CN207439464U - A kind of unattended, battery powered recording liquid level, temperature transmitter - Google Patents
A kind of unattended, battery powered recording liquid level, temperature transmitter Download PDFInfo
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- CN207439464U CN207439464U CN201721328230.6U CN201721328230U CN207439464U CN 207439464 U CN207439464 U CN 207439464U CN 201721328230 U CN201721328230 U CN 201721328230U CN 207439464 U CN207439464 U CN 207439464U
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Abstract
The utility model discloses a kind of unattended, battery powered recording liquid level, temperature transmitter, the water guide head being fixedly connected sequentially, pedestal, first shell, second shell and afterbody hook, the water-guiding hole that water guide head front end is provided with, pressure sensor is provided in pedestal, circuit module is provided in first shell, sensor is connected by order wire with circuit module, circuit module is fixedly connected with pedestal, circuit module is connected by order wire with communication interface, the battery for powering to circuit module is provided in second shell, acquisition time started and time interval can be flexibly set, automatic record level value and temperature value, low power dissipation design can extend battery.
Description
Technical field
The utility model belongs to transmitter technical field, and in particular to a kind of unattended, battery powered recording liquid
Position, temperature transmitter.
Background technology
Existing transmitter is generally the signal of output acquisition in real time, and cooperation rear end equipment realizes real-time data acquisition, manually
Record data or by equipment record data, it is necessary to matched power supply unit, signal receiving and processing device, power consumption
Greatly, operating cost is high.And at present in unattended occasion, and real-time returned data is not required, it is only necessary to certain interval of time
Know the data of measurement.So provide a kind of liquid level, temperature independently-powered, and can store, transfer the signal measured
It is very necessary to spend transmitter.
The content of the invention
To solve the above-mentioned problems, the utility model provides a kind of unattended, battery powered recording liquid level, temperature
Transmitter is spent, the setting of clock module enables transmitter flexibly to set acquisition time started and time interval, records liquid automatically
Place value and temperature value, low power dissipation design can extend battery.
In order to achieve the above objectives, one kind described in the utility model is unattended, battery powered recording liquid level, temperature become
Device is sent to include the water guide head being fixedly connected sequentially, pedestal, first shell, second shell and afterbody hook, water guide head front end to set
Some water-guiding holes are provided with pressure sensor in pedestal, circuit module are provided in first shell, pressure sensor passes through communication
The pressure sensor acquisition module of line and circuit module connects, and circuit module is fixedly connected with pedestal, and circuit module passes through communication
Line is connected with communication interface, and the battery for powering to circuit module is provided in second shell；
Circuit module include MCU control module, MCU control module by order wire respectively with clock module, pressure sensing
Device acquisition module, temperature sensor module, RS485 communication modules, parameter calibration memory module and acquired data storage module connect
It connects.
For timing, when reaching the time of setting, wake-up signal is provided for MCU control module for clock module；
MCU control module is used to coordinate the operation of each function module, and MCU control module is used to receive clock module transmission
The wake-up signal of wake-up signal or RS485 communication modules starts pressure after the wake-up signal of clock module transmission when received and passes
Sensor acquisition module, temperature sensor module, parameter calibration memory module and the work of acquired data storage module, work as modules
Collecting work or communication, storage work after the completion of send a signal to MCU control module, MCU control module sends control signal
Pressure sensor acquisition module, temperature sensor module, parameter calibration memory module and acquired data storage module is in sleep
Sleep mode, with the amount of saving energy；When receiving the wake-up signal of RS485 communication modules transmission, MCU reads gathered data record
The gathered data of module is transferred to external equipment by RS485 communication modules.
Pressure sensor acquisition module for gathering the level value in fluid to be measured, and the mV step voltages collected is believed
Number, the AD acquisition modules built in MCU control module are accessed, the real-time level value of fluid to be measured is provided for MCU control module；
Built-in temperature sensor module for carrying out the acquisition of fluid to be measured temperature, and the temperature signal collected is passed
MCU control modules are handed to, and the completed signal of temperature acquisition work is sent to MCU control module；
RS485 communication modules, for transferring wake-up signal and providing communication channel for MCU control module, being set with periphery
It is standby to communicate；
Parameter calibration memory module, for storing the production information of transmitter and temperature compensation parameter information, compensation temperature
Parameter is called for MCU control module；
For storing the liquid level of the fluid to be measured collected, temperature data, mould is controlled for MCU for acquired data storage module
Block calls.
The first shell is welded with pedestal, and second shell is all provided with communication interface seat and first shell with the place being connected
Double seal ring is equipped with, afterbody hook is provided with Double seal ring sealing with communication interface seat junction.
It is arranged with battery case fixed frame in the second shell, battery case fixed frame both ends are by sunk screw respectively with
One housing is connected with communication interface seat, and battery case is arranged in battery case fixed frame, battery is provided in battery case.
The water guide head is made of stainless steel.
The sensor uses suspension upside-down mounting.
Insulation sleeve is arranged in the first shell, circuit module is provided in insulation sleeve.
The second shell is linked up with afterbody and is fixedly connected by nut.
The afterbody hook surface is provided with annular knurl, is provided with to fix the through hole of steel wire rope on afterbody hook.
Compared with prior art, the utility model at least has technique effect beneficial below, and the utility model is without outer
Portion's power supply environment, without can be accurate at set time intervals in the state of personnel's on-the-spot record data, no signal reception device
Really liquid level and temperature in record liquid.Using preceding after setting, steel wire can be used directly or rope connection is directly installed on survey
In quantity of fluid, test period most long reachable 7 years, the data of most 50000, measurement data real-time storage is inside transmitter；
It needs to fetch transmitter from measurement point when reading data and can carry out record reading, using being ultralow Consumption, in-built electrical
The function thorough liberation duty personnel of acquisition and recording without peripheral power supply unit, is moved, operating personnel are in equipment automatic collection in pond
Period need not operate transmitter, both reduced the working strength of operating personnel, also reduced operating cost, greatly reduced people
Power cost and equipment cost can be applied to the industries such as ocean, river survey, water conservancy, urban flood defence, living water.
Further, first shell and pedestal weld, second shell and communication interface seat and first shell and the ground being connected
Side is both provided with Double seal ring, and afterbody hook is provided with Double seal ring sealing with communication interface seat junction, reaches IP68 protection
Grade makes transmitter operation and maintenance all very convenient.
Further, battery case fixed frame is arranged in second shell, battery case fixed frame both ends pass through sunk screw point
It is not connected with first shell and communication interface seat, battery case is arranged in battery case fixed frame, battery is provided in battery case, it is right
Battery carries out comprehensive protection, cell damage caused by reducing due to external force vibration etc..
Further, water guide head is made of stainless steel, plays the role of protecting pressure transducer diaphragm.
Further, pressure sensor uses suspension upside-down mounting, and pressure sensor is easy to assembly, no mechanical stress.
Further, insulation sleeve is arranged in first shell, circuit module is provided in insulation sleeve, using electron pouring sealant
It is fixed, protect circuit.
Further, which is characterized in that second shell is linked up with afterbody and is fixedly connected by nut, easy to disassemble.
Description of the drawings
Fig. 1 is transmitter schematic diagram；
Fig. 2 is that transmitter replaces battery schematic diagram；
Fig. 3 circuit hardware module frame charts；
Fig. 4 is circuit module program chart；
In attached drawing：1st, water guide head, 2, pressure sensor, 3, pedestal, 4, screw, 5, circuit module, 6, insulation sleeve, 7, first
Housing, 8, Double seal ring, 9, sunk screw, 10, battery case, 11, battery, 12, battery case fixed frame, 13, second shell, 14,
Communication interface seat, 15, nut, 17, connector seat, 18, afterbody hook, 19, nameplate.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
With reference to Fig. 1 and Fig. 4, a kind of unattended, battery powered recording liquid level, temperature transmitter include fixing successively
The water guide of connection is first 1, pedestal 3, first shell 7, second shell 13, nut 15 and afterbody hook 18, wherein first shell 7 and the
Two housings, 13 grafting, the first side of water guide in bottom pedestal 3, first shell 7, second shell 13, nut 15 and is led during use
Head 1 is identical with the outer diameter of the column part of afterbody hook 18, and 7 outside of first shell is provided with nameplate 19.
Water guide first 1 uses stainless steel, and front end is provided with the water-guiding hole of 4 Φ 3, pressure sensor is touched convenient for liquid
2 diaphragm, while play the role of protecting 2 diaphragm of pressure sensor, 3 front end of pedestal is internal thread, convenient for the test of transmitter
Compensation calibration is fixedly connected with water guide first 1, and 3 rear end of pedestal is provided with 6 fixing port of insulation sleeve of wiring harness module 5, pedestal 3
In be provided with pressure sensor 2, pressure sensor 2 is by flexible circuit conductor by the pressure sensing of voltage mV signal transmissions to circuit module
Device acquisition module, pressure sensor 2 use suspension upside-down mounting：Pressure sensor 2 is easy to assembly, no mechanical stress, first shell 7
It is welded with pedestal 3 with argon arc welding, the requirement of shelter that transmitter is made to reach IP68.Insulation sleeve 6 is arranged in first shell 7, is insulated
Circuit module 5 is provided in set 6, is fixed using electron pouring sealant, protects circuit, pressure sensor 2 is welded on by signal wire
It on the corresponding pad of circuit module, and is connected with pressure sensor acquisition module, circuit module 5 is solid by screw 4 and pedestal 3
Fixed connection, circuit module 5 are placed in insulation sleeve 6, are fixed using electron pouring sealant, and screw 4 is used for circuit module 5
The ground connection flexible circuit conductor of extraction is fixed on pedestal, and to increase the antijamming capability of circuit board, communication is led on circuit module 5
Line, the order wire other end are connected with communication interface, and 4 core aviation sockets are fixed on logical by communication interface using threaded form
On communication interface seat 14, battery case fixed frame 12 is arranged in second shell 13,12 both ends of battery case fixed frame pass through sunk screw 9
It is connected respectively with first shell 7 and communication interface seat 14, battery case 10 is arranged in battery case fixed frame 12, is set in battery case 10
Battery 11 is equipped with, battery 11 is lithium battery, parameter 3.6V, 2400mA/h, communication interface seat one end and battery case fixed frame 12
Connection, the other end and is arranged on the connector base that afterbody is linked up in 18 and is connected, by battery case fixed frame 12 by first shell 7
It is linked to be an entirety with communication interface seat 14, second shell 13 in outer cover is locked with nut 15.Communication interface seat 14 and first
The place being connected on housing 7 with second shell 13 is provided with Double seal ring 8, and sealing reaches IP68 degree of protection；Afterbody hook 18
For protecting communication interface connector seat 17, surface knurling is convenient for the user to operate, afterbody hook 18 and communication interface connector seat
The place of 17 contacts is provided with Double seal ring 8 and seals, and reaches IP68 degree of protection, the hole of Φ 8 is provided on afterbody hook 18, is used
The fixation of steel wire rope when transmitter is put into water.
With reference to Fig. 2, circuit module 5 includes MCU control module, clock module, pressure sensor acquisition module, temperature sensing
Device module, RS485 communication modules, parameter calibration memory module and acquired data storage module supply 00 from battery to above-mentioned module
Electricity.
MCU control module by order wire respectively with clock module, pressure sensor acquisition module, temperature sensor mould
Block, RS485 communication modules, parameter calibration memory module are connected with acquired data storage module.
Clock module voluntarily carries out timing with the form of date Hour Minute Second, and with warning function, i.e., when arrival is set
Time when for MCU control module provide wake-up signal；
MCU control module selects kernel control chip of the MCU control module of super low-power consumption as system, each for coordinating
The operation of function module, MCU control module are used to receive the wake-up signal that clock module or RS485 communication modules transfer, receive
Start pressure sensor acquisition module, temperature sensor module, parameter calibration memory module and gathered data after to wake-up signal
Memory module works, and MCU control module is sent a signal to after the completion of the collecting work of modules or communication, storage work,
MCU control modules, which send control signal, makes pressure sensor acquisition module, temperature sensor module, parameter calibration memory module
Sleep pattern is in acquired data storage module, with the amount of saving energy.
Pressure sensor acquisition module for gathering the level value in fluid to be measured, and the mV step voltages collected is believed
Number, the AD acquisition modules built in MCU control module are accessed, the real-time level value of fluid to be measured is provided for MCU control module；
Built-in temperature sensor module, the temperature sensor module built in MCU are used to carry out the acquisition of fluid to be measured temperature,
And the temperature signal collected is transferred to MCU control module, and it is completed to MCU control module transmission temperature acquisition work
Signal；
RS485 communication modules provide communication channel for MCU control module, and with the equipment with RS485 communication interfaces into
Row communication；
Parameter calibration memory module, storage transmitter production information (such as producing days, product identification etc.), temperature-compensating
Parameter information, compensation temperature parameter are called for MCU control module；If without temperature-compensating, level value has very big temperature
Drift, i.e., test error will be substantially improved.The compensating parameter of temperature drift is provided in production, and temperature compensation procedure is to gather
To after temperature and original pressure data, original value is calculated, provides the level value after compensation, is stored in acquired data storage mould
Block.Note：Temperature value can simply use temperature value, while also by temperature value stored record without compensation when level value compensates
For users to use.
Acquired data storage module stores liquid level, the temperature data of the fluid to be measured collected, for MCU control module tune
With when needing to record gathered data, the level value after time, temperature value, compensation is stored in this module by MCU control module, is deposited
Instruction is sent by MCU control module after storage and closes this module, into sleep mode.
With reference to Fig. 3, the workflow of circuit module is：Transmitter use preceding connection computer, operate on computers into
Row system initialization, and each function module is initialized and carries out system detectio, detection enters dormant state after passing through
To reduce power consumption；RS485 communication modules can wake up MCU control module and be communicated therewith, complete digital independent, storage
Deng operation, operation terminates, and MCU control module goes successively to dormant state；Clock module is sent " acquisition time arrives " according to setting
Instruction, wake up MCU and carry out Data acquisition and storage operation, operation terminates, and MCU control module goes successively to dormant state.
The acquisition time set is reached when the time of the clock module of circuit module 5, clock module sends alarm signal and calls out
Awake MCU control modules, carry out data acquisition storage.MCU control module reads the date Hour Minute Second letter of clock module first
Secondly breath reads temperature value and level value, after level value is compensated processing calculating, after clock information, temperature value, compensation
Level value be stored in acquired data storage module together, modules are then shut off, into sleep mode.
When needing to read record data, RS485 communication modules receive data command to wake up MCU control module, MCU
Control module reads the gathered data of gathered data logging modle, and external equipment is transferred to by RS485 communication modules.
Read temperature value：The MCU control module of circuit module 5 reads built-in temperature sensor module acquisition environment temperature.
Read level value：Fluid pressure is equally distributed by 4 of first 1 bottom of water guideTracting pressuring hole is applied to pressure
On the pressure-sensitive diaphragm of sensor 2, pressure sensor 2 senses pressure and exports mV magnitude voltage signals corresponding with height of liquid level,
Circuit module 5 is passed to by conducting wire, the mV magnitude voltage signals received are acquired circuit module 5 and compensation deals.
With reference to Fig. 4, the periodic replacement of battery 11：1. remove afterbody hook 18；2. screw off nut 15；3. remove second shell
13；4. removing used batteries, more renew battery；5. by 3.-order 1., housing assembling is completed.
The application method of the utility model is as follows：
3.1 by transmitter by RS485 modular converters with being connected computer；
3.2 set the parameter of transmitter, and the time of calibration transmitter can be accurate to days according to transmitter communication agreement
Day Hour Minute Second；
3.3 set transmitters at the beginning of with the acquisition interval time；
3.4 disconnect transmitter and computer, tighten tail accessory, and measurement liquid is directly installed on using steel wire or rope connection
In body；
3.5 fetch transmitter from test point when using, and unscrew tail accessory, transmitter are connected with computer, by special
Upper computer software (or providing communication instruction) reads the record data of transmitter.
Claims (9)
1. a kind of unattended, battery powered recording liquid level, temperature transmitter, which is characterized in that connect including fixed successively
Water guide head (1), pedestal (3), first shell (7), second shell (13) and the afterbody hook (18) connect, water guide head (1) front end is set
The water-guiding hole being equipped with is provided with pressure sensor (2) in pedestal (3), circuit module (5), pressure is provided in first shell (7)
Sensor (2) is connected by order wire with the pressure sensor acquisition module of circuit module (5), circuit module (5) and pedestal (3)
It is fixedly connected, circuit module (5) is connected by order wire with communication interface, is provided in second shell (13) for circuit mould
The battery (11) of block (5) power supply；
Circuit module (5) include MCU control module, MCU control module by order wire respectively with clock module, pressure sensor
Acquisition module, temperature sensor module, RS485 communication modules, parameter calibration memory module are connected with acquired data storage module.
2. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, clock module, for timing, when reaching the time of setting, wake-up signal is provided for MCU control module；
MCU control module is used to coordinate the operation of each function module, and MCU control module is used to receive the wake-up of clock module transmission
The wake-up signal of signal or RS485 communication modules starts pressure sensor after the wake-up signal of clock module transmission when received
Acquisition module, temperature sensor module, parameter calibration memory module and the work of acquired data storage module, when adopting for modules
MCU control module is sent a signal to after the completion of collection work or communication, storage work, MCU control module, which sends control signal, makes pressure
Force snesor acquisition module, temperature sensor module, parameter calibration memory module and acquired data storage module are in sleep mould
Formula, with the amount of saving energy；When receiving the wake-up signal of RS485 communication modules transmission, MCU reads gathered data logging modle
Gathered data, external equipment is transferred to by RS485 communication modules；
Pressure sensor acquisition module for gathering the level value in fluid to be measured, and the mV magnitude voltage signals that will be collected, connects
Enter the AD acquisition modules built in MCU control module, the real-time level value of fluid to be measured is provided for MCU control module；
Built-in temperature sensor module for carrying out the acquisition of fluid to be measured temperature, and the temperature signal collected is transferred to
MCU control module, and send the completed signal of temperature acquisition work to MCU control module；
RS485 communication modules, for wake-up signal and providing communication channel for MCU control module to transferring, with peripheral equipment into
Row communication；
Parameter calibration memory module, for storing the production information of transmitter and temperature compensation parameter information, compensation temperature parameter,
It is called for MCU control module；
Acquired data storage module, for storing the liquid level of the fluid to be measured collected, temperature data, for MCU control module tune
With.
3. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, first shell (7) is welded with pedestal (3), and second shell (13) is with communication interface seat (14) and first shell (7) with being connected
Place be both provided with Double seal ring (8), afterbody hook (18) is provided with Double seal ring (8) with communication interface seat (14) junction
Sealing.
4. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, battery case fixed frame (12) is arranged in second shell (13), and battery case fixed frame (12) both ends pass through sunk screw (9)
It is connected respectively with first shell (7) and communication interface seat (14), battery case (10), battery is arranged in battery case fixed frame (12)
Battery (11) is provided in box (10).
5. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, water guide head (1) is made of stainless steel.
6. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, pressure sensor (2) uses suspension upside-down mounting.
7. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, insulation sleeve (6) is arranged in first shell (7), circuit module (5) is provided in insulation sleeve (6).
8. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, second shell (13) is fixedly connected with afterbody hook (18) by nut (15).
9. one kind according to claim 1 is unattended, battery powered recording liquid level, temperature transmitter, feature
It is, afterbody hook (18) surface is provided with annular knurl, is provided with to fix the through hole of steel wire rope on afterbody hook (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328230.6U CN207439464U (en) | 2017-10-16 | 2017-10-16 | A kind of unattended, battery powered recording liquid level, temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721328230.6U CN207439464U (en) | 2017-10-16 | 2017-10-16 | A kind of unattended, battery powered recording liquid level, temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439464U true CN207439464U (en) | 2018-06-01 |
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ID=62292492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721328230.6U Active CN207439464U (en) | 2017-10-16 | 2017-10-16 | A kind of unattended, battery powered recording liquid level, temperature transmitter |
Country Status (1)
| Country | Link |
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| CN (1) | CN207439464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447522A (en) * | 2021-05-20 | 2021-09-28 | 北方工业大学 | Method and device for testing equivalent heat capacity in battery |
-
2017
- 2017-10-16 CN CN201721328230.6U patent/CN207439464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447522A (en) * | 2021-05-20 | 2021-09-28 | 北方工业大学 | Method and device for testing equivalent heat capacity in battery |
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