CN110987206A - Bus duct connecting cover plate temperature rise early warning display device - Google Patents
Bus duct connecting cover plate temperature rise early warning display device Download PDFInfo
- Publication number
- CN110987206A CN110987206A CN201911244933.4A CN201911244933A CN110987206A CN 110987206 A CN110987206 A CN 110987206A CN 201911244933 A CN201911244933 A CN 201911244933A CN 110987206 A CN110987206 A CN 110987206A
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- Prior art keywords
- bus duct
- cover plate
- temperature sensing
- early warning
- display device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2219/00—Thermometers with dedicated analog to digital converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
The invention discloses a temperature rise early warning display device for a bus duct connecting cover plate, which belongs to the technical field of power transmission equipment and comprises a cover plate, a digital display screen, a non-contact digital temperature sensing probe and an MCU (microprogrammed control unit), wherein the non-contact digital temperature sensing probe is detachably distributed on a bus duct through a quick-release bracket, the quick-release bracket comprises a base, a lock ring and a locking sleeve, the lock ring is arranged at the top of the base, the lock ring is provided with a lock groove, the locking sleeve is sleeved at the front end of the non-contact digital temperature sensing probe, the outer side of the locking sleeve is provided with a locking elastic sheet matched with the lock groove, the MCU micro-control unit displays the monitoring temperature data of the non-contact digital temperature sensing probe through the digital display screen, the temperature monitoring and temperature rise early warning of the bus duct are realized, and the conventional bus duct power supply system, and other structural changes to the existing bus duct power supply system are not needed.
Description
Technical Field
The invention relates to the technical field of power transmission equipment, in particular to a temperature rise early warning display device for a bus duct connecting cover plate.
Background
The bus duct is a closed metal device formed from copper and aluminium bus posts, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects.
Along with the increasing development of modern construction, the utilization ratio of the bus duct is higher and higher. The current bus duct can generate heat to different degrees when in work, and particularly, a series of bad phenomena can be generated after the temperature rises in an intensive bus duct. For example, the temperature rise directly affects the loss of electric energy, the aging of the insulating material is rapid, the service life of the bus duct is shortened, the stress of the metal conductor begins to relax after being heated, so that the mechanical strength of the bus duct is reduced, the aging of surrounding insulating material equipment is accelerated (such as electric wires and cables or electric insulation supports which are adjacently lapped or switched with the bus duct and the like), and further, a power supply fault is caused, even a fire accident is caused.
Conventional manual work is patrolled and examined, and unable effectual discovery heat accumulation point avoids the secondary disaster that high temperature accumulation causes, lacks the feasible scheme that can swiftly, effectual set up bus duct temperature monitoring system among the prior art.
Disclosure of Invention
The invention aims to provide a temperature rise early warning display device for a bus duct connecting cover plate, which is used for monitoring the temperature of a bus duct.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a bus duct connecting cover plate temperature rise early warning display device comprises a cover plate, a digital display screen, a plurality of groups of non-contact digital temperature sensing probes and an MCU (microprogrammed control unit), wherein the digital display screen is fixedly arranged at the top of the cover plate, the non-contact digital temperature sensing probes are detachably distributed on a bus duct through a quick-release bracket, and the non-contact digital temperature sensing probes and the digital display screen are respectively in communication connection with a communication port of the MCU;
the quick-release support comprises a base, a locking ring and a locking sleeve, wherein the base is fixedly arranged inside the bus duct, the locking ring is arranged at the top of the base, a locking groove is formed in the locking ring, the locking sleeve is sleeved at the front end of the non-contact digital temperature sensing probe, and a locking elastic sheet matched with the locking groove is arranged on the outer side of the locking sleeve.
Preferably, the bus duct further comprises a wireless communication module, an antenna of the wireless communication module is arranged on the outer side of the bus duct, the antenna gain of the wireless communication module antenna is 3-5 dBi, the MCU micro control unit is provided with an address coding module through a digital display screen of the wireless communication module in an embedded mode.
Preferably, in the single-section bus duct, the setting distance of the non-contact digital temperature sensing probes is not more than 3m, the detection ends of the non-contact digital temperature sensing probes arranged in the bus duct groove body point to the axial lead position of the conductor group, and the detection ends of the non-contact digital temperature sensing probes arranged on the bus duct connector point to the switching position of the adjacent conductor group.
Preferably, the locking groove is an annular gap, the locking groove is arranged in the middle of the locking ring, and two ends of the inner side of the annular gap are symmetrically provided with gradually-changed inclined planes;
the locking elastic sheet comprises a deformation part and a limiting part, the limiting part is connected with the locking sleeve through the deformation part, and two groups of compression inclined planes matched with the gradual-change inclined planes are symmetrically arranged at the front end and the rear end of the limiting part.
Preferably, the side protruding positioning pieces are arranged on two sides of the bottom of the base, and the side protruding positioning pieces are fixedly connected with the bus duct through fasteners or are clamped and connected with the bus duct through clamping grooves arranged in the bus duct.
Preferably, the MCU micro control unit is STC89C 51.
By adopting the technical scheme, the base of the quick-release support is fixed on the bus duct, the locking sleeve is sleeved and fixed on the front end of the non-contact digital temperature sensing probe, the front end of the non-contact digital temperature sensing probe penetrates through the locking ring, and the locking sleeve is pushed to slide along the axial direction of the locking ring until the locking elastic sheet is locked in the locking groove of the locking ring; after the non-contact digital temperature sensing probes are arranged, the output ends of the plurality of groups of non-contact digital temperature sensing probes are connected to the communication port of the MCU, the cover plate is covered above the bus duct connector, and the monitored temperature data of the non-contact digital temperature sensing probes are displayed through the digital display screen by the MCU. Preferably, the monitoring temperature is displayed in a mode of a temperature curve, an upper temperature limit threshold value is set through the MCU, and when the temperature of a certain monitoring point exceeds the upper temperature limit threshold value, the color of a display font is changed or a buzzer is arranged externally for prompting. Compared with the prior art, the temperature monitoring and temperature rising early warning of the bus duct are realized, only the cover plate needs to be replaced, the existing bus duct power supply system can be conveniently transformed and upgraded, and other structural changes to the existing bus duct power supply system are not needed.
Drawings
FIG. 1 is a schematic structural diagram of a cover plate and a digital display screen according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the base and the lock ring according to the embodiment of the present invention;
FIG. 3 is a side view of the base and lock ring of the present invention;
FIG. 4 is a front view of the locking sleeve of the present embodiment;
FIG. 5 is a side view of the locking sleeve of the present embodiment;
FIG. 6 is a schematic perspective view of a locking sleeve according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a quick release bracket according to an embodiment of the present invention in a partially disassembled state;
fig. 8 is an axial sectional view of the quick release bracket according to the embodiment of the invention in an assembled state.
In the figure, 10-cover plate, 20-digital display screen, 30-base, 31-side convex positioning sheet, 40-locking ring, 41-locking groove, 42-gradual change inclined surface, 50-locking sleeve, 51-locking elastic sheet, 52-deformation part, 53-limiting part and 54-pressing inclined surface.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-8, the temperature rise early warning display device for the bus duct connection cover plate provided by the invention comprises a cover plate 10 for protecting a bus duct connector, a digital display screen 20 for displaying a temperature monitoring condition, a plurality of groups of non-contact digital temperature sensing probes for detecting the temperature of a conductor group, a buzzer and an MCU micro control unit, wherein the digital display screen 20 is fixedly arranged at the top of the cover plate 10, the non-contact digital temperature sensing probes are detachably distributed on the bus duct through a quick-release bracket, the non-contact digital temperature sensing probes, the buzzer and the digital display screen 20 are respectively in communication connection with a communication port of the MCU micro control unit, and the MCU micro control unit displays the monitoring temperature data of the non-contact digital temperature sensing probes through the digital display screen 20;
the quick-release support comprises a base 30, a locking ring 40 and a locking sleeve 50, wherein the base 30 is fixedly arranged inside the bus duct, the locking ring 40 is arranged at the top of the base 30, a locking groove 41 is formed in the locking ring 40, the locking sleeve 50 is sleeved at the front end of the non-contact digital temperature sensing probe, and a locking elastic sheet 51 matched with the locking groove 41 is arranged on the outer side of the locking sleeve 50.
Specifically, when the non-contact digital temperature sensing probe is arranged, the base 30 of the quick-release bracket is fixed on the bus duct, the locking sleeve 50 is sleeved and fixed on the front end of the non-contact digital temperature sensing probe, the front end of the non-contact digital temperature sensing probe penetrates through the locking ring 40, and the locking sleeve 50 is pushed to slide axially along the locking ring 40 until the locking elastic sheet 51 is locked in the locking groove 41 of the locking ring 40; after the non-contact digital temperature sensing probes are arranged, the output ends of a plurality of groups of non-contact digital temperature sensing probes are connected to the communication port of the MCU, then the cover plate 10 is covered above the bus duct connector, and the monitored temperature data of the non-contact digital temperature sensing probes are displayed through the digital display screen 20 by the MCU. Preferably, the monitoring temperature is displayed in a mode of a temperature curve, an upper temperature limit threshold value is set through the MCU, and when the temperature of a certain monitoring point exceeds the upper temperature limit threshold value, the color of a display font is changed or a buzzer is arranged externally for prompting. Correspondingly, in order to conveniently distinguish temperature monitoring data at different positions, the temperature monitoring data can be distinguished through a communication port connected with the MCU through the non-contact digital temperature sensing probe.
When the non-contact digital temperature sensing probe needs to be disassembled or replaced, the locking sleeve 50 is pushed to slide along the locking ring 40 in the axial direction in the opposite direction, and the locking elastic sheet 51 is separated from the locking groove 41.
Through above-mentioned scheme, for prior art, realized temperature monitoring, the temperature rise early warning to the bus duct, only need to change apron 10, alright with convenient reform transform the upgrading to current bus duct power supply system, need not to carry out other structural changes to current bus duct power supply system.
Further, bus duct connection cover plate temperature rise early warning display device still includes wireless communication module, wireless communication module's antenna setting is in the bus duct outside, the antenna gain of wireless communication module antenna is 3 ~ 5dBi, in this antenna gain, can keep better penetrating effect, avoid wall body or other barriers to influence signal transmission, MCU little the control unit passes through wireless communication module digital display screen 20, the embedded address coding module that is provided with of MCU little the control unit, carry out the address coding sign to MCU little the control unit transmission for digital display screen 20's data package through the address coding module.
Furthermore, in the single-section bus duct, the setting distance of the non-contact digital temperature sensing probes is not more than 3m, the detection ends of the non-contact digital temperature sensing probes arranged in the bus duct groove body point to the axial lead position of the conductor group, and the detection ends of the non-contact digital temperature sensing probes arranged on the bus duct connector point to the switching position of the adjacent conductor group, so that the non-contact digital temperature sensing probes can accurately detect the temperature of the conductor group body or the switching position of the adjacent conductor group.
Further, the locking groove 41 is a ring-shaped gap, the locking groove 41 is arranged in the middle of the locking ring 40, and the two ends of the inner side of the ring-shaped gap are symmetrically provided with gradual-change inclined planes 42;
the locking elastic sheet 51 comprises a deformation part 52 and a limiting part 53, the limiting part 53 is connected with the locking sleeve 50 through the deformation part 52, and two groups of pressing inclined surfaces 54 matched with the gradual-change inclined surface 42 are symmetrically arranged at the front end and the rear end of the limiting part 53.
Specifically, when the non-contact digital temperature sensing probe is arranged, the locking sleeve 50 is pushed to slide axially along the locking ring 40, the pressing inclined surface 54 at the front end of the limiting part 53 is pressed to drive the deformation part 52 to bend towards one side of the axial lead of the locking sleeve 50, the limiting part 53 is extruded through the locking ring 40, when the limiting part 53 slides to be embedded in the annular gap, the deformation part 52 is recovered, and the non-contact digital temperature sensing probe is limited and fixed in the locking ring 40 under the condition that the locking sleeve 50 is not influenced by external force; similarly, when the locking sleeve 50 is pushed in the opposite direction, the pressing inclined surface 54 at the rear end of the limiting part 53 is pressed by the gradually-changed inclined surface 42 to drive the deformation part 52 to bend towards one side of the axial line of the locking sleeve 50, the limiting part 53 is pressed through the locking ring 40, and the locking sleeve 50 is separated from the locking ring 40.
Further, side protruding positioning pieces 31 are disposed on two sides of the bottom of the base 30, the side protruding positioning pieces 31 are fixedly connected with the bus duct through fasteners, or are clamped and connected with the bus duct through a clamping groove disposed inside the bus duct, in this embodiment, the side protruding positioning pieces 31 are fixedly connected with the bus duct through fasteners.
Further, the MCU is STC89C51, and has lower power consumption and higher processing speed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (6)
1. The utility model provides a bus duct link cover board temperature rise early warning display device which characterized in that: the bus duct temperature measurement device comprises a cover plate (10), a digital display screen (20), a plurality of groups of non-contact digital temperature sensing probes and an MCU (microprogrammed control unit), wherein the digital display screen (20) is fixedly arranged at the top of the cover plate (10), the non-contact digital temperature sensing probes are detachably distributed on the bus duct through a quick-release bracket, and the non-contact digital temperature sensing probes and the digital display screen (20) are respectively in communication connection with a communication port of the MCU;
the quick-release support comprises a base (30), a lock ring (40) and a locking sleeve (50), wherein the base (30) is fixedly arranged inside a bus duct, the lock ring (40) is arranged at the top of the base (30), a lock groove (41) is formed in the lock ring (40), the locking sleeve (50) is sleeved at the front end of the non-contact digital temperature sensing probe, and a locking elastic sheet (51) matched with the lock groove (41) is arranged on the outer side of the locking sleeve (50).
2. The bus duct connection cover plate temperature rise early warning display device of claim 1, wherein: still include wireless communication module, wireless communication module's antenna setting is in the bus duct outside, the antenna gain of wireless communication module antenna is 3 ~ 5dBi, MCU microcontrol unit passes through wireless communication module digital display screen (20), MCU microcontrol unit embeds is provided with the address coding module.
3. The bus duct connection cover plate temperature rise early warning display device of claim 1, wherein: in the single-section bus duct, the setting distance of the non-contact digital temperature sensing probes is not more than 3m, the detection ends of the non-contact digital temperature sensing probes arranged in the bus duct groove body point to the axial lead position of the conductor group, and the detection ends of the non-contact digital temperature sensing probes arranged on the bus duct connector point to the switching position of the adjacent conductor group.
4. The bus duct connection cover plate temperature rise early warning display device of claim 1, wherein: the lock groove (41) is a ring-shaped notch, the lock groove (41) is arranged in the middle of the lock ring (40), and two ends of the inner side of the ring-shaped notch are symmetrically provided with gradual-change inclined planes (42);
the locking elastic sheet (51) comprises a deformation part (52) and a limiting part (53), the limiting part (53) is connected with the locking sleeve (50) through the deformation part (52), and two groups of pressing inclined planes (54) matched with the gradual change inclined plane (42) are symmetrically arranged at the front end and the rear end of the limiting part (53).
5. The bus duct connection cover plate temperature rise early warning display device of claim 1, wherein: lateral convex positioning pieces (31) are arranged on two sides of the bottom of the base (30), and the lateral convex positioning pieces (31) are fixedly connected with the bus duct through fasteners or are clamped and connected with the bus duct through clamping grooves formed in the bus duct.
6. The bus duct connection cover plate temperature rise early warning display device of claim 1, wherein: the MCU micro control unit is STC89C 51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244933.4A CN110987206A (en) | 2019-12-06 | 2019-12-06 | Bus duct connecting cover plate temperature rise early warning display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244933.4A CN110987206A (en) | 2019-12-06 | 2019-12-06 | Bus duct connecting cover plate temperature rise early warning display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110987206A true CN110987206A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911244933.4A Pending CN110987206A (en) | 2019-12-06 | 2019-12-06 | Bus duct connecting cover plate temperature rise early warning display device |
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| Country | Link |
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| CN (1) | CN110987206A (en) |
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Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |