CN106125653A - The double switching signal harvester of a kind of temperature control - Google Patents
The double switching signal harvester of a kind of temperature control Download PDFInfo
- Publication number
- CN106125653A CN106125653A CN201610731345.3A CN201610731345A CN106125653A CN 106125653 A CN106125653 A CN 106125653A CN 201610731345 A CN201610731345 A CN 201610731345A CN 106125653 A CN106125653 A CN 106125653A
- Authority
- CN
- China
- Prior art keywords
- signal
- signal acquisition
- processing apparatus
- outfan
- input
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
- Feedback Control In General (AREA)
Abstract
The present invention relates to the double switching signal harvester of a kind of temperature control, improve for existing signal picker structure, introduce dual signal acquisition process framework, use the first signal acquisition and processing apparatus (6) and secondary signal acquisition processing device (7), based on being respectively directed to the first signal acquisition and processing apparatus (6), the real time temperature detection of secondary signal acquisition processing device (7), by carrying out Based Intelligent Control for designed automatically controlled alternative output switch (11), realize the intelligence switching of the first signal acquisition and processing apparatus (6) and secondary signal acquisition processing device (7), signal acquisition process service behaviour can be effectively improved.
Description
Technical field
The present invention relates to the double switching signal harvester of a kind of temperature control, belong to signal picker technical field.
Background technology
Data acquisition (DAQ), refers to automatically gather non-electrical from the analog-and digital-unit under test such as sensor, Devices to test
Amount or electric quantity signal, deliver to be analyzed in host computer, processes；Along with the development of science and technology level, data acquisition
Become requisite ingredient during the intelligent network such as Internet of Things is built, and a large amount of with terminal units such as sensors
Application, signal picker arises at the historic moment, and signal picker is mainly used in receiving collection signal, and carries out successively for gathering signal
Amplify, filtering etc. optimization processes, and then will export to host computer again and carries out subsequent treatment through processing the signal of operation；But
Signal picker of the prior art, in actual application, there is also place the most not fully up to expectations, it is well known that electricity
Road components and parts work can produce substantial amounts of heat, and heat is the significant problem affecting circuit components service behaviour, too high
Temperature influence whether the service behaviour of power supply components and parts, how to carry out the temperature control that dispels the heat, always concomitant circuit components and parts development
The problem that can not evade.
Summary of the invention
The technical problem to be solved is to provide one and improves for existing signal picker structure, introduces
Dual signal acquisition process framework, based on temperature detection, it is achieved intelligent scheduling, it is possible to be effectively improved signal acquisition process service behaviour
The double switching signal harvester of temperature control.
The present invention is to solve above-mentioned technical problem by the following technical solutions: the present invention devises the double switching of a kind of temperature control
Signal picker, including power interface, power module, signal access interface, signal output interface, box body, the first signals collecting
Processing means, wherein, power interface, signal access interface and signal output interface are separately positioned on box surface, power module
It is fixedly installed on tray interior, the input phase of the outfan of power interface and power module with the first signal acquisition and processing apparatus
Connecting, the outfan of signal access interface and the input of the first signal acquisition and processing apparatus are connected, at the first signals collecting
The outfan of reason device is connected with the input of signal output interface；Also include secondary signal acquisition processing device, control mould
Block, and be connected with control module respectively the first temperature sensor, the second temperature sensor, automatically controlled alternative output open
Closing, wherein, secondary signal acquisition processing device and automatically controlled alternative output switch are fixedly installed on tray interior, and signal connects
The outfan of mouth is connected with the input of secondary signal acquisition processing device simultaneously, the output of secondary signal acquisition processing device
End is connected with the input of signal output interface；The outfan of power module exports with control module, automatically controlled alternative respectively
Switch input be connected, two outfans of automatically controlled alternative output switch respectively with the first signal acquisition and processing apparatus
Power taking end, the power taking end of secondary signal acquisition processing device are connected；First temperature sensor, the second temperature sensor set respectively
Put on the first signal acquisition and processing apparatus, on secondary signal acquisition processing device.
As a preferred technical solution of the present invention: at described first signal acquisition and processing apparatus, secondary signal collection
Reason device all includes circuit board, and setting is sequentially connected D/A converting circuit, amplifying circuit and the signal connect on circuit boards
Filter circuit, wherein, the outfan of described signal access interface is electric with digital-to-analogue conversion in the first signal acquisition and processing apparatus respectively
In the input on road, secondary signal acquisition processing device, the input of D/A converting circuit is connected, the first signal acquisition process
In device in the outfan of signal filter circuit, secondary signal acquisition processing device the outfan of signal filter circuit respectively with letter
The input of number output interface is connected.
As a preferred technical solution of the present invention: described box body is that aluminum is made.
As a preferred technical solution of the present invention: described control module is microprocessor.
As a preferred technical solution of the present invention: described microprocessor is arm processor.
The double switching signal harvester of a kind of temperature control of the present invention uses above technical scheme compared with prior art, has
Techniques below effect:
(1) the double switching signal harvester of the temperature control of present invention design, improves for existing signal picker structure, introduces double
Signal acquisition process framework, uses the first signal acquisition and processing apparatus and secondary signal acquisition processing device, based on being respectively directed to
First signal acquisition and processing apparatus, the real time temperature detection of secondary signal acquisition processing device, by for designed automatically controlled
Alternative output switch carries out Based Intelligent Control, it is achieved the first signal acquisition and processing apparatus and the intelligence of secondary signal acquisition processing device
Can switch, it is possible to be effectively improved signal acquisition process service behaviour；
(2), in the double switching signal harvester of the temperature control of present invention design, adopt for the first signal acquisition and processing apparatus, secondary signal
Collection processing means, further design all includes circuit board, and arrange be sequentially connected on circuit boards connect D/A converting circuit,
Amplifying circuit and signal filter circuit, wherein, the outfan of described signal access interface fills with the first signal acquisition process respectively
Put the input of D/A converting circuit in the input of D/A converting circuit, secondary signal acquisition processing device to be connected, the
Signal filter circuit in the outfan of signal filter circuit, secondary signal acquisition processing device in one signal acquisition and processing apparatus
Outfan is connected with the input of signal output interface respectively, so, provides more accurately, more for signal collected
Stable data acquisition method；
(3), in the double switching signal harvester of the temperature control of present invention design, for box body, adopt aluminum further and make, on the one hand
The flintiness of shell can be improved, realize more safe and stable protection for interior arrangement, on the other hand can be effectively improved
The double switching signal harvester radiating effect in actual application of designed temperature control, is effectively ensured stablizing of real work
Property；
(4), in the double switching signal harvester of the temperature control of present invention design, for control module, micro-process it is designed with further
Device, on the one hand can be applicable to the later stage extension demand for the double switching signal harvester of designed temperature control, on the other hand, succinctly
Control architecture mode and can be easy to the maintenance in later stage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the double switching signal harvester of temperature control designed by the present invention.
Wherein, 1. power interface, 2. power module, 3. signal access interface, 4. signal output interface, 5. box body,
6. the first signal acquisition and processing apparatus, 7. secondary signal acquisition processing device, 8. control module, 9. the first temperature sensing
Device, 10. the second temperature sensor, 11. automatically controlled alternative output switchs.
Detailed description of the invention
Below in conjunction with Figure of description, the detailed description of the invention of the present invention is described in further detail.
As it is shown in figure 1, the present invention devises the double switching signal harvester of a kind of temperature control, including power interface 1, power module
2, signal access interface 3, signal output interface 4, box body the 5, first signal acquisition and processing apparatus 6, wherein, power interface 1, signal
Access interface 3 and signal output interface 4 are separately positioned on box body 5 surface, power module 2 and the first signal acquisition and processing apparatus 6
Being fixedly installed on box body 5 internal, the outfan of power interface 1 is connected with the input of power module 2, signal access interface 3
Outfan and the input of the first signal acquisition and processing apparatus 6 be connected, the outfan of the first signal acquisition and processing apparatus 6 with
The input of signal output interface 4 is connected；Also include secondary signal acquisition processing device 7, control module 8, and respectively with
First temperature sensor the 9, second temperature sensor 10 that control module 8 is connected, automatically controlled alternative output switch 11, wherein,
It is internal that secondary signal acquisition processing device 7 and automatically controlled alternative output switch 11 are fixedly installed on box body 5, signal access interface 3
Outfan be connected with the input of secondary signal acquisition processing device 7 simultaneously, the output of secondary signal acquisition processing device 7
End is connected with the input of signal output interface 4；The outfan of power module 2 is defeated with control module 8, automatically controlled alternative respectively
Go out switch 11 input be connected, two outfans of automatically controlled alternative output switch 11 respectively with the first signal acquisition process
The power taking end of device 6, the power taking end of secondary signal acquisition processing device 7 are connected；First temperature sensor the 9, second temperature passes
Sensor 10 is separately positioned on the first signal acquisition and processing apparatus 6, on secondary signal acquisition processing device 7.Technique scheme
The double switching signal harvester of designed temperature control, improves for existing signal picker structure, introduces at dual signal collection
Reason framework, uses the first signal acquisition and processing apparatus 6 and secondary signal acquisition processing device 7, based on being respectively directed to the first signal
Acquisition processing device 6, the real time temperature detection of secondary signal acquisition processing device 7, by for designed automatically controlled alternative
Output switch 11 carries out Based Intelligent Control, it is achieved the first signal acquisition and processing apparatus 6 and the intelligence of secondary signal acquisition processing device 7
Switching, it is possible to be effectively improved signal acquisition process service behaviour.
On basis based on the double switching signal harvester technical scheme of above-mentioned design temperature control, present invention design the most further
Following optimal technical scheme: for the first signal acquisition and processing apparatus 6, secondary signal acquisition processing device 7, design further
All include circuit board, and setting is sequentially connected D/A converting circuit, amplifying circuit and the signal filtering electricity connect on circuit boards
Road, wherein, the outfan of described signal access interface 3 respectively with D/A converting circuit in the first signal acquisition and processing apparatus 6
In input, secondary signal acquisition processing device 7, the input of D/A converting circuit is connected, the first signal acquisition and processing apparatus
In 6 in the outfan of signal filter circuit, secondary signal acquisition processing device 7 outfan of signal filter circuit respectively with signal
The input of output interface 4 is connected, and so, for signal collected providing more accurately, more stable data obtain
Method；Also have for box body 5, adopt aluminum further and make, on the one hand can improve the flintiness of shell, for interior arrangement
Realize more safe and stable protection, on the other hand can be effectively improved the double switching signal harvester of designed temperature control in reality
Radiating effect in application process, is effectively ensured the stability of real work；Moreover, for control module 8, set further
Meter uses in microprocessor, and actual application, and microprocessor uses arm processor, on the one hand can be applicable to the later stage for
The extension demand of the double switching signal harvester of designed temperature control, on the other hand, succinct control architecture mode can be easy to the later stage
Maintenance.
The present invention devises the double switching signal harvester of temperature control in the middle of actual application, specifically include power interface 1,
Power module 2, signal access interface 3, signal output interface 4, box body the 5, first signal acquisition and processing apparatus 6, wherein, box body 5
Making for aluminum, power interface 1, signal access interface 3 and signal output interface 4 are separately positioned on box body 5 surface, power supply mould
It is internal that block 2 and the first signal acquisition and processing apparatus 6 are fixedly installed on box body 5, the outfan of power interface 1 and power module 2
Input is connected, and the outfan of signal access interface 3 and the input of the first signal acquisition and processing apparatus 6 are connected, and first
The outfan of signal acquisition and processing apparatus 6 is connected with the input of signal output interface 4；Also include secondary signal acquisition process
Device 7, arm processor, and be connected with arm processor respectively first temperature sensor the 9, second temperature sensor 10,
Automatically controlled alternative output switch 11, wherein, secondary signal acquisition processing device 7 and automatically controlled alternative output switch 11 are fixedly installed
Inside box body 5, the outfan of signal access interface 3 is connected with the input of secondary signal acquisition processing device 7 simultaneously, the
The outfan of binary signal acquisition processing device 7 is connected with the input of signal output interface 4；The outfan of power module 2 divides
Not being connected with the input of arm processor, automatically controlled alternative output switch 11, two of automatically controlled alternative output switch 11 defeated
Go out end to be connected with the power taking end of the first signal acquisition and processing apparatus 6, the power taking end of secondary signal acquisition processing device 7 respectively；
First temperature sensor the 9, second temperature sensor 10 is separately positioned on the first signal acquisition and processing apparatus 6, secondary signal is adopted
In collection processing means 7.In actual application, for the first signal acquisition and processing apparatus 6, secondary signal acquisition processing device 7, permissible
Having various structures design, such as the first signal acquisition and processing apparatus 6, secondary signal acquisition processing device 7 all include circuit board,
And setting is sequentially connected D/A converting circuit, amplifying circuit and the signal filter circuit connect on circuit boards, wherein, signal connects
The outfan of incoming interface 3 respectively with the input of D/A converting circuit, secondary signal collection in the first signal acquisition and processing apparatus 6
In processing means 7, the input of D/A converting circuit is connected, and in the first signal acquisition and processing apparatus 6, signal filter circuit is defeated
Go out end, in secondary signal acquisition processing device 7 outfan of signal filter circuit respectively with the input phase of signal output interface 4
Connect.In the middle of actual application, the first external supply network of power interface 1 carries out power taking, and supplies to power module 2
Electricity, signal access interface 3 outer signal acquisition terminal, signal output interface 4 is connected with host computer；Then actual application
In, the first automatically controlled alternative output switch 11 of arm processor control connects wherein any one outfan, the most optional first signal
In acquisition processing device 6, secondary signal acquisition processing device 7 one, connects power supply circuits between itself and power module 2, this
Time, power module 2 is powered just for now selected signal acquisition and processing apparatus, and outer signal acquisition terminal will gather
Signal is delivered to this signal acquisition and processing apparatus through signal access interface 3 and processes, and then this signal acquisition and processing apparatus will
The signal processed is delivered to host computer by signal output interface 4, and meanwhile, arm processor real-time reception the first temperature passes
First temperature acquisition result of sensor 9 and the second temperature acquisition result of the second temperature sensor 10, and adopt for the first temperature
Collection result and the second temperature acquisition result compare, in real time between the first temperature acquisition result and the second temperature acquisition result
Difference more than or equal to temperature threshold time, then arm processor control automatically controlled alternative output switch 11 connect another output
End, i.e. disconnects the signal acquisition and processing apparatus worked, connects between another signal acquisition and processing apparatus and power module 2
Power supply circuits, are powered for this signal acquisition and processing apparatus by power module 2, it is achieved collection is believed by outer signal acquisition terminal
Number through signal access interface 3 to this signal acquisition and processing apparatus, then by this signal acquisition and processing apparatus via signal output interface 4
Being delivered to the work process of host computer, such arm processor realizes real-time intelligent detection, the operation element process of intelligence switching,
Realize the actual application of the double switching signal harvester of temperature control designed by the present invention.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from present inventive concept
Make a variety of changes.
Claims (5)
1. the double switching signal harvester of temperature control, including power interface (1), power module (2), signal access interface (3), letter
Number output interface (4), box body (5), the first signal acquisition and processing apparatus (6), wherein, power interface (1), signal access interface
And signal output interface (4) is separately positioned on box body (5) surface, power module (2) and the first signal acquisition and processing apparatus (3)
(6) being fixedly installed on box body (5) internal, the outfan of power interface (1) is connected with the input of power module (2), signal
The outfan of access interface (3) and the input of the first signal acquisition and processing apparatus (6) are connected, the first signal acquisition process dress
The input of the outfan and signal output interface (4) of putting (6) is connected；It is characterized in that: also include at secondary signal collection
Reason device (7), control module (8), and be connected with control module (8) respectively the first temperature sensor (9), the second temperature
Sensor (10), automatically controlled alternative output switch (11), wherein,
It is internal that secondary signal acquisition processing device (7) and automatically controlled alternative output switch (11) are fixedly installed on box body (5), signal
The outfan of access interface (3) is connected, at secondary signal collection with the input of secondary signal acquisition processing device (7) simultaneously
The outfan of reason device (7) is connected with the input of signal output interface (4)；The outfan of power module (2) respectively with control
Molding block (8), the input of automatically controlled alternative output switch (11) are connected, and two of automatically controlled alternative output switch (11) defeated
Go out end to be connected with power taking end, the power taking end of secondary signal acquisition processing device (7) of the first signal acquisition and processing apparatus (6) respectively
Connect；First temperature sensor (9), the second temperature sensor (10) be separately positioned on the first signal acquisition and processing apparatus (6) upper, the
On binary signal acquisition processing device (7).
The double switching signal harvester of a kind of temperature control, it is characterised in that: at described first signals collecting
Reason device (6), secondary signal acquisition processing device (7) all include circuit board, and arrange to be sequentially connected on circuit boards and connect
D/A converting circuit, amplifying circuit and signal filter circuit, wherein, the outfan of described signal access interface (3) is respectively with
Digital-to-analogue conversion in the input of D/A converting circuit, secondary signal acquisition processing device (7) in one signal acquisition and processing apparatus (6)
The input of circuit is connected, the outfan of signal filter circuit, secondary signal collection in the first signal acquisition and processing apparatus (6)
In processing means (7), the outfan of signal filter circuit input with signal output interface (4) respectively is connected.
The double switching signal harvester of a kind of temperature control, it is characterised in that: described box body (5) is aluminium
Material is made.
The double switching signal harvester of a kind of temperature control, it is characterised in that: described control module (8) is
Microprocessor.
The double switching signal harvester of a kind of temperature control, it is characterised in that: described microprocessor is ARM
Processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731345.3A CN106125653B (en) | 2016-08-26 | 2016-08-26 | A kind of double switching signal collectors of temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731345.3A CN106125653B (en) | 2016-08-26 | 2016-08-26 | A kind of double switching signal collectors of temperature control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106125653A true CN106125653A (en) | 2016-11-16 |
| CN106125653B CN106125653B (en) | 2018-08-28 |
Family
ID=57274551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731345.3A Active CN106125653B (en) | 2016-08-26 | 2016-08-26 | A kind of double switching signal collectors of temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106125653B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005011194A (en) * | 2003-06-20 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Radio data collecting device |
| CN201489534U (en) * | 2009-04-21 | 2010-05-26 | 西安迅腾科技有限责任公司 | Data acquisition transmission instrument adaptable to various on-line monitoring systems |
| JP5119828B2 (en) * | 2007-09-25 | 2013-01-16 | 株式会社デンソー | Timing adjustment device |
| CN202793426U (en) * | 2012-08-30 | 2013-03-13 | 北京经纬恒润科技有限公司 | Signal acquisition processing circuit, sensor and signal acquisition processing system |
| CN103368226A (en) * | 2012-03-30 | 2013-10-23 | 罗伯特·博世有限公司 | Electric device and method for operating an electric drive |
| CN103984250A (en) * | 2014-04-28 | 2014-08-13 | 广东电网公司中山供电局 | Multi-gear resistance output device and detecting system |
| CN104467619A (en) * | 2013-09-20 | 2015-03-25 | 株式会社电装 | Motor control apparatus |
| CN205983135U (en) * | 2016-08-26 | 2017-02-22 | 苏州盖恩茨电子科技有限公司 | Control by temperature change bitangent trades signal collector |
-
2016
- 2016-08-26 CN CN201610731345.3A patent/CN106125653B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005011194A (en) * | 2003-06-20 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Radio data collecting device |
| JP5119828B2 (en) * | 2007-09-25 | 2013-01-16 | 株式会社デンソー | Timing adjustment device |
| CN201489534U (en) * | 2009-04-21 | 2010-05-26 | 西安迅腾科技有限责任公司 | Data acquisition transmission instrument adaptable to various on-line monitoring systems |
| CN103368226A (en) * | 2012-03-30 | 2013-10-23 | 罗伯特·博世有限公司 | Electric device and method for operating an electric drive |
| CN202793426U (en) * | 2012-08-30 | 2013-03-13 | 北京经纬恒润科技有限公司 | Signal acquisition processing circuit, sensor and signal acquisition processing system |
| CN104467619A (en) * | 2013-09-20 | 2015-03-25 | 株式会社电装 | Motor control apparatus |
| CN103984250A (en) * | 2014-04-28 | 2014-08-13 | 广东电网公司中山供电局 | Multi-gear resistance output device and detecting system |
| CN205983135U (en) * | 2016-08-26 | 2017-02-22 | 苏州盖恩茨电子科技有限公司 | Control by temperature change bitangent trades signal collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106125653B (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204301877U (en) | A kind of multi-channel digital temperature acquisition system | |
| CN106154956A (en) | A kind of intelligent electric-controlled drive-type temperature control simple two-way signal harvester | |
| CN202084168U (en) | Energy consumption data acquisition device | |
| CN106154955B (en) | A kind of two-way filtering temperature control detection switching signal collector | |
| CN205983135U (en) | Control by temperature change bitangent trades signal collector | |
| CN106125653A (en) | The double switching signal harvester of a kind of temperature control | |
| CN205983136U (en) | Double - circuit filtering control by temperature change detects switching signal collector | |
| CN203502471U (en) | Integrated electrical parameter detection circuit for monitoring terminal | |
| CN106094667B (en) | A kind of bilateral signal picker of Intelligent fixed time | |
| CN206400028U (en) | A kind of controller of automatic test electrical parameter | |
| CN202995341U (en) | A signal collection device for digital values and analog values | |
| CN207472958U (en) | Power consumption self-diagnostic circuit and the measuring instrument for including the power consumption self-diagnostic circuit | |
| CN206147319U (en) | Automatically controlled drive formula control by temperature change double - circuit signal collector of intelligence | |
| CN205983103U (en) | Energy -conserving signal collector of formula is triggered at terminal | |
| CN203942295U (en) | A kind of power distribution network wind power plant and the photovoltaic power generation equipment conditioning unit of exerting oneself | |
| CN105203152B (en) | A kind of photovoltaic power generation equipment failure risk exponential forecasting device and Forecasting Methodology | |
| CN103529266A (en) | Integrated electrical parameter detection circuit for monitoring terminal | |
| CN105305500B (en) | A kind of power distribution network wind power plant and photovoltaic power generation equipment output conditioning unit and output coordination approach | |
| CN203837724U (en) | Adjusting module of acquired signal in monitoring system of electric transmission line | |
| CN203941443U (en) | A kind of power distribution network hydropower and energy storage device conditioning unit | |
| CN203840298U (en) | Acquisition signal shaping module in transmission line monitoring system | |
| CN204559245U (en) | A kind of distribution terminal system | |
| CN106227101A (en) | A kind of intelligent terminal's matched safety signal harvester | |
| CN203941251U (en) | A kind of outdoor electricity charge equipment failure risk index prediction unit of paying dues | |
| CN203745562U (en) | Data collection circuit |
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 |