CN207649795U - A kind of thermal metering meter signal acquisition device - Google Patents
A kind of thermal metering meter signal acquisition device Download PDFInfo
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- CN207649795U CN207649795U CN201820017577.7U CN201820017577U CN207649795U CN 207649795 U CN207649795 U CN 207649795U CN 201820017577 U CN201820017577 U CN 201820017577U CN 207649795 U CN207649795 U CN 207649795U
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- module
- temperature
- acquisition device
- signal acquisition
- hall sensor
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Abstract
A kind of thermal metering meter signal acquisition device, it is related to heat energy measurer signal collecting device field, and in particular to a kind of thermal metering meter signal acquisition device.Power module is connected to temperature collecting module, flow collection module and Hall sensor module, temperature collecting module is connected to measure chip, it measures chip and is connected to microcontroller, microcontroller is connected to display screen, 485 communication interfaces of RS and jtag interface, flow collection module is connected to measure chip by USB, Hall sensor module is connected to microcontroller by USB, and each module is circuit connection and is all disposed on gauge table and pipe fitting.After adopting the above technical scheme, the utility model has the beneficial effect that：Circuit system is simple in structure, power consumption is relatively low, dependable performance is stablized, and signal transmission more stablizes and quickly, equipment is more easy, which can meet the measuring requirement of Central Heating Providing thermal energy.
Description
Technical field
The utility model is related to heat energy measurer signal collecting device fields, are adopted more particularly to a kind of heat energy measurer signal
Acquisition means.
Background technology
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 one after another to European Countries the 1970s, some relevant energy-saving equipments
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 is mechanical, occurs electronics heat energy meter after the seventies, and electronics heat energy meter is undergone
Analog integration formula, electronic digit integration type arrive intellectual evolution.Until the last century nineties, 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 begin to the research work of spontaneous progress residents heat energy meter
Make.Until 1997, after European heat energy meter standard EN-1434 publications, 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.Existing circuit system is complicated, power consumption is higher, the unreliable stabilization of performance, and signal transmission is unstable, Wu Faman
The measuring requirement of sufficient Central Heating Providing thermal energy.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, a kind of heat energy measurer signal is provided and is adopted
Acquisition means, its system measure chip as core design heat energy measurer, circuit system using MSP430 microcontrollers and TDC-GP21
It is simple in structure, power consumption is relatively low, dependable performance stablize, signal transmission more stablize and also quickly, equipment is more easy, this is
System can meet the measuring requirement of Central Heating Providing thermal energy.
To achieve the above object, the utility model is using following technical scheme：It includes power module 1, temperature acquisition
Module 2, flow collection module 3, Hall sensor module 4, processing module 5, interface module 6, the processing module 5 is by MSP430
Microcontroller 51, TDC-GP21 measure chip 52 and Nokia5110 display screens 53 form, and interface module 6 is by RS-485 communication interfaces
61 and jtag interface 62 form, the power module 1 is connected to temperature collecting module 2, flow collection module 3 and Hall inductor
Module 4, the temperature collecting module 2 are connected to TDC-GP21 and measure chip 52, and TDC-GP21 measures chip 52 and is connected to
MSP430 microcontrollers 51, MSP430 microcontrollers 51 are connected to Nokia5110 display screens 53, RS-485 communication interfaces 61 and JTAG and connect
Mouth 62, the flow collection module 3 are connected to TDC-GP21 by USB7 and measure chip 52, and Hall sensor module 4 passes through
USB7 is connected to MSP430 microcontrollers 51, and each module is circuit connection and is all disposed on gauge table 8 and pipe fitting 9.
The USB jack 71 of the USB7 is arranged in the lower section of gauge table 8, and USB plug 72 is arranged above pipe fitting 9.Using
USB transmission signal speed faster, is more stablized.
The temperature collecting module 2 has two groups to be separately positioned on inhalant region and backwater zone, it includes temperature-sensitive plug 21, temperature-sensitive
The top of inhalant region and exhalant region in tube body 9 is arranged in socket 22 and temperature sensor 23, temperature-sensitive socket 22, and temperature-sensitive socket 22 connects
Then temperature sensor 23 is arranged in the both sides of gauge table 8.Collected temperature is uploaded into TDC- by temperature sensor 23
GP21 is measured to be handled on chip 52, and the temperature coefficient after processing is finally uploaded to MSP430 monolithics by SPI modes
On machine 51, our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screens 53.
The flow collection module 3 is divided for receiving module 31 and sending module 32, and receiving module 31 and sending module 32 are set
It sets at the middle part of tube body 9, respectively connected a USB plug 72.Using TDC-GP21 come control ultrasonic wave module work and
Stop, while recording the time that ultrasonic measurement obtains, system is passed using transit time ultrasonic flow meters principle to calculate fair current
The time difference broadcast and countercurrently propagated can calculate water body shunting speed by the time difference, flow is calculated according to the size of water pipe diameter
How much.
The Hall sensor module 4 includes copper valve body 41, water flow rotor component 42 and Hall sensor 43, copper valve body 41
It is arranged below tube body inhalant region, water flow rotor component 42 is arranged inside 9 inhalant region of tube body, during Hall sensor 43 is connected to
Between USB plug 72.The setting of Hall sensor module 4 is used to detect flow of inlet water in inhalant region, when water passes through water flow rotor group
When part 42, magnet rotor rotates and rotating speed changes with the variation of flow velocity, while Hall sensor 43 exports corresponding arteries and veins
It rushes signal and feeds back to MSP430 microcontrollers 51, the size of water flow is judged by MSP430 microcontrollers 51 to be regulated and controled.
The RS-485 communication interfaces 61 use half duplex communication mode.RS-485 communication interfaces 61 need two communications
Bus can be realized to be carried out data transmission between two or more equipment, and this greatly reduces occupy monolithic
The time of the ports machine I/O, the half duplex communication mode that RS-485 communication interfaces 61 use, namely in a moment, an equipment
It can only be sent or be received data.By RS-485 serial bus communication modes, we can be by MSP430 microcontrollers 51
And the data after processing are transmitted out by RS-485 communication lines, both can handle data by MSP430 in this way,
Data can be handled by transferring data to computer either other microcontroller processing platforms.
8 surface of the gauge table is provided with switch 81 and battery 82.Switch 81 controls the start and stop of measuring device.
The operation principle of the utility model：Collected temperature TDC-GP21 is uploaded to by temperature sensor 23 to measure
It is handled on chip 52, is finally uploaded to the temperature coefficient after processing on MSP430 microcontrollers 51 by SPI modes, it will
Our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screens 53.Come using TDC-GP21
The work and stopping of ultrasonic wave module are controlled, while recording the time that ultrasonic measurement obtains, system uses time difference method ultrasonic wave
Flowmeter principle can calculate water body shunting speed come the time difference for calculating downstream propagation and countercurrently propagating by the time difference, according to
How much the size of water pipe diameter calculates flow.The setting of Hall sensor module 4 is used to detect flow of inlet water in inhalant region, when water is logical
When crossing water flow rotor component 42, magnet rotor rotates and rotating speed changes with the variation of flow velocity, while Hall sensor 43
It exports corresponding pulse signal and feeds back to MSP430 microcontrollers 51, the size of water flow is judged by MSP430 microcontrollers 51 to carry out
Regulation and control.
After adopting the above technical scheme, the utility model has the beneficial effect that：Its system is with MSP430 microcontrollers and TDC-
It is core design heat energy measurer that GP21, which measures chip, and circuit system is simple in structure, power consumption is relatively low, dependable performance is stablized, signal
Transmission is more stablized and quickly, equipment is more easy, which can meet the measuring requirement of Central Heating Providing thermal energy.
Description of the drawings
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, other drawings may also be obtained based on these drawings.
Fig. 1 is the utility model modular structure schematic diagram；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the sectional view of Fig. 1 tube bodies 9.
Reference sign：Power module 1, temperature collecting module 2, flow collection module 3, Hall sensor module 4, place
It manages module 5, interface module 6, USB7, gauge table 8, pipe fitting 9, temperature-sensitive plug 21, temperature-sensitive socket 22, temperature sensor 23, receive
Module 31, sending module 32, copper valve body 41, water flow rotor component 42, Hall sensor 43, MSP430 microcontrollers 51, TDC-
GP21 measures chip 52, Nokia5110 display screens 53, RS-485 communication interfaces 61, jtag interface 62, USB jack 71, USB and inserts
First 72, switch 81, battery 82.
Specific implementation mode
Shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that：It includes that power module 1, temperature are adopted
Collect module 2, flow collection module 3, Hall sensor module 4, processing module 5, interface module 6, the processing module 5 by
MSP430 microcontrollers 51, TDC-GP21 measure chip 52 and Nokia5110 display screens 53 form, and interface module 6 is led to by RS-485
Communication interface 61 and jtag interface 62 form, and the power module 1 is connected to temperature collecting module 2, flow collection module 3 and Hall
Sensor module 4, the temperature collecting module 2 are connected to TDC-GP21 and measure chip 52, and TDC-GP21 measures chip 52 and connects
MSP430 microcontrollers 51, MSP430 microcontrollers 51 are connected to Nokia5110 display screens 53, RS-485 communication interfaces 61 and JTAG
Interface 62, the flow collection module 3 are connected to TDC-GP21 by USB7 and measure chip 52, and Hall sensor module 4 passes through
USB7 is connected to MSP430 microcontrollers 51, and each module is circuit connection and is all disposed on gauge table 8 and pipe fitting 9.
The USB jack 71 of the USB7 is arranged in the lower section of gauge table 8, and USB plug 72 is arranged above pipe fitting 9.Using
USB transmission signal speed faster, is more stablized.
The temperature collecting module 2 has two groups to be separately positioned on inhalant region and backwater zone, it includes temperature-sensitive plug 21, temperature-sensitive
The top of inhalant region and exhalant region in tube body 9 is arranged in socket 22 and temperature sensor 23, temperature-sensitive socket 22, and temperature-sensitive socket 22 connects
Then temperature sensor 23 is arranged in the both sides of gauge table 8.Collected temperature is uploaded into TDC- by temperature sensor 23
GP21 is measured to be handled on chip 52, and the temperature coefficient after processing is finally uploaded to MSP430 monolithics by SPI modes
On machine 51, our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screens 53.
The flow collection module 3 is divided for receiving module 31 and sending module 32, and receiving module 31 and sending module 32 are set
It sets at the middle part of tube body 9, respectively connected a USB plug 72.Using TDC-GP21 come control ultrasonic wave module work and
Stop, while recording the time that ultrasonic measurement obtains, system is passed using transit time ultrasonic flow meters principle to calculate fair current
The time difference broadcast and countercurrently propagated can calculate water body shunting speed by the time difference, flow is calculated according to the size of water pipe diameter
How much.
The Hall sensor module 4 includes copper valve body 41, water flow rotor component 42 and Hall sensor 43, copper valve body 41
It is arranged below tube body inhalant region, water flow rotor component 42 is arranged inside 9 inhalant region of tube body, during Hall sensor 43 is connected to
Between USB plug 72.The setting of Hall sensor module 4 is used to detect flow of inlet water in inhalant region, when water passes through water flow rotor group
When part 42, magnet rotor rotates and rotating speed changes with the variation of flow velocity, while Hall sensor 43 exports corresponding arteries and veins
It rushes signal and feeds back to MSP430 microcontrollers 51, the size of water flow is judged by MSP430 microcontrollers 51 to be regulated and controled.
The RS-485 communication interfaces 61 use half duplex communication mode.RS-485 communication interfaces 61 need two communications
Bus can be realized to be carried out data transmission between two or more equipment, and this greatly reduces occupy monolithic
The time of the ports machine I/O, the half duplex communication mode that RS-485 communication interfaces 61 use, namely in a moment, an equipment
It can only be sent or be received data.By RS-485 serial bus communication modes, we can be by MSP430 microcontrollers 51
And the data after processing are transmitted out by RS-485 communication lines, both can handle data by MSP430 in this way,
Data can be handled by transferring data to computer either other microcontroller processing platforms.
8 surface of the gauge table is provided with switch 81 and battery 81.Switch 81 controls the start and stop of measuring device.
The operation principle of the utility model：Collected temperature TDC-GP21 is uploaded to by temperature sensor 23 to measure
It is handled on chip 52, is finally uploaded to the temperature coefficient after processing on MSP430 microcontrollers 51 by SPI modes, it will
Our collected hot water temperatures and cold water temperature are respectively displayed on above Nokia5110 display screens 53.Come using TDC-GP21
The work and stopping of ultrasonic wave module are controlled, while recording the time that ultrasonic measurement obtains, system uses time difference method ultrasonic wave
Flowmeter principle can calculate water body shunting speed come the time difference for calculating downstream propagation and countercurrently propagating by the time difference, according to
How much the size of water pipe diameter calculates flow.The setting of Hall sensor module 4 is used to detect flow of inlet water in inhalant region, when water is logical
When crossing water flow rotor component 42, magnet rotor rotates and rotating speed changes with the variation of flow velocity, while Hall sensor 43
It exports corresponding pulse signal and feeds back to MSP430 microcontrollers 51, the size of water flow is judged by MSP430 microcontrollers 51 to carry out
Regulation and control.
After adopting the above technical scheme, the utility model has the beneficial effect that：Its system is with MSP430 microcontrollers and TDC-
It is core design heat energy measurer that GP21, which measures chip, and circuit system is simple in structure, power consumption is relatively low, dependable performance is stablized, signal
Transmission is more stablized and quickly, equipment is more easy, which can meet 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 right of the utility model.
Claims (7)
1. a kind of thermal metering meter signal acquisition device, it is characterised in that：It includes power module (1), temperature collecting module
(2), flow collection module (3), Hall sensor module (4), processing module (5), interface module (6), the processing module (5)
Chip (52) is measured by MSP430 microcontrollers (51), TDC-GP21 and Nokia5110 display screens (53) form, interface module (6)
Be made of RS-485 communication interfaces (61) and jtag interface (62), the power module (1) be connected to temperature collecting module (2),
Flow collection module (3) and Hall sensor module (4), the temperature collecting module (2) are connected to TDC-GP21 and measure chip
(52), TDC-GP21 measures chip (52) and is connected to MSP430 microcontrollers (51), and MSP430 microcontrollers (51) are connected to
Nokia5110 display screens (53), RS-485 communication interfaces (61) and jtag interface (62), the flow collection module (3) pass through
USB (7) is connected to TDC-GP21 and measures chip (52), and Hall sensor module (4) is connected to MSP430 monolithics by USB (7)
Machine 51, each module are circuit connections and are all disposed on gauge table (8) and pipe fitting (9).
2. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The USB (7)
USB jack (71) setting is in the lower section of gauge table (8), and USB plug (72) setting is above pipe fitting (9).
3. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The temperature acquisition mould
Block (2) has two groups to be separately positioned on inhalant region and backwater zone, it includes temperature-sensitive plug (21), temperature-sensitive socket (22) and temperature sensing
Device (23), temperature-sensitive socket (22) are arranged in the top of the inhalant region and exhalant region of pipe fitting (9), and temperature-sensitive socket (22) is connected to temperature
Sensor (23) is arranged in the both sides of gauge table (8).
4. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The flow collection mould
Block (3) is divided into receiving module (31) and sending module (32), and receiving module (31) and sending module (32) are arranged in pipe fitting (9)
Middle part respectively connected a USB plug (72).
5. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The Hall inductor
Module (4) includes copper valve body (41), water flow rotor component (42) and Hall sensor (43), copper valve body (41) setting pipe fitting into
Below pool, water flow rotor component (42) is arranged inside pipe fitting (9) inhalant region, and Hall sensor (43) is connected to intermediate
USB plug (72).
6. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The RS-485 communications
Interface (61) uses half duplex communication mode.
7. a kind of thermal metering meter signal acquisition device according to claim 1, it is characterised in that：The gauge table (8)
Surface is provided with switch (81) and battery (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820017577.7U CN207649795U (en) | 2018-01-05 | 2018-01-05 | A kind of thermal metering meter signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820017577.7U CN207649795U (en) | 2018-01-05 | 2018-01-05 | A kind of thermal metering meter signal acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649795U true CN207649795U (en) | 2018-07-24 |
Family
ID=62877291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820017577.7U Expired - Fee Related CN207649795U (en) | 2018-01-05 | 2018-01-05 | A kind of thermal metering meter signal acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649795U (en) |
-
2018
- 2018-01-05 CN CN201820017577.7U patent/CN207649795U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20190105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |