CN105160852A - Novel Bluetooth electric meter and managing method - Google Patents
Novel Bluetooth electric meter and managing method Download PDFInfo
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- CN105160852A CN105160852A CN201510555735.5A CN201510555735A CN105160852A CN 105160852 A CN105160852 A CN 105160852A CN 201510555735 A CN201510555735 A CN 201510555735A CN 105160852 A CN105160852 A CN 105160852A
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Abstract
The invention discloses a novel Bluetooth electric meter and a managing method. A system comprises an electric meter and an intelligent terminal; the electric meter is internally provided with an electric energy metering module, a first microprocessor and a Bluetooth sending module electrically connected with the first microprocessor; the first microprocessor acquires power consumption data by the electric energy metering module and sends the power consumption data to the Bluetooth sending module; the Bluetooth sending module receives the power consumption data and sends in a Bluetooth broadcast manner; a Bluetooth receiving module is arranged in the intelligent terminal, a second microprocessor electrically connected with the Bluetooth receiving module and a first display screen electrically connected with the second microprocessor; the Bluetooth receiving module receives Bluetooth broadcast sent by the Bluetooth sending module and transmits the Bluetooth broadcast to the second microprocessor, and the second microprocessor acquires the power consumption data by the Bluetooth broadcast and controls the first display screen to display the power consumption data. The trouble of manually reading the power consumption of the electric meter of a user is omitted, and the user can conveniently acquire the power consumption data of the electric meter.
Description
Technical field
The invention belongs to ammeter field, more particularly, the present invention relates to a kind of novel bluetooth ammeter and management method.
Background technology
The mode that current user obtains ammeter power consumption data mainly contains three kinds: (1) manual metering, and (2) IC-card is checked meter (3) remote automatic meter reading.In these modes, remote automatic meter reading is because the transmission of its data is accurate, save the advantages such as manpower, be used widely in the urban subscriber that ammeter is comparatively concentrated, but still there is following problem: remote meter reading needs extra to install concentrator and GPRS remote transmission device, every year need to the larger data transmission cost of telecommunications company's payment amount; Between ammeter 485 interface of remote meter reading and concentrator, Signal transmissions is because affecting reliability by electromagnetic interference (EMI).Manual metering mode affects by meter reading personnel's professional skill, surrounding enviroment etc., often there will be mistake of checking meter, registration reads difficulty, checking meter wastes time and energy and easily the problems such as security incident occur.IC-card is checked meter, and often can be difficult to carry out because the problems such as ammeter position is improper make to check meter.
Summary of the invention
The object of the invention is to: a kind of novel bluetooth ammeter and management method are provided, power consumption data is sent with the form of Bluetooth broadcast by bluetooth sending module by the first microprocessor in ammeter, Bluetooth receptions module receiving broadcasting information in intelligent terminal also obtains power consumption data, and show on intelligent terminal, be convenient to the power consumption that user reads ammeter.
In order to realize foregoing invention object, the invention provides a kind of novel bluetooth ammeter, it is characterized in that, described system comprises: ammeter and intelligent terminal;
The bluetooth sending module being provided with electric energy metering module, first microprocessor in described ammeter and being electrically connected with described first microprocessor, described first microprocessor obtains power consumption data by described electric energy metering module and described power consumption data is transferred to described bluetooth sending module, and described bluetooth sending module is received described power consumption data and sent by Bluetooth broadcast form;
The first display screen being provided with Bluetooth receptions module, the second microprocessor be electrically connected with described Bluetooth receptions module in described intelligent terminal and being electrically connected with described second microprocessor, described Bluetooth receptions module receives the Bluetooth broadcast of described bluetooth sending module transmission and described Bluetooth broadcast is transferred to described second microprocessor, and described second microprocessor obtains described power consumption data according to described Bluetooth broadcast and controls described first display screen and shows described power consumption data.
One as present system is improved, the first memory module is also provided with in described ammeter, the identity information of described ammeter is stored in described first memory module, described first memory module is electrically connected with described first microprocessor, and described power consumption data and described identity information are sent to described Bluetooth receptions module by Bluetooth broadcast form by described bluetooth sending module simultaneously.
One as present system is improved, and is equipped with the CF pin that can produce pulse signal in described electric energy metering module, and described first microprocessor obtains the pulse signal of described CF pin generation and calculates power consumption data according to described pulse signal.
One as present system is improved, detection of power loss module and band EEPROM (Electrically Erasable Programmable Read Only Memo) is also provided with in described ammeter, described first microprocessor is electrically connected with described detection of power loss module and described band EEPROM (Electrically Erasable Programmable Read Only Memo) respectively, is also provided with to be electrically connected with described first microprocessor and to be that described first microprocessor extends the farad capacitor of powering when described ammeter power-off in described ammeter.
One as present system is improved, also be provided with in described intelligent terminal for storing and add up the second memory module of power consumption data and the print module for printing power consumption data, described second memory module and print module are electrically connected with described second microprocessor respectively.
In order to realize foregoing invention object, present invention also offers a kind of management method of novel bluetooth ammeter, be applied to ammeter management system, described ammeter management system comprises ammeter and intelligent terminal, the bluetooth sending module being provided with electric energy metering module, first microprocessor in described ammeter and being electrically connected with described first microprocessor, the first display screen being provided with Bluetooth receptions module, the second microprocessor be electrically connected with described Bluetooth receptions module in described intelligent terminal and being electrically connected with described second microprocessor, it is characterized in that, described method comprises:
Described first microprocessor obtains power consumption data by described electric energy metering module, and described power consumption data is transferred to described bluetooth sending module;
After described bluetooth sending module receives described power consumption data, described power consumption data is outwards sent with Bluetooth broadcast form;
Described Bluetooth receptions module receives the Bluetooth broadcast of described bluetooth sending module transmission and described Bluetooth broadcast is transferred to described second microprocessor;
Described second microprocessor obtains described power consumption data according to described Bluetooth broadcast;
Described in described second Microprocessor S3C44B0X, the first display screen shows described power consumption data.
One as the inventive method is improved, the first memory module is also provided with in described ammeter, the identity information of described ammeter is stored in described first memory module, described first memory module is electrically connected with described first microprocessor, the step that described power consumption data outwards carries out sending with Bluetooth broadcast form is specially after described bluetooth sending module receives described power consumption data:
Described bluetooth sending module receives described power consumption data and described power consumption data and described identity information are also sent to described Bluetooth receptions module by described Bluetooth broadcast form by described identity information simultaneously.
One as the inventive method is improved, and is connected to the CF pin that can produce pulse signal in described electric energy metering module, and the method that described first microprocessor obtains described power consumption data by described electric energy metering module is:
Described first microprocessor obtains the pulse signal of described CF pin generation and calculates described power consumption data according to described pulse signal.
One as the inventive method is improved, detection of power loss module and band EEPROM (Electrically Erasable Programmable Read Only Memo) is also provided with in described ammeter, described first microprocessor is electrically connected with described detection of power loss module and described band EEPROM (Electrically Erasable Programmable Read Only Memo) respectively, also be provided with in described ammeter and be electrically connected with described first microprocessor and be that described first microprocessor extends the farad capacitor of powering when described ammeter power-off, described method also comprises:
Described detection of power loss module is when the power-off of ammeter electricity input side being detected, and described detection of power loss module sends power-off instruction to described first microprocessor;
Described power consumption data is sent to described band EEPROM (Electrically Erasable Programmable Read Only Memo) and stores by described first microprocessor after receiving described power-off instruction.
One as the inventive method is improved, also be provided with for storing and add up the second memory module of power consumption data and the print module for printing power consumption data in described intelligent terminal, described second memory module and print module are electrically connected with described second microprocessor respectively, after described in described second Microprocessor S3C44B0X, the first display screen shows described power consumption data, described method also comprises:
Described second memory module stores and adds up described power consumption data;
Described print module prints the described power consumption data that described second memory module stores and adds up.
Compared with prior art, when implementing system and method for the present invention, first microprocessor obtains power consumption data by electric energy metering module, then power consumption data is transferred to bluetooth sending module, and the form of this power consumption data by Bluetooth broadcast outwards sends by bluetooth sending module.Bluetooth receptions module in intelligent terminal receives the Bluetooth broadcast that bluetooth sending module sends, and these Bluetooth broadcast data are transferred to the second microprocessor, second microprocessor is according to this Bluetooth broadcast data acquisition power consumption data, and the first display screen that the second microprocessor controls intelligent terminal after getting this power consumption data shows power consumption data.So, both can remove the trouble that user manually removes to copy power taking table power consumption from, and extra cost can not have been produced because of data transmission again, and facilitate user to obtain the power consumption data of ammeter.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the bluetooth ammeter novel to the present invention and method and beneficial effect thereof are described in detail.
Fig. 1 is the structural representation of novel bluetooth ammeter first embodiment of the present invention;
Fig. 2 is the structural representation of novel bluetooth ammeter second embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the management method of the novel bluetooth ammeter of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.Should be understood that, the embodiment described in this instructions is only used to explain the present invention, is not intended to limit the present invention.
Embodiment one
Refer to Fig. 1, Fig. 1 is the structural representation of novel bluetooth ammeter first embodiment of the present invention.
In the embodiment of the present embodiment, this system comprises: ammeter 10 and intelligent terminal 20.The bluetooth sending module 13 being provided with electric energy metering module 11, first microprocessor 12 in this ammeter 10 and being electrically connected with first microprocessor 12, this first microprocessor 12 obtains power consumption data by electric energy metering module 11 and power consumption data is transferred to bluetooth sending module 13, and this bluetooth sending module 13 is received power consumption data and sent by Bluetooth broadcast form;
The first display screen 23 being provided with Bluetooth receptions module 21, the second microprocessor 22 be electrically connected with Bluetooth receptions module 21 in this intelligent terminal 20 and being electrically connected with the second microprocessor 22, this Bluetooth receptions module 21 receives the Bluetooth broadcast of bluetooth sending module 13 transmission and Bluetooth broadcast is transferred to the second microprocessor 22, and this second microprocessor 22 obtains power consumption data according to Bluetooth broadcast and controls the first display screen 23 and shows power consumption data.
Preferably, this bluetooth sending module 13 and Bluetooth receptions module 21 are all based on bluetooth 4.0 version; This ammeter 10 is electric energy meter; This intelligent terminal 20 is the intelligent terminal such as smart mobile phone or panel computer 20 equipment.Understandable equally, this ammeter 10 is also provided with the second display screen for showing power consumption data.
When implementing system of the present invention, first microprocessor 12 obtains power consumption data by electric energy metering module 11, then power consumption data is transferred to bluetooth sending module 13, the form of this power consumption data by Bluetooth broadcast outwards sends by bluetooth sending module 13.Bluetooth receptions module 21 in intelligent terminal 20 receives the Bluetooth broadcast that bluetooth sending module 13 sends, and these Bluetooth broadcast data are transferred to the second microprocessor 22, second microprocessor 22 is according to this Bluetooth broadcast data acquisition power consumption data, and the first display screen 23 pairs of power consumption datas that the second microprocessor 22 controls intelligent terminal 20 after getting this power consumption data show.So, both can remove the trouble that user manually removes to copy power taking table 10 power consumption from, and extra cost can not have been produced because of data transmission again, and facilitate user to obtain the power consumption data of ammeter 10.
Embodiment two
Refer to Fig. 2, Fig. 2 is the structural representation of novel bluetooth ammeter second embodiment of the present invention.The present embodiment is on the basis of the first embodiment, the first memory module 14 is also provided with in this ammeter 10, the identity information of this ammeter 10 is stored in this first memory module 14, this first memory module 14 is electrically connected with this first microprocessor 12, and this power consumption data and this identity information are sent to Bluetooth receptions module 21 by Bluetooth broadcast form by this bluetooth sending module 13 simultaneously.Intelligent terminal 20 also can obtain corresponding ammeter 10 identity information while reception power consumption data, facilitates the power consumption data of user's later stage to ammeter 10 and correspondence thereof to carry out statistic of classification.
In the present embodiment, be equipped with the CF pin that can produce pulse signal in this electric energy metering module 11, this first microprocessor 12 obtains the pulse signal of this CF pin generation and calculates power consumption data according to this pulse signal.First microprocessor 12 obtains the pulse signal of this CF pin generation and calculates power consumption data according to described pulse signal.Particularly, the master chip of this electric energy metering module 11 adopts ADE7755 electric energy computation chip, by the design of peripheral circuit, electric energy computation chip is made to be operated in the mode of operation of 3200imp/kWh, whenever consuming the electric energy of 1kWh, electric energy computation chip exports 3200 pulse signals by CF pin and delivers to first microprocessor 12, and so, the form of first microprocessor 12 namely by calculating pulse signal obtains power consumption data.
In other embodiments, can also by first microprocessor 12 be directly electrically connected with electric energy metering module 11, first microprocessor 12 directly reads the power consumption on electric energy metering module 11.
Further, power consumption data is caused to be lost for preventing unexpected power-off, detection of power loss module 15 and band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 is also provided with in this ammeter 10, this first microprocessor 12, respectively with this detection of power loss module 15 and be with EEPROM (Electrically Erasable Programmable Read Only Memo) 16 to be electrically connected, is also provided with in this ammeter 10 and is electrically connected with this first microprocessor 12 and is that this first microprocessor 12 extends the farad capacitor of powering when this ammeter 10 power-off.
Detection of power loss module 15 is when ammeter 10 electricity input side power-off being detected, this detection of power loss module 15 sends power-off instruction to first microprocessor 12, power consumption data is sent to band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 and stores by first microprocessor 12 after receiving this power-off instruction, after being again energized, power consumption data is reduced in electric energy metering module 11 by this band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 again.
Further, for ease of user's statistics and management, also be provided with in this intelligent terminal 20 for storing and add up the second memory module 24 of power consumption data and the print module 25 for printing power consumption data, this second memory module 24 and print module 25 are electrically connected with this second microprocessor 22 respectively.
Preferably, ammeter 10 power consumption can be customized obtain APP in intelligent terminal 20, this APP can write based on ios system or Android system, and user obtains power consumption data by clicking this APP startup Bluetooth receptions module 21 and carried out showing and preserving by power consumption data.
Embodiment three
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of the management method of the novel bluetooth ammeter of the present invention.
Composition graphs 1,2, in the present embodiment, the management method of this novel bluetooth ammeter is applied to above-mentioned novel bluetooth ammeter, this novel bluetooth ammeter comprises ammeter 10 and intelligent terminal 20, the bluetooth sending module 13 being provided with electric energy metering module 11, first microprocessor 12 in this ammeter 10 and being electrically connected with first microprocessor 12, the first display screen 23 being provided with Bluetooth receptions module 21, the second microprocessor 22 be electrically connected with Bluetooth receptions module 21 in this intelligent terminal 20 and being electrically connected with the second microprocessor 22.The management method of this novel bluetooth ammeter comprises:
Step S101, first microprocessor 12 obtains power consumption data by electric energy metering module 11, and this power consumption data is transferred to bluetooth sending module 13;
Step S102, outwards sends this power consumption data with Bluetooth broadcast form after bluetooth sending module 13 receives this power consumption data;
Step S103, Bluetooth receptions module 21 receives the Bluetooth broadcast of bluetooth sending module 13 transmission and Bluetooth broadcast is transferred to the second microprocessor 22;
Step S104, the second microprocessor 22 obtains power consumption data according to Bluetooth broadcast;
Step S105, the second microprocessor 22 controls the first display screen 23 and shows this power consumption data.
When implementing method of the present invention, first microprocessor 12 obtains power consumption data by electric energy metering module 11, then power consumption data is transferred to bluetooth sending module 13, the form of this power consumption data by Bluetooth broadcast outwards sends by bluetooth sending module 13.Bluetooth receptions module 21 in intelligent terminal 20 receives the Bluetooth broadcast that bluetooth sending module 13 sends, and these Bluetooth broadcast data are transferred to the second microprocessor 22, second microprocessor 22 is according to this Bluetooth broadcast data acquisition power consumption data, and the first display screen 23 pairs of power consumption datas that the second microprocessor 22 controls intelligent terminal 20 after getting this power consumption data show.So, both can remove the trouble that user manually removes to copy power taking table power consumption from, and extra cost can not have been produced because of data transmission again, and facilitate user to obtain the power consumption data of ammeter.
Further, the first memory module 14 is also provided with in this ammeter 10, the identity information of this ammeter 10 is stored in this first memory module 14, this first memory module 14 is electrically connected with this first microprocessor 12, the step that this power consumption data outwards carries out sending with Bluetooth broadcast form is specially after this bluetooth sending module 13 receives this power consumption data:
This bluetooth sending module 21 receives this power consumption data and this power consumption data and identity information are also sent to Bluetooth receptions module 21 by Bluetooth broadcast form by this identity information simultaneously.
Intelligent terminal 20 also can obtain corresponding ammeter identity information while reception power consumption data, facilitates the power consumption data of user's later stage to ammeter and correspondence thereof to carry out statistic of classification.
Further, be connected to the CF pin that can produce pulse signal in this electric energy metering module 11, the method that this first microprocessor 12 obtains power consumption data by electric energy metering module 11 is:
This first microprocessor 12 obtains the pulse signal of this CF pin generation and calculates power consumption data according to this pulse signal.
Further, power consumption data is caused to be lost for preventing unexpected power-off, detection of power loss module 15 and band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 is also provided with in this ammeter 10, this first microprocessor 12 is respectively with this detection of power loss module 15 and be with EEPROM (Electrically Erasable Programmable Read Only Memo) 16 to be electrically connected, also be provided with in this ammeter 10 and be electrically connected with this first microprocessor 12 and be that this first microprocessor 12 extends the farad capacitor of powering when this ammeter power-off, the method also comprises:
This detection of power loss module 15 is when the power-off of ammeter electricity input side being detected, and this detection of power loss module 15 sends power-off instruction to this first microprocessor;
This power consumption data is sent to this band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 and stores by this first microprocessor after receiving this power-off instruction.After being again energized, power consumption data is reduced in electric energy metering module by this band EEPROM (Electrically Erasable Programmable Read Only Memo) 16 again.
Further, also be provided with for storing and add up the second memory module 24 of power consumption data and the print module 25 for printing power consumption data in this intelligent terminal, this second memory module 24 and print module 25 are electrically connected with this second microprocessor respectively, this second microprocessor receives this power consumption data and controls after the first display screen shows this power consumption data, and the method also comprises:
This second memory module 24 stores and adds up this power consumption data;
This print module 25 prints the power consumption data that the second memory module 24 stores and adds up.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. a novel bluetooth ammeter, is characterized in that, described system comprises: ammeter and intelligent terminal;
The bluetooth sending module being provided with electric energy metering module, first microprocessor in described ammeter and being electrically connected with described first microprocessor, described first microprocessor obtains power consumption data by described electric energy metering module and described power consumption data is transferred to described bluetooth sending module, and described bluetooth sending module is received described power consumption data and sent by Bluetooth broadcast form;
The first display screen being provided with Bluetooth receptions module, the second microprocessor be electrically connected with described Bluetooth receptions module in described intelligent terminal and being electrically connected with described second microprocessor, described Bluetooth receptions module receives the Bluetooth broadcast of described bluetooth sending module transmission and described Bluetooth broadcast is transferred to described second microprocessor, and described second microprocessor obtains described power consumption data according to described Bluetooth broadcast and controls described first display screen and shows described power consumption data.
2. system according to claim 1, it is characterized in that, the first memory module is also provided with in described ammeter, the identity information of described ammeter is stored in described first memory module, described first memory module is electrically connected with described first microprocessor, and described power consumption data and described identity information are sent to described Bluetooth receptions module by Bluetooth broadcast form by described bluetooth sending module simultaneously.
3. system according to claim 1, it is characterized in that, be equipped with the CF pin that can produce pulse signal in described electric energy metering module, described first microprocessor obtains the pulse signal of described CF pin generation and calculates power consumption data according to described pulse signal.
4. system according to claim 1, it is characterized in that, detection of power loss module and band EEPROM (Electrically Erasable Programmable Read Only Memo) is also provided with in described ammeter, described first microprocessor is electrically connected with described detection of power loss module and described band EEPROM (Electrically Erasable Programmable Read Only Memo) respectively, is also provided with to be electrically connected with described first microprocessor and to be that described first microprocessor extends the farad capacitor of powering when described ammeter power-off in described ammeter.
5. system according to claim 1, it is characterized in that, also be provided with in described intelligent terminal for storing and add up the second memory module of power consumption data and the print module for printing power consumption data, described second memory module and print module are electrically connected with described second microprocessor respectively.
6. the management method of a novel bluetooth ammeter, be applied to ammeter management system, described ammeter management system comprises ammeter and intelligent terminal, the bluetooth sending module being provided with electric energy metering module, first microprocessor in described ammeter and being electrically connected with described first microprocessor, the first display screen being provided with Bluetooth receptions module, the second microprocessor be electrically connected with described Bluetooth receptions module in described intelligent terminal and being electrically connected with described second microprocessor, it is characterized in that, described method comprises:
Described first microprocessor obtains power consumption data by described electric energy metering module, and described power consumption data is transferred to described bluetooth sending module;
After described bluetooth sending module receives described power consumption data, described power consumption data is outwards sent with Bluetooth broadcast form;
Described Bluetooth receptions module receives the Bluetooth broadcast of described bluetooth sending module transmission and described Bluetooth broadcast is transferred to described second microprocessor;
Described second microprocessor obtains described power consumption data according to described Bluetooth broadcast;
Described in described second Microprocessor S3C44B0X, the first display screen shows described power consumption data.
7. method according to claim 6, it is characterized in that, the first memory module is also provided with in described ammeter, the identity information of described ammeter is stored in described first memory module, described first memory module is electrically connected with described first microprocessor, the step that described power consumption data outwards carries out sending with Bluetooth broadcast form is specially after described bluetooth sending module receives described power consumption data:
Described bluetooth sending module receives described power consumption data and described power consumption data and described identity information are also sent to described Bluetooth receptions module by described Bluetooth broadcast form by described identity information simultaneously.
8. method according to claim 6, is characterized in that, is connected to the CF pin that can produce pulse signal in described electric energy metering module, and the method that described first microprocessor obtains described power consumption data by described electric energy metering module is:
Described first microprocessor obtains the pulse signal of described CF pin generation and calculates described power consumption data according to described pulse signal.
9. method according to claim 6, it is characterized in that, detection of power loss module and band EEPROM (Electrically Erasable Programmable Read Only Memo) is also provided with in described ammeter, described first microprocessor is electrically connected with described detection of power loss module and described band EEPROM (Electrically Erasable Programmable Read Only Memo) respectively, also be provided with in described ammeter and be electrically connected with described first microprocessor and be that described first microprocessor extends the farad capacitor of powering when described ammeter power-off, described method also comprises:
Described detection of power loss module is when the power-off of ammeter electricity input side being detected, and described detection of power loss module sends power-off instruction to described first microprocessor;
Described power consumption data is sent to described band EEPROM (Electrically Erasable Programmable Read Only Memo) and stores by described first microprocessor after receiving described power-off instruction.
10. method according to claim 6, it is characterized in that, also be provided with for storing and add up the second memory module of power consumption data and the print module for printing power consumption data in described intelligent terminal, described second memory module and print module are electrically connected with described second microprocessor respectively, after described in described second Microprocessor S3C44B0X, the first display screen shows described power consumption data, described method also comprises:
Described second memory module stores and adds up described power consumption data;
Described print module prints the described power consumption data that described second memory module stores and adds up.
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| CN106792470A (en) * | 2016-12-29 | 2017-05-31 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of electric inspection process data automatic input system and method |
| CN107222831A (en) * | 2017-05-05 | 2017-09-29 | 浙江大学 | A kind of man-machine interaction type intelligent electric meter and management method based on bluetooth communication |
| CN109640307A (en) * | 2018-12-29 | 2019-04-16 | 上海肯特仪表股份有限公司 | Rapid meter reading method based on Bluetooth broadcast |
| CN110441563A (en) * | 2019-07-29 | 2019-11-12 | 中国电力科学研究院有限公司 | A kind of intelligent electric energy meter device and communication means based on Bluetooth communication |
| CN113225692A (en) * | 2021-04-21 | 2021-08-06 | 北京锐达仪表有限公司 | Instrument searching and connecting method, device, system, equipment and storage medium |
| CN115420944A (en) * | 2022-08-30 | 2022-12-02 | 江苏盛德电子仪表有限公司 | But intelligent ammeter of electric quantity analysis and inquiry based on bluetooth communication |
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| CN110441563A (en) * | 2019-07-29 | 2019-11-12 | 中国电力科学研究院有限公司 | A kind of intelligent electric energy meter device and communication means based on Bluetooth communication |
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