Heat calculation method and system based on wireless communication technology

Abstract

The invention relates to the technical field of heat calculation, and discloses a heat calculation method and system based on a wireless communication technology, and the method comprises the steps: obtaining the diameter data of a hole channel in a separation blade; measuring and calculating a flow value according to pore diameter data and a front-back static pressure difference of the baffle; based on the flow numerical value, heat data of the heat supply system is measured and calculated through the temperature of the water supply pipeline and the temperature of the water return pipeline, and the flow unit comprises a pipeline, a connecting piece, a sampling pipe and a differential pressure transmitter; the temperature measuring unit comprises a temperature element and a signal acquisition module; and the heat unit comprises a monitoring system. The device has the beneficial effects that the pressure difference value of the two sides of the baffle can be measured through the diameter of the hole channel of the baffle, the fluid outflow coefficient and the density and the connection of the sampling pipes arranged on the two sides of the baffle to the differential pressure transmitter, the flow is measured, and then the water supply temperature and the recovery temperature are measured according to the temperature elements arranged on the water supply pipeline and the water return pipeline. And therefore, real-time heat data of the heat supply system can be calculated.

Description

Technical Field

[0001] The present invention relates to the technical field of heat calculation, and in particular to a heat calculation method and system based on wireless communication technology. Background Art

[0002] The accuracy of the metering device of the heating system will directly affect the company's low-carbon consumption reduction and social livelihood. The factory's heating system pipeline design is in different systems, which are divided into heating systems such as the whole factory pump room, the second phase independent heating network, the third phase independent heating network, and the heating network first station. At present, the factory's water supply and replenishment water heat calculations use flow, temperature and other parameters for manual calculation, which is not convenient for data recording. At the same time, it is affected by sampling problems and manual calculation errors, resulting in inaccurate calculation results, which seriously affects the monitoring and recording of heat data of our factory's heating system and the improvement of heating efficiency and quality.

[0003] In order to accurately measure and record the heat data of the heating system and improve the efficiency and quality of the heating system, an automatic heat calculation system based on wireless communication technology is designed. Measuring instruments are used to display the heat parameters through wireless network transmission technology, and automatic calculation methods and other functions are created to achieve accurate measurement, monitoring and analysis of heat, flow, temperature and other data. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] In a first aspect, the present invention provides a heat calculation method based on wireless communication technology, including: obtaining hole diameter data on a baffle;

[0007] Calculate the flow value based on the hole diameter data and the static pressure difference before and after the baffle;

[0008] Based on the flow value, the heat data of the heating system is calculated through the temperature of the supply and return pipes.

[0009]

[0010] Among them, A 2 is the pore area, R is the pore diameter, and the pore area A 2 It is proportional to the square of the hole diameter R.

[0011]

[0012] Among them, G is the flow rate, C d is the outflow coefficient, A 2 is the baffle pore area, ΔP is the pressure difference on both sides of the baffle, ρ is the fluid density, β is the ratio of the orifice diameter to the pipe diameter,

[0013] Q=G·C·(T g -T h )

[0014] Where Q is heat (unit: joule or kilowatt-hour), G is flow rate (unit: cubic meter / hour or ton / hour), C is specific heat capacity (unit: joule / kg·degree Celsius or kcal / kg·degree Celsius), T g is the water supply temperature (unit: Celsius), T h is the return water temperature (unit: Celsius).

[0015] In a second aspect, the present invention provides an industrial development prosperity index calculation system based on electricity consumption, comprising: a flow unit, the flow unit comprising a pipeline, a connector, a sampling tube and a differential pressure transmitter, the connector is arranged on the pipeline, the sampling tube is arranged on both sides of the connector, and the sampling tube is movably connected to the differential pressure transmitter;

[0016] A temperature measuring unit, the temperature measuring unit comprising a temperature element and a signal acquisition module, the temperature element is arranged in the pipeline, and the temperature element is electrically connected to the signal acquisition module;

[0017] The heat unit includes a monitoring system, and the signal acquisition module and the monitoring system are transmitted via wireless signals.

[0018] As a preferred solution of the heat calculation system of the present invention, the connecting member includes a clamping shell and a baffle, the clamping shell is movably connected to the pipeline, and the baffle is arranged between the symmetrically arranged clamping shells.

