CN114256008A - Dual-power transfer switch - Google Patents
Dual-power transfer switch Download PDFInfo
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- CN114256008A CN114256008A CN202111496097.6A CN202111496097A CN114256008A CN 114256008 A CN114256008 A CN 114256008A CN 202111496097 A CN202111496097 A CN 202111496097A CN 114256008 A CN114256008 A CN 114256008A
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- 238000012546 transfer Methods 0.000 title claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000741 silica gel Substances 0.000 claims abstract description 40
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 40
- 239000002274 desiccant Substances 0.000 claims abstract description 35
- 238000009833 condensation Methods 0.000 claims abstract description 32
- 230000005494 condensation Effects 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 69
- 230000000694 effects Effects 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 9
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 241001482322 Trachemys scripta Species 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
The invention belongs to the field of electrical equipment, and particularly relates to a dual-power-supply changeover switch, which is characterized in that a condensation plate, a first groove, a main flow groove and a diversion groove are arranged, so that water vapor in air in a box body is condensed on the condensation plate and flows into a second groove through the main flow groove and the diversion groove; meanwhile, the through hole is formed in the second groove, and the silica gel drying agent is placed in the through hole, so that the water vapor absorption rate is improved, and the drying of air in the box is further ensured; the knocking hammer and the elastic sheet are arranged to provide vibration for the condensation plate and the second groove, so that the flowing speed of condensed water and the absorption efficiency of the silica gel drying agent are increased; through setting up fan, air intake and air outlet, make external cold air get into the box, blown by the fan below, cool down to electrical apparatus, steam passes the silica gel drier simultaneously, can have the stoving effect to the silica gel drier, increases the life of silica gel drier, and the damp and hot air through the silica gel drier can be followed air outlet department and discharged, protects inside electrical apparatus not influenced by moist environment, increases electrical apparatus life.
Description
Technical Field
The invention belongs to the field of electrical equipment, and particularly relates to a dual-power-supply change-over switch.
Background
In an electric power system, the requirement on power supply reliability is high in some occasions, for example, once power failure accidents occur in coal mines, oil refineries and the like, serious economic loss and even casualties can be caused, so that a common power supply and a standby power supply are required to be prepared in power supply systems of units; when the common power supply can not normally supply power, the standby power supply must be immediately switched on to recover power supply, and in order to achieve the purpose, the common power supply and the standby power supply need to be switched through the dual-power-supply changeover switch so as to ensure the reliability of power supply.
A patent related to a dual power supply change-over switch also appears in the prior art, for example, a dual power supply change-over switch with application number 201922173694.X, which comprises a common breaker, a standby breaker, a driving mechanism and an operating mechanism, wherein the operating mechanism comprises an inflation and deflation mechanism, a common air bag and a standby air bag, the common air bag and the standby air bag are respectively connected with a common slider and a standby slider and are used for driving the common slider and the standby slider to move, and the common slider and the standby slider are respectively matched with the common breaker and the standby breaker and are used for realizing the on-off circuit of the common breaker and the standby breaker under the action of the inflation and deflation mechanism; this dual supply change over switch drives the slider through the effect of inflating gassing mechanism and removes, is connected with slider and reserve slider commonly used respectively through gasbag commonly used and reserve gasbag, will reduce the problem that appears the short circuit between each part of dual supply change over switch.
However, the above device has the following disadvantages: the switch is protected by no box body and cannot be used in a wet environment, if water vapor is condensed on the switch in the rainy season, the high-voltage electrical equipment runs in an environment with the humidity exceeding more than 70% for a long time, the surface of a solid insulator can continuously absorb moisture and form the surface motion of the insulator, a water film is formed near an electrode, ions contained in water can move along the surface of the insulator in an electric field and form accumulation near the point impact, so that the intensity of a local electric field is increased, electric discharge is generated, and the flashover voltage along the surface is reduced; the more severe the moisture absorption, the more the flashover voltage along the surface decreases, and this discharge along the surface of the insulation causes local overheating to carbonization of the insulation surface with strong discharge sounds and arc odours, which ultimately cause relative and interphase short circuit failures, resulting in a major electrical accident.
In view of this, the present invention provides a dual power transfer switch to solve the above technical problem.
Disclosure of Invention
In order to make up the not enough of prior art, solve current dual supply change-over switch work safety nature poor under humid environment, electrical equipment insulating properties descends, the phenomenon of discharging appears, and electrical apparatus corrosion is accelerated simultaneously, and electrical apparatus is short-lived, causes the accident scheduling problem easily.
The technical scheme adopted by the invention for solving the technical problems is as follows: a dual-power transfer switch comprises a box body, a condensing mechanism and a switching mechanism; the front side of the box body is provided with a box door, and a handle is arranged on the box door; the box body is characterized in that the left side wall and the right side wall of the box body are respectively connected with a common connector of a common power supply and a standby connector of a standby power supply, the common connector and the standby connector penetrate through the side wall of the box body, the end parts of the common connector and the standby connector, which extend into the box body, are inclined downwards, the common connector is provided with a common stationary contact at the position close to the end part in the box body, and the standby connector is provided with a standby stationary contact at the position close to the end part in the box body; the box back mounted has the pivot, the pivot runs through the back lateral wall and links to each other with slewing mechanism, rotor plate and reserve rotor plate commonly used are installed to the part that the pivot stretches into in the box, one side that the rotor plate kept away from the pivot commonly used is equipped with the movable contact commonly used with the corresponding position of stationary contact commonly used, one side that the pivot was kept away from to reserve rotor plate is equipped with reserve movable contact with the corresponding position of reserve stationary contact, the pivot below is equipped with the cold plate, the lateral wall links firmly about cold plate and box, the box corresponds the position with the cold plate junction and is equipped with the thermovent, the thermovent is toper and main aspects outwards, the inside heat dissipation chamber that is equipped with of cold plate, heat dissipation chamber and thermovent intercommunication.
When the electric appliance works, the common movable contact on the common rotating plate is connected with the common fixed contact of the common connector through the rotating shaft, when a power supply needs to be switched, the rotating mechanism rotates the rotating shaft, so that the standby movable contact on the standby rotating plate is connected with the standby fixed contact of the standby connector, the switching of the power supply is realized, but in wet summer in the south, the water vapor saturation in the air is high, the water vapor is easy to condense on the surface of the equipment, the electric appliance equipment is damaged and accelerated to age, at the moment, the condensing plate arranged in the box body plays a role, the condensing plate can be a copper plate with strong heat conduction capability, through arranging the heat dissipation cavity in the condensing plate, the heat dissipation cavity is communicated with the heat dissipation port arranged on the side wall of the box body, the inside of the condensing plate is communicated with the air, meanwhile, a large amount of heat can be generated when an electric appliance above operates, the temperature difference is generated between the working area of the electric appliance and the condensing plate, when the humidity of the environment is high-temperature and the water vapor in the humid hot air in the working area of the electric appliance can preferentially condense on the surface of the condensing plate, therefore, the saturation of water vapor in the air is reduced, the effect of drying the air is achieved, the electric appliance is prevented from being aged and damaged in a humid environment, meanwhile, the heat dissipation opening is arranged to be conical, the air exchange speed in the heat dissipation cavity can be increased, the heat dissipation efficiency is improved, the temperature difference between the condensation plate and the working area of the upper electric appliance is guaranteed, and the effects of cooling the water vapor and protecting the electric appliance are achieved.
Preferably, the two sides of the condensation plate incline upwards, the middle part of the condensation plate is horizontal, the upper surface of the middle part of the condensation plate is provided with a groove, the bottom of the inner side of the groove is provided with a through hole, the through hole penetrates through the condensation plate, and a silica gel drying agent is placed in the groove.
