CN203870786U - Wireless remote meter reading equipment with ultra-low-power wakeup function - Google Patents
Wireless remote meter reading equipment with ultra-low-power wakeup function Download PDFInfo
- Publication number
- CN203870786U CN203870786U CN201320891959.XU CN201320891959U CN203870786U CN 203870786 U CN203870786 U CN 203870786U CN 201320891959 U CN201320891959 U CN 201320891959U CN 203870786 U CN203870786 U CN 203870786U
- Authority
- CN
- China
- Prior art keywords
- control chip
- wireless remote
- circuit
- remote transmission
- kilowatt meter
- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 62
- 230000037007 arousal Effects 0.000 claims description 16
- FXWALQSAZZPDOT-NMUGVGKYSA-N Arg-Thr-Cys-Cys Chemical compound SC[C@@H](C(O)=O)NC(=O)[C@H](CS)NC(=O)[C@H]([C@H](O)C)NC(=O)[C@@H](N)CCCNC(N)=N FXWALQSAZZPDOT-NMUGVGKYSA-N 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 20
- 230000005059 dormancy Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000012913 prioritisation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Abstract
The utility model relates to wireless remote meter reading equipment with an ultra-low-power wakeup function. The equipment comprises a control chip, wherein an RTCC (real time clock and calendar) module which is in double-way connection with a CPU (central processing unit) and can wake up the control chip at intervals of time is arranged in the control chip; and the wireless remote meter reading equipment further comprises a unit circuit which is in double-way connection with the control chip and can trigger the wakeup. The wireless remote meter reading equipment is in the dormant state at ordinary times and can be woken up for work only when a wakeup signal of external equipment is received, so that not only can the power consumption of the equipment be greatly reduced, but also the service life of a battery can be greatly prolonged, besides, a user can conveniently set up equipment parameters and operate the equipment, and the use flexibility of the equipment is improved.
Description
Technical field
The utility model relates to a kind of wireless remote transmission check meter field, particularly a kind of wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function.
Background technology
At present in the wireless remote transmission field of checking meter, because being subject to the restriction of environment, equipment cannot realize external direct current, therefore most wireless remote transmission kilowatt meter recorder all adopts disposable lithium cell power supply, and tenure of use is more than 3 years, therefore these equipment sensitivity suitable to power consumption, conventionally dormancy standby current is all uA rank, so these equipment only wake work up in the specific time period, handle continuation dormancy, but these equipment in use often need to arrange and operate its parameter, if arrange and operation in always in dormant state, cannot operate so, if and equipment is always in wake-up states, the power consumption of hardware will increase greatly, the life-span of battery will die-off, and cannot realize equipment long-time running, if and can only arrange and operate at the specific wakeup time of equipment, will greatly reduce equipment dirigibility.
Utility model content
The purpose of this utility model is to provide a kind of wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function, described wireless remote transmission kilowatt meter recorder is all in dormant state at ordinary times, only after the wake-up signal of external device, just wake the work of this equipment up receiving, therefore can not only greatly reduce the power consumption of equipment, and the serviceable life that can greatly improve battery.
The utility model is achieved in that a kind of wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function, it comprises control chip, and described control chip inside is provided with and two-way RTCC (real-time clock/calendar) module that can wake control chip interval time up being connected of CPU processor; Described wireless remote transmission kilowatt meter recorder also comprise with control chip two-way be connected can wake-up element circuit; Described element circuit that can wake-up is one or the combination in any in infrared reception transtation mission circuit, radio-cell circuit, mechanical key element circuit, touch key-press element circuit and sensor.
Further prioritization scheme is: described infrared reception transtation mission circuit comprises infrared reception power control circuit, infrared receiving circuit and infrared transtation mission circuit, infrared reception power control circuit is connected with control chip by input/output port, infrared receiving circuit is connected with control chip by the pin that receives data, and infrared transtation mission circuit is connected with control chip by the pin that sends data.
Further prioritization scheme is: described touch key-press element circuit is the element circuit that ATA2538 touches chip, and touch key-press element circuit is connected with control chip by I2C bus.
Further prioritization scheme is: described sensor is connected with control chip by middle fracture.
Compared to prior art, the utlity model has following advantage: wireless remote transmission kilowatt meter recorder described in the utility model is all in dormant state at ordinary times, only after the wake-up signal of external device, just wake the work of this equipment up receiving, therefore can not only greatly reduce the power consumption of equipment, and the serviceable life that can greatly improve battery, in addition can also facilitate setting and the operation of user to device parameter, the dirigibility that raising equipment uses.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the one-piece construction block diagram that the utlity model has the wireless remote transmission kilowatt meter recorder of super low-power consumption arousal function.
Fig. 2 be the utlity model has super low-power consumption arousal function wireless remote transmission kilowatt meter recorder can wake-up element circuit adopt the one-piece construction block diagram of infrared reception transtation mission circuit.
Fig. 3 is infrared reception and the transtation mission circuit schematic diagram of Fig. 2.
Fig. 4 be the utlity model has super low-power consumption arousal function wireless remote transmission kilowatt meter recorder can wake-up element circuit adopt the one-piece construction block diagram of touch key-press element circuit.
Fig. 5 is the element circuit schematic diagram of Fig. 4.
Fig. 6 be the utlity model has super low-power consumption arousal function wireless remote transmission kilowatt meter recorder can wake-up element circuit adopt the one-piece construction block diagram of sensor.
Fig. 7 is the software flow pattern that the utlity model has the awakening method of the wireless remote transmission kilowatt meter recorder of super low-power consumption arousal function.
Symbol description in figure: 1, control chip, 11, RTCC module; 2, element circuit that can wake-up, 21, infrared reception transtation mission circuit, 211, infrared reception power control circuit, 212, infrared receiving circuit, 213, infrared transtation mission circuit; 22, touch key-press element circuit, 23, sensor.
Embodiment
Specific embodiment is as follows:
Please refer to shown in Fig. 1, a kind of wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function, it comprises control chip 1, described control chip 1 inside is provided with and two-way RTCC (real-time clock/calendar) module 11 that can wake control chip 1 interval time up being connected of CPU processor: described wireless remote transmission kilowatt meter recorder also comprise with control chip 1 two-way be connected with carry out following functions can wake-up element circuit 2: after control chip 1 is waken up by RTCC (real-time clock/calendar) module 11, control chip 1 judges whether the Wakeup interval time reaches setting-up time, if the time does not reach, control chip 1 is controlled wireless remote transmission kilowatt meter recorder and is continued dormancy, if the time reaches, the element circuit 2 that control chip 1 initialization can wake-up makes it enter detecting pattern, after element circuit 2 that can wake-up has detected corresponding wake-up signal, pass to control chip 1, control chip 1 is controlled wireless remote transmission kilowatt meter recorder and is entered operational mode, when element circuit 2 that can wake-up does not detect wake-up signal, control chip 1 is controlled wireless remote transmission kilowatt meter recorder and is automatically entered dormancy.
The awakening method of the above-mentioned wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function, described wireless remote transmission kilowatt meter recorder adopt be located at control chip 1 inner and with CPU processor two-way be connected RTCC (real-time clock/calendar) module 11 as wake module automatically, wireless remote transmission kilowatt meter recorder is normally in dormant state; RTCC module is waken control chip 1 up 11 interval times, and after control chip 1 is waken up by RTCC (real-time clock/calendar) module 11, control chip 1 judges whether the Wakeup interval time reaches setting-up time; If the time does not reach, control chip 1 is controlled wireless remote transmission kilowatt meter recorder and is continued dormancy; If the time reaches, the element circuit 2 that control chip 1 initialization can wake-up makes it enter detecting pattern; After element circuit 2 that can wake-up has detected corresponding wake-up signal, pass to control chip 1, control chip 1 is controlled wireless remote transmission kilowatt meter recorder and is entered operational mode; When element circuit 2 that can wake-up does not detect wake-up signal, wireless remote transmission kilowatt meter recorder will enter dormancy automatically to keep low-power consumption.
Described element circuit 2 that can wake-up can be one or the combination in any in infrared reception transtation mission circuit 21, radio-cell circuit, mechanical key element circuit, touch key-press element circuit 22 and sensor 23.
Please refer to shown in Fig. 2, described element circuit 2 that can wake-up is infrared reception transtation mission circuit 21, described infrared reception transtation mission circuit 21 comprises infrared reception power control circuit 211, infrared receiving circuit 212 and infrared transtation mission circuit 213, infrared reception power control circuit 211 is connected with control chip 1 by input/output port, infrared receiving circuit 212 is connected with control chip 1 by the pin that receives data, and infrared transtation mission circuit 213 is connected with control chip 1 by the pin that sends data.Now implementation method is in fact: wireless remote transmission kilowatt meter recorder is in low-power consumption dormant state at ordinary times, in order to ensure that extraneous communication apparatus can timely sensitive wake on wireless teletransmission kilowatt meter recorder, the Wakeup interval set of time of described RTCC module 11 is in 2S, RTCC module 11 control chip (MCU) 1 that wakes up per second, control chip (MCU) 1 judges whether the Wakeup interval time reaches 2S; If the time does not arrive, control chip (MCU) 1 is controlled wireless remote transmission kilowatt meter recorder and is continued dormancy; If the time reaches, will control the power supply control pin of infrared receiving circuit 212 by I/0, at this moment infrared receiving circuit 212 starts to receive data; If do not receive the code that wakes up of extraneous communication apparatus in 10MS, control chip (MCU) 1 is closed infrared receiving block power supply, and wireless remote transmission kilowatt meter recorder enters low-power consumption mode; If receive and wake code up, control chip (MCU) 1 is controlled wireless remote transmission kilowatt meter recorder and is entered full speed running state, and at this moment wireless remote transmission kilowatt meter recorder can carry out normal infrared communication with extraneous communication facilities; Infrared transmission receives communication and takes serial ports pattern, then carry out communication by infrared transceiver, when wireless remote transmission kilowatt meter recorder is within a certain period of time not and when external device carries out communication, control chip (MCU) 1 control wireless remote transmission kilowatt meter recorder enters low-power consumption mode automatically.
Fig. 3 is infrared reception and transtation mission circuit schematic diagram: Q102 shown in figure is infrared receiving tube, the first pin receives pin with the serial ports of controller and is connected, as receiving data pin, the crus secunda ground connection of Q102, tripod is connected with the I/O mouth of control chip by electrical network IRDA_VDD, thereby power supply and power-off that control chip is controlled Q102 by this pin ensure low-power consumption; C108, C109 are as the filter capacitor of Q102 power supply; DL101 is infrared transmitting tube, passes to external device for data are converted to infrared signal, and its one end is connected with power supply VCC, and the other end is connected with resistance R 102; R102 is as the current-limiting resistance of infrared transmitting tube DL101, and the other end is connected with the collector of triode Q101, and triode Q101 controls infrared tube DL101 as switching tube and whether produces infrared signal, and its base stage is connected with biasing resistor Q104, R103; The other end of R104 is connected with electrical network IRDA_TXD, and the serial data that this electrical network is directly connected to controller sends pin.Wherein IRDA_RXD is that infrared receiving port is connected with the serial ports receiving port of control chip 1; IRDA_VDD is the power supply control pin of infrared reception transtation mission circuit 21, and it is connected for controlling infrared receiving module open and close with the I/O mouth of control chip 1; When the Wakeup interval time then control chip 1 export high level, infrared reception transtation mission circuit 21 is opened and is entered accepting state; The serial ports that the reception pin of infrared reception transtation mission circuit 21 is connected to control chip 1 receives pin, if receiving in 10MS, this reception pin wakes code up, to send pin IRDA_TXD by control chip 1 serial ports and send answer back code to extraneous communication apparatus, control chip 1 also enters full speed mode of operation, and at this moment wireless remote transmission kilowatt meter recorder just can carry out real-time communication with external device; If external device does not carry out communication with wireless remote transmission kilowatt meter recorder for a long time, control chip 1 will be closed infrared reception transtation mission circuit 21 and be entered low-power consumption mode by IRDA_VDD pin; By the time the Wakeup interval time then, is waken code up in this detection, enters again dormancy if do not wake decoding apparatus up.
Please refer to shown in Fig. 4, described element circuit 2 that can wake-up is touch key-press element circuit 22, and described touch key-press element circuit 22 is the element circuit that ATA2538 touches chip, and touch key-press element circuit 22 use I2C buses are connected with control chip 1.Its implementation is: wireless remote transmission kilowatt meter recorder is in low-power consumption dormant state at ordinary times, RTCC module 11 control chip 1 that wakes up per second, and control chip (MCU) 1 judges whether the Wakeup interval time reaches 2S; If the time does not arrive, control chip (MCU) 1 is controlled wireless remote transmission kilowatt meter recorder and is continued dormancy; If the time reaches, this is that control chip 1 sends wake command by I2C bus to touching chip ATA2538, at this moment touches chip and enters detected state, and be 10MS detection time, in 1OMS, do not detected that hand touches, wireless remote transmission kilowatt meter recorder enters dormant state; If finger touch button detected, touch chip ATA2538 and will tell control chip 1 with interruption form, control chip 1 receives that controlling wireless remote transmission kilowatt meter recorder after information enters full speed operation pattern, and at this moment user can realize wireless remote transmission kilowatt meter recorder is arranged; And in the time that touch key-press has not detected people within a certain period of time in operation, control chip 1 will send sleep command by I2C, make wireless remote transmission kilowatt meter recorder enter low-power consumption mode, then wireless remote transmission kilowatt meter recorder wakes every 2S up 10MS touch key-press chip and detects, to be waken up again if there is key to press wireless remote transmission kilowatt meter recorder, without entering again low-power consumption park mode after operation overtime.
Fig. 5 is touch key-press element circuit schematic diagram, touch key-press element circuit 22 is made up of the touch key-press of 16 keys the ATA2538DC-24S of two, S1～S16 is touch key-press, and they detect pin by electrical network TOUCH0～TOUCH9, TOUCH_SEARCH, TOUCH_FUNC, TOUCH_DOWN, TOUCH_ENTER, TOUCH_CANCEL with the capacitance touch of U101, U102 respectively and are connected; Capacitor C 103, C105 are as capacitance touch reference capacitance, and capacitance is lower, and sensitivity is lower; SDA, SCL pin that 17,16 pin of U101, U102 are connected to the I2C communication interface of control chip by electrical network SDA, SCL are respectively realized data communication; The 15th pin of U101, U102 links together also and one end of filter capacitor C102 by electrical network RESET_N, and one end of current-limiting protection resistance R 101 links together; The other end of current-limiting protection resistance R 101 be connected to control chip I/O mouth by electrical network TOUCH_RSTN, control chip touches chip resets by two of this I/O mouth controls; The 13rd pin of U101, U102 is connected with the interrupting input pin of control chip by electrical network TOUCH1_INT, TOUCH2_INT respectively, like this when U101 and U102 have detected while touching key assignments, just wake control chip up with interruption form, control chip will pass through I2C bus, and SCL, SDA and touch chip U101, U102 set up communication; C101 and C104 are as power filtering capacitor, and one end connects ground, and the other end is received power supply+2V5.Described touch key-press element circuit 22 adopts 2 ATA2538 to touch the element circuit of 16 keys of chip formation, and I2C interface SDA, the SCL of two chips of this circuit are connected and realize communication with the I2C interface of control chip 1; And interrupting pin with TOUCH2_INT with control chip 1, TOUCH1_INT is connected, when the Wakeup interval time then, control chip 1 sends wake command to touching chip by this I2C bus, touch chip and enter button detected state, if detect that key assignments will be by dragging down TOUCH1_INT and TOUCH2_INT level is informed control chip 1, control chip 1 is had no progeny in receiving, transmission order is read to key assignments, read after correct key assignments, control chip 1 will enter full speed operation state, realize user wireless remote transmission kilowatt meter recorder is carried out to normal running; If user is not operation for a long time, control chip 1 will send sleep command to touching chip, make it enter low-power consumption park mode, and then control chip 1 also enters park mode and waits for waking up of next round.
Please refer to shown in Fig. 6, described element circuit 2 that can wake-up is sensor 25, described sensor 25 is connected to carry out following functions by middle fracture with control chip 1: in the time that external equipment has the object that can trigger this sensor 25 near wireless remote transmission kilowatt meter recorder, sensor 25 exporting change level are interrupted control chip 1 to wake up.Due to some radio meter register collecting device, do not need user to arrange, only allow staff to arrange, and these equipment do not have infrared communication module to only have wireless communication module, and for a long time in dormant state, therefore will cause staff under low-power consumption, to arrange it; Concrete methods of realizing is: this wireless remote transmission kilowatt meter recorder is under long-term dormant state at ordinary times, at this moment staff cannot arrange, in the time that external equipment has the object that can trigger this sensor 25 near wireless remote transmission kilowatt meter recorder, sensor 25 exporting change level, control chip 1 is interrupted and wakes up, at this moment wireless remote transmission kilowatt meter recorder enters full speed running state and opens wireless communication module, realizes communication with external device; In the time exceeding certain hour and do not receive wireless communication data, wireless communication module will enter dormant state automatically, only have sensor 25 to be again activated, and wireless remote transmission kilowatt meter recorder just can be waken up, otherwise will be for a long time in dormant state.
Please refer to shown in Fig. 7, the utlity model has the software flow pattern of the awakening method of the wireless remote transmission kilowatt meter recorder of super low-power consumption arousal function, first device power-up is initialized as step 10, after initialization success, system penetration depth dormant state is that step 11 is to ensure the low-power consumption of wireless remote transmission kilowatt meter recorder, step 12 is waken up once in the meeting per second of super low-power consumption independent operating for RTCC module 11, step 13 is for judging whether to reach the Wakeup interval time, can arrange flexibly this interval time according to actual conditions, and the longer average power consumption of setup times is lower; Can get back to step 11 if do not reached interval time, continue to enter dormancy; If reach interval time, will enter step 14 initialization " element circuit that can wake-up " hardware module, open wake-up interrupts, then enter step 15 and enter idle pulley for control chip 1; Step 16 is for carrying out overtime judgement to free time; Wake up if overtime, wireless remote transmission kilowatt meter recorder enters dormancy, overtimely carry out the triggering judgement of element circuit that can wake-up by entering step 17 if do not had, continue to get back to step 16 and carry out overtime judgement if do not triggered, if receive that trigger pip signal will enter normal operating condition, thereby realize, wireless remote transmission kilowatt meter recorder is operated and arranged, wireless remote transmission kilowatt meter recorder also has timeout mechanism as step 18, step 19 at normal operation mode, to avoid wireless remote transmission kilowatt meter recorder to work long hours below high power consumption.
Above-mentioned embodiment is just explained in detail the technical solution of the utility model; the utility model has more than and is only confined to above-described embodiment; every any improvement or replacement according to the utility model principle, all should be within protection domain of the present utility model.
Claims (4)
1. one kind has the wireless remote transmission kilowatt meter recorder of super low-power consumption arousal function, it comprises control chip (1), it is characterized in that: described control chip (1) inside is provided with and the two-way RTCC module (11) that can wake control chip (1) interval time up being connected of CPU processor; Described wireless remote transmission kilowatt meter recorder also comprise with control chip (1) two-way be connected can wake-up element circuit (2); Described element circuit (2) that can wake-up is one or the combination in any in infrared reception transtation mission circuit (21), radio-cell circuit, mechanical key element circuit, touch key-press element circuit (22) and sensor (23).
2. the wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function according to claim 1, it is characterized in that: described infrared reception transtation mission circuit (21) comprises infrared reception power control circuit (211), infrared receiving circuit (212) and infrared transtation mission circuit (213), infrared reception power control circuit (211) is connected with control chip (1) by input/output port, infrared receiving circuit (212) is connected with control chip (1) by the pin that receives data, infrared transtation mission circuit (213) is connected with control chip (1) by the pin that sends data.
3. the wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function according to claim 1, it is characterized in that: described touch key-press element circuit (22) is the element circuit of ATA2538 touch chip, touch key-press element circuit (22) use I2C bus is connected with control chip (1).
4. the wireless remote transmission kilowatt meter recorder with super low-power consumption arousal function according to claim 1, is characterized in that: described sensor (23) is connected with control chip (1) by middle fracture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891959.XU CN203870786U (en) | 2013-12-31 | 2013-12-31 | Wireless remote meter reading equipment with ultra-low-power wakeup function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891959.XU CN203870786U (en) | 2013-12-31 | 2013-12-31 | Wireless remote meter reading equipment with ultra-low-power wakeup function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870786U true CN203870786U (en) | 2014-10-08 |
Family
ID=51651714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891959.XU Expired - Lifetime CN203870786U (en) | 2013-12-31 | 2013-12-31 | Wireless remote meter reading equipment with ultra-low-power wakeup function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870786U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729995A (en) * | 2013-12-31 | 2014-04-16 | 福建智恒电子新技术有限公司 | Wireless remote-transmission meter reading device with ultralow-power-consumption awakening function and awakening method thereof |
| CN104868588A (en) * | 2015-06-13 | 2015-08-26 | 烟台东方威思顿电气股份有限公司 | AC/DC switchover and key waking control circuit for acquiring terminal of specific power transformer |
| CN109011153A (en) * | 2018-06-26 | 2018-12-18 | 电子科技大学 | A kind of low-consumption wireless electric quantity acquisition Transmission system and method for pacemaker |
| CN110673550A (en) * | 2019-09-10 | 2020-01-10 | 苏州热工研究院有限公司 | Enocean protocol-based low-energy-consumption data acquisition equipment terminal, system and debugging method |
-
2013
- 2013-12-31 CN CN201320891959.XU patent/CN203870786U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729995A (en) * | 2013-12-31 | 2014-04-16 | 福建智恒电子新技术有限公司 | Wireless remote-transmission meter reading device with ultralow-power-consumption awakening function and awakening method thereof |
| CN104868588A (en) * | 2015-06-13 | 2015-08-26 | 烟台东方威思顿电气股份有限公司 | AC/DC switchover and key waking control circuit for acquiring terminal of specific power transformer |
| CN109011153A (en) * | 2018-06-26 | 2018-12-18 | 电子科技大学 | A kind of low-consumption wireless electric quantity acquisition Transmission system and method for pacemaker |
| CN110673550A (en) * | 2019-09-10 | 2020-01-10 | 苏州热工研究院有限公司 | Enocean protocol-based low-energy-consumption data acquisition equipment terminal, system and debugging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103729995A (en) | Wireless remote-transmission meter reading device with ultralow-power-consumption awakening function and awakening method thereof | |
| CN201853186U (en) | Hand-held electronic device with whipping wake-up function | |
| CN203870786U (en) | Wireless remote meter reading equipment with ultra-low-power wakeup function | |
| JPH02284534A (en) | Optical transmitter/ receiver for portable computer | |
| CN105225316A (en) | A kind of dormancy of electron key low-power consumption power supply plan and awakening method | |
| CN201903927U (en) | Wireless remote transmission IC card intelligent gas meter | |
| CN101470689A (en) | Bidirectional sleep/wake method and device based on USB | |
| WO2022052492A1 (en) | Gas meter with program embedded in nb-iot communication module, and data processing method | |
| CN201387366Y (en) | Wireless force measuring device | |
| CN205583839U (en) | Computer integrated protection measurement and control device of transformer substation | |
| CN101938071B (en) | Energy-saving socket for printer and operating method thereof | |
| CN211454291U (en) | Light perception awakening circuit and water conservancy RTU applying same | |
| CN107918331B (en) | Low-power-consumption RS485 passive awakening device and method with isolation | |
| CN204600440U (en) | A kind of apparatus for testing body temperature and system | |
| CN201853348U (en) | Infrared remote meter reading system controlled by single chip microcomputer | |
| CN202057713U (en) | Online monitoring device for wireless lightning arrester | |
| CN206146450U (en) | Measurement system of low -power consumption | |
| CN201903954U (en) | Integrated acquisition and transfer device | |
| CN211288930U (en) | Wireless intelligent remote control valve system and heating control system | |
| CN203838781U (en) | Remote control key ring of intelligent lock | |
| CN206114048U (en) | Little consumption morning and evening tides liquid level changer | |
| CN110147255B (en) | Low-power-consumption energy-saving method for calculating accumulated time of petroleum and natural gas equipment and tools | |
| CN102353498A (en) | Low-power intelligent monitor for hydraulic pressure of pipeline and monitoring method thereof | |
| CN203732930U (en) | An energy source data acquisition terminal with two RS485 interfaces | |
| CN113660735A (en) | Self-driven wireless sensing node powered by radio frequency energy and energy management method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350009 Fujian District, Taijiang, No., No. 68 Road, Huaxing Plaza, building 3, No. five, No. 23 Patentee after: ZHIHENG TECHNOLOGY Co.,Ltd. Address before: 350009 Fujian District, Taijiang, No., No. 68 Road, Huaxing Plaza, building 3, No. five, No. 23 Patentee before: Fujian Zhiheng Electronic New Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
|
| CX01 | Expiry of patent term |