CN110312411B - Railway box defrosting dampproof device - Google Patents
Railway box defrosting dampproof device Download PDFInfo
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- CN110312411B CN110312411B CN201910723048.8A CN201910723048A CN110312411B CN 110312411 B CN110312411 B CN 110312411B CN 201910723048 A CN201910723048 A CN 201910723048A CN 110312411 B CN110312411 B CN 110312411B
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- 238000010257 thawing Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a railway box defrosting and moistureproof device, which relates to a railway equipment protection device, and comprises a bracket, a water diversion filter, a box, a fan, a generator and fan blades, wherein the fan blades are in transmission connection with the fan and the generator, the water diversion filter is communicated with the fan through an exhaust pipe, the fan is communicated with the box through a stop loop valve, a humidity detection switch, a pressure detection switch and a pollution discharge and air discharge valve are arranged in the box, and a photovoltaic panel and a battery box are also arranged on the bracket. The invention carries out water-air separation on the atmospheric air, and sends clean air into the railway box, so that the air pressure in the box reaches a constant pressure range, thereby realizing the purposes of pressure resistance and air water stopping and avoiding the occurrence of the rust situations of the box and equipment in the box.
Description
Technical Field
The invention relates to a railway equipment protection device, in particular to a railway box defrosting and moistureproof device.
Background
At present, most of electric equipment and mechanical equipment on a railway are provided with a box body for protecting the equipment, and the aim of the box body is to prevent external factors from damaging the equipment and affecting the normal operation of the equipment. However, the existing box body for protecting railway equipment is greatly affected by seasons, once seasonal moisture regain and frosting occur, the box body and the equipment in the box body are affected by humid air, so that the box body and the equipment in the box body are corroded, the working performance of the equipment in the box body is affected, and meanwhile, the service lives of the box body and the equipment in the box body are shortened.
Disclosure of Invention
The invention provides a railway box defrosting and moistureproof device, which aims to solve the problem that the box and equipment in the box are corroded due to seasonal moisture regain and frosting.
The technical scheme of the invention is as follows:
the railway box defrosting and moistureproof device comprises a bracket, a box, a fan, a generator and main fan blades, wherein the main fan blades are in transmission connection with the fan and the generator;
the water diversion filter comprises a cylinder body, a first base plate, a second base plate and a rain cover; the cylinder body and the rain shield are arranged on the bracket, and the first substrate is rotationally connected with the rain shield;
The bottom of the cylinder body is provided with a hollow connecting shaft, the connecting shaft is rotationally connected with the second substrate, a plurality of inclined blades are arranged between the first substrate and the second substrate, the inclined blades are uniformly distributed around the circumference of the first substrate and the circumference of the second substrate, a cavity is formed, and a filter screen is arranged around the circumference of the cavity;
One end of the connecting shaft extends into the cavity and is provided with a plurality of through holes, the other end of the connecting shaft is communicated with an exhaust port of the fan through an exhaust pipe, an air outlet port of the fan is provided with a stop loop valve, and the stop loop valve is communicated with the box through an air delivery pipe;
A humidity detection switch and a pressure detection switch are arranged in the box, and a pollution discharge air release valve is arranged on the side surface of the box;
The solar energy storage device is characterized in that a photovoltaic panel and a battery box are further arranged on the support, a storage battery is arranged in the battery box, the storage battery is electrically connected with the photovoltaic panel, the fan, the humidity detection switch and the pressure detection switch are electrically connected with the storage battery, and the humidity detection switch and the pressure detection switch are electrically connected with the fan.
Preferably, the fan is provided with a rotating hole shaft, a first gear is arranged at the outward extending end of the rotating hole shaft, the fan blade is provided with a central shaft, the central shaft is rotatably arranged on the bracket, a second gear is arranged at one end, far away from the fan blade, of the central shaft, and a third gear is arranged on an output shaft of the generator; the first gear and the third gear are both meshed with the second gear.
Preferably, the radius of the second gear is larger than the radius of the first gear and the radius of the third gear, and the number of teeth of the second gear is 50-200.
Preferably, a bearing seat is arranged at the center of the second substrate, a bearing is sleeved and fixed in the bearing seat, and the bearing is sleeved and fixed on the surface of the connecting shaft.
Preferably, the top surface center of first base plate is equipped with the connecting rod, the connecting rod is kept away from the fixed spheroid that is equipped with of one end of first base plate, be equipped with on the rain-proof cover with the connector of spheroid adaptation, the spheroid rotates to be installed in the connector.
Preferably, the surface of the connecting rod is also sleeved and fixed with an auxiliary main fan blade, and the rotating radius of the auxiliary main fan blade is larger than the outer diameter of the cylinder body.
Preferably, the support is provided with a shockproof frame, and the top surface of the rain cover is fixedly connected with the shockproof frame.
Preferably, the cut-off loop valve comprises a first valve body with a hollow structure, one end of the first valve body is communicated with the air outlet port, and the other end of the first valve body is communicated with the air conveying pipe; the inner cavity of the first valve body is provided with a first valve hole at one end close to the air outlet port, the other end of the first valve body is connected with a second spring, and one end, far away from the air conveying pipe, of the second spring is connected with a first steel ball matched with the first valve hole.
Preferably, the blow-down air release valve comprises a second valve body with a hollow structure, one end of an inner cavity of the second valve body is provided with a second valve hole, the other end of the inner cavity of the second valve body is connected with a third spring, one end of the third spring, which is close to the second valve hole, is connected with a second steel ball matched with the second valve hole, and one end, which is close to the second steel ball, of the second valve hole is circumferentially provided with a rubber pad; one end of the second valve body, which is close to the second steel ball, passes through the side wall of the box and is communicated with the inner cavity of the box.
Preferably, a water accumulation detection sensor is further arranged in the box, the water accumulation detection sensor is electrically connected with an alarm, and the water accumulation detection sensor and the alarm are electrically connected with the storage battery.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, air in the atmosphere is sucked into the filter barrel through the fan, water and air separation is carried out to obtain clean air, and the clean air is sent into the box, so that the air pressure in the box reaches a constant pressure range, and the purposes of pressure resistance and air sealing are realized. Because the air pressure of the box is always greater than the external air pressure, the air pressure in the box is used for resisting the atmospheric air with moisture outside the box to enter the box, so that the inside and outside of the box can always keep a dry state, the situations of influencing the working performance of the equipment in the box, shortening the service life of the equipment and the like due to the rust of the box and the equipment in the box are avoided.
2. According to the invention, photovoltaic power generation is adopted to supply power to the fan, and wind power is adopted to drive the fan to work, so that not only is the utilization of light energy and wind energy realized, but also the problem of cost of power supply is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a side view and a perspective transparent structural view of the water diversion filter of the present invention;
FIG. 3 is a diagram showing a structure of the connection between the rain cover and the first substrate according to the present invention;
FIG. 4 is a schematic view of the structure of the shut-off circuit valve of the present invention;
FIG. 5 is a schematic diagram of the structure of the blow-down and air release valve of the present invention.
Reference numerals illustrate: 100-bracket, 200-cylinder, 201-first base plate, 202-second base plate, 203-inclination blade, 204-connecting shaft, 205-rain shield, 206-top block, 207-connecting rod, 208-auxiliary main blade, 209-shock-proof frame, 300-fan, 301-exhaust port, 302-exhaust pipe, 303-air outlet port, 304-cut-off loop valve, 304 a-valve body, 304 b-valve hole, 304 c-steel ball, 304 d-second spring, 305-air delivery pipe, 306-first gear, 400-box, 401-blowdown air release valve, 402-humidity detection switch, 403-pressure detection switch, 404-water accumulation detection sensor, 500-main blade, 501-main blade shaft, 502-second gear, 600-generator, 601-third gear, 700-photovoltaic board, 800-battery box.
Detailed Description
The following description of the embodiments of the present invention, taken in conjunction with the accompanying drawings, will clearly and completely describe the embodiments of the present invention, and it is evident that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Examples
As shown in fig. 1 and 2, the railway box defrosting and moistureproof device provided by the invention comprises a bracket 100, a box 400, a fan 300, a generator 600 and a main fan blade 500, wherein the main fan blade 500 is in transmission connection with the fan 300 and the generator 600;
The water diversion filter comprises a cylinder 200, a first base plate 201, a second base plate 202 and a rain cover 205; the cylinder 200 and the rain cover 205 are arranged on the bracket 100, and the first base plate 201 is rotatably connected with the rain cover 205;
The bottom of the cylinder 200 is provided with a hollow connecting shaft 204, the connecting shaft 204 is rotationally connected with the second base plate 202, a plurality of inclined blades 203 are arranged between the first base plate 201 and the second base plate 202, the inclined blades 203 are uniformly distributed around the circumference of the first base plate 201 and the second base plate 202, a cavity is formed, and a filter screen is arranged around the circumference of the cavity;
One end of the connecting shaft 204 extends into the cavity and is provided with a plurality of through holes, the other end of the connecting shaft 204 is communicated with an exhaust port 301 of the fan 300 through an exhaust pipe 302, an air outlet port 303 of the fan 300 is provided with a cut-off loop valve 304, and the cut-off loop valve 304 is communicated with the box 400 through an air delivery pipe 305;
a humidity detection switch 402 and a pressure detection switch 403 are arranged in the box 400, and a pollution discharge air release valve 401 is arranged on the side surface of the box 400;
the solar energy storage device is characterized in that a photovoltaic panel 700 and a battery box 800 are further arranged on the support 100, a storage battery is arranged in the battery box 800, the storage battery is electrically connected with the photovoltaic panel 700, the fan 300, the humidity detection switch 402 and the pressure detection switch 403 are electrically connected with the storage battery, and the humidity detection switch 402 and the pressure detection switch 403 are electrically connected with the fan 300.
In this embodiment, the water division filter is used to filter air, and the obtained clean air is used for the case 400, so as to implement the defrosting and moisture-proof functions of the case 400. The photovoltaic panel 700 charges a storage battery, the storage battery supplies power to the fan 300, the humidity detection switch 402 and the pressure detection switch 403, the fan 300 adopts a wind-electricity dual-purpose fan, the fan can work through the power supply of the storage battery, and the fan can work by means of external wind power, so that the utilization of light energy and wind energy is realized, and meanwhile, the cost of power supply is also solved.
The fan 300 is set up to operate by external wind power as follows:
The fan 300 is provided with a rotating hole shaft, a first gear 306 is arranged at the outward extending end of the rotating hole shaft, the fan blade 500 is provided with a central shaft, the central shaft is rotatably arranged on the bracket 100, a second gear 502 is arranged at one end, far away from the fan blade 500, of the central shaft, a third gear 601 is arranged on the output shaft of the generator 600, and the first gear 306 and the third gear 601 are meshed with the second gear 502. It should be understood that when the fan blade 500 is under the action of external wind force, the second gear 502 is driven to rotate, the second gear 502 further drives the first gear 306 and the third gear 601 to rotate, the first gear 306 rotates, and the fan 300 works; at the same time, the third gear 601 also rotates, the engine 600 works, and the engine 600 converts wind energy into electric energy to charge the storage battery. Wherein, the second gear 502 is a big gear with the number of teeth of 50-200, and the radius is larger than the radius of the first gear 306 and the third gear 601; when the second gear 502 rotates, it can drive the first gear 306 and the third gear 601 to rotate rapidly.
Specifically, the cylinder 200 is a tub body with an open top, the cavity formed by the inclined blade 203, the first substrate 201 and the second substrate 202 and the filter screen circumferentially arranged on the cavity form an air filter tub, and the filter screen is made of high-density fiber cotton. One end (second base plate 202) of the air filter is mounted on a connecting shaft 204 in the cylinder 200 and can rotate around the connecting shaft 204; the connection relationship between the second substrate 202 and the connecting shaft 204 is that a bearing seat is arranged in the center of the second substrate 202, a bearing is sleeved and fixed in the bearing seat, and the bearing is sleeved and fixed on the surface of the connecting shaft 204; the other end (first base plate 201) of the air filter is also rotatably connected with a rain shield 205, as shown in fig. 3, and the connection relationship is that a connecting rod 207 is arranged in the center of the top surface of the first base plate 201, one end of the connecting rod 207 far away from the first base plate 201 is fixedly provided with a sphere, the rain shield 205 is provided with a connector 206 adapted to the sphere, and the sphere is rotatably installed in the connector 206.
Further, in order to make the rotation effect of the air filter barrel better, the auxiliary main fan blades 208 are fixedly sleeved on the surface of the connecting rod 207, and the rotation radius of the auxiliary main fan blades 208 is larger than the outer diameter of the cylinder 200. In order to effectively improve the stability of the water diversion filter and avoid the damage of the water diversion filter, a shockproof frame is arranged on the support, and the top surface of the rainproof cover is fixedly connected to the shockproof frame.
Further, the end of the connecting shaft 204 extending into the cavity is provided with a plurality of through holes, which means that the connecting shaft 204 is communicated with the cavity, and the cavity is communicated with the fan 300 sequentially through the connecting shaft 204 and the exhaust pipe 302. After the outside air cylinder 200 is filtered by the air filter barrel, clean air is obtained, and the clean air sequentially passes through the connecting shaft 204, the exhaust pipe 302, the fan 300, the cut-off loop valve 304 and the air delivery pipe 305 to enter the box 400. The humidity detection switch 402 arranged in the box 400 is connected with the fan 300, the model of the humidity detection switch 402 is XH-W3005, and is used for detecting the humidity in the box 400 and has the function of a switch, and meanwhile, is used for controlling the on-off of the fan 300; the pressure detection switch 403 is a BX series pressure switch, and is used for detecting the pressure in the box 400, and has a switching function, and is also used for controlling the on-off of the fan 300. A blow-down and air release valve 401 provided at the side of the case 400 is used to discharge air in the case 400.
As shown in fig. 4, the shut-off circuit valve 304 includes a first valve body 304a of hollow structure, one end of the first valve body 304a is communicated with the air outlet port 303, and the other end is communicated with the air delivery pipe 305; one end of the inner cavity of the first valve body 304a, which is close to the air outlet port 303, is provided with a first valve hole 304b, the other end of the inner cavity of the first valve body is connected with a second spring 304d, and one end of the second spring 304d, which is far away from the air conveying pipe 305, is connected with a first steel ball 304c which is matched with the first valve hole 304 b. It should be appreciated that when air flows through the shut-off circuit valve 304, the first steel ball 304c is forced to compress the second spring 304d due to the force of wind, the first valve orifice 304b is opened, and air flows through the air delivery tube 305 into the case 400 through the shut-off circuit valve 304.
As shown in fig. 5, the blowdown wind discharging valve 401 comprises a second valve body 401a with a hollow structure, one end of an inner cavity of the second valve body 401a is provided with a second valve hole 401b, the other end of the inner cavity of the second valve body 401a is connected with a third spring 401d, one end, close to the second valve hole 401b, of the third spring 401d is connected with a second steel ball 401c matched with the second valve hole 401b, and one end, close to the second steel ball 401c, of the second valve hole 401b is circumferentially provided with a rubber pad 401e; one end of the second valve body 401a, which is close to the second steel ball 401c, penetrates through the side wall of the box 400 and is communicated with the inner cavity of the box 400. It should be understood that when the air pressure in the box 400 is greater than the air pressure set in the box 400, at this moment, the air pressure in the box 400 and the external air pressure generate an air pressure difference, the third spring 401d is compressed under the action of the air pressure difference between the inside and the outside, and meanwhile, the third spring 401d drives the second steel ball 401c to move, that is, the second valve hole 401b is opened, and the air in the box 400 is discharged through the blowdown air release valve 401; when the air pressure in the box 400 returns to the set normal range, the third spring 401d drives the second steel ball 401c to rebound to block the second valve hole 401 b. Wherein, the rubber pad 401e circumferentially arranged at one end of the second valve hole 401b near the second steel ball 401c can make the second steel ball 401c closely contact with the second valve hole 401b after rebounding, so as to avoid air leakage in the box 400.
In addition, a water accumulation detection sensor 404 is also arranged in the box 400, and the water accumulation detection sensor 404 is electrically connected with an alarm; wherein the water accumulation detection sensor 404 is a water immersion detector of model TR-Y12V. When the ponding detection sensor 404 detects that ponding exists in the box 400, the alarm is triggered to alarm, so that an maintainer is informed of the need of overhauling the box 400.
Working principle: when the blower 300 works, the blower 300 rapidly sucks external air into the cylinder 200 and simultaneously accelerates the flow rate of the air, so that wind power is generated, the air filtering barrel and the auxiliary main fan blade 208 simultaneously rotate under the action of the wind power, and clean air is obtained after the air entering the cylinder 200 is filtered by the air filtering barrel; meanwhile, under the effect of rapid rotation of the air filter barrel, water adhered on the filter screen can be separated and discharged from the filter screen, so that the dryness of the filter screen is maintained, clean air enters the fan 300 through the connecting shaft 204 and the exhaust pipe 305, when the air source is conveyed from the air outlet port 303 of the fan 300, the first steel balls 304c in the cut-off loop valve 304 are stressed to compress the second spring 304d, the cut-off loop valve 304 is opened, the air flows through the air conveying pipe 305 through the cut-off loop valve 304 to enter the box 400, when the fan 300 stops working or the wind force is weak, the first steel balls 304c are released, the second spring 304d is propped against the first steel balls 304c to block the first valve hole 304b, and the reverse pressure is cut off, so that the pressure maintaining function of the box 400 is completed. Because the air pressure of the box 400 is always greater than the external air pressure, the inside and the outside of the box 400 can always be kept in a dry state, and the situations that the inside and the outside of the box 400 are moist or the air with moisture and frosted outside the box 400 enters the box 400 due to the weather cause in four seasons, the box 400 and the equipment in the box 400 are corroded, the working performance of the equipment in the box 400 is affected, the service life of the equipment is shortened and the like are avoided.
The automatic pressure maintaining conditions in the box 400 are satisfied:
When the air pressure in the box 400 reaches 80Kpa-150Kpa, the pressure detection switch 403 controls the fan 300 to be switched on, so that the fan 300 works and the pressure in the box 400 is maintained; when the air pressure in the case 400 reaches 80Kpa to 150Kpa, the pressure detection switch 403 controls the blower 300 to be turned off.
When the humidity pw in the box 400 reaches 1.5-2 times of the absolute humidity (15 g/cubic meter MAX), the humidity detection switch 402 controls the fan 300 to be turned on, so that the fan 300 works to maintain the pressure in the box 400; when the humidity pw in the box 400 is normal, the humidity detection switch 402 controls the blower 300 to be turned off.
When the air pressure in the box 400 is more than 80Kpa-150Kpa, the blowdown and air release valve 401 is automatically opened, and the air pressure in the box 400 is rapidly discharged; when the pressure reaches 80Kpa-150Kpa, the blowdown and air release valve 401 is automatically closed.
When the alarm is triggered to alarm, an maintainer should pay attention to the maintenance, firstly, the blowdown air release valve 401 is opened to remove the pressure air in the box 400, and when the air pressure reaches 20Kpa, the box 400 can be opened to maintain so as to ensure the safety of the maintainer.
The foregoing disclosure is merely illustrative of preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be within the scope of those skilled in the art.
Claims (8)
1. The railway box defrosting and moistureproof device comprises a bracket (100), a water diversion filter, a box (400), a fan (300), a generator (600) and a main fan blade (500), and is characterized in that the main fan blade (500) is in transmission connection with the fan (300) and the generator (600);
the water diversion filter comprises a cylinder body (200), a first base plate (201), a second base plate (202) and a rain cover (205); the cylinder body (200) and the rain cover (205) are arranged on the bracket (100), and the first base plate (201) is rotationally connected with the rain cover (205);
The bottom of the cylinder body (200) is provided with a hollow connecting shaft (204), the connecting shaft (204) is rotationally connected with the second base plate (202), a plurality of inclined blades (203) are arranged between the first base plate (201) and the second base plate (202), the inclined blades (203) are uniformly distributed around the circumference of the first base plate (201) and the second base plate (202), a cavity is formed, and a filter screen is arranged around the circumference of the cavity;
A connecting rod (207) is arranged in the center of the top surface of the first substrate (201), a ball body is fixedly arranged at one end, far away from the first substrate (201), of the connecting rod (207), a connector (206) matched with the ball body is arranged on the rain cover (205), and the ball body is rotatably arranged in the connector (206);
An auxiliary main fan blade (208) is fixedly sleeved on the surface of the connecting rod (207), and the rotation radius of the auxiliary main fan blade (208) is larger than the outer diameter of the cylinder body (200);
One end of the connecting shaft (204) extends into the cavity and is provided with a plurality of through holes, the other end of the connecting shaft (204) is communicated with an exhaust port (301) of the fan (300) through an exhaust pipe (302), an air outlet port (303) of the fan (300) is provided with a stop loop valve (304), and the stop loop valve (304) is communicated with the box (400) through an air conveying pipe (305);
a humidity detection switch (402) and a pressure detection switch (403) are arranged in the box (400), and a pollution discharge and air discharge valve (401) is arranged on the side surface of the box (400);
The solar energy storage device is characterized in that a photovoltaic panel (700) and a battery box (800) are further arranged on the support (100), a storage battery is arranged in the battery box (800), the storage battery is electrically connected with the photovoltaic panel (700), the fan (300), the humidity detection switch (402) and the pressure detection switch (403) are electrically connected with the storage battery, and the humidity detection switch (402) and the pressure detection switch (403) are electrically connected with the fan (300);
the automatic pressure maintaining conditions in the box (400) are satisfied as follows:
When the air pressure in the box (400) is below 80Kpa-150Kpa, the pressure detection switch (403) controls the fan (300) to be connected, so that the fan (300) works, and the pressure in the box (400) is maintained; when the air pressure in the box (400) reaches 80Kpa-150Kpa, the pressure detection switch (403) controls the fan (300) to be closed;
when the humidity pw in the box (400) reaches 1.5-2 times of the absolute humidity (15 g/cubic meter MAX), the humidity detection switch (402) controls the fan (300) to be connected, so that the fan (300) works, and the pressure in the box (400) is maintained; when the humidity pw in the box (400) is normal, the humidity detection switch (402) controls the fan (300) to be turned off;
When the air pressure in the box (400) is more than 80Kpa-150Kpa, the blowdown and air release valve (401) is automatically opened, and the air pressure in the box (400) is rapidly discharged; when the pressure reaches 80Kpa-150Kpa, the blowdown and air release valve (401) is automatically closed.
2. A railway box defrosting moisture-proof device as claimed in claim 1, characterized in that the fan (300) is provided with a rotating hole shaft, a first gear (306) is arranged at the outward extending end of the rotating hole shaft, the fan blade (500) is provided with a central shaft, the central shaft is rotatably arranged on the bracket (100), a second gear (502) is arranged at one end of the central shaft far away from the fan blade (500), and a third gear (601) is arranged on the output shaft of the generator (600); the first gear (306) and the third gear (601) are both meshed with the second gear (502).
3. A railway box defrost moisture-proof device as claimed in claim 2 wherein the radius of the second gear (502) is greater than the radius of the first gear (306) and third gear (601) and the number of teeth of the second gear (502) is 50-200.
4. A railway box defrosting moisture-proof device as claimed in claim 1, characterized in that the center of the second base plate (202) is provided with a bearing seat, a bearing is sleeved and fixed in the bearing seat, and the bearing is sleeved and fixed on the surface of the connecting shaft (204).
5. A railway box defrosting moisture-proof device as claimed in claim 1, characterized in that the bracket is provided with a shockproof frame (209), and the top surface of the rainproof cover (205) is fixedly connected with the shockproof frame (209).
6. A railway box defrosting moisture-proof device as claimed in claim 1, characterized in that the shut-off loop valve (304) comprises a first valve body (304 a) with a hollow structure, one end of the first valve body (304 a) is communicated with the air outlet port (303), and the other end is communicated with the air delivery pipe (305); one end of the inner cavity of the first valve body (304 a) close to the air outlet port (303) is provided with a first valve hole (304 b), the other end of the inner cavity is connected with a second spring (304 d), and one end, away from the air conveying pipe (305), of the second spring (304 d) is connected with a first steel ball (304 c) matched with the first valve hole (304 b).
7. A railway box defrosting and moistureproof device according to claim 1, wherein the blowdown and air release valve (401) comprises a second valve body (401 a) with a hollow structure, one end of an inner cavity of the second valve body (401 a) is provided with a second valve hole (401 b), the other end of the inner cavity is connected with a third spring (401 d), one end of the third spring (401 d) close to the second valve hole (401 b) is connected with a second steel ball (401 c) matched with the second valve hole (401 b), and one end of the second valve hole (401 b) close to the second steel ball (401 c) is circumferentially provided with a rubber pad (401 e); one end of the second valve body (401 a) close to the second steel ball (401 c) penetrates through the side wall of the box (400) to be communicated with the inner cavity of the box (400).
8. A railway box defrosting and moistureproof device as set forth in claim 1, wherein a water accumulation detecting sensor (404) is further provided in the box (400), the water accumulation detecting sensor (404) is electrically connected with an alarm, and the water accumulation detecting sensor (404) and the alarm are electrically connected with the storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723048.8A CN110312411B (en) | 2019-08-06 | 2019-08-06 | Railway box defrosting dampproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723048.8A CN110312411B (en) | 2019-08-06 | 2019-08-06 | Railway box defrosting dampproof device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110312411A CN110312411A (en) | 2019-10-08 |
| CN110312411B true CN110312411B (en) | 2024-07-05 |
Family
ID=68082044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910723048.8A Active CN110312411B (en) | 2019-08-06 | 2019-08-06 | Railway box defrosting dampproof device |
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| CN112649036A (en) * | 2019-10-11 | 2021-04-13 | 四川鑫力智信科技有限公司 | Humiture monitoring device for railway box |
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