CN212254405U - Temperature difference monitoring device and system of distribution box - Google Patents
Temperature difference monitoring device and system of distribution box Download PDFInfo
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- CN212254405U CN212254405U CN202020448631.0U CN202020448631U CN212254405U CN 212254405 U CN212254405 U CN 212254405U CN 202020448631 U CN202020448631 U CN 202020448631U CN 212254405 U CN212254405 U CN 212254405U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The embodiment of the utility model discloses temperature difference monitoring device and system of block terminal, temperature difference monitoring device includes rectangle temperature sensing unit and microprocessor unit, rectangle temperature sensing device includes according to 8 a 4 or 8 a 8 several temperature sensor chips that the rectangle is side by side, microprocessor unit passes through serial signal control rectangle temperature sensing unit, rectangle temperature sensing unit to the temperature data that every temperature sensor chip of microprocessor unit passback acquireed, microprocessor unit basis the temperature data judges the abnormal point of temperature of block terminal. The embodiment of the utility model provides a carry out large tracts of land control through temperature difference monitoring device to all switches in the block terminal, if the temperature has the difference, then temperature difference monitoring device can indicate with the reputation mode to send the notice with bluetooth or WIFI simultaneously, can reduce power consumption danger by a wide margin.
Description
Technical Field
The utility model relates to a block terminal field especially relates to a temperature difference monitoring device and system of block terminal.
Background
The general distribution box uses the leakage switch and the current-limiting switch as safety protection, the two switches can play a good role in protection, but there are still some careless places, for example, when the power consumption is close to but not more than the rated current of the current-limiting switch, the current-limiting switch will start to generate heat, the current-limiting switch may deform after a long time of continuous use, so that the current-limiting protection function is weakened or even the current-limiting protection function cannot be played, and further, danger is generated. Therefore, if the heating condition of the leakage switch or the current-limiting switch is not well monitored, the working state of the switch cannot be monitored, and danger cannot be monitored.
Therefore, the prior art needs to be further improved and improved.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a temperature difference monitoring device and system of block terminal to solve the technical problem that switch transition generates heat and can't monitor and lead to dangerous emergence in the current block terminal.
The utility model provides a first aspect of embodiment provides a temperature difference monitoring device of block terminal, temperature difference monitoring device includes rectangle temperature sensing unit and microprocessor unit, rectangle temperature sensing device includes according to 8 a 4 or 8 a 8 several temperature sensor chips that the rectangle is side by side, microprocessor unit passes through serial signal control rectangle temperature sensing unit, rectangle temperature sensing unit to the temperature data that every temperature sensor chip acquireed is passed back to microprocessor unit, microprocessor unit basis the temperature data judges the temperature anomaly point of block terminal.
Optionally, the temperature-sensitive sensor units are laterally distributed at a predetermined included angle.
Optionally, the predetermined included angle is 15 degrees, and the total included angle of each temperature-sensitive sensor chip is 120 degrees.
Optionally, a fresnel focusing sheet is mounted outside the temperature sensor chip.
Optionally, the temperature data is a highest temperature value obtained by each temperature-sensitive sensor chip.
Optionally, the microprocessor unit further includes a calculating unit and a determining unit, wherein the calculating unit is configured to obtain an average value through a highest temperature value obtained by each temperature-sensitive sensor chip; the judging unit is used for comparing the highest temperature value obtained by each temperature sensing sensor chip with the average value, and if the highest temperature value is higher than a first preset value or the highest temperature values of two adjacent temperature sensing sensor chips are both higher than a second preset value of the average value, the temperature abnormal point is judged.
Optionally, the microprocessor unit has a communication unit built in.
Optionally, the communication unit is a bluetooth module or a WIFI module.
Optionally, the rectangular temperature sensing device further includes a selector, a gain amplifier, an analog-to-digital converter, a controller, a memory, and a thermistor connected to the analog-to-digital converter, the selector being connected to the temperature sensing sensor chip.
The utility model discloses the second aspect of embodiment provides a temperature difference monitoring system of block terminal, the system include foretell temperature difference monitoring device and with temperature difference monitoring device intercommunication's mobile terminal, mobile terminal is equipped with control APP.
The embodiment of the utility model provides an among the technical scheme, carry out the large tracts of land control through temperature difference monitoring device to all switches in the block terminal, if the temperature has the difference, then temperature difference monitoring device can indicate with the reputation mode to send the notice with bluetooth or WIFI simultaneously, can reduce power consumption danger by a wide margin.
Drawings
Fig. 1 is the embodiment of the utility model provides an in the embodiment temperature difference monitoring device's of block terminal component block diagram.
Fig. 2 is a schematic circuit diagram of a rectangular temperature sensing unit according to an embodiment of the present invention.
Fig. 3 is a distribution diagram of the arrangement of the temperature sensor chips according to the embodiment of the present invention.
Fig. 4 is a block diagram of a microprocessor unit according to an embodiment of the present invention.
Fig. 5 is another block diagram of the microprocessor unit according to an embodiment of the present invention.
Fig. 6 and fig. 7 are the temperature difference monitoring device exploded view and the assembly drawing of the distribution box in the embodiment of the present invention, respectively.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the temperature difference monitoring apparatus of the distribution box of the present invention, the temperature difference monitoring apparatus of the present embodiment includes a rectangular temperature sensing unit 1 and a microprocessor unit 2, and the microprocessor unit 2 controls the rectangular temperature sensing unit 1 through a serial signal, wherein the rectangular temperature sensing unit 1 is configured to monitor temperature data of each region in the distribution box, and the microprocessor unit 2 processes the temperature data of each region and determines a temperature anomaly point according to a processing result, thereby determining an anomaly of the switch.
As shown in fig. 2, the rectangular temperature sensing device of the present embodiment includes a temperature sensing sensor chip 11, a selector 12, a gain amplifier 13, an analog-to-digital converter 14, a controller 15, a memory 16, and a thermistor 17 connected to the analog-to-digital converter 14, which are connected in sequence, the selector 12 is connected to the temperature sensing sensor chip 11, and the controller 15 is connected via an I2The C bus 18 connects the microprocessor unit 2.
Specifically, the rectangular temperature sensing device of the present embodiment includes a plurality of temperature sensing sensor chips arranged in a 8 × 4 or 8 × 8 rectangle, such as the temperature sensing sensor chip 11 shown in fig. 3, where each temperature sensing sensor chip can monitor temperature data of a certain area, and the temperature sensing sensor chip 11 of the present embodiment can read temperature data within a range of about 7 meters, where the temperature data is the highest temperature value obtained by each temperature sensing sensor chip. For convenience of monitoring, the temperature-sensing sensor units of the present embodiment are transversely distributed at a predetermined included angle, which is preferably 15 degrees, and 8 × 4 or 8 × 8 rectangles are arranged for 8 regions, so that the total included angle of the rectangular temperature-sensing device is 120 degrees, which can well monitor each power-off switch or current-limiting switch. Of course, the predetermined included angle formed by the adjacent temperature-sensitive sensor units in this embodiment is not limited to 15 degrees, and may be up and down, that is, about 15 degrees.
In order to achieve a better temperature sensing effect, the chenille focusing sheet is installed outside the temperature sensing sensor chip 11 of the embodiment, and the temperature detection point can be effectively focused through the chenille focusing sheet, so that more accurate temperature data can be acquired.
The rectangular temperature sensing unit 1 of the present embodiment returns the temperature data obtained by each temperature sensing sensor chip 11 to the microprocessor unit 2, that is, the maximum temperature value of each temperature sensing range is returned to the microprocessor unit 2, and the microprocessor unit 2 determines the temperature anomaly point of the distribution box according to the temperature data.
As shown in fig. 4, the microprocessor unit 2 of the present embodiment includes a calculating unit 21 and a judging unit 22, wherein the calculating unit 21 is configured to calculate an average value of the temperatures from the maximum temperature values obtained by each of the temperature sensitive sensor chips 11; the determining unit 22 is configured to compare the maximum temperature value obtained by each temperature sensor chip 11 with the average value, and if a result obtained by subtracting the average value from the maximum temperature value is higher than a first predetermined value, or the maximum temperature values of two adjacent temperature sensor chips 11 are both higher than a second predetermined value of the average value, determine a point detected by the temperature sensor chip 11 as a temperature anomaly point, that is, an abnormal condition exists due to an excessively large switching temperature difference. Specifically, the first predetermined value set in this embodiment is 10 degrees celsius, and the second predetermined value is 5 degrees celsius, so if the highest temperature value returned by one of the temperature-sensitive sensor chips 11 is higher than 10 degrees celsius of the average value calculated by the microprocessor unit 2, or the highest temperature values detected by two adjacent temperature-sensitive sensor chips 11 are higher than 5 degrees celsius of the average value calculated by the microprocessor unit 2, it can be determined that there is a temperature abnormality in the detection area of the temperature-sensitive sensor.
In order to facilitate data transmission, as shown in fig. 5, the microprocessor unit 2 of the present embodiment is provided with a communication unit 23 inside, and the communication unit 23 may be a bluetooth module or a WIFI module. Through bluetooth module or WIFI module, this difference in temperature monitoring device can give other data terminal or server with the temperature transmission, makes things convenient for data monitoring. Of course, the bluetooth module or the WIFI module is not necessarily built in the microprocessor unit 2, and may be separately provided. For the temperature abnormality, the present embodiment may set an acousto-optic effect, and prompt the temperature abnormality through the acousto-optic effect.
Referring to fig. 6 and 7, the temperature difference monitoring device of the present embodiment has a schematic structural diagram, an upper casing 10 and a lower casing 20, and a circuit board 30 disposed in the upper casing 10 and the lower casing 20, wherein a rectangular temperature sensing unit 1, a microprocessor unit 2, a fresnel focusing sheet 3, a power IC5 and a bluetooth antenna 4 are disposed on the circuit board 30, and a window 40 is further disposed on the upper casing 10, and the size of the window 40 is the same as the size of the fresnel focusing sheet 3 and the size of the rectangular temperature sensing unit 1.
Based on above-mentioned difference in temperature monitoring device, the utility model discloses a second aspect provides a difference in temperature monitored control system of block terminal, and this system includes foretell difference in temperature monitoring device and the mobile terminal with this difference in temperature monitoring device intercommunication, and mobile terminal is equipped with the control APP, and mobile terminal is preferably the cell-phone. Like this, the temperature difference monitoring unit can be through taking bluetooth or WIFI from the temperature data transmission that obtains temperature difference monitoring device for cell-phone APP, shows the temperature in all regions through cell-phone APP, and if for the convenience look over the differentiation, can distinguish the temperature height with green yellow red color. If the temperature of a certain area is too high, a warning can be sent out on the mobile phone APP. Therefore, the system actively prompts by temperature sensing without manual inspection, not only can observe all weather and actively report abnormity, but also can protect the electricity safety by one more layer and prevent danger.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The temperature difference monitoring device of the distribution box is characterized by comprising a rectangular temperature sensing unit and a microprocessor unit, wherein the rectangular temperature sensing unit comprises a plurality of temperature sensing sensor chips which are arranged side by side according to 8-4 or 8-8 rectangles, the microprocessor unit controls the rectangular temperature sensing unit through serial signals, the rectangular temperature sensing unit transmits temperature data acquired by each temperature sensing sensor chip back to the microprocessor unit, and the microprocessor unit judges temperature abnormal points of the distribution box according to the temperature data.
2. The apparatus for monitoring temperature difference of distribution box according to claim 1, wherein said temperature-sensitive sensor units are distributed laterally at a predetermined angle.
3. The temperature difference monitoring device for the distribution box according to claim 2, wherein the predetermined angle is 15 degrees, and the total angle of each temperature-sensitive sensor chip is 120 degrees.
4. The temperature difference monitoring device of the distribution box according to claim 2 or 3, wherein a Fresnel focusing sheet is installed outside the temperature sensing sensor chip.
5. The temperature difference monitoring device for the distribution box according to claim 1, wherein the temperature data is a maximum temperature value obtained by each temperature-sensitive sensor chip.
6. The temperature difference monitoring apparatus of the electric box according to claim 5, wherein said microprocessor unit further comprises a calculation unit and a judgment unit, wherein,
the calculation unit is used for obtaining an average value through the highest temperature value obtained by each temperature sensing sensor chip;
the judging unit is used for comparing the highest temperature value obtained by each temperature sensing sensor chip with the average value, and if the highest temperature value is higher than a first preset value or the highest temperature values of two adjacent temperature sensing sensor chips are both higher than a second preset value of the average value, the temperature abnormal point is judged.
7. The temperature difference monitoring device for the electric box according to claim 1, wherein a communication unit is built in the microprocessor unit.
8. The temperature difference monitoring device of distribution box according to claim 7, wherein the communication unit is a Bluetooth module or a WIFI module.
9. The temperature difference monitoring device of the distribution box according to claim 1, wherein the rectangular temperature sensing device further comprises a selector, a gain amplifier, an analog-to-digital converter, a controller and a memory, which are connected in sequence, and a thermistor connected with the analog-to-digital converter, and the selector is connected with the temperature sensing sensor chip.
10. A temperature difference monitoring system of a distribution box, characterized in that the system comprises a temperature difference monitoring device according to any one of claims 1 to 9 and a mobile terminal in communication with the temperature difference monitoring device, the mobile terminal being provided with a monitoring APP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020448631.0U CN212254405U (en) | 2020-03-30 | 2020-03-30 | Temperature difference monitoring device and system of distribution box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020448631.0U CN212254405U (en) | 2020-03-30 | 2020-03-30 | Temperature difference monitoring device and system of distribution box |
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| CN212254405U true CN212254405U (en) | 2020-12-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465754A (en) * | 2021-06-07 | 2021-10-01 | 芯海科技（深圳）股份有限公司 | Temperature monitoring system and temperature monitoring method thereof |
| CN113778151A (en) * | 2021-09-10 | 2021-12-10 | 杭州海兴电力科技股份有限公司 | Electric energy meter terminal temperature control method, device and equipment and electric energy meter |
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2020
- 2020-03-30 CN CN202020448631.0U patent/CN212254405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465754A (en) * | 2021-06-07 | 2021-10-01 | 芯海科技（深圳）股份有限公司 | Temperature monitoring system and temperature monitoring method thereof |
| CN113778151A (en) * | 2021-09-10 | 2021-12-10 | 杭州海兴电力科技股份有限公司 | Electric energy meter terminal temperature control method, device and equipment and electric energy meter |
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