is understood that, after determining the amount of heat absorbed by the flow of the heat sink, the heat absorption power of the flow of the heat sink may be determined according to the ratio of the amount of heat to Δ t, and therefore, the heat dissipation efficiency of the heating device may be determined according to the heating amount and the electric power, and the heat dissipation efficiency of the heating device may be determined by dividing the heat absorption power according to the flow of the heat sink by the electric power of the heating device.
It should be noted that the volumetric flow of the cooling source can be determined by a flow meter, including but not limited to: an ultrasonic flowmeter.
In other optional embodiments of the present application, the heat absorption power of the cold source flow may be determined according to the specific heat capacity, the temperature of the inlet and outlet water, the volume capacity, and the density of the cold source, specifically: determining the heat absorption power of the cold source flow through the following formula: q = C × ρ V m (T 1 -T 2 ) (ii) a Wherein Q represents the heat absorption power of the cold source flow, the unit is kW, C represents the specific heat capacity of the cold source under the average temperature, the unit is kJ/(kg. K), and T 1 Represents the temperature of cold source outlet water in the unit of DEG C 2 The temperature of cold source inlet water is expressed in the unit of DEG C and V m Represents the volume flow of the cold source and has the unit of m 3 S; ρ represents the liquid density of the cold source in kg/m 3 。
In some optional embodiments of the present application, determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit may be implemented in the following manner: receiving a starting instruction, wherein the starting instruction is used for simultaneously starting the refrigerating unit and the heating equipment; in response to the start instruction, under the condition that it is determined that the refrigeration unit and the heating device are simultaneously started, the heating capacity of the heating device is determined according to the cooling capacity of the refrigeration unit.
In some optional embodiments of this application, the temperature control room can be located the enthalpy difference room, and the enthalpy difference room can be used to provide the power for the temperature control room, and it can be understood that the sensor of the indoor measurement wet temperature of temperature control can adopt the same temperature and humidity sensor with the indoor enthalpy difference.
In some optional embodiments of the application, the temperature control chamber can be provided with a PLC control system to control the stable operation of the temperature control chamber, and can be connected with the enthalpy difference chamber control system in a wired/wireless manner, an independent control box can be additionally arranged outside the temperature control chamber, wiring interfaces of a fan and a sensor are reserved outside the box body, and an acquisition module, a control component and the like are installed in the box body; the temperature and humidity in the temperature control chamber can be acquired through a newly added temperature and humidity sensor, the temperature and humidity are circularly controlled through a variable-frequency control circulating fan, a Siemens smart200PLC (programmable logic controller) can be used as a main data acquisition processor, and parameters such as temperature, humidity and atmospheric pressure in the small chamber (in the temperature control chamber) are acquired through an analog acquisition module; the collected data can be cached through a CPU of the PLC, then is stored on the touch control integrated machine through force control upper computer software in an Ethernet communication mode, the collected data is subjected to data analysis through the force control software, an experimental result is generated in a report form, and a client can select whether to store the experimental result or not; the historical data can be stored on the touch control body in a database form and can be inquired; in consideration of real-time performance and accuracy of field data, the field sensor adopts a customized cable for data transmission, and the wiring connector adopts a customized aerial plug for connection, so that the field sensor is convenient to disassemble and repeatedly assemble.
Fig. 2 is a device for determining heat dissipation efficiency according to an embodiment of the present application, and as shown in fig. 2, the device for determining heat dissipation efficiency includes:
an obtaining module 40, configured to obtain electric power of a heating device;
the first determining module 42 is configured to determine a heating capacity of a heating device according to a cooling capacity of a refrigeration unit, where the heating device and the refrigeration unit are located in a same temperature control room;
the second determination module 44 is configured to determine a heat dissipation efficiency of the heating device according to the heating amount and the electric power.
In the device for determining heat dissipation efficiency, the obtaining module 40 is used for obtaining the electric power of the heating device; the first determining module 42 is configured to determine a heating capacity of a heating device according to a cooling capacity of a refrigerating unit, where the heating device and the refrigerating unit are located in a same temperature-controlled room; the second determining module 44 is configured to determine the heat dissipation efficiency of the heating device according to the heating capacity and the electric power, so as to achieve the purpose of measuring the heating capacity of the heating device, thereby achieving the technical effect of determining the heat dissipation efficiency according to the heating capacity and the power consumption of the device to be measured, and further solving the technical problems that in the related art, the calculation result is inaccurate and the heating capacity of the heating device cannot be directly measured because the heat dissipation efficiency can only be calculated by relying on the factory nameplate parameter of the heating device.
In some optional embodiments of the present application, determining the heating capacity of the heating device according to the cooling capacity of the refrigeration unit may be implemented in the following manner: receiving a starting instruction, wherein the starting instruction is used for simultaneously starting the refrigerating unit and the heating equipment; responding to the starting instruction, and under the condition that the refrigeration unit and the heating equipment are determined to be started simultaneously, determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigeration unit.
According to another aspect of the embodiments of the present application, a nonvolatile storage medium is further provided, where the nonvolatile storage medium includes a stored program, and when the program runs, a device in which the nonvolatile storage medium is located is controlled to execute any one of the methods for determining heat dissipation efficiency.
Specifically, the storage medium is used for storing program instructions for executing the following functions, and the following functions are realized:
acquiring electric power of heating equipment; determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; the heat dissipation efficiency of the heating apparatus is determined according to the heating amount and the electric power.
According to another aspect of the embodiments of the present application, there is also provided a processor for executing a program stored in a memory, wherein the program executes any one of the methods for determining heat dissipation efficiency.
Specifically, the processor is configured to call a program instruction in the memory, and implement the following functions:
acquiring electric power of heating equipment; determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room; the heat dissipation efficiency of the heating apparatus is determined according to the heating amount and the electric power.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technical content can be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be an indirect coupling or communication connection through some interfaces, units or modules, and may be electrical or in other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit 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 may be embodied in the form of a software product, which is stored in a storage medium and includes several 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 Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (9)

1. A method of determining heat dissipation efficiency, comprising:
acquiring electric power of heating equipment;
determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room;
determining the heat dissipation efficiency of the heating equipment according to the heating quantity and the electric power;
wherein, before confirming the heating capacity of the equipment that heats according to the refrigerating output of refrigerating unit, include: adjusting a regulating valve of the refrigerating unit according to a first preset step length, wherein the regulating valve is used for controlling the cold source flow of the refrigerating unit, and the cold source flow comprises: the cold source outputs water and the cold source inputs water; detecting the temperature change of the cold source outlet water, and when the temperature change is larger than a first threshold value, continuously adjusting the adjusting valve according to the first preset step length; and when the change of the temperature is smaller than the first threshold value, adjusting an adjusting valve of the refrigerating unit according to a second preset step length until the change of the temperature is zero, wherein the first preset step length is larger than the second preset step length.
2. The method of claim 1, wherein determining the amount of heat produced by the heating device based on the amount of cooling generated by the refrigeration unit comprises:
taking the heat absorbed by the flow of the cold source corresponding to the condition that the temperature change of the cold source outlet water is zero as the refrigerating capacity of the refrigerating unit;
and determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit.
3. The method of claim 1, wherein the step of taking the heat absorbed by the flow of the cold source corresponding to the zero temperature change of the cold source outlet water as the heating amount of the heating device comprises:
determining the specific heat capacity of the cold source;
detecting the temperature of the cold source inlet and outlet water and the volume flow of the cold source;
determining the density of the cold source when the temperature change of the cold source outlet water is zero;
and determining the heat absorption power of the cold source flow according to the specific heat capacity, the temperature of the inlet and outlet water, the volume flow and the density of the cold source.
4. The method as claimed in claim 3, wherein determining the power absorbed by the heat sink flow according to the specific heat capacity, the temperature of the inlet and outlet water, the volume flow and the density of the heat sink comprises:
determining the heat absorption power of the cold source flow through the following formula: q = C × ρ V m (T 1 -T 2 )；
Wherein Q represents the heat absorption power of the cold source flow, the unit is kW, C represents the specific heat capacity of the cold source at the average temperature, and the unit is kJ/(kg.K), T 1 Represents the temperature of cold source outlet water with the unit of DEG C 2 The temperature of cold source inlet water is expressed in the unit of DEG C and V m Represents the volume flow of the cold source and has the unit of m 3 S; ρ represents the liquid density of the cold source in kg/m 3 。
5. The method of claim 1, wherein determining the amount of heat produced by the heating device based on the amount of cooling generated by the refrigeration unit comprises:
receiving a starting instruction, wherein the starting instruction is used for simultaneously starting the refrigerating unit and the heating equipment;
and responding to the starting instruction, and determining the heating capacity of the heating equipment according to the refrigerating capacity of the refrigerating unit under the condition that the refrigerating unit and the heating equipment are simultaneously started.
6. The method of any one of claims 1 to 5, wherein the temperature control chamber is located within an enthalpy difference chamber for providing power to the temperature control chamber.
7. An apparatus for determining heat dissipation efficiency, comprising:
the acquisition module is used for acquiring the electric power of the heating equipment;
the first determining module is used for determining the heating capacity of heating equipment according to the refrigerating capacity of a refrigerating unit, wherein the heating equipment and the refrigerating unit are positioned in the same temperature control room;
the second determining module is used for determining the heat dissipation efficiency of the heating equipment according to the heating quantity and the electric power;
wherein, before confirming the heating capacity of the equipment that heats according to the refrigerating output of refrigerating unit, include: adjusting the adjusting valve of the refrigerating unit according to a first preset step length, wherein the adjusting valve is used for controlling the cold source flow of the refrigerating unit, and the cold source flow comprises: the cold source outputs water and the cold source inputs water; detecting the temperature change of the cold source outlet water, and when the temperature change is larger than a first threshold value, continuously adjusting the adjusting valve according to the first preset step length; and when the change of the temperature is smaller than the first threshold value, adjusting an adjusting valve of the refrigerating unit according to a second preset step length until the change of the temperature is zero, wherein the first preset step length is larger than the second preset step length.
8. A non-volatile storage medium, comprising a stored program, wherein a device in which the non-volatile storage medium is located is controlled to perform the method for determining heat dissipation efficiency of any one of claims 1 to 6 when the program is executed.
9. A processor configured to execute a program stored in a memory, wherein the program when executed performs the method for determining heat dissipation efficiency according to any one of claims 1 to 6.
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