CN103840565A - Energy storage element management system and corresponding energy storage element management method - Google Patents
Energy storage element management system and corresponding energy storage element management method Download PDFInfo
- Publication number
- CN103840565A CN103840565A CN201310583426.XA CN201310583426A CN103840565A CN 103840565 A CN103840565 A CN 103840565A CN 201310583426 A CN201310583426 A CN 201310583426A CN 103840565 A CN103840565 A CN 103840565A
- Authority
- CN
- China
- Prior art keywords
- energy
- storage units
- circuit
- control signal
- wave tube
- 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.)
- Pending
Links
Images
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an energy storage element management system which is used for managing an energy storage unit string composed of a plurality of energy storage units. The energy storage element management system comprises a time-sharing collecting control circuit, a level switching and collecting circuit and a time-sharing collecting selecting circuit. The time-sharing collecting control circuit is used for generating a first control signal according to needs. The level switching and collecting circuit is used for collecting the parameters of the energy storage units in the energy storage unit string. The time-sharing collecting and selecting circuit is connected between the energy storage unit string and the level switching and collecting circuit, and the time-sharing collecting selecting circuit is further connected with the time-sharing collecting control circuit to receive the first control signal generated by the time-sharing collecting control circuit, paths between the energy storage units in the energy storage unit string and the level switching and collecting circuit are powered on in a day parting mode according to the first control signal, and therefore the level switching and collecting circuit collects the parameters of the energy storage units in the energy storage unit string according to the time frames to generate corresponding collecting results.
Description
Technical field
The present invention relates to energy-storage travelling wave tube technical field, particularly relate to energy-storage travelling wave tube management system and corresponding energy-storage travelling wave tube management method.
Background technology
Energy storaging product, other energy-storage travelling wave tube of for example battery or similar battery, be widely used in each electronic product, and energy storaging product needs to utilize energy-storage travelling wave tube management system to manage it in use.Taking battery as example, battery management system need to gather and compare the parameter of battery, realizes the judgement to battery status by the result gathering and compare, thereby can carry out the management activities such as protection, equilibrium to battery.Therefore, the Acquisition Circuit in battery management system and comparison circuit have directly determined the performance of battery management system.
Increasingly extensive along with the application of the battery pack being formed by multiple batteries, release at present many for managing the battery management system of the battery pack that multiple batteries form, it is for independently Acquisition Circuit and comparison circuit of each battery difference, to gather respectively and to compare the parameter of each battery.
But, along with the increase of battery in battery pack number, adopting respectively independently Acquisition Circuit and comparison circuit for each battery, the chip area that it can increase battery management system undoubtedly greatly, has increased the cost of product.And battery management system is higher for the coherence request of battery, and adopt respectively independently Acquisition Circuit and comparison circuit for each battery, its precision generally can not reach conforming requirement, it need to be adjusted each Acquisition Circuit and comparison circuit, and it also can increase the cost that uses battery management system.In addition, multiple independently Acquisition Circuit and comparison circuit also can increase the power consumption of whole battery management chip undoubtedly, and low-power consumption is one of most important requirement in battery management system.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of new energy-storage travelling wave tube management system and corresponding energy-storage travelling wave tube management method, and it can reduce the circuit area of whole system, and cost is lower, reduce power consumption, and consistency precision is higher.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of energy-storage travelling wave tube management system, for managing the energy-storage units string being made up of multiple energy-storage units.Wherein said energy-storage travelling wave tube management system comprises time-sharing acquisition circuit, level conversion and Acquisition Circuit and acquisition time selection circuit.Described time-sharing acquisition circuit is for producing as required the first control signal.Described level conversion and Acquisition Circuit are for gathering the parameter of energy-storage units described in each of described energy-storage units string.Described acquisition time selects circuit to be connected between described energy-storage units string and described level conversion and Acquisition Circuit, and described acquisition time selects circuit further to connect described time-sharing acquisition circuit, described the first control signal being produced to receive described time-sharing acquisition circuit, and the path between each energy-storage units and described level conversion and the Acquisition Circuit in energy-storage units string according to described the first control signal and described in conducting at times, thereby make parameter that described level conversion and Acquisition Circuit gather each energy-storage units in described energy-storage units string at times to produce corresponding collection result.
Wherein, described energy-storage travelling wave tube management system further comprises threshold value selection circuit and comparison circuit.Described time-sharing acquisition circuit further produces the second control signal of described the first control signal of coupling as required, and described threshold value selects circuit to connect described time-sharing acquisition circuit to receive described the second control signal, and the raw corresponding threshold value of real estate according to described the second control signal and at times.Described comparison circuit, connect described threshold value and select circuit and described level conversion and Acquisition Circuit, the corresponding threshold value of selecting circuit to be exported to receive collection result that described level conversion and Acquisition Circuit exported and described threshold value, and compare, thereby corresponding comparative result produced.
Wherein, the further energy-storage units protection and control of described energy-storage travelling wave tube management system circuit; it connects described level conversion and Acquisition Circuit and described comparison circuit; the comparative result of being exported to receive collection result that described level conversion and Acquisition Circuit exported and described comparison circuit, and carry out corresponding protection and control operation according to described collection result and described comparative result.
Wherein, each energy-storage units in described energy-storage units string is battery.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of energy-storage travelling wave tube management method, for managing the energy-storage units string being made up of multiple energy-storage units.Wherein, described energy-storage travelling wave tube management method comprises as required and produces the first control signal; Path between each energy-storage units and level conversion and Acquisition Circuit in energy-storage units string according to described the first control signal and described in conducting at times, thus make parameter that described level conversion and Acquisition Circuit gather each energy-storage units in described energy-storage units string at times to produce corresponding collection result.
Wherein, described energy-storage travelling wave tube management method further comprises as required and produces the second control signal, and wherein said the second control signal is mated described the first control signal; According to described the second control signal and the at times raw corresponding threshold value of real estate; Described collection result and corresponding threshold value are compared, thereby produce corresponding comparative result.
Wherein, described energy-storage travelling wave tube management method further comprises according to described collection result and described comparative result and carries out corresponding protection and control operation.
The invention has the beneficial effects as follows: the situation that is different from prior art, energy-storage travelling wave tube management system of the present invention and energy-storage travelling wave tube management method can utilize time-sharing acquisition circuit and acquisition time to select circuit and make a level conversion and Acquisition Circuit and a comparison circuit, can gather at times the parameter of multiple energy-storage units and compare with corresponding threshold value, reduce the number of level conversion and Acquisition Circuit and comparison circuit, thereby reduce the area of whole energy-storage travelling wave tube management system, reduce cost, and can reduce the power consumption of level conversion and Acquisition Circuit and comparison circuit, it requires strict energy-storage travelling wave tube management system to have very positive meaning for low-power consumption.In addition; because can utilizing same level conversion and Acquisition Circuit and comparison circuit, the multiple energy-storage units in energy-storage units string carry out acquisition operations and compare operation; therefore it can improve the parameter of the multiple energy-storage units consistency precision when collected; thereby can make better energy-storage travelling wave tube management system protect with balanced and wait control operation, performance and the life-span of having improved each energy-storage units in energy-storage units string energy-storage units.
Brief description of the drawings
Fig. 1 is the schematic diagram of the energy-storage travelling wave tube management system of the embodiment of the present invention;
Fig. 2 is the flow chart of the energy-storage travelling wave tube management method of the embodiment of the present invention.
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the energy-storage travelling wave tube management system proposing according to the present invention and corresponding its embodiment of energy-storage travelling wave tube management method, method, step, structure, feature and effect thereof thereof, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can be known and present in the following detailed description coordinating with reference to graphic preferred embodiment.By the explanation of embodiment, when being able to more deeply and concrete understanding for technological means and effect of reaching predetermined object and taking the present invention, but appended graphic be only to provide with reference to the use of explanation, be not used for the present invention to be limited.
Fig. 1 is the schematic diagram of the energy-storage travelling wave tube management system of the embodiment of the present invention.As shown in Figure 1, the energy-storage travelling wave tube management system 100 of the embodiment of the present invention is for managing the energy-storage units string 200 being made up of multiple energy-storage units 210.Wherein, energy-storage units 210 can be battery or other energy-storage travelling wave tube that is similar to battery, and these energy-storage units 210 can be cascaded to form energy-storage units string 200.
Energy-storage travelling wave tube management system 100 comprises time-sharing acquisition circuit 110, acquisition time selection circuit 120, level conversion and Acquisition Circuit 130, comparison circuit 140, threshold value selection circuit 150 and energy-storage units protection and control circuit 160.
Wherein, time-sharing acquisition circuit 110 can produce the first corresponding control signal CS1 according to actual needs, and it connects acquisition time and selects circuit 120 to export the first control signal CS1 to acquisition time selection circuit 120.
Acquisition time selects circuit 120 to be connected between energy-storage units string 200 and level conversion and Acquisition Circuit 130, thereby can be according to the first control signal CS1 receiving and each energy-storage units 210 in conducting energy-storage units string 200 and the path between level conversion and Acquisition Circuit 130 at times, level conversion and Acquisition Circuit 130 can gather the parameter of each energy-storage units 210 in energy-storage units string 200 at times.That is to say, level conversion and Acquisition Circuit 130 can be selected circuit 120 by time-sharing acquisition circuit 110 and acquisition time, and respectively each energy-storage units 210 in energy-storage units string 200 is carried out respectively to parameter acquisition in the different time periods, to produce corresponding collection result.
It will be understood by those skilled in the art that, acquisition time selects circuit 120 can comprise multiple control switchs, wherein, each control switch is connected between the corresponding energy-storage units 210 and level conversion and Acquisition Circuit 130 in energy-storage units string 200, thereby can control the whether conducting of path between corresponding energy-storage units 210 and level conversion and Acquisition Circuit 130.If conducting, level conversion can be connected to corresponding energy-storage units 210 by control switch with Acquisition Circuit 130, thereby gathers the parameter of corresponding energy-storage units 210.
In addition, time-sharing acquisition circuit 110 is exported to acquisition time and is selected the first control signal CS1 of circuit 120 to be made up of multiple pulse as required, each pulse can corresponding control switch of conducting, thus the path between conduction level conversion and Acquisition Circuit 130 and corresponding energy-storage units 210.Certainly, it will be appreciated by persons skilled in the art that the first control signal CS1 also can change according to other actual needs, to meet user's actual needs.
Level conversion and Acquisition Circuit 130 can further be connected to comparison circuit 140 and energy-storage units protection and control circuit 160, the collection result of each different energy-storage units 210 parameters in energy-storage units string 200 is transferred to comparison circuit 140 and energy-storage units protection and control circuit 160 in the different time periods respectively.
Time-sharing acquisition circuit 110 can further produce the second corresponding control signal CS2 according to actual needs, and wherein, the second control signal CS2 mates the first control signal CS1.Threshold value selects circuit 150 to connect the second control signal CS2 that time-sharing acquisition circuit 110 is exported, to produce respectively corresponding threshold value according to the second control signal CS2 in the different time periods.Threshold value is selected circuit 150 further to connect comparison circuit 140 and threshold value is transferred to comparison circuit 140, the collection result of corresponding energy-storage units 210 parameters that comparison circuit 140 can transmit with Acquisition Circuit 130 according to level conversion, select the corresponding threshold value that transmits of circuit 150 with threshold value and compare, thereby producing corresponding comparative result.At this, the threshold value of can setting threshold selecting circuit 150 to export comparison circuit 140 to exports the collection result of corresponding energy-storage units 210 parameters of comparison circuit 140 to corresponding to level conversion and Acquisition Circuit 150, that is to say, described threshold value and described collection result are all the energy-storage units 210 corresponding to same correspondence, therefore, comparison circuit 140 can more same correspondence collection result and the corresponding threshold value of energy-storage units 210, thereby produce corresponding comparative result.
Comparison circuit 140 further connects energy-storage units protection and control circuit 160; comparative result is exported to energy-storage units protection and control circuit 160; the comparative result that the collection result that energy-storage units protection and control circuit 160 can be exported according to level conversion and Acquisition Circuit 130 and comparison circuit 140 are exported, and carry out corresponding protection and control operation.
In the present invention, level conversion and Acquisition Circuit 130 are selected circuit 120 except carrying out parameter acquisition to each energy-storage units 210 of energy-storage units string 200 by acquisition time, for example gather voltage of each energy-storage units 210 etc., in addition, level conversion and Acquisition Circuit 130 can also select circuit 120 to gather other parameter 300 by acquisition time, for example, gather benchmark, the temperature of temperature sensor or voltage of outside input source of whole chip etc.
In addition; it will be appreciated by persons skilled in the art that energy-storage travelling wave tube management system 100 of the present invention can comprise the many groups of administrative units of selecting circuit 120, level conversion and Acquisition Circuit 130, comparison circuit 140, threshold value to select circuit 150 and energy-storage units protection and control circuit 160 to form by time-sharing acquisition circuit 110, acquisition time.For example; if the number of the energy-storage units 210 in energy-storage units string 200 is too much; energy-storage units more these numbers 210 can be divided into many groups; each group is utilized respectively one group of administrative unit being made up of time-sharing acquisition circuit 110, acquisition time selection circuit 120, level conversion and Acquisition Circuit 130, comparison circuit 140, threshold value selection circuit 150 and energy-storage units protection and control circuit 160 and is managed respectively, thereby can reduce the operating time of whole energy-storage travelling wave tube management system 100.Certainly; it will be understood by those skilled in the art that; the administrative unit that each group selects circuit 120, level conversion and Acquisition Circuit 130, comparison circuit 140, threshold value to select circuit 150 and energy-storage units protection and control circuit 160 to form by time-sharing acquisition circuit 110, acquisition time can be also a kind of parameter that is used for respectively gathering and comparing each energy-storage units 210 in energy-storage units string 200.
In addition, the present invention also provides a kind of energy-storage travelling wave tube management method of correspondence.Fig. 2 is the flow chart of the energy-storage travelling wave tube management method of the embodiment of the present invention.As shown in Figure 2, the energy-storage travelling wave tube management method of the embodiment of the present invention comprises:
Step S11: produce as required the first control signal;
Step S12: the path between each energy-storage units and level conversion and the Acquisition Circuit in energy-storage units string according to described the first control signal and described in conducting at times, thus make parameter that described level conversion and Acquisition Circuit gather each energy-storage units in described energy-storage units string at times to produce corresponding collection result.
In addition, the energy-storage travelling wave tube management method of the embodiment of the present invention can also further comprise:
Step S21: produce the second control signal as required, wherein said the second control signal is mated described the first control signal;
Step S22: according to described the second control signal and the at times raw corresponding threshold value of real estate;
Step S23: described collection result and corresponding threshold value are compared, thereby produce corresponding comparative result.
Separately, the energy-storage travelling wave tube management method of the embodiment of the present invention can also further comprise:
Step S30: carry out corresponding protection and control operation according to described collection result and described comparative result.
In sum, energy-storage travelling wave tube management system of the present invention and energy-storage travelling wave tube management method can utilize time-sharing acquisition circuit and acquisition time to select circuit and make a level conversion and Acquisition Circuit and a comparison circuit, can gather at times the parameter of multiple energy-storage units and compare with corresponding threshold value, reduce the number of level conversion and Acquisition Circuit and comparison circuit, thereby reduce the area of whole energy-storage travelling wave tube management system, reduce cost, and can reduce the power consumption of level conversion and Acquisition Circuit and comparison circuit, it requires strict energy-storage travelling wave tube management system to have very positive meaning for low-power consumption.In addition; because can utilizing same level conversion and Acquisition Circuit and comparison circuit, the multiple energy-storage units in energy-storage units string carry out acquisition operations and compare operation; therefore it can improve the parameter of the multiple energy-storage units consistency precision when collected; thereby can make better energy-storage travelling wave tube management system protect with balanced and wait control operation, performance and the life-span of having improved each energy-storage units in energy-storage units string energy-storage units.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. an energy-storage travelling wave tube management system, for managing the energy-storage units string being made up of multiple energy-storage units, is characterized in that, described energy-storage travelling wave tube management system comprises:
Time-sharing acquisition circuit, for producing as required the first control signal;
Level conversion and Acquisition Circuit, for gathering the parameter of energy-storage units described in each of described energy-storage units string;
Acquisition time is selected circuit, be connected between described energy-storage units string and described level conversion and Acquisition Circuit, and described acquisition time selects circuit further to connect described time-sharing acquisition circuit, described the first control signal being produced to receive described time-sharing acquisition circuit, and the path between each energy-storage units and described level conversion and the Acquisition Circuit in energy-storage units string according to described the first control signal and described in conducting at times, thereby make parameter that described level conversion and Acquisition Circuit gather each energy-storage units in described energy-storage units string at times to produce corresponding collection result.
2. energy-storage travelling wave tube management system according to claim 1, is characterized in that, described energy-storage travelling wave tube management system further comprises:
Threshold value is selected circuit, wherein said time-sharing acquisition circuit further produces the second control signal of described the first control signal of coupling as required, described threshold value selects circuit to connect described time-sharing acquisition circuit to receive described the second control signal, and the raw corresponding threshold value of real estate according to described the second control signal and at times;
Comparison circuit, connect described threshold value and select circuit and described level conversion and Acquisition Circuit, the corresponding threshold value of selecting circuit to be exported to receive collection result that described level conversion and Acquisition Circuit exported and described threshold value, and compare, thereby corresponding comparative result produced.
3. energy-storage travelling wave tube management system according to claim 2, is characterized in that, described energy-storage travelling wave tube management system further comprises:
Energy-storage units protection and control circuit; connect described level conversion and Acquisition Circuit and described comparison circuit; the comparative result of being exported to receive collection result that described level conversion and Acquisition Circuit exported and described comparison circuit, and carry out corresponding protection and control operation according to described collection result and described comparative result.
4. energy-storage travelling wave tube management system according to claim 1, is characterized in that, each energy-storage units in described energy-storage units string is battery.
5. an energy-storage travelling wave tube management method, for managing the energy-storage units string being made up of multiple energy-storage units, is characterized in that, described energy-storage travelling wave tube management method comprises:
Produce as required the first control signal;
Path between each energy-storage units and level conversion and Acquisition Circuit in energy-storage units string according to described the first control signal and described in conducting at times, thus make parameter that described level conversion and Acquisition Circuit gather each energy-storage units in described energy-storage units string at times to produce corresponding collection result.
6. energy-storage travelling wave tube management method according to claim 5, is characterized in that, described energy-storage travelling wave tube management method further comprises:
Produce the second control signal as required, wherein said the second control signal is mated described the first control signal;
According to described the second control signal and the at times raw corresponding threshold value of real estate;
Described collection result and corresponding threshold value are compared, thereby produce corresponding comparative result.
7. energy-storage travelling wave tube management method according to claim 6, is characterized in that, described energy-storage travelling wave tube management method further comprises:
Carry out corresponding protection and control operation according to described collection result and described comparative result.
8. energy-storage travelling wave tube management method according to claim 5, is characterized in that, each energy-storage units in described energy-storage units string is battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310583426.XA CN103840565A (en) | 2012-11-20 | 2013-11-19 | Energy storage element management system and corresponding energy storage element management method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474002 | 2012-11-20 | ||
| CN201210474002.5 | 2012-11-20 | ||
| CN201310583426.XA CN103840565A (en) | 2012-11-20 | 2013-11-19 | Energy storage element management system and corresponding energy storage element management method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103840565A true CN103840565A (en) | 2014-06-04 |
Family
ID=50803801
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320733431.XU Expired - Lifetime CN203674810U (en) | 2012-11-20 | 2013-11-19 | Energy storage element management system |
| CN201310583426.XA Pending CN103840565A (en) | 2012-11-20 | 2013-11-19 | Energy storage element management system and corresponding energy storage element management method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320733431.XU Expired - Lifetime CN203674810U (en) | 2012-11-20 | 2013-11-19 | Energy storage element management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203674810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229566A (en) * | 2016-08-23 | 2016-12-14 | 胡浩 | Battery management system based on multichannel controlled energy-storage units network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263524A (en) * | 2010-02-16 | 2011-11-30 | 英飞凌科技股份有限公司 | Circuit Arrangement Including A Multi-level Converter |
| CN102692604A (en) * | 2011-03-24 | 2012-09-26 | 比亚迪股份有限公司 | State detection circuit of multiple rechargeable batteries in series connection |
-
2013
- 2013-11-19 CN CN201320733431.XU patent/CN203674810U/en not_active Expired - Lifetime
- 2013-11-19 CN CN201310583426.XA patent/CN103840565A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263524A (en) * | 2010-02-16 | 2011-11-30 | 英飞凌科技股份有限公司 | Circuit Arrangement Including A Multi-level Converter |
| CN102692604A (en) * | 2011-03-24 | 2012-09-26 | 比亚迪股份有限公司 | State detection circuit of multiple rechargeable batteries in series connection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229566A (en) * | 2016-08-23 | 2016-12-14 | 胡浩 | Battery management system based on multichannel controlled energy-storage units network |
| CN106229566B (en) * | 2016-08-23 | 2019-07-30 | 胡浩 | Battery management system based on the controlled energy-storage units network of multichannel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203674810U (en) | 2014-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2007139842A3 (en) | Automated meter reading system, communication and control network for automated meter reading, meter data collector, and associated methods | |
| CN102116847A (en) | Single battery performance parameter acquisition system for battery pack | |
| CN103592932B (en) | There is many fingers EMG-controlling prosthetic hand modular insert control system of multiple perceptional function | |
| CN104600698B (en) | Power supply control apparatus and the method being controlled to power supply | |
| CN205121255U (en) | Control system based on singlechip | |
| CN104770347A (en) | Portable and intelligent insect condition prediction system | |
| CN202075060U (en) | Temperature measuring device of numerical control sterilizing cabinet | |
| CN203674810U (en) | Energy storage element management system | |
| CN106200829A (en) | RJ45 type double-serial port server | |
| CN202677114U (en) | Industrial control main board based on MSP430 single chip microcomputer | |
| CN104932374A (en) | Lithium battery remote intelligent monitoring system based on Internet of Things | |
| CN104882965A (en) | Intelligent micro power grid control device and control method | |
| CN108122172A (en) | A kind of system for showing distributed power service condition | |
| CN103855756B (en) | Passive type equalizing circuit and corresponding passive type equalization methods | |
| CN203773028U (en) | Battery performance inspection apparatus | |
| CN205721225U (en) | A kind of electric power data acquisition and communication system | |
| CN205232189U (en) | Touch circuit | |
| CN201327529Y (en) | Lithium-ion power battery grouping monitor system | |
| CN202995341U (en) | A signal collection device for digital values and analog values | |
| CN204066378U (en) | A kind of Intelligent Information Collection device | |
| CN208806787U (en) | A kind of telemetering terminal power supply circuit | |
| CN202678987U (en) | Monitoring device of electric automobile battery charger | |
| CN202334375U (en) | Off-grid intelligent photovoltaic controller | |
| CN202041813U (en) | Comprehensive monitoring device of energy consumption | |
| CN106921686A (en) | Manage the methods, devices and systems of continuous data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140604 |