CN208721280U - A kind of solar powered wireless HART temperature transmitter - Google Patents
A kind of solar powered wireless HART temperature transmitter Download PDFInfo
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- CN208721280U CN208721280U CN201820856735.8U CN201820856735U CN208721280U CN 208721280 U CN208721280 U CN 208721280U CN 201820856735 U CN201820856735 U CN 201820856735U CN 208721280 U CN208721280 U CN 208721280U
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- wireless hart
- lithium battery
- temperature signal
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Abstract
The utility model discloses a kind of solar powered wireless HART temperature transmitters, including temperature sensor, it is provided with the shell and processes temperature signal circuit of display window, temperature sensor and processes temperature signal circuit connection, processes temperature signal circuit is connect with display window, feature be further include solar panel, charge control module, lithium battery, low-power dissipation power supply management module and wireless HART communication module, solar panel passes through angular adjustment attachment device and cage connection, charge control module is arranged between solar panel and lithium battery, the feeder ear of lithium battery is connect with the input terminal of low-power dissipation power supply management module, the output end and processes temperature signal circuit connection of low-power dissipation power supply management module, processes temperature signal circuit mutually transmits signal by wireless HART communication module and host computer；Advantage be it is easy for installation, be able to maintain and work long hours and photoelectric conversion efficiency is higher.
Description
Technical field
The utility model relates to a kind of temperature transmitter, especially a kind of solar powered wireless HART temperature pick-up
Device.
Background technique
In industrial application, thermal resistance, thermocouple, ohm, millivolt signal are converted to 4~20mA DC by temperature transmitter
Standard signal passes to control system by signal cable, and HART digital signal is often superimposed on 4~20mA DC standard signal,
Maintenance and management for temperature transmitter.
Need to lay special signal cable using the temperature transmitter of 24V direct current supply, some special occasions (such as
Large-scale circulating water device, tank field etc.), laying signal cable is relatively difficult, costly；Currently based on the temperature of wireless HART protocol
Transmitter has put into industrial application, and the higher approval of user has especially been obtained on the devices such as tank field, recirculated water.
It generallys use battery currently based on the temperature transmitter of wireless HART directly to power, based entirely on battery powered temperature
For degree transmitter all in the presence of periodic replacement battery is needed, waste battery is unfavorable for the problem of environmental protection, general to be reached by reducing measurement frequency
To the purpose for extending battery working time, however reducing measurement frequency can make the real-time of measurement be deteriorated.
Summary of the invention
The technical problem to be solved by the utility model is to provide it is a kind of it is easy for installation, be able to maintain and work long hours and light
The higher solar powered wireless HART temperature transmitter of photoelectric transformation efficiency, whole power consumption are lower.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of solar powered wireless HART
Temperature transmitter including temperature sensor, is provided at the shell of display window and the temperature signal being arranged in the shell
Manage circuit, the temperature sensor and the processes temperature signal circuit connection, the processes temperature signal circuit with
The described display window connection, further include solar panel, charge control module, lithium battery, low-power dissipation power supply management module and
Wireless HART communication module, the solar panel are described by angular adjustment attachment device and the cage connection
Charge control module be arranged between the solar panel and the lithium battery, the solar panel is used
In providing charge power supply to the charge control module, the charge control module is used to control filling for the lithium battery
Electricity condition, the feeder ear of the lithium battery are connect with the input terminal of the low-power dissipation power supply management module, the low function
The output end and the processes temperature signal circuit connection, the processes temperature signal circuit for consuming power management module pass through
The wireless HART communication module and host computer mutually transmits signal.
The processes temperature signal circuit includes temperature signal regulation module, data processing centre, button display mould
Block and serial communication module, the data processing centre are aobvious with the temperature signal regulation module, the button respectively
Show device module, the serial communication module and the low-power dissipation power supply management module connection, the data processing centre
Signal is mutually transmitted by the wireless HART communication module and host computer, the temperature sensor and the temperature are believed
The connection of number conditioning module, the output end of the low-power dissipation power supply management module respectively with the temperature signal regulation module,
Button display apparatus module, the wireless HART communication module and the serial communication module connection.
The angular adjustment attachment device includes rigid connecting rod and universal joint, one end of the rigid connecting rod with
The shell is fixedly connected, and the other end of the rigid connecting rod passes through the universal joint and the solar battery
Plate connection.Sunlight can be adjusted as desired by universal joint to the incidence angle of solar panel, to improve photoelectric conversion
Efficiency, solar panel can be set as needed in the top or side of shell.
The lower part of the shell is provided with the first hickey, and the side of the shell is provided with the second screw thread and connects
Mouthful.Be arranged the first hickey and the second hickey can connect as needed with temperature sensor and protection sleeve pipe or with it is external
Cable connection increases the convenience of device installation.
The charge control module is used for output voltage and the lithium battery according to the solar panel
The electricity control lithium battery charged state.
The charged state of the lithium battery includes trickle charge state, constant-current charge state and constant-voltage charge state, institute
The setting value stated is 4.2V.Different charge modes is used according to the electricity of the output voltage of solar panel and lithium battery,
Charge efficiency can be effectively improved, when lithium battery voltage reaches 4.2V, stops charging, prevents from overcharging and lithium battery is caused
Injury.
The lithium battery include battery and protection circuit, the protection circuit include respectively with the battery
Overvoltage crowbar, low-voltage protection circuit, thermal-shutdown circuit and the overload protecting circuit of connection.Lithium battery is effectively protected
Shield increases lithium battery service life.
The low-power dissipation power supply management module is provided with battery low-voltage alarm module.
Compared with prior art, the utility model has the advantage of use solar panels and lithium battery to temperature signal
Processing circuit provides electric energy, installs and easy to maintain, is able to maintain and works long hours, and the real-time measured is preferable；Pass through
Charge control module controls the charged state of lithium battery, can rationally be filled with different charged states to lithium battery as needed
Electricity, thus effective protection lithium battery；Shell is connect by angular adjustment attachment device with solar panel, can be as needed
Sunlight is adjusted to the incidence angle of solar panel, substantially increases solar panel photoelectric conversion efficiency, and will not shadow
Ring the observation to data are shown on display window；Power supply of the low-power dissipation power supply management module to each module in processes temperature signal circuit
It is managed, the module for not needing electricity consumption temporarily can be closed in time, reduce whole power consumption；Mould is communicated using wireless HART
Block and host computer mutually transmit signal, and operator can observe real time data and be sent control signals on external host computer
Processes temperature signal circuit, and installation cost can be effectively reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic block circuit diagram of the utility model；
Fig. 3 is the structural block diagram of lithium battery in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment one: a kind of solar powered wireless HART temperature transmitter, including temperature sensor 1, be provided with it is aobvious
The shell 2 for showing window 21, the processes temperature signal circuit being arranged in shell 2, solar panel 3, charge control module 4, lithium
Battery 5, low-power dissipation power supply management module 61 and wireless HART communication module 62, temperature sensor 1 and processes temperature signal circuit
Connection, solar panel 3 are connect by angular adjustment attachment device with shell 2, and angular adjustment attachment device includes that rigidity connects
One end of extension bar 71 and universal joint 72, rigid connecting rod 71 is fixedly connected with shell 2, and the other end of rigid connecting rod 71 passes through ten thousand
It is connect to section 72 with solar panel 3, charge control module 4 is arranged between solar panel 3 and lithium battery 5, the sun
Energy solar panel 3 is used to provide charge control module 4 charge power supply, and charge control module 4 is used for according to solar panel 3
The electricity of output voltage and lithium battery 5 controls the charged state of lithium battery 5, the feeder ear of lithium battery 5 and low-power dissipation power supply management
The input terminal of module 61 connects, and processes temperature signal circuit is believed by wireless HART communication module 62 and the mutually transmission of host computer 67
Number, processes temperature signal circuit includes temperature signal regulation module 63, data processing centre 64, button display apparatus module 65 and string
Mouthful communication module 66, data processing centre 64 respectively with temperature signal regulation module 63, button display apparatus module 65, serial communication
Module 66 and low-power dissipation power supply management module 61 connect, and data processing centre 64 passes through wireless HART communication module 62 and host computer
67 mutually transmission signal, temperature sensors 1 are connect with temperature signal regulation module 63, the output of low-power dissipation power supply management module 61
End respectively with temperature signal regulation module 63, button display apparatus module 65, wireless HART communication module 62 and serial communication module
66 connections, button display apparatus module 65 are connect with display window 21.
Embodiment two: rest part is the same as example 1, the difference is that the lower part of shell 2 is provided with the first spiral shell
Line interface 22, the side of shell 2 are provided with the second hickey 23, and low-power dissipation power supply management module 61 is provided with cell voltage report
Alert module 68.
Embodiment three: rest part is the same as example 1, the difference is that the charged state of lithium battery 5 includes tiny stream
Current charge state, constant-current charge state and constant-voltage charge state, setting value 4.2V, lithium battery 5 include battery 51 and protection
Circuit, protection circuit include overvoltage crowbar 52, low-voltage protection circuit 53, the overheat protector electricity connecting respectively with battery 51
Road 54 and overload protecting circuit 55.
Claims (8)
1. a kind of solar powered wireless HART temperature transmitter, including temperature sensor, be provided with display window shell and
Processes temperature signal circuit in the shell, the temperature sensor and the processes temperature signal circuit are set
Connection, the processes temperature signal circuit are connect with the display window, it is characterised in that are further included solar panel, filled
Electric control module, lithium battery, low-power dissipation power supply management module and wireless HART communication module, the solar panel pass through
Angular adjustment attachment device and the cage connection, the charge control module be arranged in the solar panel with
Between the lithium battery, the solar panel is used to provide charge power supply to the charge control module, described
Charge control module be used to control the charged state of the lithium battery, the feeder ear of the lithium battery and the low function
The input terminal for consuming power management module connects, at the output end of the low-power dissipation power supply management module and the temperature signal
Circuit connection is managed, the processes temperature signal circuit mutually transmits letter by the wireless HART communication module and host computer
Number.
2. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
Processes temperature signal circuit includes temperature signal regulation module, data processing centre, button display apparatus module and serial communication mould
Block, the data processing centre respectively with the temperature signal regulation module, the button display apparatus module, described
Serial communication module and low-power dissipation power supply management module connection, the data processing centre pass through described wireless
HART communication module and host computer mutually transmit signal, and the temperature sensor and the temperature signal regulation module connect
It connects, the output end of the low-power dissipation power supply management module is aobvious with the temperature signal regulation module, the button respectively
Show device module, the wireless HART communication module and the serial communication module connection, the button display apparatus module
It is connect with the display window.
3. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
Angular adjustment attachment device includes rigid connecting rod and universal joint, and one end of the rigid connecting rod is fixed with the shell
The other end of connection, the rigid connecting rod is connect by the universal joint with the solar panel.
4. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
The lower part of shell is provided with the first hickey, and the side of the shell is provided with the second hickey.
5. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
Charge control module is used for according to the control of the electricity of the output voltage of the solar panel and the lithium battery
Lithium battery charged state.
6. the solar powered wireless HART temperature transmitter of one kind according to claim 5, it is characterised in that described
The charged state of lithium battery includes trickle charge state, constant-current charge state and constant-voltage charge state, when lithium battery voltage reaches
Stop charging when 4.2V.
7. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
Lithium battery includes battery and protection circuit, and the protection circuit includes the overvoltage protection connecting respectively with the battery
Circuit, low-voltage protection circuit, thermal-shutdown circuit and overload protecting circuit.
8. the solar powered wireless HART temperature transmitter of one kind according to claim 1, it is characterised in that described
Low-power dissipation power supply management module is provided with battery alarm voltage module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856735.8U CN208721280U (en) | 2018-06-04 | 2018-06-04 | A kind of solar powered wireless HART temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856735.8U CN208721280U (en) | 2018-06-04 | 2018-06-04 | A kind of solar powered wireless HART temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208721280U true CN208721280U (en) | 2019-04-09 |
Family
ID=65971083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820856735.8U Active CN208721280U (en) | 2018-06-04 | 2018-06-04 | A kind of solar powered wireless HART temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721280U (en) |
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2018
- 2018-06-04 CN CN201820856735.8U patent/CN208721280U/en active Active
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