When the condensing plate works, the two sides of the condensing plate are inclined upwards, condensed water on the condensing plate can slide down along the upper wall of the condensing plate and is concentrated at the middle part, so that the phenomenon that fine condensed water cannot be stranded and cannot be cleaned in time is avoided, meanwhile, the middle part of the condensing plate is provided with a first groove, a through hole is arranged in the first groove, water on the condensing plate can flow into the first groove in a concentrated manner and is discharged to the bottom of a box body from the through hole, and the water at the bottom can be naturally air-dried or manually erased; place the silica gel drier in a groove, can further improve the dry degree of incasement air, guarantee electrical apparatus operation safety, improve electrical apparatus life, the while silica gel drier can absorb and pin the comdenstion water on the condensation plate, prevent during the comdenstion water evaporates the air once more, when the comdenstion water exceedes the absorption limit of silica gel drier, unnecessary moisture can fall down from the through-hole, the through-hole can be plugged up to the silica gel drier, prevent that the comdenstion water air-dry steam of the bottom of the case from getting into electrical apparatus workspace once more.
Preferably, the inclined part of the condensing plate is provided with a main flow groove and a flow distribution groove which are uniform in upper surface, the lower end of the main flow groove is communicated with a first groove, the flow distribution groove is uniformly arranged on two sides of the main flow groove, one end, far away from the main flow groove, of the flow distribution groove is inclined upwards, and the main flow groove and the flow distribution groove form a Y shape.
The during operation, evenly set up sprue and splitter box at the hang down portion of condensing plate, and sprue and splitter box constitution "Y" font, can make the water droplet of condensation on the condensing plate flow into the splitter box when downward flow, and collect the sprue and discharge into a groove at last in the sprue, the speed of gathering of comdenstion water can be improved in the setting like this, prevent that the comdenstion water from not yet flowing into the condition just by the evaporation in a groove, the comdenstion water that collects simultaneously compares in the comdenstion water of dispersion, the surface area is littleer, more difficult evaporation, and mobility is stronger, more easily flow into a groove, compare in smooth condensing plate simultaneously, the air flow effect in sprue and splitter box is poor, also can play the condition that reduces the comdenstion water evaporation, guarantee the normal operating of electrical apparatus.
Preferably, two sides of the middle horizontal part of the condensing plate are respectively provided with an elastic sheet, the rotating shaft is provided with a connecting plate, and one end of the connecting plate, which is far away from the rotating shaft, is provided with a knocking hammer.
When the device works, when a power supply needs to be switched, the rotating shaft is rotated, the common contact and the standby contact are separated and combined, the connecting plate fixedly connected to the rotating shaft rotates along with the rotating shaft, one end, far away from the rotating shaft, of the connecting plate is provided with a knocking hammer, the knocking hammer can impact elastic sheets arranged on two sides of the middle horizontal part of the condensation plate when moving, elastic vibration can be generated when the elastic sheets are impacted, vibration can be transmitted to the condensation plate, condensed water on the condensation plate can flow and gather quickly in vibration, so that the drainage efficiency of the condensed water is improved, the vibration can be transmitted into a first groove at the same time, the vibration can enable the silica gel drying agent to generate displacement, part of the silica gel drying agent absorbs water to reach saturation at a position close to the main flow groove, part of the silica gel drying agent at the center does not absorb water, the vibration enables the drying agent which does not absorb water and the drying agent which absorbs water to be mixed more uniformly, so that the water absorption effect of the silica gel drying agent is improved, when the silica gel drying agent needs to be changed, the box door can be opened for replacement.
Preferably, the two sides of the knocking hammer are hammering blocks, the middle of the knocking hammer is a fixed block, and the hammering blocks are connected with the fixed block through springs.
The during operation, strike the hammer and set up fixed block in the middle of into, both sides are the hammering piece, the fixed block relies on spring coupling with the hammering piece, when needs switching power, the pivot rotates, drive the connecting plate and strike the hammer and rotate, strike the hammer and hit to the flexure strip, strike the spring in the hammer and can compress, prevent that the striking from damaging the flexure strip, spring striking back compression simultaneously, the flexure strip vibrates afterwards, the spring also vibrates thereupon, the vibration effect of flexure strip has been improved, if set up to the strike hammer of rigidity, then after striking, the rigidity is struck the hammer and can be supported on the flexure strip, thereby make the flexure strip stop vibrating, the effect of flexure strip has been lost.
Preferably, a mounting frame is arranged in the box body and close to the upper surface, and a group of fans are uniformly arranged on the lower surface of the mounting frame; the side wall of the back of the box body is provided with an air inlet at a position corresponding to the fan, and the right side wall of the box body is provided with an air outlet.
When the drying box works, the fan is uniformly arranged on the mounting frame above the inner part of the box body, the air inlet is arranged on the side wall of the back surface of the box body, which corresponds to the fan, the air outlet is arranged on the right side wall of the box body, the air blown by the fan moves downwards from the air inlet, the air passes through the silica gel drying agent and enters the lower part of the box body from the through hole, the flowing air can be dried by air and drip condensed water below the box body and is discharged from the air outlet, meanwhile, the fan drives the outside cold air to pass through the working area of the electric appliance, the heat of the electric appliance can be reduced, the fire disaster can be prevented, the temperature of the air passing through the working area of the electric appliance is higher, water can be more easily condensed on the condensing plate, meanwhile, the hot air passes through the silica gel drying agent, the drying effect on the silica gel drying agent can be realized, the service life of the silica gel drying agent is prolonged, the hot and humid air passing through the silica gel drying agent can be discharged from the air outlet, and the filter screen and the drying agent can be placed on the air inlet and the air outlet, the dust is prevented, and simultaneously, the moisture of the entering air is reduced.
The invention has the following beneficial effects:
1. according to the dual-power-supply change-over switch, the condensing plate, the first groove, the main flow groove and the branch flow groove are arranged, so that water vapor in air in the box body is condensed on the condensing plate and flows into the second groove through the main flow groove and the branch flow groove; meanwhile, the through hole is formed in the second groove, and the silica gel drying agent is placed in the through hole, so that the water vapor absorption rate is improved, and the drying of air in the box is further ensured; the knocking hammer and the elastic sheet are arranged to provide vibration for the condensation plate and the second groove, the flowing speed of condensed water and the absorption efficiency of the silica gel drying agent are increased, the internal electric appliance is protected from being affected by a damp environment, and the service life of the electric appliance is prolonged.
2. According to the dual-power-supply change-over switch, the fan, the air inlet and the air outlet are arranged, so that external cold air enters the box body and is blown downwards by the fan to cool an electric appliance, meanwhile, hot air passes through the silica gel desiccant, the silica gel desiccant can be dried, the service life of the silica gel desiccant is prolonged, and the hot and humid air passing through the silica gel desiccant can be discharged from the air outlet.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an internal perspective view of the present invention;
FIG. 3 is an interior elevation view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
in the figure: the refrigerator comprises a refrigerator body 1, a refrigerator door 11, a handle 12, a mounting frame 13, a fan 131, an air inlet 14, an air outlet 15, a condensation mechanism 2, a condensation plate 21, a first groove 211, a through hole 212, a main flow groove 213, a diversion groove 214, an elastic sheet 215, a heat dissipation port 22, a heat dissipation cavity 23, a switching mechanism 3, a common connector 31, a common fixed contact 311, a spare connector 32, a spare fixed contact 321, a rotating shaft 33, a common rotating plate 34, a common movable contact 341, a spare rotating plate 35, a spare movable contact 351, a connecting plate 36, a knocking hammer 37, a hammering block 371 and a fixed block 372.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the dual power supply changeover switch of the present invention includes a box body 1, a condensing mechanism 2 and a switching mechanism 3; the front surface of the box body 1 is provided with a box door 11, and the box door 11 is provided with a handle 12; the left side wall and the right side wall of the box body 1 are respectively connected with a common connector 31 of a common power supply and a standby connector 32 of a standby power supply, the common connector 31 and the standby connector 32 penetrate through the side wall of the box body 1, the end part of the common connector 31 and the end part of the standby connector 32, which extend into the box body 1, are inclined downwards, a common stationary contact 311 is arranged at the position, close to the end part, of the common connector 31 in the box body 1, and a standby stationary contact 321 is arranged at the position, close to the end part, of the standby connector 32 in the box body 1; the back mounted of box 1 has pivot 33, pivot 33 runs through the back lateral wall and links to each other with slewing mechanism, the part that pivot 33 stretched into in the box 1 installs rotor plate 34 and reserve rotor plate 35 commonly used, one side that pivot 33 was kept away from to rotor plate 34 commonly used is equipped with common movable contact 341 with the position that common stationary contact 311 corresponds, one side that reserve rotor plate 35 kept away from pivot 33 is equipped with reserve movable contact 351 with the position that reserve stationary contact 321 corresponds, pivot 33 below is equipped with condenser plate 21, the lateral wall links firmly about condenser plate 21 and the box 1, box 1 is equipped with thermovent 22 with condenser plate 21 junction corresponding position, thermovent 22 is toper and main aspects outwards, the inside heat dissipation chamber 23 that is equipped with of condenser plate 21, heat dissipation chamber 23 and thermovent 22 intercommunication.
When the device works, the rotating shaft 33 keeps the common movable contact 341 on the common rotating plate 34 connected with the common fixed contact 311 of the common connector 31, when the power supply needs to be switched, the rotating mechanism rotates the rotating shaft 33 to connect the spare movable contact 351 on the spare rotating plate 35 with the spare fixed contact 321 of the spare connector 32, so that the switching of the power supply is realized, but in wet summer in the south, the saturation of water vapor in the air is high, the water vapor is easy to condense on the surface of the device, the damage and the accelerated aging of electrical equipment are caused, at the moment, the condensing plate 21 arranged in the box body 1 plays a role, the condensing plate 21 can be a copper plate with strong heat conduction capability, through arranging the heat dissipation cavity 23 in the condensing plate 21, the heat dissipation cavity 23 is communicated with the heat dissipation port 22 arranged on the side wall of the box body 1, the communication between the interior of the condensing plate 21 and the air is realized, meanwhile, the operation of an electrical appliance above can generate a large amount of heat, so that the temperature difference is generated between the working area of the electrical appliance and the condensing plate 21, when the humidity of environment is big, the vapor in the high temperature humid hot air of electrical apparatus workspace can be preferentially condensed on the surface of condensing plate 21, thereby reduce the saturation of vapor in the air, thereby reach the effect of dry air, prevent that electrical apparatus from ageing and damaging in humid environment, thermovent 22 sets up to be toper simultaneously, can increase the air exchange speed in the heat dissipation chamber 23, improve the radiating efficiency, guarantee the difference in temperature of condensing plate 21 and top electrical apparatus workspace, thereby reach the cooling vapor, protect the effect of electrical apparatus.
In an embodiment of the present invention, two sides of the condensation plate 21 are inclined upward, the middle portion of the condensation plate is horizontal, a first groove 211 is formed on the upper surface of the middle portion of the condensation plate 21, a through hole 212 is formed at the bottom of the inner side of the first groove 211, the through hole 212 penetrates through the condensation plate 21, and a silica gel desiccant is placed in the first groove 211.
When the condensing plate 21 is in work, the two sides of the condensing plate 21 are inclined upwards, condensed water on the condensing plate 21 can slide down along the upper wall of the condensing plate 21 and be concentrated in the middle, so that fine condensed water cannot be stranded and cannot be cleaned in time, meanwhile, a first groove 211 is formed in the middle of the condensing plate 21, a through hole 212 is formed in the first groove 211, water on the condensing plate 21 can flow into the first groove 211 in a concentrated mode and is discharged to the bottom of the box body 1 from the through hole 212, and water at the bottom can be naturally dried or manually erased; place the silica gel drier in groove 211, can further improve the dry degree of incasement air, guarantee electrical apparatus operation safety, improve electrical apparatus life, the silica gel drier can absorb and pin the comdenstion water on the condensing panel 21 simultaneously, prevent during the comdenstion water evaporates the air once more, when the comdenstion water exceedes the absorption limit of silica gel drier, unnecessary moisture can fall from through-hole 212, the through-hole 212 can be stopped up to the silica gel drier, prevent that the comdenstion water air-dry steam of the bottom of the case from getting into electrical apparatus workspace once more.
In one embodiment of the present invention, the upper surface of the inclined portion of the condensation plate 21 is uniform with a main flow channel 213 and a diversion channel 214, the lower end of the main flow channel 213 is communicated with the first flow channel 211, the diversion channel 214 is uniformly arranged on both sides of the main flow channel 213, one end of the diversion channel 214 away from the main flow channel 213 is inclined upwards, and the main flow channel 213 and the diversion channel 214 form a "Y" shape.
During operation, the main flow groove 213 and the diversion groove 214 are uniformly arranged at the inclined part of the condensation plate 21, and the main flow groove 213 and the diversion groove 214 form a Y shape, so that water drops condensed on the condensation plate 21 can flow into the diversion groove 214 when flowing downwards, and are collected into the main flow groove 213 to be finally discharged into the first groove 211, thereby improving the collection speed of condensed water, preventing the condensed water from being evaporated when not flowing into the first groove 211, meanwhile, compared with the dispersed condensed water, the collected condensed water has smaller surface area, is less prone to evaporation, has stronger fluidity, can more easily flow into the first groove 211, and compared with the flat condensation plate 21, the air flow effect in the main flow groove 213 and the diversion groove 214 is poor, can also reduce the evaporation of the condensed water, and ensures the normal operation of the electric appliance.
In one embodiment of the present invention, two elastic pieces 215 are respectively disposed on two sides of the middle horizontal portion of the condensation plate 21, a connection plate 36 is disposed on the rotation shaft 33, and a knocking hammer 37 is disposed on one end of the connection plate 36 away from the rotation shaft 33.
When the device works, when a power supply needs to be switched, the rotating shaft 33 is rotated, the common contact and the standby contact are separated and combined, the connecting plate 36 fixedly connected to the rotating shaft 33 rotates along with the rotating shaft, one end of the connecting plate 36 far away from the rotating shaft 33 is provided with a knocking hammer 37, the knocking hammer 37 can impact the elastic sheets 215 arranged on two sides of the middle horizontal part of the condensation plate 21 when moving, the elastic sheets 215 can generate elastic vibration when being impacted, the vibration can be transmitted to the condensation plate 21, condensed water on the condensation plate 21 can rapidly flow and gather in the vibration, so that the drainage efficiency of the condensed water is improved, the vibration can be transmitted into the first groove 211 at the same time, the vibration can enable the silica gel drying agent to generate displacement, part of the silica gel drying agent absorbs water to reach saturation at a position close to the main flow groove 213, part of the silica gel drying agent at the center does not absorb water, the vibration enables the drying agent which does not absorb water to be uniformly mixed with the drying agent which absorbs water, so that the water absorption effect of the silica gel drying agent is improved, when the silica gel drying agent needs to be replaced, the box door 11 can be opened for replacement.
As an embodiment of the present invention, the hammering block 371 is disposed on two sides of the hammering hammer 37, the fixing block 372 is disposed in the middle of the hammering block 37, and the hammering block 371 and the fixing block 372 are connected by a spring.
In operation, strike hammer 37 and set up fixed block 372 in the middle of to, both sides are hammering piece 371, fixed block 372 and hammering piece 371 rely on spring coupling, when needs switching power, pivot 33 rotates, drive connecting plate 36 and strike hammer 37 and rotate, strike hammer 37 and strike to flexure strip 215, the spring in the hammer 37 can compress, prevent to strike and damage flexure strip 215, spring striking back compression simultaneously, flexure strip 215 vibrates afterwards, the spring also vibrates thereupon, the vibration effect of flexure strip 215 has been improved, if set up to rigid strike hammer 37, then after striking, rigid strike hammer 37 can support on flexure strip 215, thereby make flexure strip 215 stop vibrating, the effect of flexure strip 215 has been lost.
As an embodiment of the present invention, a mounting rack 13 is disposed in the box body 1 near the upper surface, and a group of fans 131 are uniformly disposed on the lower surface of the mounting rack 13; an air inlet 14 is formed in the position, corresponding to the fan 131, of the side wall of the back of the box body 1, and an air outlet 15 is formed in the right side wall of the box body 1.
When the drying device works, the fan 131 is uniformly arranged on the mounting frame 13 above the inner part of the box body 1, the air inlet 14 is arranged on the side wall of the back surface of the box body 1 corresponding to the fan 131, the air outlet 15 is arranged on the side wall of the right side of the box body 1, the air blown by the fan 131 enters from the air inlet 14 and moves downwards, the air passes through the silica gel drying agent and enters the lower part of the box body 1 from the through hole 212, the flowing air can be dried by air and drip condensed water below the box body 1 and is discharged from the air outlet 15, meanwhile, the fan 131 drives external cold air to pass through a working area of an electric appliance, the heat of the electric appliance can be reduced, a fire disaster is prevented, the temperature of the air passing through the working area of the electric appliance is higher, water is more easily condensed on the condensation plate 21, meanwhile, the hot air passes through the silica gel drying agent, the drying agent can have a drying effect on the silica gel drying agent, the service life of the silica gel drying agent is prolonged, and the hot and the wet air passing through the silica gel drying agent can be discharged from the air outlet 15, the air inlet 14 and the air outlet 15 can be provided with a filter screen and a drying agent, so that the moisture of the entering air can be reduced while the dust is prevented.
The specific working process is as follows:
the rotating shaft 33 keeps the common moving contact 341 on the common rotating plate 34 connected with the common stationary contact 311 of the common connector 31, when the power supply needs to be switched, the rotating mechanism rotates the rotating shaft 33 to connect the spare moving contact 351 on the spare rotating plate 35 with the spare stationary contact 321 of the spare connector 32, thereby realizing the switching of the power supply, when the air is moist, the condensing plate 21 arranged in the box body 1 plays a role, the condensing plate 21 can be a copper plate of a heat conduction power cavity, the heat dissipation cavity 23 is arranged in the condensing plate 21, the heat dissipation cavity 23 is communicated with the heat dissipation port 22 arranged on the side wall of the box body 1, thereby realizing the communication between the interior of the condensing plate 21 and the air, simultaneously, the operation of the upper electrical appliance can generate a large amount of heat, so that the temperature difference is generated between the working area of the electrical appliance and the condensing plate 21, when the humidity of the environment is large, the water vapor in the high-temperature moist and hot air in the working area of the electrical appliance can be preferentially condensed on the surface of the condensing plate 21, thereby reducing the saturation of water vapor in the air, achieving the effect of drying the air, preventing the electrical appliance from aging and being damaged in a humid environment, and simultaneously, the heat dissipation port 22 is arranged in a conical shape, so that the air exchange speed in the heat dissipation cavity 23 can be increased; meanwhile, a first groove 211 is formed in the middle of the condensation plate 21, a through hole 212 is formed in the first groove 211, water on the condensation plate 21 can flow into the first groove 211 in a centralized mode and is discharged to the bottom of the tank from the through hole 212, and the water at the bottom can be naturally dried or manually erased; when a power supply needs to be switched, the rotating shaft 33 is rotated, the common contact and the standby contact are separated and combined, the connecting plate 36 fixedly connected to the rotating shaft 33 rotates along with the rotating shaft, a knocking hammer 37 is arranged at one end of the connecting plate 36 far away from the rotating shaft 33, the knocking hammer 37 can impact the elastic pieces 215 arranged at two sides of the middle horizontal part of the condensing plate 21 when moving, elastic vibration can be generated when the elastic pieces 215 are impacted, the vibration can be transmitted to the condensing plate 21, and condensed water on the condensing plate 21 can rapidly flow and gather in the vibration, so that the discharging efficiency of the condensed water is improved; the silica gel drying agent is placed in the first groove 211, so that the drying degree of air in the box can be further improved, air blown by the fan 131 enters from the air inlet 14 and moves downwards, the air passes through the silica gel drying agent and enters the lower part of the box body 1 from the through hole 212, and the flowing air can be dried by air and drip condensed water below the box body 1 and is discharged from the air outlet 15.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A dual power transfer switch, characterized in that: comprises a box body (1), a condensing mechanism (2) and a switching mechanism (3); a box door (11) is arranged on the front surface of the box body (1), and a handle (12) is arranged on the box door (11); the box body (1) is characterized in that the left side wall and the right side wall of the box body (1) are respectively connected with a common connector (31) of a common power supply and a standby connector (32) of a standby power supply, the common connector (31) and the standby connector (32) penetrate through the side wall of the box body (1) and extend into the inner part of the box body (1), the end parts of the common connector (31) and the standby connector (32) are inclined downwards, a common stationary contact (311) is arranged at the position, close to the end parts, of the common connector (31) in the box body (1), and a standby stationary contact (321) is arranged at the position, close to the end parts, of the standby connector (32) in the box body (1); the box body (1) is provided with a rotating shaft (33) at the back, the rotating shaft (33) penetrates through the back side wall and is connected with a rotating mechanism, a common rotating plate (34) and a standby rotating plate (35) are installed on the part of the rotating shaft (33) extending into the box body (1), a common movable contact (341) is arranged at the position, corresponding to the common stationary contact (311), of one side, away from the rotating shaft (33), of the common rotating plate (34), a standby movable contact (351) is arranged at the position, corresponding to the standby stationary contact (321), of one side, away from the rotating shaft (33), of the standby rotating plate (35), a condensing plate (21) is arranged below the rotating shaft (33), the condensing plate (21) is fixedly connected with the left side wall and the right side wall of the box body (1), a heat dissipation port (22) is arranged at the corresponding position of the connection part of the box body (1) and the condensing plate (21), the heat dissipation port (22) is conical, the large end of the heat dissipation port faces outwards, and a heat dissipation cavity (23) is arranged inside the condensing plate (21), the heat dissipation cavity (23) is communicated with the heat dissipation port (22).
2. The dual power transfer switch of claim 1, wherein: two sides of the condensing plate (21) incline upwards, the middle part of the condensing plate is horizontal, the upper surface of the middle part of the condensing plate (21) is provided with a groove (211), the bottom of the inner side of the groove (211) is provided with a through hole (212), the through hole (212) penetrates through the condensing plate (21), and a silica gel drying agent is placed in the groove (211).
3. The dual power transfer switch of claim 2, wherein: the cooling structure is characterized in that a main flow groove (213) and a branch flow groove (214) are uniformly formed in the upper surface of the inclined part of the condensation plate (21), the lower end of the main flow groove (213) is communicated with a first groove (211), the branch flow groove (214) is uniformly arranged on two sides of the main flow groove (213), one end, far away from the main flow groove (213), of the branch flow groove (214) inclines upwards, and the main flow groove (213) and the branch flow groove (214) form a Y shape.
4. The dual power transfer switch of claim 3, wherein: two sides of the middle horizontal part of the condensing plate (21) are respectively provided with an elastic sheet (215), the rotating shaft (33) is provided with a connecting plate (36), and one end, far away from the rotating shaft (33), of the connecting plate (36) is provided with a knocking hammer (37).
5. The dual power transfer switch of claim 4, wherein: hammering blocks (371) are arranged on two sides of the hammering hammer (37), a fixing block (372) is arranged in the middle of the hammering hammer, and the hammering blocks (371) are connected with the fixing block (372) through springs.
6. The dual power transfer switch of claim 5, wherein: a mounting rack (13) is arranged in the box body (1) and close to the upper surface, and a group of fans (131) are uniformly arranged on the lower surface of the mounting rack (13); the air inlet (14) is formed in the position, corresponding to the fan (131), of the side wall of the back of the box body (1), and the air outlet (15) is formed in the right side wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496097.6A CN114256008A (en) | 2021-12-09 | 2021-12-09 | Dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496097.6A CN114256008A (en) | 2021-12-09 | 2021-12-09 | Dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114256008A true CN114256008A (en) | 2022-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111496097.6A Pending CN114256008A (en) | 2021-12-09 | 2021-12-09 | Dual-power transfer switch |
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| Country | Link |
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| CN (1) | CN114256008A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115188299A (en) * | 2022-06-22 | 2022-10-14 | 赵梦雨 | A bill-board for cate propaganda |
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