[0019] As a preferred solution of the heat calculation system of the present invention, the baffle includes a channel, the channel is arranged on the baffle, and the diameter of the channel is R.

[0020] As a preferred solution of the heat calculation system of the present invention, one end of the sampling tube passes through the pipeline, and the other end of the sampling tube is connected to the differential pressure transmitter. At least two sampling tubes are provided and are arranged on both sides of the symmetrically arranged clamping shell.

[0021] As a preferred solution of the heat calculation system described in the present invention, the differential pressure transmitter includes a display component, a first interface and a second interface, the first interface and the second interface are respectively connected to the sampling tube, and the display component is arranged on one side of the first interface.

[0022] As a preferred solution of the heat calculation system of the present invention, the differential pressure transmitter is electrically connected to the signal acquisition module via a data cable.

[0023] As a preferred solution of the heat calculation system of the present invention, the temperature element is arranged on the inner wall of the pipeline, and the temperature element is installed in the supply and return water pipelines respectively.

[0024] As a preferred solution of the heat calculation system of the present invention, the temperature element is electrically connected to the signal acquisition module through a data cable.

[0025] As a preferred solution of the heat calculation system of the present invention, the signal acquisition module is electrically connected to the monitoring system via a wireless signal.

[0026] Beneficial effects of the present invention: The present invention can measure the pressure difference on both sides of the baffle through the diameter of the baffle channel, the outflow coefficient and density of the fluid, and through the sampling tubes arranged on both sides of the baffle connected to the differential pressure transmitter, and can calculate the flow rate. Then, the water supply temperature and the recovery temperature values ​​are measured according to the temperature elements arranged in the supply and return pipes, so as to calculate the real-time heat data of the heating system. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0028] Figure 1 This is a diagram showing the flow unit structure of the heat calculation system.

[0029] Figure 2 A cross-sectional view of the flow unit of the heat calculation system.

[0030] Figure 3 This is a diagram showing the system structure of the heat calculation system. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0034] Example 1

[0035] Reference Figure 1 to Figure 3 , is a first embodiment of the present invention, which provides a calorie calculation system, comprising:

[0036] S100, obtaining the diameter data of the hole on the baffle;

[0037] Specifically, According to the data of the hole diameter R, calculate the hole area A 2 The value of

[0038] S200, calculate the flow value based on the channel diameter data and the static pressure difference before and after the baffle;

[0039] Specifically, According to the data of the sampling tubes connected to the differential pressure transmitter on both sides of the baffle, the static pressure difference ΔP before and after the baffle is obtained. d is the outflow coefficient, ρ is the fluid density, and β is the ratio of the orifice plate opening diameter to the pipe diameter. The flow value can be calculated using the above data.

[0040] S300 calculates the heat data of the heating system based on the flow value and the temperature of the supply and return pipes.

[0041] Specifically, Q = G·C·(T g -T h ), the water supply temperature T can be obtained according to the temperature measuring elements installed in the supply and return pipes g and return water temperature T h , thus obtaining the heat data of the heating system, where G (flow) is one of the key variables. Without accurate flow data, the heat cannot be accurately calculated.

[0042] Example 2

[0043] Reference Figure 1 to Figure 3, which is the second embodiment of the present invention, and which is different from the first embodiment in that: it also includes. In the previous embodiment, the heat calculation system includes a flow unit 100, a temperature measurement unit 200 and a heat unit 300.

[0044] Preferably, the flow unit 100 includes a pipeline 101, a connecting piece 102, a sampling tube 103 and a differential pressure transmitter 104. The connecting piece 102 is arranged on the pipeline 101, and both ends of the connecting piece 102 are movably connected to the pipeline 101 respectively. The sampling tube 103 is arranged on both sides of the connecting piece 102, and the sampling tube 103 extends into the interior of the pipeline 101. In this embodiment, the sampling tube is made of stainless steel, and the sampling tube 103 is movably connected to the differential pressure transmitter 104.

[0045] Preferably, the temperature measuring unit 200 includes a temperature element 201 and a signal acquisition module 202. The temperature element 201 is arranged in the pipeline 101. The temperature element 201 is electrically connected to the signal acquisition module 202. The temperature element 201 sends the temperature signal to the signal acquisition module 202 through a cable, and the differential pressure transmitter 104 sends the differential pressure to the signal acquisition module 202 through a cable.

[0046] Preferably, the heat unit 300 includes a monitoring system 301, the signal acquisition module 202 and the monitoring system 301 are transmitted via wireless signals, and the monitoring system 301 calculates the heat data of the heating system through a set program, thereby monitoring the heat data in real time.

[0047] When in use, the two ends of the connecting piece 102 are movably connected to the pipeline 101 respectively, and the sampling tube 103 is arranged on both sides of the connecting piece 102. The sampling tube 103 made of stainless steel also extends into the interior of the pipeline 101. The sampling tube 103 is movably connected to the differential pressure transmitter 104. The static pressure difference at the two ends of the connecting piece 102 is measured by the differential pressure transmitter 104. The differential pressure transmitter 104 sends the differential pressure to the signal acquisition module 202 through a cable. The temperature element 201 is arranged in the pipeline 101. The temperature element 201 sends the temperature signal to the signal acquisition module 202 through a cable. The signal acquisition module 202 and the monitoring system 301 transmit wireless signals. The monitoring system 301 calculates the heat data of the heating system through a set program, thereby monitoring the heat data in real time.

[0048] Example 3

[0049] Reference Figure 1 to Figure 3 , which is the third embodiment of the present invention, is different from the second embodiment in that: it also includes: the connecting member 102 includes a clamping shell 102a and a baffle 102b, the clamping shell 102a is movably connected to the pipeline 101, and the baffle 102b is arranged between the symmetrically arranged clamping shells 102a.

[0050] Furthermore, the baffle 102b includes a hole 102b-1, which is circular and disposed on the baffle 102b. The diameter of the hole 102b-1 is R, and the area of ​​the hole 102b-1 can be measured by the diameter R.

[0051] Preferably, one end of the sampling tube 103 extends through the interior of the pipeline 101, and the other end of the sampling tube 103 is connected to the differential pressure transmitter 104. At least two sampling tubes 103 are provided and are arranged on both sides of the symmetrically arranged clamping shell 102a.

[0052] Preferably, the differential pressure transmitter 104 includes a display component 104a, a first interface 104b and a second interface 104c, the first interface 104b and the second interface 104c are respectively connected to the sampling tube 103, the display component 104a is arranged on one side of the first interface 104b, that is, the first interface 104b of the differential pressure transmitter 104 is arranged on one side of the clamping shell 102a, the second interface 104c of the differential pressure transmitter 104 is arranged on the other side of the clamping shell 102a, and the baffle 102b is arranged in the middle of the clamping shell 102a. The differential pressure transmitter 104 is the existing technology, and the differential pressure transmitter outputs a 4-20mA differential pressure signal.

[0053] Furthermore, the differential pressure transmitter 104 is electrically connected to the signal acquisition module 202 via a data cable, and the differential pressure transmitter 104 transmits the differential pressure information to the signal acquisition module 202 .

[0054] Preferably, the temperature element 201 is disposed on the inner wall of the pipe 101, and the temperature element 201 is installed in the supply and return pipes 101 respectively, so as to measure the supply water temperature T g and return water temperature T h .

[0055] Furthermore, the temperature element 201 is electrically connected to the signal acquisition module 202 via a data cable, and the temperature element 201 measures the water supply temperature T g and return water temperature T h The information is transmitted to the signal acquisition module 202 .

[0056] Furthermore, the signal acquisition module 202 is electrically connected to the monitoring system 301 via wireless signals, and the signal acquisition module 202 converts all signals into RS485 serial port signal outputs. The monitoring system 301 transmits information via the signal acquisition module 202 to calculate real-time heat data of the water supply system.

[0057] When in use, the first interface 104b of the differential pressure transmitter 104 is arranged on one side of the clamping housing 102a, the second interface 104c of the differential pressure transmitter 104 is arranged on the other side of the clamping housing 102a, the baffle 102b is arranged in the middle of the clamping housing 102a, the channel 102b-1 is circular, the channel 102b-1 is arranged on the baffle 102b, the diameter of the channel 102b-1 is R, and the area of ​​the channel 102b-1 can be measured by the diameter R. The differential pressure transmitter 104 transmits the differential pressure information to the signal acquisition module 202, and the temperature element 201 transmits the water supply temperature T g and return water temperature T h The information is transmitted to the signal acquisition module 202, and the signal acquisition module 202 converts all signals into RS485 serial port signals and outputs them to the monitoring system 301. The monitoring system 301 transmits information through the signal acquisition module 202 to calculate the real-time heat data of the water supply system, thereby realizing accurate measurement, monitoring and analysis of heat, flow, temperature and other data.

[0058] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangement, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0059] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0060] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0061] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A heat calculation method based on wireless communication technology, characterized in that: include: Obtain the hole diameter data on the baffle; Calculate the flow value based on the hole diameter data and the static pressure difference before and after the baffle; Based on the flow value, the heat data of the heating system is calculated through the temperature of the supply and return pipes. Among them, A2 is the pore area, R is the pore diameter, and the pore area A2 is proportional to the square of the pore diameter R. Among them, G is the flow rate, C d is the outflow coefficient, A2 is the baffle pore area, ΔP is the pressure difference on both sides of the baffle, ρ is the fluid density, β is the ratio of the orifice opening diameter to the pipe diameter, Q=G·C·(T g -T h ) Where Q is heat (unit: joule or kilowatt-hour), G is flow rate (unit: cubic meter / hour or ton / hour), C is specific heat capacity (unit: joule / kg·degree Celsius or kcal / kg·degree Celsius), T g is the water supply temperature (unit: Celsius), T h is the return water temperature (unit: Celsius).

2. A system using the heat calculation method based on wireless communication technology as claimed in claim 1, characterized in that: include A flow unit (100), the flow unit (100) comprising a pipeline (101), a connecting piece (102), a sampling tube (103) and a differential pressure transmitter (104), the connecting piece (102) being arranged on the pipeline (101), the sampling tube (103) being arranged on both sides of the connecting piece (102), and the sampling tube (103) being movably connected to the differential pressure transmitter (104); A temperature measuring unit (200), the temperature measuring unit (200) comprising a temperature element (201) and a signal acquisition module (202), the temperature element (201) being arranged in the pipeline (101), and the temperature element (201) being electrically connected to the signal acquisition module (202); A temperature measuring unit (300), the temperature measuring unit (300) comprising a monitoring system (301), the signal acquisition module (202) and the monitoring system (301) transmitting signals via wireless signals.

3. The system for calculating heat based on wireless communication technology as claimed in claim 2, characterized in that: The connecting member (102) comprises a clamping shell (102a) and a baffle (102b); the clamping shell (102a) is movably connected to the pipeline (101); and the baffle (102b) is arranged between the symmetrically arranged clamping shells (102a).

4. The system for calculating heat based on wireless communication technology as claimed in claim 3, characterized in that: The baffle (102b) comprises a hole (102b-1), the hole (102b-1) is arranged on the baffle (102b), and the diameter of the hole (102b-1) is R.

5. The system for calculating heat based on wireless communication technology as claimed in claim 4, characterized in that: One end of the sampling tube (103) passes through the pipeline (101), and the other end of the sampling tube (103) is connected to the differential pressure transmitter (104). At least two sampling tubes (103) are provided and are arranged on both sides of the symmetrically arranged clamping shell (102a).

6. The system for calculating heat based on wireless communication technology according to claim 2 or 5, characterized in that: The differential pressure transmitter (104) comprises a display component (104a), a first interface (104b) and a second interface (104c); the first interface (104b) and the second interface (104c) are respectively connected to a sampling tube (103); and the display component (104a) is arranged on one side of the first interface (104b).

7. The system for calculating heat based on wireless communication technology as claimed in claim 6, characterized in that: The differential pressure transmitter (104) is electrically connected to the signal acquisition module (202) via a data cable.

8. The system for calculating heat based on wireless communication technology as claimed in claim 2, characterized in that: The temperature element (201) is arranged on the inner wall of the pipe (101), and the temperature element (201) is installed in the water supply pipe and the water return pipe (101) respectively.

9. The system for calculating heat based on wireless communication technology as claimed in claim 8, characterized in that: The temperature element (201) is electrically connected to the signal acquisition module (202) via a data cable.

10. The system for calculating heat based on wireless communication technology as claimed in claim 9, characterized in that: The signal acquisition module (202) is electrically connected to the monitoring system (301) via a wireless signal.

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