CN112013999A - Device for measuring heating capacity - Google Patents
Device for measuring heating capacity Download PDFInfo
- Publication number
- CN112013999A CN112013999A CN202010875878.5A CN202010875878A CN112013999A CN 112013999 A CN112013999 A CN 112013999A CN 202010875878 A CN202010875878 A CN 202010875878A CN 112013999 A CN112013999 A CN 112013999A
- Authority
- CN
- China
- Prior art keywords
- temperature control
- temperature
- control chamber
- chamber
- electric heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The application provides a measure device of heating capacity, the device includes: an enthalpy difference chamber; the temperature control chamber is positioned in the enthalpy difference chamber; the electric heating equipment is positioned in the temperature control room; the refrigerating unit is positioned in the enthalpy difference chamber and outside the temperature control chamber and is used for generating a cold source; and the indoor unit is positioned in the temperature control chamber, is communicated with the refrigerating unit and is used for controlling the temperature in the temperature control chamber. According to the scheme, after the indoor unit detects that the temperature inside the temperature control room is constant, the heating capacity of the electric heating equipment is acquired by collecting the power consumption and the cold quantity of the cold source of the electric heating equipment, and the heat dissipation performance of the electric heating equipment is determined according to the heating capacity. The scheme can be used for judging whether the electric heating equipment meets the design standard or not, and can provide accurate data support for heating experiments.
Description
Technical Field
The application relates to the field of heating quantity measurement, in particular to a device for measuring the heating quantity.
Background
The directly-heated electric heating equipment such as resistance wires in the existing laboratory can not directly measure the heating capacity of the equipment, only can refer to parameters of a factory nameplate, can not judge whether the equipment meets the design standard or not, and can not provide accurate data support for heating experiments. Therefore, a device for measuring the heating capacity of the directly-heated electric heating equipment is needed.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main object of this application is to provide a measure device of heating capacity to solve the problem that can't directly measure the heating capacity of directly-heated electric heating equipment among the prior art.
In order to achieve the above object, according to one aspect of the present application, there is provided an apparatus for measuring a heating amount, including: an enthalpy difference chamber; a temperature control chamber located within the enthalpy difference chamber; the electric heating equipment is positioned in the temperature control chamber; the refrigerating unit is positioned in the enthalpy difference chamber and outside the temperature control chamber and is used for generating a cold source; and the indoor unit is positioned in the temperature control chamber and communicated with the refrigerating unit, and the indoor unit is used for controlling the temperature inside the temperature control chamber.
Optionally, the device still includes the orifice plate, the orifice plate is installed in the accuse temperature room, the periphery of orifice plate with the inner wall seamless meeting in accuse temperature room, the orifice plate will the inner space in accuse temperature room is cut apart into two parts, is first space and second space respectively, the indoor set is located in the first space, electric heating equipment is located in the second space.
Optionally, the indoor unit comprises a heat exchanger, an electric heater and a circulating fan, the heat exchanger is respectively connected with the electric heater and the circulating fan, and the heat exchanger is communicated with the refrigerating unit.
Optionally, the indoor unit further includes a temperature sensor, a humidity sensor, and a pressure sensor.
Optionally, the device further comprises a power supply, the power supply is located inside the enthalpy difference chamber and outside the temperature control chamber, and the power supply is electrically connected with the heat exchanger, the electric heater, the circulating fan, the temperature sensor, the humidity sensor and the pressure sensor respectively.
Optionally, the apparatus further comprises a first controller located inside the temperature control chamber, the first controller being in communication with the heat exchanger, the electric heater, the circulating fan, the temperature sensor, the humidity sensor and the pressure sensor, respectively.
Optionally, the apparatus further comprises a second controller located inside the enthalpy difference chamber and outside the temperature control chamber, the second controller being in communication with the first controller.
Optionally, the device further comprises a touch all-in-one machine, and the touch all-in-one machine is respectively communicated with the first controller and the second controller.
Optionally, a fan power supply interface, a heat exchanger power supply interface, an electric heater power supply interface, a temperature sensor power supply interface, a humidity sensor power supply interface and a pressure sensor power supply interface are reserved on the box body of the temperature control room.
Optionally, the electric heating equipment is directly-heated electric heating equipment.
Use the technical scheme of this application, the electric heating equipment that is located accuse temperature room produces the heat, the cold source that the refrigerating unit that is located the outside in accuse temperature room produced flows into the inside in order to reduce the inside temperature in accuse temperature room, the inside temperature in indoor unit control accuse temperature room, detect the inside constancy of temperature in accuse temperature room at indoor unit, through gathering the power consumption of electric heating equipment and the cold volume of cold source and acquireing the heat production volume of electric heating equipment, confirm the heat dispersion of electric heating equipment according to the heat production volume. The scheme can be used for judging whether the electric heating equipment meets the design standard or not, and can provide accurate data support for heating experiments.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic view of an apparatus for measuring a heating amount according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
01. an enthalpy difference chamber; 10. a refrigeration unit; 11. a power source; 12. a second controller; 02. a temperature control chamber; 20. an electric heating device; 21. an indoor unit; 210. a heat exchanger; 211. an electric heater; 212. a circulating fan; 213. a first temperature sensor; 214. a second temperature sensor; 22. an orifice plate; 23. a first space; 24. a second space; 25. a first controller.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, the heating capacity of the direct-heating electric heating device cannot be directly measured in the prior art, and in order to solve the problem that the heating capacity of the direct-heating electric heating device cannot be directly measured, the embodiment of the present application provides a device for measuring the heating capacity.
An exemplary embodiment of the present application provides an apparatus for measuring heating amount, as shown in fig. 1, including:
an enthalpy difference chamber 01;
a temperature control chamber 02 located in the enthalpy difference chamber 01;
an electric heating device 20 located in the temperature control chamber 02;
a refrigerating unit 10 disposed in the enthalpy difference chamber 01 and outside the temperature control chamber 02 to generate a cold source;
and an indoor unit 21 disposed in the temperature-controlled room 02, wherein the indoor unit 21 is in communication with the refrigerating unit 10, and the indoor unit 21 is configured to control the temperature inside the temperature-controlled room 02.
Specifically, the temperature control chamber 02 adopts a movable box structure, so that the temperature control chamber 02 can be conveniently moved into the enthalpy difference chamber 01.
In the above scheme, the electric heating equipment in the temperature control chamber generates heat, the cold source generated by the refrigerating unit outside the temperature control chamber flows into the temperature inside the temperature control chamber to reduce the temperature inside the temperature control chamber, the indoor unit controls the temperature inside the temperature control chamber, after the indoor unit detects the temperature constancy inside the temperature control chamber, the heating quantity of the electric heating equipment is acquired by collecting the electricity consumption of the electric heating equipment and the cold quantity of the cold source, and the heat dissipation performance of the electric heating equipment is determined according to the heating quantity. The scheme can be used for judging whether the electric heating equipment meets the design standard or not, and can provide accurate data support for heating experiments.
Specifically, the cold source is chilled water, the water supply temperature of the temperature control chamber is controlled by an enthalpy difference chamber primary cooling water system (namely a refrigerating unit), and the temperature and humidity of the enthalpy difference chamber are controlled by the primary enthalpy difference chamber system.
Specifically, the power supply of the electric heating equipment is connected by a power supply provided by an enthalpy difference indoor distribution box, and the electric power of the electric heating equipment adopts an enthalpy difference indoor original power meter to acquire data.
In one embodiment of the present application, as shown in fig. 1, the apparatus further includes a perforated plate 22, the perforated plate 22 is installed in the temperature-controlled chamber 02, the outer circumference of the perforated plate 22 is in seamless contact with the inner wall of the temperature-controlled chamber 02, the perforated plate 22 divides the inner space of the temperature-controlled chamber 02 into two parts, namely, a first space 23 and a second space 24, the indoor unit 21 is located in the first space 23, the electric heating equipment 20 is located in the second space 24, hot air heated by heat generated by the electric heating equipment 20 flows from the second space 24 into the first space 23 through the holes of the perforated plate 22, and cold air in the first space 23 flows from the first space 23 into the second space 24 through the holes of the perforated plate 22, thereby achieving heat exchange.
In another embodiment of the present application, as shown in fig. 1, the indoor unit 21 includes a heat exchanger 210, an electric heater 211, and a circulating fan 212, the heat exchanger 210 is respectively connected to the electric heater 211 and the circulating fan 212, the heat exchanger 210 is communicated with the refrigeration unit 10, a cold source generated by the refrigeration unit 10 flows into the heat exchanger 210 through a pipeline, the heat exchanger 210, the electric heater 211, and the circulating fan 212 in the indoor unit 21 achieve a temperature inside the temperature-controlled room 02, wherein the heat exchanger 210 is used for achieving a heat-cold exchange, the electric heater 211 is used for heating a temperature of an air flow flowing into the second space (or flowing out of the first space), and the circulating fan 212 is used for controlling a flow rate of air in the first space 23.
In a specific embodiment, the size of the heat exchanger is set to be 1m × 0.3m × 1m, the power of the heat exchanger is 3kW, a set of movable temperature control room with the appearance of 1.5m × 2m × 1.5m is designed, the internal size of the temperature control room is 1.2m × 1.5m × 1.2m, the small room adopts full-face pore plate air supply (namely air supply through the pore plate), bottom air return is performed, indoor units such as the heat exchanger, the electric heater and the circulating fan are arranged in the air return interlayer, and the indoor units such as the heat exchanger, the electric heater and the circulating fan are installed in the air return interlayer at the bottom of the temperature control room.
In still another embodiment of the present application, the indoor unit 21 further includes a temperature sensor, a humidity sensor, and a pressure sensor as shown in fig. 1, and specifically, the temperature sensor includes a first temperature sensor 213 and a second temperature sensor 214, the first temperature sensor 213 is installed on a pipe between the refrigeration unit 10 and the heat exchanger 210, for sensing the temperature of the cool source at the inlet of the heat exchanger 210, a second temperature sensor 214 is installed downstream of the circulation fan 212, for detecting the temperature of the air passing through the circulation fan 212, a humidity sensor for detecting the humidity inside the temperature control room 02, a pressure sensor installed in the first space 23, the temperature control room is used for detecting the pressure of gas inside the temperature control room 02, and the temperature inside the temperature control room 02 is accurately controlled through the combined action of the temperature sensor, the humidity sensor, the pressure sensor, the heat exchanger 210, the electric heater 211 and the circulating fan 212.
Specifically, the first temperature sensor is a patch thermocouple.
In yet another embodiment of the present application, the enthalpy difference chamber has a temperature sensor and a humidity sensor therein for collecting the temperature and humidity inside the enthalpy difference chamber and outside the temperature control chamber.
In a specific embodiment of the present application, as shown in fig. 1, the apparatus further includes a power supply 11, the power supply 11 is located inside the enthalpy difference chamber 01 and outside the temperature control chamber 02, and the power supply 11 is electrically connected to the heat exchanger 210, the electric heater 211, the circulation fan 212, the temperature sensor, the humidity sensor, and the pressure sensor, respectively, that is, the heat exchanger 210, the electric heater 211, the circulation fan 212, the temperature sensor, the humidity sensor, and the pressure sensor are supplied with power by the power supply 11 inside the enthalpy difference chamber 01.
In another embodiment of the present application, a fan power supply interface, a heat exchanger power supply interface, an electric heater power supply interface, a temperature sensor power supply interface, a humidity sensor power supply interface, and a pressure sensor power supply interface are reserved on the box body of the temperature control room. The heat exchanger, the electric heater, the circulating fan, the temperature sensor, the humidity sensor and the pressure sensor are powered through corresponding power supply interfaces, and all the interfaces are connected in a waterproof plug mode.
Optionally, as shown in fig. 1, the apparatus further includes a first controller 25, the first controller 25 is located inside the temperature control chamber 02, the first controller 25 is respectively in communication with the heat exchanger 210, the electric heater 211, the circulating fan 212, the temperature sensor, the humidity sensor and the pressure sensor, and the first controller 25 adaptively adjusts the operation mode of the heat exchanger 210, the operation mode of the electric heater 211 and the rotation speed of the circulating fan 212 according to the temperature value collected by the temperature sensor, the humidity value collected by the humidity sensor and the pressure value collected by the pressure sensor, so as to precisely control the temperature inside the temperature control chamber 02.
In one embodiment of the present application, as shown in fig. 1, the apparatus further comprises a second controller 12, the second controller 12 is located inside the enthalpy difference chamber 01 and outside the temperature control chamber 02, and the second controller 12 is in communication with the first controller 25. The second controller 12 located inside the enthalpy difference chamber 01 communicates with the first controller 25 located inside the temperature control chamber 02 to achieve the exchange of data, and the joint control of the second controller 12 and the first controller 25 achieves the determination of the heat dissipation performance of the electric heating apparatus 20.
The first controller may be a PLC controller, and the first controller may be a PLC controller.
In another embodiment of this application, above-mentioned device still includes the touch-control all-in-one, above-mentioned touch-control all-in-one communicates with above-mentioned first controller and above-mentioned second controller respectively, and the touch-control all-in-one shows data such as temperature sensor's temperature value, humidity transducer's humidity value, pressure sensor's pressure value, electric heating equipment's power and the cold volume of cold source in real time, is convenient for operating personnel to the real time monitoring of experimental data. Historical data is stored on the touch control integration in a database form, and historical data query can be carried out; 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.
In a more specific embodiment of this application, above-mentioned electric heating equipment is directly-heated type electric heating equipment, for example the directly-heated type electric heating equipment of resistance silk class, and this scheme can be used for judging whether directly-heated type electric heating equipment satisfies the design criterion, can provide accurate data support for the heating experiment, simultaneously, because the device has the data transmission function, so can be with test data transmission to other systems to supply the reference.
Examples
The embodiment relates to a specific method for determining the heat dissipation performance of electric heating equipment, which specifically comprises the following steps:
step 1: controlling the temperature of the environment in the temperature control chamber to be kept at 20 ℃ (which can be set according to requirements), controlling the relative humidity not to be more than 85% RH (which can be set according to requirements), controlling the temperature of the environment in the enthalpy difference chamber to be kept at 20 ℃, and waiting for the temperature in the temperature control chamber to be balanced with the temperature in the enthalpy difference chamber, namely the temperature in the temperature control chamber is equal to the temperature in the enthalpy difference chamber.
Step 2: meanwhile, the electric heater and the refrigerating unit in the temperature control chamber are started, the flow of the chilled water is adjusted through the regulating valve of the refrigerating unit, so that the heat absorbed by the chilled water is equal to the heat dissipated by the electric heater, and the temperature in the temperature control chamber is kept constant.
And step 3: and detection data such as a temperature sensor, a flowmeter and the like arranged on the refrigerating unit can be transmitted to the second controller in real time. The real-time recording, acquisition and storage of the detection data are realized.
And 4, step 4: data collected by a power meter installed on the electric heating equipment can be transmitted to the first controller in real time, and the first controller is communicated with the second controller, so that the data collected by the power meter can be recorded, collected and stored in real time.
And 5: and an efficiency calculation formula is arranged in the touch all-in-one machine, the touch all-in-one machine is respectively communicated with the first controller and the second controller, and the heat dissipation efficiency of the electric heating equipment can be determined according to the ratio of the cold energy of the cold source to the electricity consumption of the electric heating equipment. The electricity consumption of the electric heating equipment is equal to the power of the electric heating equipment multiplied by the electricity consumption time.
The specific way of determining the cold quantity of the cold source in the step 5 is as follows:
the cold quantity of the cold source is determined by adopting the following formula:
in the formula:
q represents cold source cold energy, and the unit is kW;
c represents the specific heat capacity of a cold source at the average temperature, and the unit is J/kg.k;
T1the water inlet temperature of the cold source is expressed, namely the water inlet temperature of the cold source is the temperature of water flow entering the heat exchanger, and the unit is;
T2the outlet water temperature of the cold source is shown, namely the outlet water temperature of the cold source is the temperature of the water flow flowing out of the heat exchanger, and the unit is;
Vmdenotes the volume flow of the cold source, m3/s；
ρ represents the liquid density at the current temperature, kg/m3。
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
the utility model provides a measure device of heating capacity, the electric heating equipment that is located the accuse temperature room produces the heat, the cold source that the refrigerating unit that is located the outside in accuse temperature room produced flows into the inside in accuse temperature room in order to reduce the inside temperature in accuse temperature room, the inside temperature in indoor unit control accuse temperature room, detect the inside constancy of temperature in accuse temperature room at indoor unit, the heating capacity that acquires electric heating equipment through the power consumption and the cold source cold volume of gathering electric heating equipment, confirm the heat dispersion of electric heating equipment according to the heating capacity. The scheme can be used for judging whether the electric heating equipment meets the design standard or not, and can provide accurate data support for heating experiments.
The above description is only a preferred embodiment of the present application and is not intended to limit 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.
Claims (10)
1. An apparatus for measuring an amount of heating, comprising:
an enthalpy difference chamber;
a temperature control chamber located within the enthalpy difference chamber;
the electric heating equipment is positioned in the temperature control chamber;
the refrigerating unit is positioned in the enthalpy difference chamber and outside the temperature control chamber and is used for generating a cold source;
and the indoor unit is positioned in the temperature control chamber and communicated with the refrigerating unit, and the indoor unit is used for controlling the temperature inside the temperature control chamber.
2. The device of claim 1, further comprising a perforated plate, wherein the perforated plate is installed in the temperature control chamber, the periphery of the perforated plate is seamlessly connected with the inner wall of the temperature control chamber, the perforated plate divides the inner space of the temperature control chamber into two parts, namely a first space and a second space, the indoor unit is located in the first space, and the electric heating equipment is located in the second space.
3. The apparatus of claim 2, wherein the indoor unit includes a heat exchanger, an electric heater, and a circulating fan, the heat exchanger being connected to the electric heater and the circulating fan, respectively, the heat exchanger being in communication with the refrigeration unit.
4. The apparatus of claim 3, wherein the indoor unit further comprises a temperature sensor, a humidity sensor, and a pressure sensor.
5. The apparatus of claim 4, further comprising a power source located inside the enthalpy difference chamber and outside the temperature control chamber, the power source being electrically connected to the heat exchanger, the electric heater, the circulating fan, the temperature sensor, the humidity sensor, and the pressure sensor, respectively.
6. The apparatus of claim 5, further comprising a first controller located inside the temperature control chamber, the first controller being in communication with the heat exchanger, the electric heater, the circulation fan, the temperature sensor, the humidity sensor, and the pressure sensor, respectively.
7. The apparatus of claim 6, further comprising a second controller located inside the enthalpy difference chamber and outside the temperature control chamber, the second controller being in communication with the first controller.
8. The device of claim 7, further comprising a touch-all-in-one machine in communication with the first controller and the second controller, respectively.
9. The device of claim 4, wherein a fan power supply interface, a heat exchanger power supply interface, an electric heater power supply interface, a temperature sensor power supply interface, a humidity sensor power supply interface and a pressure sensor power supply interface are reserved on the box body of the temperature control room.
10. The apparatus according to any one of claims 1 to 9, wherein the electric heating device is a direct-heating type electric heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875878.5A CN112013999A (en) | 2020-08-25 | 2020-08-25 | Device for measuring heating capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010875878.5A CN112013999A (en) | 2020-08-25 | 2020-08-25 | Device for measuring heating capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112013999A true CN112013999A (en) | 2020-12-01 |
Family
ID=73502640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010875878.5A Pending CN112013999A (en) | 2020-08-25 | 2020-08-25 | Device for measuring heating capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112013999A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003089854A1 (en) * | 2002-04-22 | 2003-10-30 | Danfoss A/S | Method for detecting changes a first flux of a heat or cold transport medium in a refrigeration system |
| CN101629857A (en) * | 2008-07-18 | 2010-01-20 | 纪周 | System and method for metering cooling/heating amount of air conditioners |
| CN102353479A (en) * | 2011-06-25 | 2012-02-15 | 北京机械设备研究所 | Device for measuring cooling capacity of thermoelectric refrigerating unit |
| CN104776943A (en) * | 2015-04-16 | 2015-07-15 | 广东美的制冷设备有限公司 | Air conditioner heat exchange amount detection method and device |
| CN205808741U (en) * | 2016-06-20 | 2016-12-14 | 合肥卡诺汽车空调有限公司 | A kind of duplex measurement on-board air conditioner and the enthalpy difference experiment device of battery thermal management performance |
