CN114167762A - Comprehensive energy sensing device with energy-saving control function - Google Patents
Comprehensive energy sensing device with energy-saving control function Download PDFInfo
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- CN114167762A CN114167762A CN202111301717.6A CN202111301717A CN114167762A CN 114167762 A CN114167762 A CN 114167762A CN 202111301717 A CN202111301717 A CN 202111301717A CN 114167762 A CN114167762 A CN 114167762A
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 13
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 6
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a comprehensive energy sensing device with energy-saving control, which relates to the technical field of data acquisition and processing and comprises the following components: the acquisition terminal unit comprises a shell, a motherboard, and a power module, a CPU module, a DSP module, a communication module, an analog acquisition module and a human-computer interface module which are arranged on the motherboard; and a cable monitoring unit. The invention can simultaneously measure live wire current, zero line current or residual current, and can immediately alarm when electric leakage is generally found, thereby ensuring the safety of power utilization. The invention can measure the temperature of the cable and prevent electrical fire except for measuring electrical parameters, a cavity for containing the temperature sensing filling material can be formed by arranging the outer ferrule and the inner ferrule, the cavity can be sealed by the sealing cover plate, carbon dioxide gas can be directionally output while the leakage of the temperature sensing filling material is avoided, the fire extinguishing effect can be realized, and the gas can diffuse the light of the laser transmitter and be captured by the laser receiver at the side for alarming.
Description
Technical Field
The invention relates to the technical field of data acquisition and processing, in particular to a comprehensive energy sensing device with energy-saving control.
Background
Energy efficiency management becomes a hotspot of current research, has an important role in energy conservation, and an energy efficiency monitoring system comprehensively monitors electric equipment by means of a data acquisition technology and a communication technology, and provides technical support for realizing informatization and automation of industrial electricity. The high-speed, real-time and accurate acquisition of the power efficiency data is the basis for power efficiency management, and normal operation of power efficiency evaluation and power efficiency optimization links is guaranteed.
At present, the power energy efficiency management acquisition terminal has the defects of single function, incomplete acquired data, poor real-time performance and the like.
Disclosure of Invention
The invention aims to solve the problems and provides a comprehensive energy sensing device with energy-saving control.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated energy sensing device with energy-saving control, comprising:
the acquisition terminal unit comprises a shell, a motherboard, and a power module, a CPU module, a DSP module, a communication module, an analog acquisition module and a human-computer interface module which are arranged on the motherboard;
the cable monitoring device comprises a cable monitoring unit, a temperature sensing and filling unit and a control unit, wherein the cable monitoring unit comprises a laser transmitter, a laser receiver, a cable fixing sleeve, a sealing cover plate and a temperature sensing and filling material, the laser transmitter is arranged on a motherboard, the cable fixing sleeve is arranged on a cable, the temperature sensing and filling material for sensing the temperature of the cable is filled in the cable fixing sleeve, and the sealing cover plate is used for sealing the cable fixing sleeve;
the laser receiver is arranged on the cable fixing sleeve, the laser receiver cannot receive light of the laser transmitter in an initial state, the temperature sensing filling material is decomposed into colored gas when the temperature of the cable exceeds 50 ℃, and the light of the laser transmitter is received by the laser receiver under diffuse reflection of the colored gas.
Optionally, the CPU module employs an ARM S3C 2416.
Optionally, the temperature sensitive filling material employs a mixture of sodium bicarbonate and a pigment.
Optionally, the fixed cover of cable includes outer lasso, inner race, go-between and hollow block, outer lasso sets up with go-between integrated into one piece, the inner race sets up in the outer lasso and the temperature sensing filler material fills between the two, hollow block sets up on the outer lasso, set up the through-hole of being connected with the external world on the hollow block, the one end of through-hole and the space intercommunication between inner race and the outer lasso of through-hole, the other end and the external world intercommunication of through-hole, laser receiver sets up in the hollow block.
Optionally, the sealing cover plate includes an end cover, an outer ferrule cover and a sealing ring, the end cover is provided with outer ferrule covers corresponding to the outer ferrules in position and number, the sealing ring is disposed on the outer ferrule cover, the outer ferrule cover is provided with cable perforations, and the end cover is provided with light perforations.
The invention also discloses a processing method of the comprehensive energy sensing device with the energy-saving control, which comprises the following steps:
starting an acquisition terminal unit, waiting for system initialization, starting an on-off switch, waiting for DSP initialization, starting A/D conversion, obtaining voltage and current sampling data of the cable 2, judging whether a sampling point is 64, and restarting the on-off switch if the sampling point is not 64; if yes, setting a finishing Flag to be 1, pouring 64-point sampling data to be processed into a DSP for parameter calculation and harmonic analysis, writing the data into a dual-port RAM for data storage, receiving an uploading command of the data for data uploading, waiting for initialization of a GPRS module, starting the GPRS module to connect, judging whether GPRS is on line or not, and if not, restarting the GPRS module to connect; if yes, performing data processing and packaging to send data, then judging whether the received data is complete, and if not, resending the data; if yes, the data reception is judged to be finished.
The invention has the following advantages:
the invention can simultaneously measure live wire current, zero line current or residual current, and can immediately alarm when electric leakage is generally found, thereby ensuring the safety of power utilization.
The invention can measure the temperature of the cable besides measuring the electrical parameters, and prevent electrical fire, the cable is convenient to fix by arranging the outer ferrule and the inner ferrule, and a cavity for accommodating the temperature sensing filling material can be formed at the same time, the cavity can be sealed by the sealing cover plate, carbon dioxide gas can be directionally output while the leakage of the temperature sensing filling material is avoided, the fire extinguishing effect can be realized, and the light of the laser transmitter can be diffusely reflected by the directionally output gas and captured by the laser receiver at the side for alarming. The invention has the outstanding characteristics that the single cable can be monitored, and when the temperature of a certain cable is higher and abnormal, the cable can be cut off quickly without influencing the use of other cables.
Drawings
FIG. 1 is a schematic structural diagram of an integrated energy sensing device with energy-saving control according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the cable gland and the sealing cover plate of the present invention;
FIG. 4 is a schematic view of a cable retaining sleeve according to the present invention;
FIG. 5 is a schematic view of a sealing cover structure according to the present invention;
FIG. 6 is a schematic diagram of an acquisition terminal unit module according to the present invention;
FIG. 7 is a schematic diagram of a CPU module according to the present invention;
FIG. 8 is a diagram of the components on the motherboard according to the present invention;
FIG. 9 is a flow chart of software processing of the apparatus of the present invention.
In the figure: the cable fixing device comprises a shell 1, a cable 2, a laser transmitter 3, a cable fixing sleeve 4, an outer sleeve 41, an inner sleeve 42, a connecting ring 43, a hollow block 44, a sealing cover plate 5, an end cover 51, an outer sleeve cover 52, a sealing ring 53 and a laser receiver 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an integrated energy sensing apparatus with energy saving control includes:
the acquisition terminal unit comprises a shell 1, a motherboard, and a power module, a CPU module, a DSP module, a communication module, an analog acquisition module and a man-machine interface module which are arranged on the motherboard.
Referring to fig. 8, the motherboard, i.e. the data acquisition motherboard, is mainly composed of a main chip ARM S3C2416, a high-frequency CSM/GPRS module, a SIM card, an RS485 communication interface, and some protection and voltage-stabilizing circuits.
In the above-mentioned collection terminal unit, the ARM processor can use different ARM core architectures, the scheme adopts ARM-V7m, can also adopt ARM-V7a to realize the function of a motherboard chip, the CPU module adopts ARM S3C2416, the comprehensive energy sensing device needs many data types to be collected, the data volume is large, and the requirement on the real-time performance is high, so the main processor ARM chooses S3C2416, the core is ARM920T, based on the ARM-V7m architecture, the processing capacity can reach more than twice of the general AMR7 processor. TMS320C5420 is selected for the slave processor DSP, the speed can reach 200MIPS, the slave processor DSP has strong data processing capacity, high-speed calculation of power data can be achieved, and therefore the requirement for real-time performance is met. The IDT70261 is selected for the double ports, and the method has the advantages of high data storage speed, high accuracy, easiness in expansion and the like. And a high-precision analog-digital sampling circuit and a redundancy algorithm are matched, so that the stability and the reliability of the measurement result are ensured. The method is particularly suitable for various data processing occasions of power enterprises. The chip design is shown in fig. 7.
The collection terminal unit collects and processes environmental parameters, electric parameters and the like of an enterprise in real time, uploads electric energy efficiency data to the management platform, and executes a collection instruction issued by the management center in time. The processing method is shown in fig. 9 and comprises the following steps:
starting an acquisition terminal unit, waiting for system initialization, starting an on-off switch, waiting for DSP initialization, starting A/D conversion, obtaining voltage and current sampling data of the cable 2, judging whether a sampling point is 64, and restarting the on-off switch if the sampling point is not 64; if yes, setting a finishing Flag to be 1, pouring 64-point sampling data to be processed into a DSP for parameter calculation and harmonic analysis, writing the data into a dual-port RAM for data storage, receiving an uploading command of the data for data uploading, waiting for initialization of a GPRS module, starting the GPRS module to connect, judging whether GPRS is on line or not, and if not, restarting the GPRS module to connect; if yes, performing data processing and packaging to send data, then judging whether the received data is complete, and if not, resending the data; if yes, the data reception is judged to be finished.
Referring to fig. 2 and 3, the cable monitoring unit includes a laser transmitter 3, a laser receiver 6, a cable cover 4, a sealing cover 5, and a temperature sensitive filling material.
In the present embodiment, the temperature sensitive filler is a mixture of sodium bicarbonate and a pigment, the sodium bicarbonate is sodium bicarbonate powder, and the pigment is powder of a color such as red, yellow, blue, etc., which is commonly available in the market.
In this embodiment, the cable fixing sleeve 4 includes an outer ferrule 41, an inner ferrule 42, a connection ring 43 and a hollow block 44, the outer ferrule 41 and the inner ferrule 42 both adopt hollow tubular structures, and the two are independent of each other, specifically, as shown in fig. 4, the inner ferrule 42 may adopt a heat-conducting silica gel material, thereby having good heat-conducting performance, or may adopt other materials having good heat-conducting performance, the outer ferrule 41 and the connection ring 43 are integrally formed, the integrally formed device has better mechanical performance and sealing performance, the inner ferrule 42 is disposed in the outer ferrule 41, and the temperature-sensing filling material is filled between the two, refer to fig. 2 and 4.
The hollow block 44 is arranged on the outer ferrule 41, a through hole connected with the outside is formed in the hollow block 44, one end of the through hole is communicated with the space between the inner ferrule 42 and the outer ferrule 41, the other end of the through hole is communicated with the outside, and the laser receiver 6 is arranged in the hollow block 44. The hollow block 44 may be a rectangular hollow block, a circular hollow block, or the like, and the hollow block 44 may have a hollow structure so as to facilitate the placement of the laser receiver 6 therein. The through-hole can be single big through-hole, also can be the netted intensive little through-hole of similar sieve, intensive little through-hole is because of setting up in being close to outer lass 41 one side, thereby avoid the temperature sensing filling material to spill, thereby single big through-hole sets up in the outside and avoids causing the separation to light, the setting up of through-hole makes hollow block 44 one side and the space intercommunication at temperature sensing filling material place, the opposite side and external intercommunication, thereby when the temperature sensing filling material decomposed gas, can pass hollow block 44 and export to the external world, therefore the setting up of hollow block 44 has guaranteed that the gas that the temperature sensing filling material produced certainly locates via hollow block 44, via laser receiver 6 and outwards escape promptly. This arrangement ensures, on the one hand, that the gas escaping to the outside can be continuously reflected diffusely to the laser receiver 6 on the side and, on the other hand, that the laser receiver 6 on the side receives a higher light intensity.
Laser emitter 3 sets up on the mother board to be connected with CPU module and power module, laser emitter 3's quantity can be one, also can be a plurality of, laser emitter 3 should be with the coaxial setting of the axis of the fixed cover 4 of cable, cable 2 should be the parallel state with laser emitter 3's light, the fixed cover 4 of cable sets up on cable 2.
Referring to fig. 3 and 5, the sealing cover plate 5 is used for sealing the cable fixing sleeve 4, the sealing cover plate 5 includes an end cover 51, an outer ferrule cover 52 and a sealing ring 53, the end cover 51 is used for sealing the middle portion of the cable fixing sleeve 4, the end cover 51 is provided with the outer ferrule covers 52 corresponding to the outer ferrules 41 in position and number, the sealing ring 53 is arranged on the outer ferrule cover 52, the outer ferrule cover 52 and the sealing ring 53 are used for sealing the space between the inner ferrule 42 and the outer ferrule 41 to prevent the temperature sensing filling material therein from leaking, the outer ferrule cover 52 is provided with cable through holes 54, and the end cover 51 is provided with light through holes 55. The sealing cover plate 5 is arranged to prevent the temperature sensing filling material from leaking, and to enable the gas generated by decomposition to be output directionally.
The laser receiver 6 is arranged on the cable fixing sleeve 4, the laser receiver 6 cannot receive light of the laser emitter 3 in an initial state, the temperature sensing filling material (a mixture of sodium bicarbonate and pigment) is decomposed into gas when the temperature of a certain cable exceeds 50 ℃, the gas is mixed with pigment particles when moving, the light of the laser emitter 3 is received by the laser receiver 6 under diffuse reflection of colored gas, when the laser receiver 6 on one side receives the light emitted by the laser emitter 3, the temperature of the cable exceeds the standard, the diffuse reflection can be reflected to the laser receivers 6 on other sides at the same time, although the laser receivers receive the light at the same time, the gas on the triggering side is continuous, the intensity of the diffuse reflection light is higher, and therefore the condition that the temperature of the cable of the laser receiver 6 in the other sides exceeds the standard is judged.
The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (6)
1. A comprehensive energy sensing device with energy-saving control is characterized by comprising:
the acquisition terminal unit comprises a shell (1), a motherboard, and a power module, a CPU module, a DSP module, a communication module, an analog acquisition module and a human-computer interface module which are arranged on the motherboard;
the cable monitoring device comprises a cable monitoring unit, wherein the cable monitoring unit comprises a laser transmitter (3), a laser receiver (6), a cable fixing sleeve (4), a sealing cover plate (5) and a temperature sensing filling material, the laser transmitter (3) is arranged on a mother board, the cable fixing sleeve (4) is arranged on a cable (2), the cable fixing sleeve (4) is filled with the temperature sensing filling material for sensing the temperature of the cable (2), and the sealing cover plate (5) is used for sealing the cable fixing sleeve (4);
the laser receiver (6) is arranged on the cable fixing sleeve (4), the laser receiver (6) cannot receive light of the laser transmitter (3) in an initial state, the temperature-sensitive filling material is decomposed into colored gas when the temperature of the cable exceeds 50 ℃, and the light of the laser transmitter (3) is received by the laser receiver (6) under diffuse reflection of the colored gas.
2. The device as claimed in claim 1, wherein the CPU module is an ARM S3C 2416.
3. The device as claimed in claim 1, wherein the temperature-sensitive filler is a mixture of sodium bicarbonate and pigment.
4. The comprehensive energy sensing device with the energy-saving control function as claimed in claim 1, wherein the cable fixing sleeve (4) comprises an outer ferrule (41), an inner ferrule (42), a connecting ring (43) and a hollow block (44), the outer ferrule (41) and the connecting ring (43) are integrally formed, the inner ferrule (42) is arranged in the outer ferrule (41) and the temperature-sensitive filling material is filled between the outer ferrule (41) and the outer ferrule (41), the hollow block (44) is arranged on the outer ferrule (41), a through hole connected with the outside is formed in the hollow block (44), one end of the through hole is communicated with a space between the inner ferrule (42) and the outer ferrule (41), the other end of the through hole is communicated with the outside, and the laser receiver (6) is arranged in the hollow block (44).
5. The comprehensive energy sensing device with the energy-saving control function according to claim 4, wherein the sealing cover plate (5) comprises an end cover (51), outer ring covers (52) and sealing rings (53), the outer ring covers (52) corresponding to the outer rings (41) in position and number are arranged on the end cover (51), the sealing rings (53) are arranged on the outer ring covers (52), cable through holes (54) are formed in the outer ring covers (52), and light through holes (55) are formed in the end cover (51).
6. The processing method of the integrated energy sensing device with the energy-saving control function according to any one of claims 1 to 5, comprising the following steps:
starting an acquisition terminal unit, waiting for system initialization, starting an on-off switch, waiting for DSP initialization, starting A/D conversion, obtaining voltage and current sampling data of the cable 2, judging whether a sampling point is 64, and restarting the on-off switch if the sampling point is not 64; if yes, setting a finishing Flag to be 1, pouring 64-point sampling data to be processed into a DSP for parameter calculation and harmonic analysis, writing the data into a dual-port RAM for data storage, receiving an uploading command of the data for data uploading, waiting for initialization of a GPRS module, starting the GPRS module to connect, judging whether GPRS is on line or not, and if not, restarting the GPRS module to connect; if yes, performing data processing and packaging to send data, then judging whether the received data is complete, and if not, resending the data; if yes, the data reception is judged to be finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111301717.6A CN114167762B (en) | 2021-11-04 | 2021-11-04 | Comprehensive energy sensing device with energy-saving control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111301717.6A CN114167762B (en) | 2021-11-04 | 2021-11-04 | Comprehensive energy sensing device with energy-saving control |
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| CN114167762A true CN114167762A (en) | 2022-03-11 |
| CN114167762B CN114167762B (en) | 2024-02-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203595553U (en) * | 2013-10-09 | 2014-05-14 | 云南电网公司玉溪供电局 | Switch cabinet overheating remote early warning system |
| CN104237621A (en) * | 2014-08-25 | 2014-12-24 | 国家电网公司 | Integrated monitoring system and monitoring method for high-voltage cable |
| CN205506256U (en) * | 2016-01-26 | 2016-08-24 | 徐州上若科技有限公司 | Insulator for station cable temperature measurement system |
| CN107039110A (en) * | 2017-05-24 | 2017-08-11 | 郑行良 | A kind of radiating cable for facilitating damage testing |
| CN108917949A (en) * | 2018-06-27 | 2018-11-30 | 武汉工程大学 | A kind of signal controller for temperature alarming |
-
2021
- 2021-11-04 CN CN202111301717.6A patent/CN114167762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203595553U (en) * | 2013-10-09 | 2014-05-14 | 云南电网公司玉溪供电局 | Switch cabinet overheating remote early warning system |
| CN104237621A (en) * | 2014-08-25 | 2014-12-24 | 国家电网公司 | Integrated monitoring system and monitoring method for high-voltage cable |
| CN205506256U (en) * | 2016-01-26 | 2016-08-24 | 徐州上若科技有限公司 | Insulator for station cable temperature measurement system |
| CN107039110A (en) * | 2017-05-24 | 2017-08-11 | 郑行良 | A kind of radiating cable for facilitating damage testing |
| CN108917949A (en) * | 2018-06-27 | 2018-11-30 | 武汉工程大学 | A kind of signal controller for temperature alarming |
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| CN114167762B (en) | 2024-02-27 |
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