CN210246349U - Low-power consumption data acquisition and uploading circuit - Google Patents
Low-power consumption data acquisition and uploading circuit Download PDFInfo
- Publication number
- CN210246349U CN210246349U CN201921101259.XU CN201921101259U CN210246349U CN 210246349 U CN210246349 U CN 210246349U CN 201921101259 U CN201921101259 U CN 201921101259U CN 210246349 U CN210246349 U CN 210246349U
- Authority
- CN
- China
- Prior art keywords
- power supply
- detector
- analog switch
- chip
- mcu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a low power consumption data acquisition and uploading circuit, which comprises a MCU, a power supply, a first detector, a communication module and a first analog switch; the first detector and the communication module are connected with the MCU; the power supply is connected with the first detector through the first analog switch, and power supply control of the first detector is realized through the first analog switch; the MCU and the communication module are powered by the power supply. The utility model discloses the advantage: the power consumption of the whole machine can be greatly reduced, so that when the power supply device is used specifically, long-term power supply can be carried out only through the battery.
Description
Technical Field
The utility model relates to a water utilities field, in particular to low-power consumption data acquisition uploads circuit.
Background
With the continuous improvement of living standard, people are more and more concerned about the quality of daily drinking water, and various water purifying devices are also continuously in the visual field of people. At present, the following pain problems mainly exist in the water purification industry:
when the used filter element is unsealed, the water purification equipment can easily become a hotbed for breeding bacteria after being not used for a period of time (generally three to seven days), and secondary pollution of water is caused, so that the water quality cannot be kept fresh; in order to ensure the quality of drinking water, the filter element is frequently replaced or the drinking water is treated by using sterilization technologies such as bacteriostatic activated carbon materials and the like, which causes higher water purification cost; meanwhile, the existing water purifying equipment does not monitor the water quality, and the quality of the drinking water which is discharged in real time cannot be ensured. In order to solve the above pain point problem, it is an indispensable link to upload the data acquisition to the business turn over water of water purification unit, and because data acquisition uploads and is a long-term process again, consequently, how to reduce the consumption of whole data acquisition upload circuit is the problem that needs to solve urgently.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a low-power consumption data acquisition uploads circuit, reaches the purpose that reduces the consumption through this circuit.
The utility model discloses a realize like this: a low-power consumption data acquisition and uploading circuit comprises an MCU, a power supply, a first detector, a communication module and a first analog switch;
the first detector and the communication module are connected with the MCU; the power supply is connected with the first detector through the first analog switch, and power supply control of the first detector is realized through the first analog switch; the MCU and the communication module are powered by the power supply.
Furthermore, the circuit also comprises a second detector and an analog switch group; the second detector is connected with the acquisition pin of the MCU; the MCU is connected with the second detector through the analog switch group, and power supply control of the second detector is realized through the analog switch group.
Further, the analog switch group comprises two second analog switches and two third analog switches, and the second detector comprises a first TDS sensor and a second TDS sensor; the MCU adopts a PIC24FJ64GA306 or a PIC24FJ128GA306 chip;
the RB14 pin and the RB13 pin of the MCU are respectively connected with the first TDS sensor through the second analog switch, and the first TDS sensor is connected with the RB12 pin of the MCU; and the RB9 and RB8 pins of the MCU are respectively connected with the second TDS sensor through the third analog switch, and the second TDS sensor is connected with the RB10 pin of the MCU.
Further, the circuit further comprises a flow meter; the flow meter is connected with the MCU.
Furthermore, the power supply comprises a direct current interface, a 3.6V power supply, a battery interface, a first buck chip, a boost chip, a second buck chip and a voltage stabilization chip; the battery interface is connected with the 3.6V power supply; the direct current interface is connected with the 3.6V power supply through the first voltage reduction chip; the 3.6V power supply is connected with the boost chip, a 5V power supply is obtained after boosting through the boost chip, and the first analog switch is arranged between the boost chip and the 5V power supply; the 3.6V power supply is connected with the second voltage reduction chip, and a 3V power supply is obtained after voltage reduction is carried out through the second voltage reduction chip; the 3.6V power supply is connected with the voltage stabilizing chip, and a 2.5V reference power supply is obtained through the voltage stabilizing chip.
Further, the boost chip is an MP3422 chip, and a pin EN of the boost chip is connected to the 5V power supply through the first analog switch.
Further, the communication module is an NB-IOT module.
Further, the first detector is a bit atom water quality sensor.
The utility model has the advantages that: the power supply control of the first detector can be realized through the first analog switch, namely when water quality data acquisition is needed, the first analog switch can be started to supply power to the first detector; when the water quality data does not need to be collected, the power supply to the first detector can be closed, so that the purpose of reducing power consumption can be achieved to a certain extent. Meanwhile, an analog switch group is arranged between the MCU and the second detector, and when TDS data acquisition is required, the analog switch group can be started to supply power to the second detector; when TDS data acquisition is not required, the power supply to the second detector can be turned off, and therefore, the overall power consumption of the circuit can be further reduced. Meanwhile, the utility model also uses the NB-IOT module to upload data, and the NB-IOT module has the advantage of low power consumption; the flowmeter is low in power consumption per se through pulse counting, so that the power consumption of the circuit can be further reduced. According to the above, through the utility model discloses a circuit design can be very big the consumption of reduction complete machine, and this makes when specifically using, only needs to supply power for a long time through the battery.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is the utility model relates to a low-power consumption data acquisition uploads circuit's circuit schematic block diagram.
Fig. 2 is the utility model relates to a low-power consumption data acquisition uploads circuit in the circuit principle of power and sees the picture.
Fig. 3 is the utility model relates to a realize carrying out power supply control's schematic block diagram to first detector in the low-power consumption data acquisition upload circuit.
Fig. 4 is the utility model relates to a realize carrying out power supply control's schematic block diagram to the second detector in the low-power consumption data acquisition upload circuit.
Description of reference numerals:
100-circuit, 1-MCU, 2-power supply, 21-DC electrical interface, 22-3.6V power supply, 23-battery interface, 24-first voltage reduction chip, 25-boost chip, 26-second voltage reduction chip, 27-voltage stabilization chip, 28-5V power supply, 29-3V power supply, 20-2.5V reference power supply, 3-first detector (bit atom water quality sensor), 4-communication module (NB-IOT module), 5-first analog switch, 6-second detector, 61-first TDS sensor, 62-second TDS sensor, 7-analog switch group, 71-second analog switch, 72-third analog switch, 8-flowmeter and 9-drain valve.
Detailed Description
Referring to fig. 1 to 4, in a preferred embodiment of a low power consumption data acquisition and uploading circuit 100 according to the present invention, the circuit 100 includes an MCU1, a power source 2, a first detector 3, a communication module 4, and a first analog switch 5;
the first detector 3 and the communication module 4 are both connected with the MCU 1; the power supply 2 is connected with the first detector 3 through the first analog switch 5, and power supply control of the first detector 3 is realized through the first analog switch 5; the MCU1 and the communication module 4 are both powered by the power supply 2. Wherein, the power supply 2 is used for supplying power to the whole circuit 100; the first detector 3 is used for collecting data; the communication module 4 is used for uploading data; the first analog switch 5 is used for realizing power supply control; the MCU1 is the control core of the entire circuit 100 and is used to control the various devices.
Therefore, the first analog switch 5 is arranged between the power supply 2 and the first detector 3, so that when data acquisition is needed, the first analog switch 5 can be started to supply power to the first detector 3, and the data acquisition is realized; when data acquisition is not required, the power supply to the first detector 3 can be turned off, so that the purpose of reducing the overall power consumption of the circuit is achieved.
The circuit 100 further comprises a second detector 6 and an analog switch set 7; the second detector 6 is connected with a collection pin of the MCU 1; the MCU1 is connected to the second detector 6 through the analog switch group 7, and performs power supply control on the second detector 6 through the analog switch group 7. The utility model adopts the analog switch group 7 arranged between the MCU1 and the second detector 6, so that when data acquisition is needed, the analog switch group 7 can be opened to supply power to the second detector 6, so as to realize data acquisition; when data acquisition is not required, the power supply to the second detector 6 can be turned off to achieve the purpose of reducing the overall power consumption of the circuit.
Wherein the analog switch group 7 includes two second analog switches 71 and two third analog switches 72, and the second detector 6 includes a first TDS sensor 61 and a second TDS sensor 62; the MCU1 adopts a PIC24FJ64GA306 or a PIC24FJ128GA306 chip; the first TDS sensor 61 and the second TDS sensor 62 are used for collecting TDS values (i.e. values of total soluble solid substances in water) in water, and in specific implementation, the first TDS sensor 61 and the second TDS sensor 62 may be respectively disposed at a water inlet end and a water outlet end of a water purifying device (not shown) to collect and compare TDS values at two ends of the water purifying device, so that a water quality difference before and after filtration can be known;
the RB14 pin and the RB13 pin of the MCU1 are respectively connected with the first TDS sensor 61 through the second analog switch 71, and the first TDS sensor 61 is connected with the RB12 pin of the MCU 1; that is, the utility model adopts the RB14 and RB13 pins of the MCU1 as the analog power source of the first TDS sensor 61, and controls the power supply through the second analog switch 71; meanwhile, an RB12 pin of the MCU1 is used as an input pin for AD acquisition; in specific operation, when the first TDS sensor 61 needs to collect data, the MCU1 controls the second analog switch 71 on the pin RB14 to set the first input terminal of the first TDS sensor 61 to high level (i.e., set to DC3.0V), and controls the second analog switch 71 on the pin RB13 to set the second input terminal of the first TDS sensor 61 to low level (i.e., set to GND); the first TDS sensor 61 collects data and transmits the data to the MCU1 through the RB12 pin; after the collection is completed, the MCU1 controls the second analog switch 71 on the RB14 pin to set the first input terminal of the first TDS sensor 61 to a low level (i.e., to GND), and controls the second analog switch 71 on the RB13 pin to set the second input terminal of the first TDS sensor 61 to a high level (i.e., to DC3.0V) for a certain time (the specific time can be set as required) to counteract the polarization effect of the first TDS sensor 61; finally, when the first TDS sensor 61 does not need to collect data, the MCU1 controls the two second analog switches 71 to set both the first input terminal and the second input terminal of the first TDS sensor 61 to a high level (i.e., both are set to DC3.0V) so as to minimize the power consumption of the circuit;
the RB9 pin and the RB8 pin of the MCU1 are respectively connected with the second TDS sensor 62 through the third analog switch 72, and the second TDS sensor 62 is connected with the RB10 pin of the MCU 1; that is, the present invention adopts the RB9 and RB8 pins of the MCU1 as the analog power source of the second TDS sensor 62, and controls the power supply through the third analog switch 72; meanwhile, an RB10 pin of the MCU1 is used as an input pin for AD acquisition; in specific operation, when the second TDS sensor 62 needs to collect data, the MCU1 controls the third analog switch 72 on the pin RB9 to set the first input terminal of the second TDS sensor 62 to high (i.e., set to DC3.0V), and controls the third analog switch 72 on the pin RB8 to set the second input terminal of the second TDS sensor 62 to low (i.e., set to GND); the second TDS sensor 62 collects data and transmits the data to the MCU1 through the RB10 pin; after the collection is completed, the MCU1 controls the third analog switch 72 on the RB9 pin to set the first input terminal of the second TDS sensor 62 to a low level (i.e., to GND), and controls the third analog switch 72 on the RB8 pin to set the second input terminal of the second TDS sensor 62 to a high level (i.e., to DC3.0V) for a certain time (the specific time can be set as required) to counteract the polarization effect of the second TDS sensor 62; finally, when the second TDS sensor 62 does not need to collect data, the MCU1 controls the two third analog switches 72 to set both the first input and the second input of the second TDS sensor 62 to high level (i.e., both set to DC3.0V) to minimize the power consumption of the circuit.
The circuit 100 further comprises a flow meter 8; the flow meter 8 is connected to the MCU 1. In implementation, the flow meter 8 may be connected to the water outlet end of the water purifying device, so as to collect the flow data of the water used by the user through the flow meter 8 and transmit the collected flow data to the MCU 1. Meanwhile, when the utility model is implemented specifically, in order to discharge polluted drinking water, the utility model can further comprise a water discharge valve 9, the water discharge valve 9 is connected with the MCU1, the water discharge valve 9 can be arranged on a water discharge pipeline (not shown), when bacteria are detected to breed in the drinking water, the MCU1 can automatically control the water discharge valve 9 to be opened so as to discharge some polluted water; after the drain is completed, the MCU1 can automatically control the drain valve 9 to close.
The power supply 2 comprises a direct current interface 21, a 3.6V power supply 22, a battery interface 23, a first buck chip 24, a boost chip 25, a second buck chip 26 and a voltage stabilization chip 27; the battery interface 23 is connected with the 3.6V power supply 22, the 3.6V power supply 22 is used for supplying power to the drain valve 9 and the communication module 4, and when in specific use, the 3.6V power supply 22 can be obtained by connecting a battery into the battery interface 23; the dc electrical interface 21 is connected to the 3.6V power supply 22 through the first voltage-dropping chip 24, when in specific use, 12V dc can be connected to the dc electrical interface 21, and then the 3.6V power supply 22 is obtained by dropping voltage through the first voltage-dropping chip 24, where the first voltage-dropping chip 24 can be implemented by using an MP1471 chip; the 3.6V power supply 22 is connected to the boost chip 25, and a 5V power supply 28 is obtained after boosting through the boost chip 25, the 5V power supply 28 is used for supplying power to the first detector 3, the first analog switch 5 is arranged between the boost chip 25 and the 5V power supply 28, and in specific implementation, whether the 5V power supply 28 supplies power or not can be controlled through the first analog switch 5; the 3.6V power supply 22 is connected to the second voltage-reducing chip 26, and a 3V power supply 29 is obtained after voltage reduction is performed by the second voltage-reducing chip 26, the 3V power supply 29 is used for supplying power to the MCU1 and the flow meter 8, and the second voltage-reducing chip 26 may be implemented by an MCP1700 chip; the 3.6V power supply 22 is connected to the regulator chip 27, and a 2.5V reference power supply 20 is obtained through the regulator chip 27, the 2.5V reference power supply 20 is used to provide a standard voltage for the MCU1, when the implementation is performed, the 2.5V reference power supply 20 may be connected to a BR0 pin of the MCU1 to be used as a reference voltage for AD conversion of the MCU1, and the regulator chip 27 may be implemented by using an SGM2200-2.5YN3LG chip. Because the utility model discloses a power 2 is provided with DC electrical interface 21 and battery simultaneously connects 23 mouths, consequently, when specifically using, compatible battery and external power supply's that can be fine power supply mode.
In addition, it should be noted that: the utility model discloses the model of the above concrete chip that lists in only be used for the illustrative usefulness, not be used for right the utility model discloses a scope is injectd, the utility model discloses when concrete implementation, can select the chip of other models according to actual need completely to replace, as long as can realize required function can. Meanwhile, implementation procedures for controlling the opening or closing of the valve, controlling the communication module 4 to upload data, and receiving data collected by the flowmeter 8, the first detector 3, the first TDS sensor 61, and the second TDS sensor 62 through the MCU1 are well known to those skilled in the art and are available without inventive labor.
The boost chip 25 is an MP3422 chip, and the pin EN of the boost chip 25 is connected to the 5V power supply 28 through the first analog switch 5, and in specific implementation, the boost chip 25 can control the first analog switch 5 to perform a switching operation.
