CN113328362B - High-efficient radiating 10KV small-size intelligent fixed switch equipment - Google Patents
High-efficient radiating 10KV small-size intelligent fixed switch equipment Download PDFInfo
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- CN113328362B CN113328362B CN202110400478.3A CN202110400478A CN113328362B CN 113328362 B CN113328362 B CN 113328362B CN 202110400478 A CN202110400478 A CN 202110400478A CN 113328362 B CN113328362 B CN 113328362B
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- collecting tank
- rainwater
- infrared
- outer case
- main body
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
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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
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a 10KV small-sized intelligent fixed switch device with high-efficiency heat dissipation, which comprises an outer case and a switch device main body fixedly arranged in the outer case, wherein a heat storage cavity is formed between the switch device main body and the outer case, the top of the outer case is inwards concave to form a collecting tank, the top of the collecting tank is provided with a rainwater collecting port for receiving rainwater, two sides of the collecting tank are symmetrically hinged with sealing plates for plugging the rainwater collecting port, the lower surface of the left sealing plate is fixedly provided with an infrared emission module for emitting infrared rays, rainwater is collected through the collecting tank in rainy days, the bottom of the collecting tank is also provided with a collecting tank provided with a pump, a temperature sensor for monitoring heating temperature is arranged in the switch device main body, the right outer wall of the outer case is provided with a control component electrically connected with the temperature sensor, when the temperature is too high, the control assembly gives an alarm, and the control pump sprays rainwater to the outer wall of the switchgear main body to rapidly cool the switchgear main body.
Description
Technical Field
The invention belongs to the related technical field of electrical equipment, and particularly relates to a 10KV small intelligent fixed switch device with efficient heat dissipation.
Background
The switch equipment is the electric power and electrical equipment commonly used in electric power, industrial production and residential areas, and widely comprises high-low voltage switch cabinets, circuit breakers, isolating switches, load switches, combined electrical appliances, electrical complete sets and the like. The external line of the switch cabinet firstly enters the main control switch in the cabinet and then enters the branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. Because the switch device has more internal electrical elements, the switch device is easy to overheat under long-time load, and further the circuit is easy to damage.
The existing small-sized intelligent fixed switch equipment technology has the following problems: traditional small-size intelligent fixed switchgear's radiating efficiency is relatively poor, and the result of use is not obvious, and internal component very easily damages under the high thermal environment to cause great economic loss for the power consumption unit.
Disclosure of Invention
The invention aims to provide a 10KV small intelligent fixed switch device with high-efficiency heat dissipation so as to solve the problem of poor heat dissipation efficiency in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency heat-dissipation 10KV small-sized intelligent fixed switch device comprises an outer case and a switch device main body fixedly mounted in the outer case, wherein a heat storage cavity is formed between the switch device main body and the outer case, the top of the outer case is inwards concave to form a collecting tank, and a rainwater collecting port for receiving rainwater is formed in the top of the collecting tank;
sealing plates for sealing the rainwater collecting port are symmetrically hinged to two sides of the collecting tank, and an infrared emitting module for emitting infrared rays is fixedly mounted on the lower surface of the left sealing plate;
a floating plate capable of floating on the rainwater level is accommodated at the bottom of the collecting tank, and an infrared receiving module for receiving infrared rays emitted by the infrared emitting module is fixedly mounted on the upper surface of the left side of the floating plate;
the bottom of the collecting tank is inwards sunken, a water pumping device is fixedly installed in the collecting tank, and a temperature sensor for monitoring heating temperature is installed in the switchgear main body;
the right outer wall of the outer case is provided with a control component electrically connected with the temperature sensor, and the control component is in signal connection with the infrared receiving module;
radiating notches for heat dissipation are symmetrically formed in two sides of the outer case, and a water outlet for water drainage is formed in the outer case below the radiating notches.
Preferably, the infrared emission module comprises a first waterproof shell and an infrared emitter fixedly installed in the first waterproof shell, and a first through hole for light to penetrate out is formed in the lower surface of the first waterproof shell.
Preferably, the infrared receiving module comprises a second waterproof shell and an infrared receiver obliquely fixed in the second waterproof shell, and a second through hole for light to enter is formed in the upper surface of the second waterproof shell.
Preferably, a plurality of water guide holes are densely distributed on the floating plate.
Preferably, the water pumping device comprises a pump, the output end of the pump is communicated with one end of a three-way pipe, the other two ends of the three-way pipe are communicated with water guide pipes, the other ends of the two water guide pipes are fixedly connected with atomizing nozzles which incline to the switchgear main body, and a fixing frame plate for fixing the atomizing nozzles is fixedly connected to the cavity wall of the heat storage cavity.
Preferably, a first light-transmitting film is fixedly arranged in the first through hole, and a second light-transmitting film is fixedly arranged in the second through hole.
Preferably, the control assembly includes the shell body to and install the inside controller at the shell body, be provided with the pilot lamp on the shell body, be provided with loudspeaker on the shell body of pilot lamp downside, pilot lamp, loudspeaker all are connected with the controller electricity.
Preferably, the rainwater collecting opening is fixedly provided with a filter screen, the radiating groove opening is fixedly provided with a radiating net, and the front end face of the outer case is hinged with a case door plate.
Compared with the prior small-sized intelligent fixed switch equipment technology, the invention provides a high-efficiency heat-dissipation 10KV small-sized intelligent fixed switch equipment, which has the following beneficial effects:
1. according to the invention, the outer case is additionally arranged outside the switchgear main body, the collecting tank is arranged at the top of the outer case, rainwater is collected through the collecting tank in rainy days, the collecting tank provided with a pump is also arranged at the bottom of the collecting tank, the temperature sensor used for monitoring heating temperature is arranged in the switchgear main body, the control component electrically connected with the temperature sensor is arranged on the outer wall of the right side of the outer case, when the temperature is too high, the control component gives an alarm, and the water pumping device is controlled to pump and spray rainwater to the outer wall of the switchgear main body, so that the switchgear main body is rapidly cooled;
2. according to the invention, two seal plates are symmetrically hinged on two sides of a collecting tank, an infrared emission module for emitting infrared rays is fixedly arranged on the lower surface of a left seal plate, a floating plate capable of floating on the rainwater level is accommodated at the bottom of the collecting tank, an infrared receiving module for receiving infrared rays emitted by the infrared emission module is fixedly arranged on the upper surface of the left side of the floating plate, when the floating plate is positioned at the bottom of the collecting tank, the rainwater in the collecting tank reaches an alert position, at the moment, the infrared emission module on the left seal plate is exactly aligned with the infrared receiving module on the floating plate, so that an alert signal is emitted, a pump in a collecting tank is effectively protected, and meanwhile, the seal plates are arranged, so that rainwater cannot enter the collecting tank again after the rainwater is collected to the full amount, and the infrared emission module and the infrared receiving module in the collecting tank are protected;
3. according to the invention, the control assembly is arranged on the outer case, the controller receives signals of the temperature sensor and the infrared receiving module, and the indicator lamp and the loudspeaker are used for monitoring and alarming the rainwater storage state of the collecting tank and the overheating state of the equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
fig. 1 is a schematic structural view of a 10KV small intelligent fixed switch device with efficient heat dissipation provided by the invention;
fig. 2 is a schematic structural view of a front cross section of a fixed switchgear according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 2 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2 at C according to the present invention;
in the figure: 1. an outer chassis; 2. a box body door plate; 3. a water outlet; 4. a heat dissipation notch; 5. a heat-dissipating web; 6. a control component; 7. a filter screen; 8. a rainwater collection port; 9. fixing the frame plate; 10. an atomizing spray head; 11. a switchgear main body; 12. a floating plate; 13. closing the plate; 14. an infrared emitter; 15. a first waterproof shell; 16. a first light-transmitting film; 17. an infrared receiver; 18. a second waterproof shell; 19. a second light-transmitting film; 20. a pump; 21. a three-way pipe; 22. a water conduit; 23. an outer housing; 24. a controller; 25. an indicator light; 26. a horn; 27. temperature sensor.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a10 KV small-sized intelligent fixed switch device capable of dissipating heat efficiently comprises an outer case 1 and a switch device main body 11 fixedly installed in the outer case 1, a heat storage cavity is formed between the switch device main body 11 and the outer case 1, the top of the outer case 1 is inwards concave to form a collecting tank, a rainwater collecting opening 8 used for receiving rainwater is formed in the top of the collecting tank, rainwater enters the collecting tank through the rainwater collecting opening 8 in a rainwater weather, and is used for cooling the switch device main body 11, sealing plates 13 used for sealing the rainwater collecting opening 8 are symmetrically hinged to two sides of the collecting tank, rainwater cannot enter the collecting tank again after the rainwater is fully collected to a designed amount, an infrared transmitting module and an infrared receiving module in the collecting tank are further protected, an infrared transmitting module for transmitting infrared light is fixedly installed on the lower surface of the sealing plate 13 on the left side, a floating plate 12 capable of floating on the rainwater liquid level is arranged at the bottom of the collecting tank, an infrared receiving module for receiving infrared rays emitted by an infrared emitting module is fixedly arranged on the upper surface of the left side of a floating plate 12, when the floating plate 12 is positioned at the bottom of a collecting tank, the fact that the rainwater in the collecting tank reaches the warning position is indicated, at the moment, the infrared emitting module on a left side sealing plate 13 is just aligned with the infrared receiving module on the floating plate 12, so that a warning signal is emitted, a collecting tank with the bottom recessed inwards is arranged at the bottom of the collecting tank, a water pumping device is fixedly arranged in the collecting tank, the rainwater in the collecting tank is pumped by the water pumping device, a temperature sensor 27 for monitoring the heating temperature is arranged in a switchgear main body 11, a control component 6 electrically connected with the temperature sensor 27 is arranged on the outer wall of the right side of an outer case 1, the control component 6 is in signal connection with the infrared receiving module, the temperature sensor 27 is used for monitoring the temperature in the switchgear main body 11 in real time, when the temperature is too high, control assembly 6 sends out the police dispatch newspaper, and the simultaneous control pumping device extracts the rainwater and spouts to 11 outer walls of switchgear main part, carries out rapid cooling to switchgear main part 11, and the bilateral symmetry of quick-witted case 1 outside offers and is used for radiating heat dissipation notch 4, through 4 partial heats of heat dissipation notch, offers the outlet 3 that is used for the drainage on the outer quick-witted case 1 of heat dissipation notch 4 below, by 3 discharge sewage in outlet, takes away partial heat.
In order to protect the water pumping device from being damaged, an infrared transmitting module and an infrared receiving module are arranged on the sealing plate 13 and the floating plate 12, the infrared transmitting module comprises a first waterproof shell 15 and an infrared transmitter 14 fixedly installed in the first waterproof shell 15, a first through hole for light to penetrate out is formed in the lower surface of the first waterproof shell 15, the infrared receiving module comprises a second waterproof shell 18 and an infrared receiver 17 obliquely fixed in the second waterproof shell 18, a second through hole for light to enter is formed in the upper surface of the second waterproof shell 18, when rainwater still exists in the collecting tank, the infrared transmitting module and the infrared receiving module are not aligned, the infrared receiver 17 cannot receive the infrared light emitted by the infrared transmitter 14, the water pumping device can continue to pump water and cool, when the liquid level of the rainwater is lower than the bottom of the collecting tank, the floating plate 12 is positioned at the bottom of the collecting tank, and at this moment, the infrared transmitting module is just aligned with the infrared receiving module, the infrared receiver 17 receives the infrared light emitted by the infrared transmitter 14 and then feeds back a signal to the control component 6, and the control component 6 closes the water pumping device.
In order to make the floating plate 12 float more easily, a plurality of water guiding holes are densely distributed on the floating plate 12, so that rainwater can penetrate through the water guiding holes, and the floating plate 12 floats on the liquid level all the time, thereby effectively protecting the infrared transmitting module and the infrared receiving module.
In order to cool down switchgear main part 11 fast, set up pumping device in gathering together the inslot, pumping device includes pump 20, the output intercommunication of pump 20 has the one end of three-way pipe 21, the other both ends intercommunication of three-way pipe 21 has aqueduct 22, the other end fixedly connected with slope 10 towards switchgear main part 11 of two aqueduct 22, fixedly connected with is used for fixed mounting plate 9 of atomizer 10 on the chamber wall in heat storage chamber, take off at pump 20, carry the rainwater to atomizer 10 along aqueduct 22, spout the outer wall to switchgear main part 11 after being atomized by atomizer 10, cool down switchgear main part 11.
In order to prevent rainwater from entering and damaging the infrared emitter 14 and the infrared receiver 17, a first light-transmitting film 16 is fixedly arranged in the first through hole, and a second light-transmitting film 19 is fixedly arranged in the second through hole, so that rainwater is prevented from entering the first through hole, and the light transmittance is not influenced.
In order to play the warning effect, set up control assembly 6 on outer machine case 1, control assembly 6 includes shell body 23, and install at the inside controller 24 of shell body 23, be provided with pilot lamp 25 on shell body 23, be provided with loudspeaker 26 on the shell body 23 of pilot lamp 25 downside, pilot lamp 25, loudspeaker 26 all are connected with controller 24 electricity, receive the signal of temperature sensor 27 and infrared receiving module through controller 24, and then monitor and report to the police collecting vat rainwater storage state and equipment overheat state through pilot lamp 25 and loudspeaker 26.
In order to play dustproof effect, 8 fixed mounting of mouth have a filter screen 7 are collected to the rainwater, prevent that the dust from getting into and causing the pipeline to block up, 4 fixed mounting of heat dissipation notch have radiator-grid 5, avoid the dust to get into, keep the thermal diffusivity, the preceding terminal surface of outer machine case 1 articulates there is box door plant 2, the accessible is opened box door plant 2 and is maintained the inspection to switchgear main part 11.
The working principle and the using process of the invention are as follows: in rainy days, rainwater enters the collecting groove through the rainwater collecting port 8 and is further used for cooling the switching device main body 11, the infrared transmitting module and the infrared receiving module are not aligned because rainwater still exists in the collecting groove, the infrared receiver 17 cannot receive infrared light rays emitted by the infrared transmitter 14, and the water pumping device can normally work;
when the temperature of the switchgear main body 11 is too high, the temperature sensor 27 on the switchgear main body 11 feeds back a signal to the control assembly 6, the control assembly 6 gives an alarm through the indicator lamp 25 and the horn 26, and the control pump 20 extracts rainwater in the collecting tank, so that the rainwater is conveyed to the atomizing spray head 10 along the water guide pipe 22, is sprayed to the outer wall of the switchgear main body 11 after being atomized by the atomizing spray head 10, and is subjected to cooling treatment on the switchgear main body 11, partial heat is dissipated through the heat dissipation notch 4, and dropped sewage is discharged from the water discharge port 3, and partial heat is taken away, so that the purpose of rapid cooling is achieved;
when pump 20 is when extracting rainwater liquid level after a period and being less than the collecting tank bottom gradually, float board 12 and arrive the collecting tank bottom along with the reduction of liquid level, and infrared emission module on shrouding 13 aligns with the infrared receiving module on floating board 12 just in time this moment, infrared receiver 17 receives behind the infrared light that infrared emitter 14 sent and feeds back control assembly 6 with the signal, and then close pump 20 by control assembly 6, protect pump 20, send the police dispatch newspaper through pilot lamp 25 and loudspeaker 26 simultaneously, the suggestion needs the cooling of adding water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a small-size intelligent fixed switch equipment of high-efficient radiating 10KV, includes outer quick-witted case (1) to and fixed mounting is at the inside switchgear main part (11) of outer quick-witted case (1), its characterized in that: a heat storage cavity is formed between the switchgear main body (11) and the outer case (1), the top of the outer case (1) is inwards concave to form a collecting tank, and the top of the collecting tank is provided with a rainwater collecting port (8) for receiving rainwater;
sealing plates (13) for sealing the rainwater collecting port (8) are symmetrically hinged to two sides of the collecting tank, and an infrared emitting module for emitting infrared light is fixedly mounted on the lower surface of the left sealing plate (13);
a floating plate (12) capable of floating on the rainwater level is accommodated at the bottom of the collecting tank, and an infrared receiving module for receiving infrared rays emitted by the infrared emitting module is fixedly mounted on the upper surface of the left side of the floating plate (12);
the bottom of the collecting tank is inwards sunken, a water pumping device is fixedly installed in the collecting tank, and a temperature sensor (27) for monitoring heating temperature is installed in the switchgear main body (11);
a control component (6) electrically connected with the temperature sensor (27) is arranged on the outer wall of the right side of the outer case (1), and the control component (6) is in signal connection with the infrared receiving module;
radiating notches (4) for radiating heat are symmetrically formed in two sides of the outer case (1), and a water outlet (3) for draining water is formed in the outer case (1) below the radiating notches (4);
the water pumping device comprises a pump (20), the output end of the pump (20) is communicated with one end of a three-way pipe (21), the other two ends of the three-way pipe (21) are communicated with water guide pipes (22), the other ends of the two water guide pipes (22) are fixedly connected with atomizing nozzles (10) which incline to the switchgear main body (11), and the wall of the heat storage cavity is fixedly connected with a fixing frame plate (9) used for fixing the atomizing nozzles (10).
2. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 1, wherein: the infrared emission module comprises a first waterproof shell (15) and an infrared emitter (14) fixedly installed in the first waterproof shell (15), and a first through hole for light to penetrate out is formed in the lower surface of the first waterproof shell (15).
3. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 2, wherein: the infrared receiving module comprises a second waterproof shell (18) and an infrared receiver (17) fixed in the second waterproof shell (18) in an inclined mode, and a second through hole used for light entering is formed in the upper surface of the second waterproof shell (18).
4. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 1, wherein: a plurality of water guide holes are densely distributed on the floating plate (12).
5. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 3, wherein: a first light-transmitting film (16) is fixedly arranged in the first through hole, and a second light-transmitting film (19) is fixedly arranged in the second through hole.
6. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 1, wherein: control assembly (6) include shell body (23) to and install controller (24) inside shell body (23), be provided with pilot lamp (25) on shell body (23), be provided with loudspeaker (26) on shell body (23) of pilot lamp (25) downside, pilot lamp (25), loudspeaker (26) all are connected with controller (24) electricity.
7. The small-sized intelligent fixed switch equipment for high-efficiency heat dissipation of 10KV as claimed in claim 1, wherein: a filter screen (7) is fixedly mounted at the rainwater collecting port (8), a radiating net (5) is fixedly mounted at the radiating groove opening (4), and a box body door plate (2) is hinged to the front end face of the outer case (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110400478.3A CN113328362B (en) | 2021-04-14 | 2021-04-14 | High-efficient radiating 10KV small-size intelligent fixed switch equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110400478.3A CN113328362B (en) | 2021-04-14 | 2021-04-14 | High-efficient radiating 10KV small-size intelligent fixed switch equipment |
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| CN113328362A CN113328362A (en) | 2021-08-31 |
| CN113328362B true CN113328362B (en) | 2022-07-01 |
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| CN202110400478.3A Active CN113328362B (en) | 2021-04-14 | 2021-04-14 | High-efficient radiating 10KV small-size intelligent fixed switch equipment |
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| CN116247544B (en) * | 2023-03-16 | 2023-10-31 | 无锡市冠云换热器有限公司 | Energy-saving type power equipment cooler |
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| US6553723B1 (en) * | 1999-09-29 | 2003-04-29 | Gary Alcorn | Rainwater collection and storage system |
| CN103389144A (en) * | 2013-07-26 | 2013-11-13 | 北京建筑大学 | Under-bridge accumulated water depth detection device and intelligent early warning method |
| CN211047736U (en) * | 2019-12-31 | 2020-07-17 | 台州职业技术学院 | Heat radiator for electronic and electrical equipment |
| CN211151197U (en) * | 2019-10-14 | 2020-07-31 | 上海安昂自动化设备有限公司 | Stainless steel distribution box |
| CN212566353U (en) * | 2020-06-17 | 2021-02-19 | 浙江中新电力工程建设有限公司 | Distributed energy management and control equipment based on internet |
| CN212968677U (en) * | 2020-08-13 | 2021-04-13 | 海口佳源泰电气设备有限公司 | Distribution box capable of automatically radiating heat |
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2021
- 2021-04-14 CN CN202110400478.3A patent/CN113328362B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6553723B1 (en) * | 1999-09-29 | 2003-04-29 | Gary Alcorn | Rainwater collection and storage system |
| CN103389144A (en) * | 2013-07-26 | 2013-11-13 | 北京建筑大学 | Under-bridge accumulated water depth detection device and intelligent early warning method |
| CN211151197U (en) * | 2019-10-14 | 2020-07-31 | 上海安昂自动化设备有限公司 | Stainless steel distribution box |
| CN211047736U (en) * | 2019-12-31 | 2020-07-17 | 台州职业技术学院 | Heat radiator for electronic and electrical equipment |
| CN212566353U (en) * | 2020-06-17 | 2021-02-19 | 浙江中新电力工程建设有限公司 | Distributed energy management and control equipment based on internet |
| CN212968677U (en) * | 2020-08-13 | 2021-04-13 | 海口佳源泰电气设备有限公司 | Distribution box capable of automatically radiating heat |
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| CN113328362A (en) | 2021-08-31 |
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