| CN107036253A (en) * | 2017-05-09 | 2017-08-11 | 北京华宏环能科技有限公司 | A kind of enthalpy difference laboratory based on temperature humidity independent control |
| CN109695933A (en) * | 2018-12-26 | 2019-04-30 | 国网北京市电力公司 | The environmental control system of enthalpy difference chamber |
| CN110823415A (en) * | 2019-11-28 | 2020-02-21 | 浙江高翔工贸有限公司 | Calorimeter by direct heat exchange method |
| CN211147899U (en) * | 2019-11-28 | 2020-07-31 | 浙江高翔工贸有限公司 | Calorimeter by direct heat exchange method |
-
2020
- 2020-08-25 CN CN202010875878.5A patent/CN112013999A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003089854A1 (en) * | 2002-04-22 | 2003-10-30 | Danfoss A/S | Method for detecting changes a first flux of a heat or cold transport medium in a refrigeration system |
| CN101629857A (en) * | 2008-07-18 | 2010-01-20 | 纪周 | System and method for metering cooling/heating amount of air conditioners |
| CN102353479A (en) * | 2011-06-25 | 2012-02-15 | 北京机械设备研究所 | Device for measuring cooling capacity of thermoelectric refrigerating unit |
| CN104776943A (en) * | 2015-04-16 | 2015-07-15 | 广东美的制冷设备有限公司 | Air conditioner heat exchange amount detection method and device |
| CN205808741U (en) * | 2016-06-20 | 2016-12-14 | 合肥卡诺汽车空调有限公司 | A kind of duplex measurement on-board air conditioner and the enthalpy difference experiment device of battery thermal management performance |
| CN107036253A (en) * | 2017-05-09 | 2017-08-11 | 北京华宏环能科技有限公司 | A kind of enthalpy difference laboratory based on temperature humidity independent control |
| CN109695933A (en) * | 2018-12-26 | 2019-04-30 | 国网北京市电力公司 | The environmental control system of enthalpy difference chamber |
| CN110823415A (en) * | 2019-11-28 | 2020-02-21 | 浙江高翔工贸有限公司 | Calorimeter by direct heat exchange method |
| CN211147899U (en) * | 2019-11-28 | 2020-07-31 | 浙江高翔工贸有限公司 | Calorimeter by direct heat exchange method |
Non-Patent Citations (2)
| Title |
|---|
| 朱俊伟: ""焓差室测控系统及职能控制策略的研究"", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 陆亚俊: "《制冷技术与应用》", 31 December 1992, 中国建筑工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10006642B2 (en) | Systems and methods for controlling conditioned fluid systems in a built environment | |
| CN109769381B (en) | Heat dissipation system, control method thereof and electronic equipment | |
| KR101672831B1 (en) | Control system and control method for heating using circulation water temperature | |
| CN205333553U (en) | Capability test device of heat pipe exchanger spare | |
| CN102937490B (en) | Air conditioner refrigerating capacity and heating capacity testing method and air pipe box heat meter | |
| CN109406573A (en) | It is a kind of for testing the test device and test method of thermal conductive silicon rubber mat thermal conductivity | |
| CN207585879U (en) | A kind of experimental provision for plane wall jet flow gaseous film control | |
| CN206610182U (en) | A kind of device of control high/low temperature circulation change and constant temperature | |
| CN107085010A (en) | A kind of refrigerant radiator test device and method | |
| IES86813B2 (en) | Apparatus and methods for managing hot water in a hot water storage tank heating system | |
| CN103930743A (en) | Gas heater/cooler apparatuses and methods | |
| CN107143904B (en) | Continuous water supply type room heat supply temperature control and heat metering device and method | |
| CN112013999A (en) | Device for measuring heating capacity | |
| CN111110976B (en) | Temperature control method for humidifier of respiratory support equipment and respiratory support equipment | |
| CN206563915U (en) | A kind of magnetic Nano hydroenhancement heat transfer control system | |
| CN107246975A (en) | A kind of flow refrigerator with adjustable heat exchanger performance test system | |
| CN107743601A (en) | Heat exchanger controls and diagnostic device | |
| CN209355497U (en) | Fluid management system | |
| CN210717771U (en) | Heating system | |
| CN111504517A (en) | Heat exchange quantity testing method for water cooling equipment | |
| CN207365179U (en) | Heating control system and heating system | |
| CN208505557U (en) | A kind of central air conditioning fan coil unit flow detector | |
| CN110431359A (en) | Humidity control system and PCU Power Conditioning Unit | |
| CN106225329A (en) | The plug-in module of shell-type exchangers, water-cooled and water-cooling system | |
| Karimpour et al. | Thermal performance and energy saving investigation in a modified baseboard radiator and compare it with conventional heating systems—Experimental and CFD approach |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201201 |