CN208333715U - A kind of ultrasonic heat energy gauge table - Google Patents

Abstract

A kind of ultrasonic heat energy gauge table, it is related to ultrasonic heat energy metering device field, and in particular to a kind of ultrasonic heat energy gauge table.It includes computation processor, shell, water inlet, water outlet, water temperature acquisition component, ultrasonic module, Hall inductor assembly, the computer processor is mainly made of MSP430 single-chip microcontroller, TDC-GP21 measurement chip, Nokia5110 display screen and RS-485 communication interface, computer processor is arranged on shell, ultrasonic module has four groups to be separately positioned at inlet and outlet, water temperature acquisition component has two groups to be separately positioned on inhalant region and backwater zone, and the water inlet end of shell is arranged in Hall inductor assembly.The utility model has the beneficial effect that circuit system structure is simple, power consumption is lower, reliable performance is stable, which is able to satisfy the measuring requirement of Central Heating Providing thermal energy.

Description

A kind of ultrasonic heat energy gauge table

Technical field

The utility model relates to ultrasonic heat energy metering device fields, and in particular to a kind of ultrasonic heat energy gauge table.

Background technique

The last century 40's, Dane Mei get Si have developed a kind of radiator constant temperature valve for heating system, should Thermostatic valve mainly by sensor come the size of control valve to adjust indoor temperature, to reach comfortable purpose, this is calculated On be heat energy meter blank.Carry out energy saving movement, some relevant energy-saving equipments one after another to European Countries the 1970s Also it is constantly developed.Heat energy meter is exactly to be suggested to grow up under this overall background.Germany starts heat within 1964 The development work of energy table.Initial heat energy meter be it is mechanical, occur electronics heat energy meter after the seventies, and electronics heat energy meter is undergone Analog integration formula, electronic digit integration type, to intellectual development process.Until the 1990s, family thermal energy Table finalizes the design almost, and design reaches unanimity.After decades of development, the development of external heat energy meter is fairly perfect.From thermal energy The development of table, the standard formulation of heat energy meter, to equipment calibration detection and it is last come into operation, external many national have Oneself a set of complete scheme.

China just begins to focus on the metering of heat supply, charging problem for 1989, and grinds heat energy meter special circuit in nineteen ninety Hair is included in State Commission for Restructuring the Economic Systems.Later, some medium-sized and small enterprises also start the research work of spontaneous progress residents heat energy meter Make.Until 1997, after European heat energy meter standard EN-1434 publication, China actually enters the development work of heat energy meter.Closely In the past few years, with the continuous expansion of area of heat-supply service, the management system and market economy operating mechanism charged by area are increasingly It is incompatible.Structure is complicated for existing circuit system, power consumption is higher, the unreliable stabilization of performance, is unable to satisfy Central Heating Providing thermal energy Measuring requirement.

Utility model content

The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of ultrasonic heat energy metering is provided Table, the system is using MSP430 single-chip microcontroller and TDC-GP21 measurement chip as core design heat energy measurer, circuit system structure letter List, power consumption is lower, reliable performance is stable, which is able to satisfy the measuring requirement of Central Heating Providing thermal energy.

To achieve the above object, the utility model is using following technical scheme: it include computation processor 1, shell 2, Water inlet 3, water outlet 4, water temperature acquisition component 5, ultrasonic module 6, Hall inductor assembly 7, the computation processor 1 are main It is made of MSP430 single-chip microcontroller 11, TDC-GP21 measurement chip 12, Nokia5110 display screen 13 and RS-485 communication interface 14, Computation processor 1 is arranged on shell 2, and ultrasonic module 6 has four groups to be separately positioned at water inlet 3 and water outlet 4, and water temperature is adopted Collection component 5 has two groups to be separately positioned on inhalant region 8 and backwater zone 9, and the water inlet end of shell 2 is arranged in Hall inductor assembly 7, meter It calculates and passes through circuit connection between processor 1, water temperature acquisition component 5, ultrasonic module 6 and Hall inductor assembly 7.

The Nokia5110 display screen 13 and RS-485 communication interface 14 is connected to MSP430 single-chip microcontroller 11, MSP430 Single-chip microcontroller 11 is connected to TDC-GP21 measurement chip 12, jtag interface 15, power supply 16 and switch 17.

The water temperature acquisition component 5 is made of temperature-sensitive plug 51, PT1000 temperature sensor 52, and temperature-sensitive plug 51 passes through Temperature-sensitive interface 53 is separately positioned on inhalant region 8 and backwater zone 9, and PT1000 temperature sensor 52 is connected to TDC-GP21 measurement core On piece 12.Collected temperature is uploaded on TDC-GP21 by PT1000 and is handled, finally by the temperature after processing Coefficient is uploaded on MSP430 single-chip microcontroller by SPI mode, our collected hot water temperatures and cold water temperature are shown respectively On Nokia5110 display screen.

The ultrasonic module 6 has receiving module 61 and sending module 62, and the setting of receiving module 61 is in water inlet 3, hair Module 62 is sent to be arranged in water outlet 4, sending module 62 is connected to 121 He of the port Fire-UP of TDC-GP21 measurement chip 12 Above the port Fire-Down 122, receiving module 61 is connected to the port STOP1 123 and the Stop2 of TDC-GP21 measurement chip 12 Above port 124.The work and stopping of ultrasonic wave module are controlled using TDC-GP21, while recording what ultrasonic measurement obtained Time, passes through the time at the time difference that system calculates downstream propagation using transit time ultrasonic flow meters principle and adverse current is propagated Difference can calculate water body and shunt speed, how much calculate flow according to the size of water pipe diameter.

The Hall inductor assembly 7 is made of copper valve body 71, water flow rotor component 72 and Hall sensor 73, copper valve Body 71 is arranged on the shell of the water inlet end of shell 2, and the inside of 2 water inlet end of shell is arranged in water flow rotor component 72, and Hall passes Sensor 73 is connected on MSP430 single-chip microcontroller 11.Hall sensor component 7 puts into water end (W.E.) for detecting flow of inlet water, when water passes through When water flow rotor component 72, magnet rotor is rotated and revolving speed changes with the variation of flow velocity, while Hall sensor 73 is defeated Corresponding pulse signal feeds back to MSP430 single-chip microcontroller 11 out, judges the size of water flow by MSP430 single-chip microcontroller 11 to be adjusted Control.

The RS-485 communication interface 14 uses half duplex communication mode.RS-485 only needs two communication buses can Carried out data transmission between two or more equipment with realizing, this greatly reduces occupy single-chip processor i/o end The time of mouth, the half duplex communication mode that RS-485 is used, namely a moment, an equipment can only be sent or be connect By data.By RS-485 serial bus communication mode, we can lead to the data after MSP430 single-chip microcontroller and processing It crosses RS-485 communication line to transmit out, both data can be handled by MSP430 in this way, it can also be by transferring data to Computer either other single-chip microcontroller processing platforms handle data.

Working principle of the utility model is: being individually positioned in the water inlet of water pipe using two PT1000 temperature collecting modules Area and backwater zone, for measuring the temperature of water, two PT1000 are connected on TDC-GP21 measurement chip, will be adopted by PT1000 The temperature collected is uploaded on TDC-GP21 and is handled, and finally uploads to the temperature coefficient after processing by SPI mode On MSP430 single-chip microcontroller, our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screen. 4 groups of ultrasonic wave modules are connect on TDC-GP21, this 4 groups of ultrasonic wave modules are divided into 2 groups of receiving modules, 2 groups of sending modules, difference It is mounted on above water inlet pipe and outlet pipe, the connection type that we use is that 2 groups of ultrasonic wave sending modules are all connected to TDC- Above the sending port Fire-UP and Fire-Down of GP21 chip, and other two groups of receiving modules are connected to above TDC-GP21 The port STOP1 and Stop2 above, the work and stopping of ultrasonic wave module are controlled using TDC-GP21, while recording ultrasound The time that wave measurement obtains, the time that system calculates downstream propagation using transit time ultrasonic flow meters principle and adverse current is propagated Difference, can calculate water body by the time difference and shunt speed, how much calculate flow according to the size of water pipe diameter.Hall sensor is main By copper valve body, water flow rotor component and hall sensor component composition.Hall sensor is mounted in hot water port, i.e. water inlet end is used for Flow of inlet water is detected, when water passes through water flow rotor component, magnet rotor is rotated and revolving speed changes with the variation of flow velocity, The corresponding pulse signal of Hall sensor output simultaneously feeds back to MSP430 single-chip microcontroller, judges water flow by MSP430 single-chip microcontroller Size is regulated and controled.

After adopting the above technical scheme, the utility model has the beneficial effect that circuit system structure is simple, power consumption is lower, property Can be reliable and stable, which is able to satisfy the measuring requirement of Central Heating Providing thermal energy.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the sectional view of Fig. 1；

Fig. 3 is the circuit diagram of the utility model；

Fig. 4 is the structural schematic diagram of backwater zone 9 in the utility model.

Description of symbols: computation processor 1, shell 2, water inlet 3, water outlet 4, water temperature acquisition component 5, ultrasonic wave group Part 6, Hall inductor assembly 7, inhalant region 8 and backwater zone 9, MSP430 single-chip microcontroller 11, TDC-GP21 measurement chip 12, Nokia5110 display screen 13, RS-485 communication interface 14, jtag interface 15, power supply 16, switch 17, temperature-sensitive plug 51, PT1000 Temperature sensor 52, temperature-sensitive interface 53, receiving module 61 and sending module 62, the port Fire-UP 121, the port Fire-Down 122, the port STOP1 123, the port Stop2 124, copper valve body 71, water flow rotor component 72, Hall sensor 73.

Specific embodiment

Referring to shown in Fig. 1-Fig. 4, present embodiment the technical solution adopted is that: it includes computation processor 1, shell 2, water inlet 3, water outlet 4, water temperature acquisition component 5, ultrasonic module 6, Hall inductor assembly 7, the computation processor 1 are main It will be by MSP430 single-chip microcontroller 11, TDC-GP21 measurement chip 12, Nokia5110 display screen 13 and 14 groups of RS-485 communication interface At computation processor 1 is arranged on shell 2, and ultrasonic module 6 has four groups to be separately positioned at water inlet 3 and water outlet 4, water Warm acquisition component 5 has two groups to be separately positioned on inhalant region 8 and backwater zone 9, and the water inlet of shell 2 is arranged in Hall inductor assembly 7 End passes through circuit connection between computation processor 1, water temperature acquisition component 5, ultrasonic module 6 and Hall inductor assembly 7

The Nokia5110 display screen 13 and RS-485 communication interface 14 are connected to MSP430 single-chip microcontroller 11, and MSP430 is mono- Piece machine 11 is connected to TDC-GP21 measurement chip 12, jtag interface 15, power supply 16 and switch 17.

The water temperature acquisition component 5 is made of temperature-sensitive plug 51, PT1000 temperature sensor 52, and temperature-sensitive plug 51 passes through sense Warm interface 53 is separately positioned on inhalant region 8 and backwater zone 9, and PT1000 temperature sensor 52 is connected to TDC-GP21 measurement chip On 12.Collected temperature is uploaded on TDC-GP21 by PT1000 and is handled, finally by the temperature system after processing Number is uploaded on MSP430 single-chip microcontroller by SPI mode, our collected hot water temperatures and cold water temperature are respectively displayed on Above Nokia5110 display screen.

The ultrasonic module 6 has receiving module 61 and sending module 62, and the setting of receiving module 61 is sent in water inlet 3 Module 62 is arranged in water outlet 4, and sending module 62 is connected to the port Fire-UP 121 and the Fire- of TDC-GP21 measurement chip 12 Above the port Down 122, receiving module 61 is connected to the port STOP1 123 and the port Stop2 of TDC-GP21 measurement chip 12 Above 124.The work and stopping of ultrasonic wave module are controlled using TDC-GP21, at the same record that ultrasonic measurement obtains when Between, the time difference that system calculates downstream propagation using transit time ultrasonic flow meters principle and adverse current is propagated, pass through the time difference Water body can be calculated and shunt speed, how much flow is calculated according to the size of water pipe diameter.

The Hall inductor assembly 7 is made of copper valve body 71, water flow rotor component 72 and Hall sensor 73, copper valve body 71 are arranged on the shell of the water inlet end of shell 2, and the inside of 2 water inlet end of shell, hall sensing is arranged in water flow rotor component 72 Device 73 is connected on MSP430 single-chip microcontroller 11.Hall sensor component 7 puts into water end (W.E.) for detecting flow of inlet water, when water passes through water When circulation sub-component 72, magnet rotor is rotated and revolving speed changes with the variation of flow velocity, while Hall sensor 73 exports Corresponding pulse signal feeds back to MSP430 single-chip microcontroller 11, judges the size of water flow by MSP430 single-chip microcontroller 11 to be adjusted Control.

The RS-485 communication interface 14 uses half duplex communication mode.RS-485 only needs two communication buses can Carried out data transmission between two or more equipment with realizing, this greatly reduces occupy single-chip processor i/o end The time of mouth, the half duplex communication mode that RS-485 is used, namely a moment, an equipment can only be sent or be connect By data.By RS-485 serial bus communication mode, we can lead to the data after MSP430 single-chip microcontroller and processing It crosses RS-485 communication line to transmit out, both data can be handled by MSP430 in this way, it can also be by transferring data to Computer either other single-chip microcontroller processing platforms handle data.

Working principle of the utility model is: being individually positioned in the water inlet of water pipe using two PT1000 temperature collecting modules Area and backwater zone, for measuring the temperature of water, two PT1000 are connected on TDC-GP21 measurement chip, will be adopted by PT1000 The temperature collected is uploaded on TDC-GP21 and is handled, and finally uploads to the temperature coefficient after processing by SPI mode On MSP430 single-chip microcontroller, our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screen. 4 groups of ultrasonic wave modules are connect on TDC-GP21, this 4 groups of ultrasonic wave modules are divided into 2 groups of receiving modules, 2 groups of sending modules, difference It is mounted on above water inlet pipe and outlet pipe, the connection type that we use is that 2 groups of ultrasonic wave sending modules are all connected to TDC- Above the sending port Fire-UP and Fire-Down of GP21 chip, and other two groups of receiving modules are connected to above TDC-GP21 The port STOP1 and Stop2 above, the work and stopping of ultrasonic wave module are controlled using TDC-GP21, while recording ultrasound The time that wave measurement obtains, the time that system calculates downstream propagation using transit time ultrasonic flow meters principle and adverse current is propagated Difference, can calculate water body by the time difference and shunt speed, how much calculate flow according to the size of water pipe diameter.Hall sensor is main By copper valve body, water flow rotor component and hall sensor component composition.Hall sensor is mounted in hot water port, i.e. water inlet end is used for Flow of inlet water is detected, when water passes through water flow rotor component, magnet rotor is rotated and revolving speed changes with the variation of flow velocity, The corresponding pulse signal of Hall sensor output simultaneously feeds back to MSP430 single-chip microcontroller, judges water flow by MSP430 single-chip microcontroller Size is regulated and controled.

After adopting the above technical scheme, the utility model has the beneficial effect that circuit system structure is simple, power consumption is lower, property Can be reliable and stable, which is able to satisfy the measuring requirement of Central Heating Providing thermal energy.

The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of ultrasonic heat energy gauge table, it is characterised in that: it include computation processor (1), shell (2), water inlet (3), Water outlet (4), water temperature acquisition component (5), ultrasonic module (6), Hall inductor assembly (7), the computation processor (1) are main It will be by MSP430 single-chip microcontroller (11), TDC-GP21 measurement chip (12), Nokia5110 display screen (13) and RS-485 communication interface (14) it forms, computation processor (1) is arranged on shell (2), and ultrasonic module (6) has four groups to be separately positioned on water inlet (3) At water outlet (4), water temperature acquisition component (5) has two groups to be separately positioned on inhalant region (8) and backwater zone (9), Hall inductor The water inlet end in shell (2), computation processor (1), water temperature acquisition component (5), ultrasonic module (6) and suddenly is arranged in component (7) Ear inductor assembly passes through circuit connection between (7).

2. a kind of ultrasonic heat energy gauge table according to claim 1, it is characterised in that: the Nokia5110 is shown Screen (13) and RS-485 communication interface (14) are connected to MSP430 single-chip microcontroller (11), and MSP430 single-chip microcontroller (11) is connected to TDC- GP21 measures chip (12), jtag interface (15), power supply (16) and switch (17).

3. a kind of ultrasonic heat energy gauge table according to claim 1, it is characterised in that: the water temperature acquisition component (5) it is made of temperature-sensitive plug (51), PT1000 temperature sensor (52), temperature-sensitive plug (51) is set respectively by temperature-sensitive interface (53) It sets on inhalant region (8) and backwater zone (9), PT1000 temperature sensor (52) is connected in TDC-GP21 measurement chip (12).

4. a kind of ultrasonic heat energy gauge table according to claim 1, it is characterised in that: the ultrasonic module (6) There are receiving module (61) and sending module (62), receiving module (61) setting is going out in water inlet (3), sending module (62) setting The mouth of a river (4), sending module (62) are connected to the port Fire-UP (121) and the end Fire-Down of TDC-GP21 measurement chip (12) Above, receiving module (61) is connected to the port STOP1 (123) and the port Stop2 of TDC-GP21 measurement chip (12) to mouth (122) (124) above.

5. a kind of ultrasonic heat energy gauge table according to claim 1, it is characterised in that: the Hall inductor assembly (7) it is made of copper valve body (71), water flow rotor component (72) and Hall sensor (73), copper valve body (71) is arranged in shell (2) Water inlet end shell on, water flow rotor component (72) setting is in the inside of shell (2) water inlet end, Hall sensor (73) connection On MSP430 single-chip microcontroller (11).

6. a kind of ultrasonic heat energy gauge table according to claim 1, it is characterised in that: the RS-485 communication interface (14) half duplex communication mode is used.