CN106205087B - Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line - Google Patents

Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line Download PDF

Info

Publication number
CN106205087B
CN106205087B CN201610560511.8A CN201610560511A CN106205087B CN 106205087 B CN106205087 B CN 106205087B CN 201610560511 A CN201610560511 A CN 201610560511A CN 106205087 B CN106205087 B CN 106205087B
Authority
CN
China
Prior art keywords
wireless
instrument
working state
intelligent
intelligent metering
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
Application number
CN201610560511.8A
Other languages
Chinese (zh)
Other versions
CN106205087A (en
Inventor
李克勤
李依阳
谭巍
姚婵娟
舒杰
余子奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING SHANCHENG GAS EQUIPMENT CO LTD
Original Assignee
CHONGQING SHANCHENG GAS EQUIPMENT CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING SHANCHENG GAS EQUIPMENT CO LTD filed Critical CHONGQING SHANCHENG GAS EQUIPMENT CO LTD
Priority to CN201610560511.8A priority Critical patent/CN106205087B/en
Publication of CN106205087A publication Critical patent/CN106205087A/en
Application granted granted Critical
Publication of CN106205087B publication Critical patent/CN106205087B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The invention provides an automatic detection device and a detection method for wireless transmission function of an intelligent wireless metering instrument production line. The ID number of the intelligent metering instrument to be measured in the working state is scanned by utilizing the handheld meter reading instrument or is manually input into the handheld meter reading instrument, the ID number is converted into a wireless signal by the handheld meter reading instrument and is sent to the remote transfer device, and the ID wireless signal is wirelessly transmitted to the intelligent metering instrument to be measured in the working state by the remote transfer device and is stored. The invention can realize the detection of the wireless communication capability of all meters on the production line and improve the detection efficiency and the yield.

Description

Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line
Technical Field
The invention relates to the field of metering instruments, in particular to a device for realizing automatic detection of a wireless transmission function of an intelligent metering instrument production line and a detection method thereof.
Background
At present, no process for checking the communication capacity of intelligent metering instruments (such as water meters, electric meters or gas meters) one by one exists on a production line, and the reason for checking the communication capacity is mainly that the intelligent metering instruments are very many on the production line, so that the production efficiency is improved, the intelligent metering instruments are inconvenient to be checked one by one remotely, even if a handheld meter reading instrument is adopted to input an ID number of the intelligent metering instrument, the handheld meter reading instrument and the intelligent metering instrument are in close-range 'near-to-input', and the actual communication capacity of each meter instrument cannot be measured.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide an automatic detection device and a detection method for wireless transmission function of an intelligent wireless metering instrument production line, which solve the problem that the actual communication capacity of each meter cannot be measured on the existing production line.
In order to achieve the above object, according to a first aspect of the present invention, the present invention provides an automatic detection apparatus for wireless transmission function of an intelligent wireless metering instrument production line, which includes a remote transfer apparatus, a handheld meter reading instrument and at least one intelligent metering instrument to be detected in a working state sequentially, wherein the remote transfer apparatus is respectively wirelessly connected with the handheld meter reading instrument and the intelligent metering instrument to be detected in the working state, a distance between the remote transfer apparatus and the intelligent metering instrument to be detected in the working state is L meters, and L is a positive number; an operator scans or manually inputs the ID number of the intelligent metering instrument to be measured in the working state on the handheld meter reading instrument by using the handheld meter reading instrument, the ID number is converted into a wireless signal by the handheld meter reading instrument and is sent to the remote transfer device, the ID wireless signal is wirelessly transmitted to the intelligent metering instrument to be measured in the working state by the remote transfer device, and the ID number is stored by the intelligent metering instrument to be measured in the working state.
The automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line can realize detection on the wireless communication capability of all instruments on the production line, and improves the detection efficiency and the yield.
In a preferred embodiment of the invention, the measuring device is an electricity, water, gas or heat meter. The invention has wide application range.
In another preferred embodiment of the present invention, the to-be-tested smart metering device includes a controller, and a storage module and a wireless receiving circuit respectively connected to the controller, where the wireless receiving circuit is configured to receive an ID wireless signal and transmit the ID wireless signal to the controller, and the controller transmits the ID number to the storage module to store the ID number. The invention realizes the input of the ID number while detecting the communication capability of the metering device, thereby improving the working efficiency.
In yet another preferred embodiment of the present invention, the to-be-tested smart meter further includes an alert module, the alert module is connected to the controller, and when the controller transmits the ID number to the storage module, the controller sends a control command to the alert module to control the alert module to send a prompt sound. And when the recording is successful, a prompt tone is sent out so that the operator can carry out subsequent processing.
In another preferred embodiment of the present invention, the intelligent metering device further includes a comparator, one input end of the comparator is connected to the ID wireless signal strength output end of the controller, the other input end of the comparator is connected to the threshold, the comparator receives the ID wireless information strength sent by the wireless receiving circuit and compares the ID wireless information strength with the threshold, when the ID wireless information strength is lower than the threshold, the controller controls the wireless transmitting circuit in the intelligent metering device not to operate, and does not transmit information to the wireless receiving circuit of the intelligent metering device to be measured in the operating state. Through setting up wireless signal intensity threshold value, the unqualified table utensil of filtering communication ability has improved the accuracy of inspection.
In another preferred embodiment of the present invention, a linear distance L between the remote transfer device and the intelligent metering device under test in the working state is not less than 50 meters, and the remote transfer device is allowed to pass through at least one wall during the wireless signal transmission process. The meter can still normally communicate over 50 meters, and after the meter is shipped, the meter can normally work when the meter is not used in house.
In still another preferred embodiment of the present invention, the remote transfer device includes a control unit, and a wireless transmitting circuit and a wireless receiving circuit respectively connected to the control unit, the wireless receiving circuit is wirelessly connected to the wireless transmitting circuit of the handheld meter reading device, and the wireless transmitting circuit is wirelessly connected to the wireless receiving circuit of the intelligent meter to be measured. Through setting up long-range transfer device, guarantee the wireless communication ability of accurate measurement metering device.
In another preferred embodiment of the present invention, the handheld meter reading device includes a control module, and a barcode scanner, a wireless transmitting circuit, and a liquid crystal display module that are respectively connected to the control module, where the barcode scanner is configured to scan and obtain an ID number, the control module converts the ID number into an ID wireless signal and transmits the ID wireless signal to the remote relay device through the wireless transmitting circuit, and the display module is configured to display a scanning result.
In still another preferred embodiment of the present invention, the handheld meter reading device further includes an input keyboard, and the input keyboard is connected to the control module and is configured to input and transmit the ID number to the control module.
The two modes can realize the input of the ID number, and the practicability is improved.
In order to achieve the above object, according to a second aspect of the present invention, the present invention provides a method for detecting an automatic detection device of a wireless transmission function of an intelligent wireless metering device production line, comprising the following steps:
s1, building the system of claim 1, enabling the intelligent metering instruments to be tested to be in a working state in sequence, and enabling the distance between the remote transfer device and the intelligent metering instruments to be tested in the working state to be L, wherein L is a positive number;
s2, an operator scans or manually inputs the ID number of the intelligent metering device to be measured in a working state by using the handheld meter reading instrument;
s3, the hand-held meter-reading instrument converts the ID number into a wireless signal, and a wireless transmitting circuit of the hand-held meter-reading instrument transmits the ID wireless signal to a wireless receiving circuit of the remote transfer device;
s4, a wireless transmitting circuit of the remote transfer device sends an ID wireless signal to a wireless receiving circuit of the intelligent metering instrument to be measured in a working state, the wireless receiving circuit of the intelligent metering instrument to be measured in the working state transmits the ID wireless signal to the controller, the comparator judges whether the received signal is greater than a threshold value, and if the received signal is greater than the threshold value, the controller transmits the ID number to the storage module and stores the ID number; if the current value is less than the preset value, the intelligent metering instrument to be measured in the working state is abandoned.
The detection method can realize detection of the wireless communication capability of all meters on the production line, screen out unqualified meters and improve the detection efficiency and the yield.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic block diagram of an automatic detection device for wireless transmission function of an intelligent wireless metering device production line in a preferred embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The invention provides an automatic detection device for wireless transmission function of an intelligent wireless metering instrument production line, which comprises a remote transfer device, a handheld meter reading instrument and at least one intelligent metering instrument to be detected in a working state in sequence, wherein the remote transfer device is respectively in wireless connection with the handheld meter reading instrument and the intelligent metering instrument to be detected in the working state. In this embodiment, the intelligent metering devices on the production line are sequentially in a working state, and only one intelligent metering device can be in the working state at the same time, and the intelligent metering devices can be realized by adopting a manual control switch.
In this embodiment, the smart meter to be measured is any billing meter, and may be, but is not limited to, an electric meter, a water meter, a gas meter, or a heat meter, and is preferably a gas meter.
In this embodiment, the distance between the remote transfer device and the intelligent metering device to be measured in the working state is L meters, where L is a positive number. In another preferred embodiment of the present invention, the linear distance L between the remote transfer device and the working intelligent metering device under test is not less than 50 m, and the wireless signal transmission process needs to pass through at least one wall. The meter can still normally communicate over 50 meters, and after the meter is shipped, the meter can normally work when the meter is not used in house.
In this embodiment, the handheld meter reading device includes a control module, a barcode scanner respectively connected to the control module, one or both of the input keyboards, a wireless transmitting circuit and a liquid crystal display module. The bar code scanner is used for scanning a bar code to obtain an ID number and transmitting the ID number to the control module; and the input keyboard is used for inputting and transmitting the ID number to the control module. The control module carries out analog-to-digital conversion and the like to convert the ID number into an ID wireless signal and sends the ID wireless signal to the remote transfer device through the wireless transmitting circuit, and the display module is used for displaying the scanning result and the working state of the handheld meter reading instrument. In this embodiment, the input keypad may be a mechanical keypad or a capacitive keypad.
In this embodiment, the intelligent metering device to be tested includes a controller, and a storage module and a wireless receiving circuit that are connected with the controller respectively, and the wireless receiving circuit is used for receiving ID wireless signal and transmitting to the controller, and the controller transmits the ID number to the storage module to carry out ID number storage. The invention realizes the input of the ID number while detecting the communication capability of the metering device, thereby improving the working efficiency.
In another embodiment of the present invention, the to-be-tested smart meter further includes a warning module, which may be a sound prompt module, a light prompt module or a sound and light prompt module, and may specifically adopt an existing structure. The warning module is connected with the controller, and when the controller transmits the ID number to the storage module, the controller sends a control command to the warning module and controls the warning module to send out prompt sound.
In another preferred embodiment of the present invention, the smart meter further comprises a comparator, one input terminal of the comparator is connected to the ID wireless signal strength output terminal of the controller, and the other input terminal is connected to the threshold value. The controller receives the ID wireless signal and judges the signal intensity, and the specific method can adopt the existing method and device for judging the signal intensity by a mobile phone or a computer and the like.
The comparator receives the ID wireless information intensity sent by the wireless receiving circuit and compares the ID wireless information intensity with the threshold, and when the ID wireless information intensity is lower than the threshold, the controller controls the wireless transmitting circuit in the intelligent metering instrument not to work and does not transmit information to the wireless receiving circuit of the intelligent metering instrument to be measured in the working state. Through setting up wireless signal intensity threshold value, the unqualified table utensil of filtering communication ability has improved the accuracy of inspection.
In this embodiment, the remote transfer device includes a control unit, and a wireless transmitting circuit and a wireless receiving circuit that are connected to the control unit, respectively, where the wireless receiving circuit is wirelessly connected to the wireless transmitting circuit of the handheld meter reading device, and the wireless transmitting circuit is wirelessly connected to the wireless receiving circuit of the intelligent meter to be measured. Through setting up long-range transfer device, guarantee the wireless communication ability of accurate measurement metering device.
During detection, an operator scans or manually inputs an ID number of the intelligent metering instrument to be detected in a working state on the handheld meter reading instrument, the ID number is converted into a wireless signal by the handheld meter reading instrument and is sent to the remote transfer device, the ID wireless signal is wirelessly transmitted to the intelligent metering instrument to be detected in the working state by the remote transfer device, and the ID number is stored by the intelligent metering instrument to be detected in the working state.
The automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line can realize detection on the wireless communication capability of all instruments on the production line, and improves the detection efficiency and the yield.
The invention also provides a detection method of the automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line, which comprises the following steps:
s1, the automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line is built, the intelligent metering instruments to be detected are sequentially in a working state, and the distance between the remote transfer device and the intelligent metering instruments to be detected in the working state is L, wherein L is a positive number. Specifically, the wireless transmission distance is set according to the requirement of the metering device.
And S2, the operator uses the handheld meter reading device to scan or manually input the ID number of the intelligent metering device to be measured in the working state.
And S3, the handheld meter-reading instrument converts the ID number into a wireless signal, and a wireless transmitting circuit of the handheld meter-reading instrument transmits the ID wireless signal to a wireless receiving circuit of the remote transfer device.
S4, a wireless transmitting circuit of the remote transfer device sends an ID wireless signal to a wireless receiving circuit of the intelligent metering instrument to be measured in a working state, the wireless receiving circuit of the intelligent metering instrument to be measured in the working state transmits the ID wireless signal to the controller, the comparator judges whether the received signal is greater than a threshold value, and if the received signal is greater than the threshold value, the controller transmits the ID number to the storage module and stores the ID number; if the current value is less than the preset value, the intelligent metering instrument to be measured in the working state is abandoned.
The operation of the hardware of the control method of the present invention is discussed in detail when the automatic detection device for wireless transmission function of the intelligent wireless metering instrument production line is introduced, and the detailed contents can refer to the contents introduced above and are not repeated herein.
The detection method can realize detection of the wireless communication capability of all meters on the production line, screen out unqualified meters and improve the detection efficiency and the yield.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (2)

1. The automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line is characterized by comprising a remote transfer device, a handheld meter reading instrument and at least one intelligent metering instrument to be detected, wherein the intelligent metering instrument to be detected is sequentially in a working state;
an operator scans or manually inputs an ID number of the intelligent metering instrument to be measured in a working state on the handheld meter reading instrument by using the handheld meter reading instrument, the ID number is converted into a wireless signal by the handheld meter reading instrument and is sent to the remote transfer device, the remote transfer device wirelessly transmits the ID wireless signal to the intelligent metering instrument to be measured in the working state for L meters, and the intelligent metering instrument to be measured in the working state stores the ID number;
the metering instrument is an electric meter, a water meter, a gas meter or a heat meter;
the intelligent metering device to be tested comprises a controller, and a storage module and a wireless receiving circuit which are respectively connected with the controller, wherein the wireless receiving circuit is used for receiving ID wireless signals and transmitting the ID wireless signals to the controller, and the controller transmits ID numbers to the storage module for ID number storage;
the intelligent metering device to be tested also comprises a warning module, the warning module is connected with the controller, and when the controller transmits the ID number to the storage module, the controller sends a control command to the warning module and controls the warning module to send out a prompt sound;
the intelligent metering device also comprises a comparator, one input end of the comparator is connected with the ID wireless signal intensity output end of the controller, the other input end of the comparator is connected with the threshold, the comparator receives the ID wireless information intensity sent by the wireless receiving circuit and compares the ID wireless information intensity with the threshold, the comparator judges whether the received signal is greater than the threshold, and if the received signal is greater than the threshold, the controller transmits the ID number to the storage module and stores the ID number; if the current value is less than the preset value, abandoning the intelligent metering instrument to be measured in the working state;
the linear distance L between the remote transfer device and the intelligent metering instrument to be measured in the working state is not less than 50 meters, and the wireless signal at least passes through a wall in the transmission process;
the remote transfer device comprises a control unit, a wireless transmitting circuit and a wireless receiving circuit, wherein the wireless transmitting circuit and the wireless receiving circuit are respectively connected with the control unit;
the handheld meter reading instrument comprises a control module, and a bar code scanner, a wireless transmitting circuit and a liquid crystal display module which are respectively connected with the control module, wherein the bar code scanner is used for scanning to obtain an ID number, the control module converts the ID number into an ID wireless signal and transmits the ID wireless signal to the remote transfer device through the wireless transmitting circuit, and the display module is used for displaying a scanning result;
the handheld meter reading instrument further comprises an input keyboard, and the input keyboard is connected with the control module and used for inputting and transmitting the ID number to the control module.
2. The detection method of the automatic detection device for the wireless transmission function of the intelligent wireless metering instrument production line, which is characterized by comprising the following steps:
s1, setting up the device of claim 1, enabling the intelligent metering devices to be tested to be in a working state in sequence, enabling the distance between the remote transfer device and the intelligent metering devices to be tested in the working state to be L, wherein L is a positive number and is not less than 50 m, and enabling the wireless signal to pass through at least one wall in the transmission process;
s2, an operator scans or manually inputs the ID number of the intelligent metering device to be measured in a working state by using the handheld meter reading instrument;
s3, the hand-held meter-reading instrument converts the ID number into a wireless signal, and a wireless transmitting circuit of the hand-held meter-reading instrument transmits the ID wireless signal to a wireless receiving circuit of the remote transfer device;
s4, a wireless transmitting circuit of the remote transfer device sends an ID wireless signal to a wireless receiving circuit of the intelligent metering instrument to be measured in a working state, the wireless receiving circuit of the intelligent metering instrument to be measured in the working state transmits the ID wireless signal to the controller, the comparator judges whether the received signal is greater than a threshold value, and if the received signal is greater than the threshold value, the controller transmits the ID number to the storage module and stores the ID number; if the current value is less than the preset value, the intelligent metering instrument to be measured in the working state is abandoned.
CN201610560511.8A 2016-07-15 2016-07-15 Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line Active CN106205087B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610560511.8A CN106205087B (en) 2016-07-15 2016-07-15 Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610560511.8A CN106205087B (en) 2016-07-15 2016-07-15 Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line

Publications (2)

Publication Number Publication Date
CN106205087A CN106205087A (en) 2016-12-07
CN106205087B true CN106205087B (en) 2020-04-07

Family

ID=57474807

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610560511.8A Active CN106205087B (en) 2016-07-15 2016-07-15 Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line

Country Status (1)

Country Link
CN (1) CN106205087B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788621A (en) * 2010-03-19 2010-07-28 北京经纬恒润科技有限公司 Off-line detecting equipment for automobile electrical appliance system of automobile production line
CN102291479A (en) * 2011-08-09 2011-12-21 青岛海信移动通信技术股份有限公司 Terminal function detection method and terminal

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008072518A (en) * 2006-09-14 2008-03-27 Sharp Corp Wireless apparatus for automatic meter reading system
CN100565468C (en) * 2007-01-29 2009-12-02 广达电脑股份有限公司 The pick-up unit of low power consumption rate wireless transmission quality capability and computer installation thereof
CN101299684B (en) * 2007-04-30 2012-05-30 海尔集团公司 Apparatus for detecting network household electric equipment communication function
CN102075273A (en) * 2011-01-27 2011-05-25 重庆吉檀电子科技有限责任公司 Carrier communication test instrument
TWI453693B (en) * 2011-12-16 2014-09-21 Universal Scient Ind Shanghai Method for automatically testing communication functionality of device under test and computer-readable media thereof
CN103560847B (en) * 2013-11-21 2015-06-10 天津七一二通信广播有限公司 Method for testing large triangle communication function through portable railway handheld platforms
CN104104456B (en) * 2014-05-26 2017-01-04 许任阳 A kind of low-voltage collecting meter reading communication check device
CN105553573B (en) * 2014-10-28 2019-01-29 佛山市顺德区美的电热电器制造有限公司 Communication module group detection system and detection device
CN104361730B (en) * 2014-10-29 2017-09-12 梁永富 The data communication system and transfer approach of intelligent metering instrument
CN204948084U (en) * 2015-06-26 2016-01-06 深圳市国电科技通信有限公司 A kind of micropower wireless communication module automatic batch detection system
CN105763376B (en) * 2016-04-07 2018-09-14 威胜集团有限公司 Parameter setting and detection method for electric energy meter batch production
CN205959388U (en) * 2016-07-15 2017-02-15 重庆人文科技学院 Wireless metering device production line wireless transmission function automatic checkout device of intelligence

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101788621A (en) * 2010-03-19 2010-07-28 北京经纬恒润科技有限公司 Off-line detecting equipment for automobile electrical appliance system of automobile production line
CN102291479A (en) * 2011-08-09 2011-12-21 青岛海信移动通信技术股份有限公司 Terminal function detection method and terminal

Also Published As

Publication number Publication date
CN106205087A (en) 2016-12-07

Similar Documents

Publication Publication Date Title
CN102236056A (en) System and method for detecting insulator
EP3291093A1 (en) Temperature data processing method and system
CN102928711A (en) Broadband synchronous online measurement system for conductive electromagnetic disturbance of engineering machinery
CN106205087B (en) Automatic detection device and detection method for wireless transmission function of intelligent wireless metering instrument production line
CN206804853U (en) current transformer oil level monitoring device
CN210927638U (en) Wireless terminal signal testing device
CN210578580U (en) Wireless signal testing device
CN105241368A (en) Automatic detection instrument for thickness of floor
CN205959388U (en) Wireless metering device production line wireless transmission function automatic checkout device of intelligence
JP2015095265A (en) Method for testing wireless output of smart device and wireless transmission network analysis tool
CN115629278A (en) Switch cabinet insulation state detection device and method
CN112834845B (en) Method for testing current sensitivity of locomotive signal equipment
CN204948084U (en) A kind of micropower wireless communication module automatic batch detection system
CN208672497U (en) Oil-immersed transformer insulation ag(e)ing detection system
CN103278300A (en) Non-contact bridge deflection sensor
CN210895121U (en) Automobile diagnosis equipment and system
CN210015173U (en) Blood glucose meter detection device
CN104655188A (en) Intelligent tour inspection instrument of urban gas valve well
KR101451700B1 (en) Sensor module and system for measuring atmospheric environment
CN112946556A (en) Electric energy metering accuracy on-site calibration instrument and method
CN213397156U (en) Gas electrification detection equipment with equipment identification function
CN204405646U (en) Gas valve pit methane concentration detection device
CN219802338U (en) Antenna coupling test system for improving production test stability
CN1162012C (en) Wired TV network equipment radio detection method
CN212207504U (en) Automatic frequency measuring equipment for magnetron tube core

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant