CN113612141A - Short-circuit alarm device for front-end electric equipment - Google Patents
Short-circuit alarm device for front-end electric equipment Download PDFInfo
- Publication number
- CN113612141A CN113612141A CN202111176432.4A CN202111176432A CN113612141A CN 113612141 A CN113612141 A CN 113612141A CN 202111176432 A CN202111176432 A CN 202111176432A CN 113612141 A CN113612141 A CN 113612141A
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- Prior art keywords
- water tank
- shell
- alarm
- water
- air inlet
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a short-circuit alarm device of front-end electric power equipment, which comprises a metal shell, wherein a water tank is transversely arranged on the inner side of the shell, the space in the shell is vertically separated through the water tank, the upper side of the shell is an air outlet channel, the lower side of the shell is an air inlet channel, an alarm which can be extended out through the control of a magnetic control assembly and a condensate water collecting mechanism connected with the water tank are arranged in the air outlet channel, and a water tank communicated with the water tank is arranged in the air inlet channel. Accelerate the heat discharge, prevent the component from burning out or the emergence of conflagration, have good development prospect.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a short-circuit alarm device for front-end power equipment.
Background
Short circuit means that a circuit or a part of a circuit is shorted. If the load and the power supply are connected together by wires, which is called short circuit, the current provided by the power supply in the short circuit is much larger than the current provided in the access, and if the short circuit occurs, the power supply or equipment can be burned out seriously, so that corresponding elements for preventing the short circuit are often arranged in the front-end power equipment.
The most commonly used elements are air switches, short-circuit warning modules for electrical switchgear of application No. CN201310074626.2, and electrical switchgear, the short-circuit warning module having a housing, an indicating device for indicating the open state of the electrical switchgear in case of a short circuit and a movable release element, wherein the indicating means can be activated by movement of the release element, and the release element is used to form an active connection between the short-circuit alarm module and the electrical switching device, to break the power connection after a short circuit, and to release the indicating means for warning action, but the warning device has very limited warning function when the equipment is arranged in an electric meter box or an electric cabinet, and because when short circuit, the large amount of electric current passes through the circuit, can produce a large amount of heats, can burn out equipment, can lead to the conflagration even when serious, causes the loss of life and property.
Therefore, a short circuit alarm device with strong warning capability, auxiliary heat dissipation and fire hazard reduction is needed.
Disclosure of Invention
The invention aims to provide a low-flow-resistance flange cast steel straight-through stop valve.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a front end electrical equipment short circuit alarm device, includes metal casing, and the inboard of shell transversely is provided with the water tank, and the shell inner space passes through the water tank and separates from top to bottom, and the upside is air outlet channel, and the downside is inlet channel, is provided with the alarm that can probe out through magnetic control assembly control in the air outlet channel and collects the mechanism with the comdenstion water that the water tank is connected, is provided with the basin that communicates with the water tank in the inlet channel.
As a further scheme of the invention: be provided with inlet port and venthole in the inlet channel of shell and the outlet channel respectively, inlet channel's inlet port is seted up at the back of shell, and the gas outlet setting is in the shell bottom, and the slope sets up towards the dorsal part of shell, and outlet channel's air inlet setting is in the front of shell, and the air inlet position is provided with the fan fixed through screw assembly, and the gas outlet setting is at the shell top.
As a further scheme of the invention: the fan embeds has the lithium cell, for fan and alarm power supply when the outage, the alarm passes through pressure spring to be connected in the upper end of magnetic control assembly, and the magnetic force absorption that produces after the circular telegram of magnetic control assembly is fixed.
As a further scheme of the invention: the water tank is arranged in the air inlet channel at a position corresponding to the air inlet, and the whole horizontal height is lower than the air inlet.
As a further scheme of the invention: the condensed water collecting mechanism comprises a guide plate, the guide plate is arranged in the air outlet channel, covers the surface of the inner wall 2/3 of the shell and the upper side surface of the water tank, is made of a material with low heat conductivity coefficient, and protrudes out of the inner wall of the shell.
As a further scheme of the invention: the top surface of the guide plate is a V-shaped inclined surface, the lowest point of the V shape is provided with a guide pipe, and the guide pipe is obliquely communicated to the water tank.
As a further scheme of the invention: the bottom of the guide plate is provided with a drain hole, and the shell is correspondingly provided with a corresponding through hole.
As a further scheme of the invention: the bottom of the water tank is provided with a water outlet head which extends into the water tank, a water outlet which is immersed into the water tank is arranged at the position of the water outlet head, a vertical connecting rod is arranged at the bottom of the alarm, the bottom of the connecting rod is connected with a piston block, and when the alarm is adsorbed by the magnetic control assembly, the piston block seals the water outlet.
As a further scheme of the invention: the upper end of the connecting rod is provided with a fan-shaped piston block at a position corresponding to the conduit, and when the magnetic control assembly loosens the adsorption on the alarm, the fan-shaped piston block seals the communication between the water tank and the conduit.
As a further scheme of the invention: the water tank includes isolation portion and supporting part, and the isolation portion is that hollow cuboid transversely sets up in the shell, cuts off the shell inner space for inlet channel and outlet channel, and upper surface one side of isolation portion is provided with vertical hollow cylindrical supporting part of orientation, and the top at the supporting part is installed with the alarm to the magnetic control subassembly.
Advantageous effects
1. The shell of the invention is internally provided with the guide plate, the water tank and the water tank, the guide plate is used for collecting and guiding water liquid generated by condensation into the water tank, the water liquid is used for reducing the temperature of entering air through heat exchange, the heat dissipation effect is improved, meanwhile, the release of the water liquid in the water tank is linked with the start of the alarm, when in short circuit, the water liquid is released into the water tank, the cooling effect is further improved, the heat discharge is accelerated, and the burning of elements or the occurrence of fire is prevented.
2. The water tank comprises a separation part and a support part, wherein the separation part is a hollow cuboid and is transversely arranged in the shell, the space in the shell is separated into an air inlet channel and an air outlet channel, the air flow channel is divided through the arrangement of the separation part of the water tank, the heat dissipation effect caused by the flowing of air flow is improved, the support part plays a role in supporting the installation of the magnetic control assembly and the alarm, and also plays a role in guiding the movement of the alarm and the connecting rod.
3. The condensed water collecting mechanism comprises a guide plate and a guide pipe, wherein the guide plate is arranged on one surface, corresponding to the back surface of the shell, in the air outlet channel, covers the inner wall of the structure on the back surface of the shell and the surface of the water tank, is made of a material with low heat conductivity coefficient, protrudes out of the inner wall of the shell, the top surface of the shell is a V-shaped inclined surface, the guide pipe is arranged at the lowest point of the V shape, and is obliquely communicated into the water tank.
4. The bottom of the alarm of the invention is provided with a vertical connecting rod, the bottom and the middle section of the connecting rod are both provided with piston blocks, when the alarm is adsorbed by a magnetic control component, the bottom piston block seals a water outlet, when the magnetic control component releases the adsorption on the alarm, the middle section piston block seals the communication between a water tank and a conduit, the middle section piston block is in a fan shape, through the arrangement of the connecting rod and the piston block, when an alarm is adsorbed by the magnetic control component, namely short circuit does not occur, the bottom piston block seals the water outlet, the entering air is cooled only through heat exchange, when the short circuit occurs, the magnetic control component releases the alarm, the alarm drives the connecting rod and the piston block to ascend, the bottom water outlet is unblocked, the communication between the conduit and the water tank is disconnected, the water tank only exchanges air with the outside through the water outlet to discharge the internal water into a water tank, the water level is also limited to be kept at the water outlet height, and the water level is prevented from overflowing, the entering air flow is cooled and humidified through heat exchange and evaporation of water liquid in the water tank, and the heat dissipation effect in the electrical cabinet is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the overall structure of the present invention.
Fig. 3 is a sectional view of the structure of the water tank of the present invention.
FIG. 4 is a schematic view of the link assembly of the present invention.
Fig. 5 is a schematic view of a baffle configuration of the present invention.
In FIGS. 1-5: 1-shell, 2-water tank, 201-isolation part, 202-support part, 3-fan, 4-guide plate, 5-guide pipe, 6-water outlet head, 7-water tank, 8-connecting rod, 9-piston block, 10-alarm, 11-magnetic control component.
Detailed Description
The following will clearly and completely describe the specific technical scheme of the invention with reference to fig. 1-5 in the attached drawings of the specification of the invention;
referring to fig. 1-5, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention; FIG. 2 is a cross-sectional view of the overall construction of the present invention; FIG. 3 is a sectional view of the structure of the water tank of the present invention; FIG. 4 is a schematic view of a connecting rod installation of the present invention; fig. 5 is a schematic view of a baffle configuration of the present invention.
Example 1
The embodiment provides a short circuit alarm device of front end power equipment, including metal casing 1, its characterized in that, the inboard of casing 1 transversely is provided with water tank 2, and 1 inner space of casing passes through water tank 2 and separates from top to bottom, and the upside is air outlet channel, and the downside is inlet channel, is provided with in the air outlet channel alarm 10 that can probe out through 11 controls of magnetic control assembly and collects the mechanism with the comdenstion water that is connected with water tank 2, is provided with the basin 7 with 2 intercommunications of water tank in the inlet channel.
Further, as shown in fig. 2 and 4, the water tank 2 includes a separation part 201 and a support part 202, the separation part 201 is a hollow cuboid, and is transversely disposed in the housing 1, and separates the space in the housing 1 into an air inlet channel and an air outlet channel, the air inlet channel and the air outlet channel of the housing 1 are respectively provided with an air inlet hole and an air outlet hole, the air inlet hole of the air inlet channel is disposed on the back side of the housing 1, the air outlet is disposed at the bottom of the housing 1, and is inclined toward the back side of the housing 1, the air inlet of the air outlet channel is disposed on the front side of the housing 1, the air inlet position is provided with a fan 3 fixed by a screw assembly, the fan 3 is internally provided with a lithium battery for supplying power to the fan 3 and the alarm 10 when power is off, the air outlet is disposed at the top of the housing 1, one side of the upper surface of the separation part 201 is provided with the support part 202 vertically facing the hollow cylinder, the magnetic control assembly 11 and the alarm 10 are mounted at the top of the support part 202, the alarm 10 is connected to the upper end of the magnetic control assembly 11 through a pressure spring and is adsorbed and fixed through magnetic force generated after the magnetic control assembly 11 is electrified;
the air flow channel is divided by the isolation part 201 of the water tank 2, the air inlet channel, the air outlet channel air inlet and the air outlet are arranged in a staggered mode, the overall circulating path of the air flow is enabled to be staggered, the heat dissipation effect caused by air flow is improved, the support part 202 plays a supporting role in mounting the magnetic control assembly 11 and the alarm 10, and also plays a guiding role in movement of the alarm 10 and the connecting rod 8.
Further, the condensed water collecting mechanism comprises a guide plate 4 and a guide pipe 5, the guide plate 4 is arranged on one surface, corresponding to the back surface of the shell 1, in the air outlet channel, covers the lower side 2/3 surface of the inner wall of the back surface structure of the shell 1, is made of a material with low heat conductivity coefficient, protrudes out of the inner wall of the shell 1, the top surface is a V-shaped inclined surface, the guide pipe 5 is arranged at the lowest point of the V shape, and the guide pipe 5 is obliquely communicated into the water tank 2;
through the setting of low coefficient of thermal conductivity's guide plate 4, hot air is when discharging in the regulator cubicle, and the heat that runs off with the heat exchange of guide plate 4 is few, when passing through guide plate 4 and 1 alternate position of shell, with the good low temperature metal casing 1 contact of heat conduction, because of the difference in temperature is too big, makes the steam condensation, is collected by guide plate 4, by in the leading-in water tank 2 of pipe 5 for the air current heat exchange to the entering cools down.
As shown in fig. 5, a drain hole is formed at the bottom of the flow guide plate 4, a corresponding through hole is correspondingly formed in the housing 1, and through the arrangement of the drain hole, the excessive overflowing water can be drained when the water tank 2 is full, so that the water is prevented from being accumulated in the air outlet channel and even being poured into the gas cabinet.
Further, as shown in fig. 3, a water tank 7 is arranged in the air inlet channel at a position corresponding to the air inlet, the overall horizontal height is lower than that of the air inlet, a water outlet head 6 extending into the water tank 7 is arranged at the bottom of the water tank 2, a water outlet submerged in the water tank 7 is arranged at the position of the water outlet head 6, a vertical connecting rod 8 is arranged at the bottom of the alarm 10, piston blocks 9 are arranged at the bottom and the middle section of the connecting rod 8, when the alarm 10 is adsorbed by a magnetic control assembly 11, the water outlet is sealed by the bottom piston block 9, when the magnetic control assembly 11 looses the adsorption of the alarm 10, the middle section piston block 9 seals the communication between the water tank 2 and the conduit 5, and the middle section piston block 9 is fan-shaped;
through the setting of connecting rod 8 and piston block 9, adsorb by magnetic control assembly 11 when alarm 10, when the short circuit does not take place promptly, bottom piston block 9 seals the delivery port, only cool off the air that gets into through the heat exchange, fan-shaped piston block 9 can not obstruct in pipe 5 water liquid flows into water tank 2 yet, when the short circuit takes place, magnetic control assembly 11 loosens alarm 10, alarm 10 drives connecting rod 8 and piston block 9 and rises, the bottom delivery port is unblocked, the intercommunication disconnection of pipe 5 and water tank 2, water tank 2 only passes through delivery port and external exchange air with inside water liquid discharge to basin 7 in, also restrict the surface of water height and keep at the delivery port height, prevent that water liquid from spilling over, cool off and the humidification to the air current that gets into through the heat exchange and the evaporation of water liquid in basin 7, the radiating effect in the regulator cubicle is improved.
When the technical scheme of the embodiment is implemented, the device is fixed in an electrical cabinet through a screw assembly, an air inlet and an air outlet are communicated with the outside, a power supply of the device is connected to an air switch in the electrical cabinet, when the air switch is normally communicated, the alarm 10 is limited under the adsorption effect of magnetic force after being electrified by a magnetic control assembly 11 and is in an unexcited state, a fan 3 is electrified to operate, hot air in the electrical cabinet is pumped out and is exhausted through an air outlet channel, when the hot air passes through the joint of a guide plate 4 and a shell 1, moisture in the air is condensed due to temperature difference between the hot air and the shell 1, condensed water drops are converged through the top inclined plane of the guide plate 4 and are guided into a water tank 2 through a guide pipe 5 to be stored, the air pressure in the electrical cabinet is reduced due to the exhaust of the air, outside air flows into the air through the air inlet of the air inlet channel under the pressure and flows through the bottom surface of the water tank 2, the heat exchange is carried out with the liquid in the water tank 2, the air temperature is reduced, the heat dissipation effect in the electrical cabinet is improved, when the circuit is short-circuited, namely the air switch is disconnected, the circuit in the device is switched to the power supply of the storage battery in the fan 3, the power supply of the magnetic control assembly 11 is disconnected, the alarm 10 is extended out under the action of the pressure spring after losing the magnetic force, the alarm on light and sound is carried out, the short circuit is reminded, meanwhile, the alarm 10 drives the piston block 9 on the connecting rod 8 to ascend through the bottom connecting rod 8, the bottom piston block 9 is disconnected to seal the water outlet of the water outlet head 6, the water outlet is communicated, the water liquid in the water tank 2 is discharged into the water tank 7 through the water outlet, the middle piston block 9 blocks the communication between the conduit 5 and the water tank 2, the water tank 2 discharges the internal water into the water tank 7 only through the air exchange between the water outlet and the outside, when the water liquid in the water tank 7 does not pass through the water outlet, under the action of air pressure, the water liquid stops flowing out, and the restriction surface of water height keeps at the delivery port height, prevents that water liquid from overflowing to outside the basin 7, cools off and humidifies the air current of entering through the heat exchange and the evaporation of water liquid in the basin 7, improves the heat conduction effect of the air in the regulator cubicle, also reduces air temperature, improves the radiating effect.
Example 2
This example differs from example 1 in that: the guide plate 4 covers the surface of the inner wall 2/3 of the shell 1 and the upper side surface of the water tank 2 at the same time;
Claims (10)
1. A front end electrical equipment short circuit warning device, comprising:
the shell (1) is made of metal and fixed inside the power distribution cabinet;
the water tank (2) is transversely arranged in the shell (1) and divides the space in the shell (1) into an air outlet channel and an air inlet channel from top to bottom;
the magnetic control assembly (11) is fixed on the water tank (2);
the alarm (10) is movably connected with the magnetic control assembly (11) through a pressure spring, is adsorbed and limited through magnetic force generated by electrifying the magnetic control assembly (11), and can extend out of the top of the shell (1);
the condensed water collecting mechanism is used for collecting condensed water generated in the air outlet channel and guiding the condensed water into the water tank (2);
and the water tank (7) is arranged in the air inlet channel and is communicated with the water tank (2).
2. The short-circuit warning device for front-end electrical equipment according to claim 1, wherein: be provided with inlet port and venthole in the inlet channel of shell (1) and the outlet channel respectively, inlet channel's inlet port is seted up at the back of shell (1), and the gas outlet setting is in shell (1) bottom, and the slope sets up towards the dorsal part of shell (1), and outlet channel's air inlet setting is in the front of shell (1), and the air inlet position is provided with fan (3) fixed through screw assembly, and the gas outlet setting is at shell (1) top.
3. The short-circuit warning device for front-end electrical equipment according to claim 2, wherein: the fan (3) is internally provided with a lithium battery, and is charged when being powered on and supplies power to the fan (3) and the alarm (10) when being powered off.
4. The short-circuit warning device for front-end electrical equipment according to claim 2, wherein: the water tank (7) is arranged in the air inlet channel and at a position corresponding to the air inlet, and the whole horizontal height is lower than the air inlet.
5. The short circuit warning device for a front end electric power equipment as claimed in claim 1, wherein said condensed water collecting mechanism comprises:
the guide plate (4) is arranged in the air outlet channel, covers the surface of the inner wall 2/3 of the shell (1) and the upper side surface of the water tank, is made of a material with low heat conductivity coefficient, and protrudes out of the inner wall of the shell (1);
and the guide pipe (5) is connected to the top surface of the guide plate (4) and is communicated with the water tank (2).
6. The front-end power equipment short circuit warning device of claim 5, wherein: the top surface of the guide plate (4) is a V-shaped inclined surface, and the guide pipe (5) is arranged at the lowest point of the V-shaped surface.
7. The front-end power equipment short circuit warning device of claim 5, wherein: the bottom of the guide plate (4) is provided with a drain hole, and the shell (1) is correspondingly provided with a corresponding through hole.
8. A front-end power equipment short-circuit warning device according to claim 1, characterized in that the water tank (2) comprises:
the isolation part (201) is a hollow cuboid and is transversely arranged in the shell (1) to separate the space in the shell (1) into an air inlet channel and an air outlet channel;
the supporting part (202) is arranged on one side of the upper surface of the isolating part (201) and is of a vertically-oriented hollow cylindrical structure, and the magnetic control assembly (11) and the alarm (10) are installed at the top of the supporting part (202).
9. A front end power plant short circuit warning device in accordance with claim 8, wherein said water tank (2) further comprises:
the water outlet head (6) is arranged at the bottom of the water tank (2) and extends into the water tank (7), and the surface of the water outlet head is provided with a closable water outlet hole communicated with the water tank (2).
10. The short-circuit alarm device for the front-end electric power equipment according to claim 9, wherein a vertical connecting rod (8) is arranged at the bottom of the alarm (10), piston blocks (9) are arranged at the bottom and the middle section of the connecting rod (8), when the alarm (10) is adsorbed by the magnetic control assembly (11), the bottom piston block (9) seals a water outlet, when the magnetic control assembly (11) loosens the adsorption of the alarm (10), the middle piston block (9) seals the communication between the water tank (2) and the conduit (5), and the middle piston block (9) is fan-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111176432.4A CN113612141A (en) | 2021-10-09 | 2021-10-09 | Short-circuit alarm device for front-end electric equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111176432.4A CN113612141A (en) | 2021-10-09 | 2021-10-09 | Short-circuit alarm device for front-end electric equipment |
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Publication Number | Publication Date |
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CN113612141A true CN113612141A (en) | 2021-11-05 |
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Application Number | Title | Priority Date | Filing Date |
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CN202111176432.4A Withdrawn CN113612141A (en) | 2021-10-09 | 2021-10-09 | Short-circuit alarm device for front-end electric equipment |
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CN (1) | CN113612141A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108323105A (en) * | 2018-01-31 | 2018-07-24 | 郑州启硕电子科技有限公司 | A kind of automation equipment cabinet of cooling antistatic |
CN111734922A (en) * | 2019-08-22 | 2020-10-02 | 徐树强 | Low-power consumption cloud computer machine case is with multi-functional heat dissipation base |
CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
CN213402556U (en) * | 2020-09-25 | 2021-06-08 | 广东安第斯电源有限公司 | High-stability anti-interference UPS (uninterrupted Power supply) |
CN113067257A (en) * | 2021-03-29 | 2021-07-02 | 南京华脉科技股份有限公司 | Electric automation control's heat dissipation regulator cubicle |
-
2021
- 2021-10-09 CN CN202111176432.4A patent/CN113612141A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108323105A (en) * | 2018-01-31 | 2018-07-24 | 郑州启硕电子科技有限公司 | A kind of automation equipment cabinet of cooling antistatic |
CN111734922A (en) * | 2019-08-22 | 2020-10-02 | 徐树强 | Low-power consumption cloud computer machine case is with multi-functional heat dissipation base |
CN213402556U (en) * | 2020-09-25 | 2021-06-08 | 广东安第斯电源有限公司 | High-stability anti-interference UPS (uninterrupted Power supply) |
CN112739188A (en) * | 2020-12-25 | 2021-04-30 | 广东视控达智能科技有限公司 | High-heat-dissipation electromagnetic shielding device and heat dissipation method |
CN113067257A (en) * | 2021-03-29 | 2021-07-02 | 南京华脉科技股份有限公司 | Electric automation control's heat dissipation regulator cubicle |
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Application publication date: 20211105 |
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