The communication module 4 is an NB-IOT module. The utility model discloses a NB-IOT module has following advantage: (1) compared with Bluetooth transmission, the NB-IOT communication belongs to remote data transmission, and when the NB-IOT communication is used, data do not need to be acquired nearby water purification equipment; (2) compared with WIFI communication, the data transmission does not need to depend on AP hotspots for network data transmission, and the situation that data cannot be reported due to no WIFI environment or network disconnection is avoided; (3) compared with Bluetooth and WIFI, NB-IOT communication does not need a complex configuration process, and can automatically connect with a network and report data only after the equipment is started; (4) the NB-IOT module is low in power consumption, and long-term power supply can be achieved by using a battery, which cannot be achieved by Bluetooth and WIFI.
The first detector 3 is a bit atom water quality sensor. When the water quality sensor is used specifically, the bit atom water quality sensor can be connected with the water outlet end of a water purification device to collect three water quality data of Total Organic Carbon (TOC), Chemical Oxygen Demand (COD) and organic matter content (uv254) in water through the bit atom water quality sensor, the bit atom water quality sensor transmits the data to the MCU1 through a serial port, and the bit atom water quality sensor of the model WQM01A can be adopted specifically.
In summary, when the circuit of the present invention is implemented, the power supply control of the first detector 3 can be realized through the first analog switch 5, that is, when the water quality data acquisition is required, the first analog switch 5 can be turned on to supply power to the first detector 3; when the water quality data does not need to be collected, the power supply to the first detector 3 can be turned off, and therefore the purpose of reducing power consumption can be achieved to a certain extent. Meanwhile, an analog switch group 7 is arranged between the MCU1 and the second detector 6, and when TDS data acquisition is required, the analog switch group 7 can be started to supply power to the second detector 6; when TDS data acquisition is not required, the power supply to the second detector 6 can be turned off, and therefore, the overall power consumption of the circuit can be further reduced. Meanwhile, the utility model also uses the NB-IOT module to upload data, and the NB-IOT module has the advantage of low power consumption; the flow meter 8, by counting pulses, also has a low power consumption of its own, and therefore the power consumption of the circuit can be further reduced. According to the above, through the utility model discloses a circuit design can be very big the consumption of reduction complete machine, and this makes when specifically using, only needs to supply power for a long time through the battery.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a low-power consumption data acquisition uploads circuit which characterized in that: the circuit comprises an MCU, a power supply, a first detector, a communication module and a first analog switch;
the first detector and the communication module are connected with the MCU; the power supply is connected with the first detector through the first analog switch, and power supply control of the first detector is realized through the first analog switch; the MCU and the communication module are powered by the power supply.
2. The low-power consumption data acquisition and upload circuit of claim 1, wherein: the circuit also comprises a second detector and an analog switch group; the second detector is connected with the acquisition pin of the MCU; the MCU is connected with the second detector through the analog switch group, and power supply control of the second detector is realized through the analog switch group.
3. The low-power consumption data acquisition and upload circuit of claim 2, wherein: the analog switch group comprises two second analog switches and two third analog switches, and the second detector comprises a first TDS sensor and a second TDS sensor; the MCU adopts a PIC24FJ64GA306 or a PIC24FJ128GA306 chip;
the RB14 pin and the RB13 pin of the MCU are respectively connected with the first TDS sensor through the second analog switch, and the first TDS sensor is connected with the RB12 pin of the MCU; and the RB9 and RB8 pins of the MCU are respectively connected with the second TDS sensor through the third analog switch, and the second TDS sensor is connected with the RB10 pin of the MCU.
4. A low power consumption data acquisition and upload circuit as claimed in claim 1 or 2, wherein: the circuit further includes a flow meter; the flow meter is connected with the MCU.
5. The low-power consumption data acquisition and upload circuit of claim 1, wherein: the power supply comprises a direct current interface, a 3.6V power supply, a battery interface, a first voltage reduction chip, a voltage boosting chip, a second voltage reduction chip and a voltage stabilizing chip; the battery interface is connected with the 3.6V power supply; the direct current interface is connected with the 3.6V power supply through the first voltage reduction chip; the 3.6V power supply is connected with the boost chip, a 5V power supply is obtained after boosting through the boost chip, and the first analog switch is arranged between the boost chip and the 5V power supply; the 3.6V power supply is connected with the second voltage reduction chip, and a 3V power supply is obtained after voltage reduction is carried out through the second voltage reduction chip; the 3.6V power supply is connected with the voltage stabilizing chip, and a 2.5V reference power supply is obtained through the voltage stabilizing chip.
6. The low-power consumption data acquisition and upload circuit of claim 5, wherein: the boost chip is an MP3422 chip, and a pin EN of the boost chip is connected with the 5V power supply through the first analog switch.
7. The low-power consumption data acquisition and upload circuit of claim 1, wherein: the communication module is an NB-IOT module.
8. The low-power consumption data acquisition and upload circuit of claim 1, wherein: the first detector is a bit atom water quality sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101259.XU CN210246349U (en) | 2019-07-15 | 2019-07-15 | Low-power consumption data acquisition and uploading circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921101259.XU CN210246349U (en) | 2019-07-15 | 2019-07-15 | Low-power consumption data acquisition and uploading circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246349U true CN210246349U (en) | 2020-04-03 |
Family
ID=69991216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921101259.XU Active CN210246349U (en) | 2019-07-15 | 2019-07-15 | Low-power consumption data acquisition and uploading circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323804A (en) * | 2019-07-15 | 2019-10-11 | 智恒科技股份有限公司 | A kind of acquisition of low power consumption data uploads circuit and method |
-
2019
- 2019-07-15 CN CN201921101259.XU patent/CN210246349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323804A (en) * | 2019-07-15 | 2019-10-11 | 智恒科技股份有限公司 | A kind of acquisition of low power consumption data uploads circuit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103645706B (en) | A kind of water purifier with communication multimedia | |
| CN201848153U (en) | Automatic filter element exchange prompt device of water purifying equipment | |
| CN204675843U (en) | Family expenses telecommunication intelligence water purifier | |
| CN210246349U (en) | Low-power consumption data acquisition and uploading circuit | |
| CN204508959U (en) | Water main frame processed | |
| CN204958440U (en) | Purifier with remote control and warning function | |
| CN211366993U (en) | Water data acquisition and uploading device | |
| CN204270083U (en) | A kind of gate measure and control device | |
| CN112194237A (en) | Automatic movable hypochlorous acid water generation bin and working method | |
| CN219016825U (en) | Internet of things control circuit for water purifier | |
| CN106927585A (en) | Using the intelligent water purifier of APP real-time inspection and control systems | |
| CN205490676U (en) | Sewage purification system based on cell -phone and internet remote control | |
| CN110342592A (en) | A kind of water data acquisition upload device | |
| CN205193494U (en) | Intelligence water purification system based on thing networking | |
| CN110323804A (en) | A kind of acquisition of low power consumption data uploads circuit and method | |
| CN207552028U (en) | A kind of purifier with hydraulic pressure automatic adjustment power device | |
| CN207706203U (en) | A kind of MBus- Bluetooth protocol converters based on Boost circuit | |
| TW201235077A (en) | Intelligent electronic water purifier controller | |
| CN203606688U (en) | Water purifier with communication multimedia | |
| CN217689813U (en) | Thing networking water purification system control circuit | |
| CN206512776U (en) | A kind of non-negative pressure water-supply installation with flow controller | |
| CN206431811U (en) | The wireless remote control terminal for data acquisition managed concentratedly based on communal bathroom | |
| CN213897327U (en) | Water supply equipment with remote monitoring, controlling and monitoring functions | |
| CN201912827U (en) | Improved circulating-water bypass-filter back-flushing device | |
| CN209858556U (en) | Intelligent water quality on-line monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cui Bin Inventor after: Zheng Hongjian Inventor after: Lin Kairong Inventor before: Zuo Xiaojun Inventor before: Cui Bin Inventor before: Zheng Hongjian Inventor before: Lin Kairong Inventor before: Dai Yan |
|
| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low power consumption data acquisition and upload circuit Effective date of registration: 20210813 Granted publication date: 20200403 Pledgee: Fuzhou Fujian rural commercial bank Limited by Share Ltd. Pledgor: Fujian zhihengyou Water Technology Co.,Ltd. Registration number: Y2021990000697 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |