CN213209163U - Refrigerant mass flow measuring device of air conditioner heat pump system - Google Patents

Refrigerant mass flow measuring device of air conditioner heat pump system Download PDF

Info

Publication number
CN213209163U
CN213209163U CN202022115842.5U CN202022115842U CN213209163U CN 213209163 U CN213209163 U CN 213209163U CN 202022115842 U CN202022115842 U CN 202022115842U CN 213209163 U CN213209163 U CN 213209163U
Authority
CN
China
Prior art keywords
temperature sensor
processor
data
condensation
refrigerant
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.)
Active
Application number
CN202022115842.5U
Other languages
Chinese (zh)
Inventor
王智超
韩立超
邵双全
杨强
徐昭炜
勾小溪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianke Huanneng Beijing Technology Co Ltd
Original Assignee
Jianke Huanneng Beijing Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jianke Huanneng Beijing Technology Co Ltd filed Critical Jianke Huanneng Beijing Technology Co Ltd
Priority to CN202022115842.5U priority Critical patent/CN213209163U/en
Application granted granted Critical
Publication of CN213209163U publication Critical patent/CN213209163U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air Conditioning Control Device (AREA)

Abstract

The utility model discloses a mass flow measuring device of a refrigerant of an air-conditioning heat pump system, which comprises a monitoring device and a processing device; the monitoring equipment comprises an upstream temperature sensor, a downstream temperature sensor, a condensation measurer and electric quantity acquisition equipment, wherein the upstream temperature sensor is arranged at the inflow end of the compensation electric heater, the downstream temperature sensor is arranged at the outflow end of the compensation electric heater, and the electric quantity acquisition equipment is connected to a circuit of the compensation electric heater and is used for acquiring the electric quantity consumed by the compensation electric heater; the processing equipment comprises a processor and a memory, and the processor and the monitoring equipment perform data interaction. This novel advantage that has is this novel through in on-the-spot air conditioning system, set up the supervisory equipment that can not cause the destruction to the refrigerant pipeline, like temperature sensor and electric quantity collection equipment, under the prerequisite of not destroying the pipeline, can calculate refrigerant mass flow through the data that record indirectly.

Description

Refrigerant mass flow measuring device of air conditioner heat pump system
Technical Field
The utility model relates to a flow test field, concretely relates to air conditioner heat pump system refrigerant mass flow survey method, device and system.
Background
The air-conditioning heat pump system is a refrigerating and heating system which follows the inverse Carnot cycle principle, utilizes the refrigerant in the circulating system to bring the heat of the cooled space into the environment medium, obtains the cold quantity from the cooled space and emits the heat quantity to the environment. The system generally comprises four major components, including a compressor, a condenser, a throttling device and an evaporator. Due to the rapid development of use requirements and technologies, the air-conditioning heat pump unit with the air-supplying and enthalpy-increasing structure is derived from the traditional cold-warm air-conditioning heat pump unit, and particularly when the traditional air-conditioning heat pump unit is used for heating in winter in northern cold areas of China, the air-supplying and enthalpy-increasing air source heat pump unit is widely applied to solve the problem that the traditional air-conditioning is low in low-temperature heating energy efficiency.
The energy efficiency test of the air-conditioning heat pump system is generally carried out in an enthalpy difference chamber of a laboratory according to a specified working condition, the energy efficiency of the air-conditioning heat pump is often influenced by factors such as environmental conditions, installation modes, load sizes and using habits in the actual using process of a site, the actual energy efficiency and the laboratory test value have great difference, and therefore the actual operating parameters of the air-conditioning heat pump are particularly important when the air-conditioning heat pump system is used on the site.
The mass flow of the refrigerant in the heat pump air-conditioning system is an important parameter for judging whether the system is normally operated, and when the refrigerant circulation is utilized to calculate the refrigerating capacity and the heating capacity of the heat pump air-conditioning, the mass flow of the refrigerant is an essential parameter, so that the mass flow of the refrigerant is an important parameter in the field of heat pump air-conditioning. At present, a Coriolis mass flowmeter or an ultrasonic flowmeter is mainly used for flow rate test in an experiment, but the Coriolis mass flowmeter is not easy to install in a use site, an original system pipeline needs to be damaged, and the site is not allowed; ultrasonic flow meters have a relatively large flow rate test error under certain operating conditions, and such flow meters for testing refrigerant mass flow rates are expensive.
Therefore, on the basis of the original heat pump air conditioning system, how to avoid the problem of damage to the refrigerant pipeline on site and accurately measuring the mass flow of the refrigerant in the circulating system is a key technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model aims to provide a method and a device for measuring the mass flow of a refrigerant of an air-conditioning heat pump system, which aim to solve the defect that the mass flow of the refrigerant needs to be damaged when the mass flow of the refrigerant is measured on the prior heat pump air-conditioning system.
To achieve these objects and other advantages in accordance with the purpose of the invention, four aspects are provided for illustration.
In a first aspect, a method for measuring mass flow of refrigerant in an air conditioning heat pump system includes:
obtaining the consumption power P of the compensating electric heaterHeater
Respectively obtaining the refrigerant temperature t of the inflow end and the outflow end of the compensating electric heaterupAnd tdown
Obtaining specific heat C of refrigerantp
Using a formula
Figure DEST_PATH_DEST_PATH_IMAGE001
And calculating to obtain the refrigerant mass flow m.
In one possible design, the above obtains the specific heat C of the refrigerantpThe method comprises the following steps:
obtaining a condensing pressure Pcon
Obtaining the number of the refrigerant;
the name of the refrigerant is looked up in the database according to the number, and the refrigerant is looked up according to the average temperature and pressure in the range of the compensation electric heaterSpecific heat C under these conditionsp
In one possible design, the line pressure obtaining mode comprises the following steps:
testing the condensation temperature T in a condensercon
By condensing temperature TconInquiring in database to obtain condensing pressure Pcon
Alternatively, the first and second electrodes may be,
the condensing pressure was tested.
In one possible design, the above-mentioned number of the obtained refrigerants obtains:
consumption power P of the compensating electric heaterHeaterUnique numbers are inserted into the data;
the refrigerant temperature t of the inflow end and the outflow end of the electric heater is compensatedupAnd tdownUnique numbers are also inserted into the data;
said condensation pressure PconUnique numbers are inserted into the data;
in obtaining PHeater、tup、tdownAnd PconWhen data is acquired, the refrigerant number is determined by storing the data association number.
In a second aspect, an apparatus for measuring mass flow of refrigerant in an air conditioning heat pump system includes:
the compensation electric heater is arranged on the pipeline between the compressor and the condenser, wraps a section of pipeline and heats a medium in the pipeline;
the monitoring equipment comprises an upstream temperature sensor, a downstream temperature sensor and electric quantity acquisition equipment, wherein the upstream temperature sensor is arranged at the medium inflow end of a compensation electric heater wrapping pipeline, the downstream temperature sensor is arranged at the medium outflow end of the compensation electric heater wrapping pipeline, the electric quantity acquisition equipment is connected to a power supply circuit of the compensation electric heater and used for acquiring the consumed power of the compensation electric heater, a condensation measurer is further arranged on the condenser and is a condensation temperature sensor or a condensation pressure sensor.
And the processing equipment comprises a processor and a memory, and the processor and the monitoring equipment perform data interaction.
In one possible design, the processor is connected with the monitoring device through a line, and the upstream temperature sensor, the downstream temperature sensor, the condensation measurer and the electric quantity acquisition device are respectively connected with the processor through lines.
In one possible design, the processor is wirelessly connected with the monitoring device, the monitoring device further includes a controller and a first data transceiver, the upstream temperature sensor, the downstream temperature sensor, the first data transceiver, the condensation measurer and the electric quantity collecting device are all connected to the controller, and the processing device further includes a second data transceiver, and the second data transceiver and the memory are all connected with the processor.
In one possible design, the processor is wirelessly connected with the monitoring device, the signal output end of the upstream temperature sensor is connected to the upstream temperature data remote transmitter, the signal output end of the downstream temperature sensor is connected to the downstream temperature data remote transmitter, the output end of the condensation measurer is connected to the condensation data remote transmitter, the electric quantity acquisition device is connected to the electric quantity data remote transmitter, and the processing device further comprises a second data transceiver, and the second data transceiver and the memory are both connected with the processor.
In a third aspect, the system for measuring the mass flow of the refrigerant in the air-conditioning heat pump system comprises an information receiving module, a data storage module and a data processing module, wherein the information receiving module is used for receiving information sent from the outside, the data storage module is used for storing a computer program, and the data processing module is used for executing the computer program to realize the method for measuring the mass flow of the refrigerant in the air-conditioning heat pump system in the first aspect.
In a fourth aspect, a storage medium has a computer program stored thereon, and the computer program is executed by a processor to implement the method for measuring mass flow rate of refrigerant in an air conditioning heat pump system according to the first aspect.
This is novel at least to include following beneficial effect: this is novel through in on-the-spot air conditioning system, in refrigerant circulation system, wrap up one section compensation electric heater on the pipeline between compressor and the condenser, then set up the supervisory equipment that can not cause the destruction to the refrigerant pipeline, like temperature sensor, pressure sensor and electric quantity collection equipment, under the prerequisite of not destroying the pipeline, can calculate refrigerant mass flow through the data that record indirectly.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a flow chart of a method for measuring mass flow of refrigerant in an air conditioning heat pump system;
FIG. 2 is a flow chart of a method for determining the specific heat of a refrigerant;
FIG. 3 is a first structural schematic diagram of an air-conditioning heat pump system;
FIG. 4 is a structural schematic diagram II of an air-conditioning heat pump system;
FIG. 5 is a first block diagram of a mass flow rate measuring device for the refrigerant in the heat pump system of the air conditioner;
FIG. 6 is a second structural diagram of a mass flow rate measuring device for the refrigerant of the air-conditioning heat pump system;
FIG. 7 is a third structural diagram of a mass flow rate measuring device for the refrigerant of the air-conditioning heat pump system;
fig. 8 is a block diagram of a mass flow rate measuring system for the refrigerant of the air conditioning heat pump system.
Detailed Description
The invention is further described with reference to the following drawings and specific embodiments. It should be noted that the description of the embodiments is for the purpose of facilitating understanding of the present invention, but the present invention is not limited to the embodiments. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present novel concept may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.
It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the present invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative designs, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
In a first aspect, as shown in fig. 1, a method for measuring mass flow of refrigerant in an air conditioning heat pump system includes:
s101, obtaining the consumed power P of the compensation electric heaterHeater
S102, respectively obtaining the refrigerant temperature t of the inflow end and the outflow end of the compensation electric heaterupAnd tdown
S103, obtaining the specific heat C of the refrigerantp
S104, adopting a formula
Figure DEST_PATH_409444DEST_PATH_IMAGE001
And calculating to obtain the refrigerant mass flow m.
In one possible design, as shown in FIG. 2, the specific heat C of the refrigerant is obtainedpThe method comprises the following steps:
s201, obtaining a condensing pressure Pcon
S202, acquiring the number of the refrigerant;
s203, inquiring the name of the refrigerant in the database according to the number, and inquiring the refrigerant under the condition according to the average temperature and the pressure in the range of the compensation electric heaterSpecific heat Cp
In one possible design, there are two ways to obtain the pipeline pressure, the first is to measure the condensation temperature and then query in the database to obtain the condensation pressure; the second measures the condensing pressure directly.
First, the condensing pressure is tested, and the pressure of all the pipelines between the outlet of the compressor and the throttle valve is consistent, so that a condensing pressure sensor can be arranged on a condenser, or a pipeline between the condenser and the throttle valve, or a pipeline between the compressor and the condenser.
Consumption power P of the compensating electric heaterHeaterUnique numbers are inserted into the data;
the refrigerant temperature t of the inflow end and the outflow end of the electric heater is compensatedupAnd tdownUnique numbers are also inserted into the data;
said condensation pressure PconUnique numbers are inserted into the data;
in obtaining PHeater、tup、tdownAnd PconWhen data is acquired, the refrigerant number is determined by storing the data association number.
Second, the condensing temperature T in the condenser is testedcon
By condensing temperature TconInquiring in database to obtain condensing pressure Pcon. (the pressure in all the pipes from the compressor outlet to the throttle valve is the same, so the pressure in the condenser is the same as the pressure in the pipes at both ends)
The above-described number acquisition method for acquiring the refrigerant:
consumption power P of the compensating electric heaterHeaterUnique numbers are inserted into the data;
the refrigerant temperature t of the inflow end and the outflow end of the electric heater is compensatedupAnd tdownUnique numbers are also inserted into the data;
the condensing temperature T of the medium in the condenserconThe data is inserted with a unique number which passes through the condensation temperature TconMaking a look-up in a databaseInquiring to obtain the condensing pressure PconAnd a condensing pressure PconUnique numbers are inserted into the data;
in obtaining PHeater、tup、tdownAnd PconWhen data is acquired, the refrigerant number is determined by storing the data association number.
Therefore, the condensing pressure is inquired through the condensing temperature, and mainly, a pressure test interface is not arranged on a pipeline sometimes, so that the condensing pressure is indirectly obtained through the condensing temperature.
The mass flow of the refrigerant in the air conditioner of test scene indicates the air conditioner of user in use, we can't often go to the user's house and copy the data, so this novel electric quantity collection equipment that adopts the model as ZH-41094 is equipped with the GPRS function in, has remote data transmission function, can send the power consumption value that records to the remote end, and the treater has obtained the power consumption P who compensates electric heater promptly like thisHeater
This novel refrigerant temperature that adopts thermometer collection compensation electric heater to flow in end and the end that flows to and gather the condensation temperature in the condenser, adopt the temperature sensor that the model is WZP-230, testable gas and liquid medium, and install a GPRS module additional on temperature sensor. So that the temperature sensor has the function of data remote transmission. Thus, the remote processor can obtain the refrigerant temperature at the inflow end and the outflow end of the compensation electric heater and the condensation temperature of the condenser.
When the electric quantity acquisition equipment and the temperature sensor send data, a serial number is inserted, and the serial number is the only serial number pointing to the air conditioner, so that the processor can simultaneously test data of a plurality of field air conditioners. And all the field air conditioners are provided with a unique number, the unique number is associated with the name of the refrigerant used by the field air conditioners and is stored in the memory, the processor inquires the corresponding refrigerant from the memory through the unique number, and the temperature of the refrigerant in a section of pipeline wrapped by the compensation electric heater is the temperature tupAnd tdownAnd the average value of, and the pressure, the pressureThe force corresponds to the condensing pressure in the condenser. The specific heat C of the refrigerant in the state can be inquired through the name of the refrigerant, the temperature and the pressure of the refrigerantpAnd the refrigerant mass flow m can be calculated through a formula.
In the present invention, NIST software is stored in the memory, and is refrigerant property calculation software, and data of various refrigerants is stored in the database of the software.
As shown in fig. 3 and 4, in the present invention, the compensating electric heater 5 is wrapped on a section of pipeline of refrigerant circulation, specifically, on the pipeline between the compressor 1 and the condenser 2, the compensating electric heater 5 is a resistance-type heating wire, and is wound on the pipeline, and the outside is wrapped with heat insulation cotton, and the electric quantity collecting device 6 is connected to the power supply loop of the compensating electric heater 5, and does not affect the pipeline; the test head of the temperature sensor only needs to be arranged close to the outer wall of the pipeline, so that the temperature inside the pipeline can be tested, and the pipeline cannot be damaged. The coriolis mass flowmeter used in the laboratory needs to intercept the pipeline completely, that is, after the medium needs to pass through the coriolis mass flowmeter, the coriolis mass flowmeter can measure the mass flow value, which causes too much damage to the pipeline and is not suitable for collecting data on site, and the coriolis mass flowmeter has too high cost.
The medium flows from the compressor 1 to the condenser 2, so that an upstream temperature sensor 8 is arranged on the pipeline at one end of the compensating electric heater 5 close to the compressor 1, and a downstream temperature sensor 7 is arranged on the pipeline at one end of the compensating electric heater 5 close to the condenser 2. The condenser 2 is provided with a condensation temperature sensor 9 or a condensation pressure sensor 10.
Either a condensation temperature sensor 9 or a condensation pressure sensor 10 may be used, both of which may be used to obtain the specific heat C of the refrigerantp
The condensation pressure sensor 10 is arranged, and the refrigeration system is provided with a refrigerant filling port, and can be used as a condensation pressure measuring interface in the heating condition, or some refrigeration systems are specially provided with a condensation pressure interface, and if the condensation pressure measuring interface is not arranged, the refrigerant filling port is arranged on the common condenser 2. The probe of the condensation temperature sensor 9 is generally arranged at the elbow of a condensation coil of the condenser 2, and the outside is insulated by insulation cotton for condensation temperature measurement.
In a second aspect, as shown in fig. 3-7, a mass flow rate measuring device for refrigerant in heat pump system of air conditioner comprises:
the compensation electric heater 5 is arranged on a pipeline between the compressor 1 and the condenser 2, and the compensation electric heater 5 wraps a section of pipeline to heat a medium in the pipeline;
the monitoring device comprises an upstream temperature sensor 8, a downstream temperature sensor 7 and an electric quantity acquisition device 6, wherein the upstream temperature sensor 8 is arranged at a medium inflow end of a wrapping pipeline of the compensation electric heater 5, the downstream temperature sensor 7 is arranged at a medium outflow end of the wrapping pipeline of the compensation electric heater 5, the electric quantity acquisition device 6 is connected to a power supply circuit of the compensation electric heater 5 and is used for acquiring consumed power of the compensation electric heater 5, and the condenser 2 is also provided with a condensation measurer which is a condensation temperature sensor 9 or a condensation pressure sensor 10;
and the processing equipment comprises a processor and a memory, and the processor and the monitoring equipment perform data interaction.
The whole air conditioning system comprises a compressor 1, a condenser 2, a throttling device 3 and an evaporator 4 which are sequentially connected through pipelines, a refrigerant circularly flows in the system, and a compensating electric heater 5 is arranged on the pipeline between the compressor 1 and the condenser 2.
The second aspect mainly explains that the integral equipment comprises monitoring equipment installed on site and processing equipment located in a monitoring center, wherein the monitoring center is the position of an experimental testing party, the processing equipment is used for obtaining on-site monitoring data and then calculating the mass flow of the refrigerant of the air-conditioning heat pump system.
As shown in fig. 5, the connection between the processing device and the monitoring device is a problem, for example, when the two devices are close to each other, the two devices can be directly connected through 485 lines, the processor and the monitoring device are connected through lines, and the upstream temperature sensor, the downstream temperature sensor, the condensation measurer and the electric quantity acquisition device are respectively connected with the processor through lines.
As shown in fig. 6, when the processing device is far away from the monitoring device, the processor is wirelessly connected with the monitoring device, the signal output end of the upstream temperature sensor is connected to the upstream temperature data remote transmitter, the signal output end of the downstream temperature sensor is connected to the downstream temperature data remote transmitter, the output end of the condensation measurer is connected to the condensation data remote transmitter, the electric quantity collecting device is connected to the electric quantity data remote transmitter, the processing device further comprises a second data transceiver, and the second data transceiver and the memory are both connected with the processor. The method for generating the connection mode is similar to that of the first aspect, namely, the electric quantity data are inserted into the unique number of the compensation electric heater by the electric quantity acquisition equipment and then are sent to the far end, the temperature sensor is similar, and then the mass flow value is obtained by the method of the first aspect.
As shown in fig. 7, there is also a method when the processing device is located a significant distance from the monitoring device, the processor is wirelessly connected to the monitoring device, the monitoring device further includes a controller and a first data transceiver, the upstream temperature sensor, the downstream temperature sensor, the first data transceiver, the condensation measurer, and the charge collection device are all connected to the controller, the processing device further includes a second data transceiver, and the second data transceiver and the memory are all connected to the processor.
The method is characterized in that monitoring equipment is connected to a controller, the controller packages electric quantity data, temperature data, pressure data and the unique number of a compensation electric heater uniformly and then sends the data to a remote end through a first data transceiver, a processor at the remote end receives the data through a second transceiver, and then the mass flow value is obtained through the method of the first aspect.
In the novel system, the controller adopts a chip with the model of EMB-7522, and the processor adopts a chip with the model of EMB-7521. The first data transceiver, the second data transceiver, the upstream temperature data remote transmitter, the downstream temperature data remote transmitter and the electric quantity data remote transmitter all adopt data transceiver modules with the model of LSSF-GPRS DTU, and can transmit and receive data through a GPRS wireless network.
Peripheral devices such as a display, a keyboard, a mouse and the like are connected to the processor and used for the conventional operation of workers, and the detailed description is omitted here.
In a third aspect, as shown in fig. 8, the system for measuring mass flow of refrigerant in an air-conditioning heat pump system includes an information receiving module, a data storage module and a data processing module, wherein the information receiving module is configured to receive information sent from outside, the data storage module is configured to store a computer program, and the data processing module is configured to execute the computer program to implement the method for measuring mass flow of refrigerant in an air-conditioning heat pump system according to the first aspect.
The system is a measuring system, mainly a system at a monitoring center, an information receiving module is used for receiving data sent by a remote end, a data storage module is used for storing all received data, a data processing module is used for processing the received data through a computer program, and the data can be displayed through a display to enable a worker to know the mass flow of a remote site air conditioner.
In a fourth aspect, a storage medium has a computer program stored thereon, and the computer program, when executed by a processor, implements the method for determining a mass flow rate of refrigerant in an air conditioning heat pump system according to the first aspect.
The calculation process of the first aspect requires support of a computer program, and the present invention stores the computer program on a memory, and the processor can call the computer program in the memory to calculate the mass flow of the refrigerant of the air-conditioning heat pump system on site.
The storage medium adopts a computer hard disk, a mobile U disk, an optical disk and the like.
While the present invention has been described with reference to the above embodiments, it is not intended to be limited to the details shown, since various modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. Air conditioner heat pump system refrigerant mass flow survey device characterized in that includes:
the compensation electric heater is arranged on the pipeline between the compressor and the condenser, wraps a section of pipeline and heats a medium in the pipeline;
the monitoring equipment comprises an upstream temperature sensor, a downstream temperature sensor and electric quantity acquisition equipment, wherein the upstream temperature sensor is arranged at the medium inflow end of the compensation electric heater wrapping pipeline, the downstream temperature sensor is arranged at the medium outflow end of the compensation electric heater wrapping pipeline, the electric quantity acquisition equipment is connected to a power supply circuit of the compensation electric heater and used for acquiring the consumed power of the compensation electric heater, a condensation measurer is also arranged on the condenser, and the condensation measurer is a condensation temperature sensor or a condensation pressure sensor; and the processing equipment comprises a processor and a memory, and the processor and the monitoring equipment perform data interaction.
2. The apparatus of claim 1, wherein the processor is wired to the monitoring device, and the upstream temperature sensor, the downstream temperature sensor, the condensation measurer, and the charge collection device are wired to the processor, respectively.
3. The apparatus of claim 1, wherein the processor is wirelessly coupled to a monitoring device, the monitoring device further comprising a controller and a first data transceiver, the upstream temperature sensor, the downstream temperature sensor, the first data transceiver, the condensation measurer, and the charge collection device all coupled to the controller, the processing device further comprising a second data transceiver, the second data transceiver and the memory all coupled to the processor.
4. The apparatus of claim 1, wherein the processor is wirelessly connected to the monitoring device, the signal output of the upstream temperature sensor is connected to the upstream temperature data remote transmitter, the signal output of the downstream temperature sensor is connected to the downstream temperature data remote transmitter, the output of the condensation measurer is connected to the condensation data remote transmitter, the charge collection device is connected to the charge data remote transmitter, the processing device further comprises a second data transceiver, and the second data transceiver and the memory are both connected to the processor.
CN202022115842.5U 2020-09-24 2020-09-24 Refrigerant mass flow measuring device of air conditioner heat pump system Active CN213209163U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022115842.5U CN213209163U (en) 2020-09-24 2020-09-24 Refrigerant mass flow measuring device of air conditioner heat pump system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022115842.5U CN213209163U (en) 2020-09-24 2020-09-24 Refrigerant mass flow measuring device of air conditioner heat pump system

Publications (1)

Publication Number Publication Date
CN213209163U true CN213209163U (en) 2021-05-14

Family

ID=75823231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022115842.5U Active CN213209163U (en) 2020-09-24 2020-09-24 Refrigerant mass flow measuring device of air conditioner heat pump system

Country Status (1)

Country Link
CN (1) CN213209163U (en)

Similar Documents

Publication Publication Date Title
Wang et al. The novel use of phase change materials in refrigeration plant. Part 1: Experimental investigation
CN101091093A (en) Hvac monitor and superheat calculator system
EP2973120B1 (en) Smart hvac manifold system
CN100549573C (en) Air regulator and method of determining amount of refrigerant thereof
CN102345951B (en) Energy efficiency estimation online monitoring system for refrigerating system
CN109754195B (en) Annual performance detection method of ground source heat pump system
CN104949411A (en) Device and method for detecting quantity of refrigerants and air-conditioner with device for detecting quantity of refrigerants
CN106595755B (en) The air cooler efficiency evaluation on-line monitoring system and method for large-scale petroleum chemical plant installations
EP2780638A2 (en) Apparatus and methods for monitoring and analysing the performance of a heating or cooling system
CN112798308A (en) Heat exchanger, gas test platform, data test system and device
JP4301085B2 (en) Deterioration diagnosis system for heat source equipment
CN204808042U (en) Novel temperature controller testboard
CN105890112A (en) Drifting detection method for temperature sensor in outdoor unit heat exchanger, processor and air conditioner
CN213209163U (en) Refrigerant mass flow measuring device of air conditioner heat pump system
CN102520010B (en) Condenser dirt detection method for vapor compression cycle cold water unit
KR20100108056A (en) Real time performance evaluation method for ground source heat pump system and evaluation device programming the same
CN106840733B (en) Air conditioning unit performance online detection method and detection device thereof
JP2002267232A (en) Service system and service-providing device for air conditioner
CN111998902A (en) Method, device and system for measuring mass flow of refrigerant of air-conditioning heat pump system
McDonald et al. Virtual flow meter to estimate the water flow rates in chillers
CN102095751A (en) Vehicle-mounted physical parameter tester of geological heat of ground source heat pump
CN110779748A (en) Multi-temperature-zone transport refrigeration unit performance test device and test method
CN202649190U (en) Refrigerating fluid cycle performance testing device
CN105572168A (en) Thermal type steam dryness meter
CN201188038Y (en) System for detecting heat dissipating capacity of heating radiator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant