CN112212212B - Gravity type spring snow removing device - Google Patents

Gravity type spring snow removing device Download PDF

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Publication number
CN112212212B
CN112212212B CN202011058937.6A CN202011058937A CN112212212B CN 112212212 B CN112212212 B CN 112212212B CN 202011058937 A CN202011058937 A CN 202011058937A CN 112212212 B CN112212212 B CN 112212212B
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China
Prior art keywords
gravity
snow
magnetic
lever
accumulated snow
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CN202011058937.6A
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CN112212212A (en
Inventor
陈雷星
蔡奕畅
闵春雨
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Foshan Gas High Pressure Pipe Network Co ltd
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Foshan Gas High Pressure Pipe Network Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/10—Arrangements for preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/031—Dealing with losses due to heat transfer
    • F17C2260/032—Avoiding freezing or defrosting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention relates to a gravity spring snow removing device which comprises a lever flat plate, an elastic mechanism, a magnetic assembly and a rotating shaft, wherein the lever flat plate is provided with a spring; magnetic component includes first magnetic component and second magnetic component, the lever is dull and stereotyped to be connected with the pivot, and the lever is dull and stereotyped around rotation axis swing joint, the dull and stereotyped inboard of lever is provided with elastic mechanism, the inboard one end of lever plane is provided with first magnetic component, be provided with second magnetic component on the air temperature formula vaporizer, when the dull and stereotyped first magnetic component of lever is close to second magnetic component, constantly increase for magnetic attraction this moment, and together until first magnetic component and second magnetic component inhale, magnetic attraction this moment is the biggest, moves down when the dull and stereotyped first magnetic component of lever continues, and magnetic attraction this moment turns into the repulsion force, and its gravity that utilizes the snow of production realizes removing the snow function automatically as the power supply.

Description

Gravity type spring snow removing device
Technical Field
The invention relates to the technical field of snow removal, in particular to a gravity type spring snow removal device.
Background
The gasification production process of the LNG storage and distribution station comprises the following steps: the ultra-low temperature liquefied natural gas with the temperature of minus 160 ℃ enters an air temperature type gasifier to exchange heat with outside air, the liquefied natural gas is gasified after absorbing the heat to form normal temperature natural gas, and then the normal temperature natural gas is conveyed to a town gas pipe network through a pipeline to be used by downstream users.
In the process of gasification heat exchange, water vapor in the air is cooled and frosted and adheres to fins of the gasifier, the frosting is gradually increased along with the proceeding of the heat exchange process, and most of the frosting falls to the periphery of the base of the air-temperature gasifier and accumulated snow is gradually formed. The snow cover is higher more, especially in long-time gasification operation production process or adverse weather environment under, snow cover can progressively cover air temperature formula vaporizer import and bottom heat transfer pipeline, leads to this part region can't carry out the heat transfer with the air contact, and simultaneously, snow cover also can influence the peripheral air convection of air temperature formula vaporizer, reduces heat transfer effect. Therefore, the accumulated snow on the periphery of the base of the air-temperature vaporizer must be removed in time to avoid the vaporization process of the air-temperature vaporizer from being affected. The existing snow removing mode is manual snow shoveling, and has the following defects: 1. snow shoveling efficiency is low, and under the conditions of large gasification amount and adverse weather, excessive accumulated snow cannot be removed in time, so that the air-temperature gasifier cannot continue to work, and further downstream gas utilization is influenced; 2. the labor intensity of personnel is high; 3. the operators are exposed to the low-temperature field environment and have adverse effects on the health of the operators.
Whereas snow removing devices disclosed in the prior art are directed to solar panels and do not provide a snow removing device related to an air-cooled vaporizer and which removes snow by heating or using the slope characteristic of the device, for example, patent document CN109818565A provides an automatic snow removing device for a photovoltaic cell panel, which includes a heating device including a photovoltaic cell panel and a heating belt, a snow thickness sensor provided in a vertical direction of the photovoltaic cell panel for detecting the thickness of snow on the photovoltaic cell panel, and a temperature sensor provided on the photovoltaic cell panel for detecting the temperature of the surface of the photovoltaic cell panel, the controller being connected to the snow thickness sensor and the temperature sensor for determining the operating state based on the detection value of the snow thickness sensor and/or the detection value of the temperature sensor, and controlling the power system to transmit electric energy to the photovoltaic cell panel so as to enable the photovoltaic cell panel to generate heat to clear accumulated snow or control the photovoltaic cell panel to transmit electric energy to the power system so as to perform normal photovoltaic power generation. For example, patent document CN206135803U provides a snow removing and water collecting device for a solar electric panel, which includes a water reservoir, a water collecting channel, a solar electric panel main body, a heat conducting layer, an extrusion block, a spring, a current conducting rod, a storage battery, a contact, and a supporting box; the reservoir is connected with the water collecting ditch; the back of the solar panel main body is provided with a heat conduction layer; the heat conduction layer is connected with the extrusion block and the conductive rod; the extrusion block is connected with the spring; the spring wraps the conductive rod and is connected with the supporting box; the conductive rod penetrates through the supporting box; a contact is arranged in the support box; the storage battery is connected with the solar cell panel and the contact through a lead. Therefore, in order to improve the production efficiency, ensure the downstream gas utilization and reduce the labor intensity of personnel, the improvement of the snow removing mode of the air-temperature type gasifier is necessary.
Disclosure of Invention
In order to solve the technical problems, the device provided by the invention has the greatest difference that the gravity of accumulated snow generated in the gasification process of the air-temperature type gasifier can be used as a power source to realize the function of automatically removing the accumulated snow, and after the weight of the accumulated snow close to the lever flat plate of the air-temperature type gasifier reaches the set value of the device, the accumulated snow can be automatically bounced to other areas far away from the base of the air-temperature type gasifier, so that the gasification of the air-temperature type gasifier cannot be influenced.
The gravity type spring snow removing device comprises a lever flat plate, an elastic mechanism, a magnetic assembly and a rotating shaft; magnetic component includes first magnetic component and second magnetic component, the lever is dull and stereotyped to be connected with the pivot, and the lever is dull and stereotyped around rotation axis swing joint, the dull and stereotyped inboard of lever is provided with elastic mechanism, the inboard one end of lever plane is provided with first magnetic component, be provided with second magnetic component on the air-temperature formula vaporizer, when the dull and stereotyped first magnetic component of lever is close to the second magnetic component, magnetic attraction constantly increases this moment, and is in the same place until first magnetic component and second magnetic component are inhaled, and magnetic attraction is the biggest this moment, and first magnetic component when on the lever is dull and stereotyped continues to move down, and magnetic attraction turns into the repulsion force this moment.
Preferably, the first and second magnetic assemblies each comprise an S-pole portion and an N-pole portion; the S pole part and the N pole part are arranged into an integral structure, the S pole part is located on the N pole part, when the N pole part of the first magnetic assembly of the lever plate is close to the S pole part of the second magnetic assembly, the magnetic attraction force is increased continuously, the N pole part of the first magnetic assembly and the S pole part of the second magnetic assembly are attracted together, the magnetic attraction force is maximum, the first magnetic assembly on the lever plate continuously moves downwards, and the magnetic attraction force is converted into the repulsion force.
Preferably, when snow gradually drops to the lever flat board, the weight of snow compresses elastic mechanism gradually, the lever flat board moves down gradually, increase gradually as snow, first magnetic component and second magnetic component constantly are close to, magnetic attraction constantly increases, attract together until first magnetic component and second magnetic component, magnetic attraction is the biggest this moment, when snow increases more again, the weight of snow forces first magnetic component on the lever flat board to continue to move down, magnetic attraction just turns into the repulsion force this moment, the direction of force has changed, the repulsion force is together with elastic mechanism's elasticity with the snow on the lever flat board to the position of keeping away from empty temperature formula vaporizer.
Preferably, the elastic mechanism is a compression spring.
Preferably, the snow melting device further comprises an automatic control device, wherein a heating device and a gravity sensor are arranged on the lever flat plate, and the heating device is used for heating to melt snow; the automatic control device is connected with the heating device and the gravity sensor, and further comprises a setting module and a judging module, wherein the setting module is used for setting a gravity preset value and preset time, the judging module is used for judging the gravity preset value and the gravity of the accumulated snow sensed by the gravity sensor, and when the gravity of the accumulated snow is smaller than the gravity preset value and the gravity of the accumulated snow is not increased any more in the preset time, the automatic control device controls the heating device to start to melt the accumulated snow; if the gravity of the accumulated snow continuously increases within the preset time, the heating device is in a closed state, when the gravity of the accumulated snow increases to the gravity preset value, the weight of the accumulated snow forces the first magnetic assembly on the lever flat plate to continuously move downwards, the magnetic attraction force is converted into a repulsive force at the moment, the direction of the force is changed, and the repulsive force and the elastic force of the elastic mechanism together eject the accumulated snow on the lever flat plate to a position far away from the air-temperature type gasifier.
Preferably, the automatic control device further comprises a timing module, the timing module is connected with the gravity sensor and used for recording the duration that the gravity of the accumulated snow in the gravity sensor does not increase any more, and when the duration that the gravity of the accumulated snow in the gravity sensor does not increase any more is longer than the preset time, the automatic control device controls the heating device to start.
Preferably, the heating device comprises a heating layer, and an electric heating wire is arranged in the heating layer.
On the other hand, the invention provides a gravity spring snow removing method, which comprises the following steps:
s1: the setting module sets a gravity preset value;
s2: the gravity data of the accumulated snow of the gravity sensor is collected in real time, the gravity preset value and the gravity of the accumulated snow sensed by the sensor are judged through the judgment module, and if the gravity of the accumulated snow is smaller than the gravity preset value and the gravity of the accumulated snow does not increase within preset time, the automatic control device controls the heating device to heat, and the heating device is used for melting the accumulated snow;
if the gravity of the accumulated snow continuously increases within the preset time, the gravity data of the accumulated snow of the gravity sensor are continuously collected until the gravity of the accumulated snow reaches the gravity preset value, the weight of the accumulated snow forces the first magnetic assembly on the lever flat plate to continuously move downwards, the magnetic attraction force of the first magnetic assembly and the second magnetic assembly is converted into a repulsive force, the direction of the force is changed, and the repulsive force and the elastic force of the elastic mechanism together eject the accumulated snow on the lever flat plate to a position far away from the air-temperature type gasifier.
Preferably, the determining manner that the gravity of the accumulated snow is not increased within the preset time in step S2 is specifically that the timing module records the time length that the gravity of the accumulated snow is not increased in the gravity sensor in real time, and when the time length that the gravity of the accumulated snow is not increased in the gravity sensor is longer than the preset time, it is determined that the gravity of the accumulated snow is not increased within the preset time, so that the automatic control device controls the heating device to start.
Compared with the prior art, the invention has the following beneficial effects:
(1) the snow removing device can utilize the gravity of accumulated snow generated in the gasification process of the air-temperature type gasifier as a power source to realize the automatic snow removing function, and after the weight of the accumulated snow at the bottom of the air-temperature type gasifier reaches the set value of the snow removing device, the accumulated snow can be automatically flicked to other areas far away from the base of the air-temperature type gasifier, so that the influence on the gasification of the air-temperature type gasifier can be avoided, and compared with the original manual snow removing mode, the snow removing device has the following advantages:
a. in the gasification production process, because being injectd in certain weight height, the snow can not contact vaporizer import and bottom heat transfer pipeline all the time, and the heat transfer pipeline of air temperature formula vaporizer can contact with the air all the time to the peripheral air convection of vaporizer is not influenced yet, thereby can not lead to the fact the influence to the gasification effect of air temperature formula vaporizer.
b. The labor force is liberated, the snow can be automatically removed by the snow removing device, and any operation of personnel is not needed.
c. The frequency of personnel exposure to the low temperature and high humidity working environment around the gasifier is reduced.
(2) When the accumulated snow exceeds the gravity preset value, the gravity of the accumulated snow generated in the gasification process of the air-temperature type gasifier can be used as a power source to realize the automatic accumulated snow removing function, and if the accumulated snow does not exceed the gravity preset value and cannot exceed the gravity preset value in a preset time period, the accumulated snow can be heated by adopting a heating device to be melted.
Drawings
FIG. 1 is a schematic view of a gravity type spring snow removing device according to the present invention;
FIG. 2 is a cross-sectional view of a spring snow removing device provided by the present invention;
FIG. 3 is a flow chart of a snow removing method according to the present invention.
The reference numbers are as follows:
1: a lever plate; 2: an elastic mechanism; 3: a first magnetic component; 4: a second magnetic component; 5: an air-temperature gasifier; 6. a heating device; 7: a gravity sensor; 8: a rotating shaft.
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
The device has the greatest difference that the device can utilize the gravity of accumulated snow generated in the gasification process of the air-temperature gasifier as a power source to realize the function of automatically removing the accumulated snow, and after the weight of the accumulated snow at the bottom of the air-temperature gasifier reaches the preset gravity value of the device, the accumulated snow can be automatically bounced to other areas far away from the base of the air-temperature gasifier, so that the gasification of the air-temperature gasifier cannot be influenced.
As shown in fig. 1-2, specifically, the present invention provides a gravity spring snow removing device, which comprises a lever plate 1, an elastic mechanism 2, a magnetic assembly and a rotating shaft 8; magnetic component includes first magnetic component 3 and second magnetic component 4, lever flat board 1 is connected 8 with the axis of rotation, lever flat board 1 is around 8 swing joint of axis of rotation, lever flat board 1 inboard is provided with elastic mechanism 2, the inboard one end of lever flat board 1 is provided with first magnetic component 3, be provided with second magnetic component 4 on the empty temperature formula vaporizer 5, when lever flat board first magnetic component 3 is close to second magnetic component 4, the magnetic attraction constantly increases this moment, and is in the same place until first magnetic component 3 and second magnetic component 4 inhale, and the magnetic attraction is the biggest this moment, and first magnetic component 3 on lever flat board 1 continues to move down, and the magnetic attraction turns into repulsion force this moment.
Specifically, the present invention provides that the first magnetic assembly 3 and the second magnetic assembly 4 each include an S-pole portion and an N-pole portion; the S pole part and the N pole part are arranged into an integral structure, the S pole part is located on the N pole part, when the N pole part of the first magnetic assembly of the lever plate is close to the S pole part of the second magnetic assembly, the magnetic attraction force is increased continuously, the N pole part of the first magnetic assembly and the S pole part of the second magnetic assembly are attracted together, the magnetic attraction force is maximum, the first magnetic assembly on the lever plate continuously moves downwards, and the magnetic attraction force is converted into the repulsion force. The first magnetic assembly and the second magnetic assembly provided by the invention comprise 1 or more ferromagnetic material bodies and magnetic conductive material bodies; or may be a permanent magnet.
Wherein, snow is progressively to dropping on the lever flat board, when snow progressively drops the lever flat board, the weight of snow compresses elastic mechanism gradually, the lever flat board moves down gradually, increase gradually as snow, first magnetic component and second magnetic component constantly are close to, magnetic attraction constantly increases, attract together until first magnetic component 3 and second magnetic component 4, magnetic attraction is the biggest this moment, when snow increases again, the weight of snow forces first magnetic component 3 on the lever flat board and continues to move down, magnetic attraction just turns into the repulsion force this moment, the direction of force has changed, the repulsion force of first magnetic component 3 and second magnetic component 4 together with elastic mechanism 2's elasticity with the snow on the lever flat board to the position of keeping away from the air temperature formula vaporizer. Specifically, the elastic mechanism 2 provided by the invention is a pressure spring.
The working process is as follows: the device mainly comprises a lever flat plate with a spring and 2 permanent magnets fixed at different positions. The working process is as follows: when snow is not accumulated, the spring keeps a natural extension state. In the gasification process, when the accumulated snow gradually falls to the lever plane, the weight of the accumulated snow gradually compresses the spring, and the lever plane gradually moves downwards. When the accumulated snow is gradually increased, the two magnets are continuously close to each other, and the magnetic force is also continuously increased until the two magnets are attracted together, wherein the magnetic force is the maximum at the moment. When the accumulated snow is increased again, the weight of the accumulated snow forces the magnet on the plane to move downwards continuously, at the moment, the attraction force of the magnet is converted into the repulsion force, the direction of the force is changed, the repulsion force and the elasticity of the spring together bounce the accumulated snow on the plane to the position far away from the base of the gasifier, and the accumulated snow is controlled within a certain height range all the time in a circulating reciprocating mode, so that the influence of the accumulated snow on the gasification effect of the gasifier is avoided.
As a preferred embodiment, the invention also comprises an automatic control device, wherein a heating device 6 and a gravity sensor 7 are arranged on the lever flat plate, and the heating device 6 is used for heating and melting the accumulated snow; the automatic control device is connected with the heating device and the gravity sensor, and further comprises a setting module and a judging module, wherein the setting module is used for setting a gravity preset value and preset time, the judging module is used for judging the gravity preset value and the gravity of the accumulated snow sensed by the gravity sensor, and when the gravity of the accumulated snow is smaller than the gravity preset value and the gravity of the accumulated snow is not increased any more in the preset time, the automatic control device controls the heating device to be started for melting the accumulated snow; if the gravity of the accumulated snow continuously increases within the preset time, the heating device is in a closed state, when the gravity of the accumulated snow increases to the gravity preset value, the weight of the accumulated snow forces the first magnetic assembly on the lever flat plate to continuously move downwards, the magnetic attraction force is converted into a repulsive force at the moment, the direction of the force is changed, and the repulsive force and the elastic force of the elastic mechanism together eject the accumulated snow on the lever flat plate to a position far away from the air-temperature type gasifier.
The automatic control device provided by the invention further comprises a timing module, wherein the timing module is connected with the gravity sensor and is used for recording the time length that the gravity of the accumulated snow in the gravity sensor does not increase any more, and when the time length that the gravity of the accumulated snow in the gravity sensor does not increase any more is longer than the preset time, the automatic control device controls the heating device to start. Specifically, heating device includes the zone of heating, be provided with the heating wire in the zone of heating.
That is, the heating device 6, the gravity sensor 7 and the automatic control device are added on the original gravity type spring for removing the accumulated snow, so that the accumulated snow within the preset gravity range can be heated and melted by the heating device, and partial accumulated snow can be removed.
As shown in fig. 3, the present invention provides a gravity spring snow removing method, which comprises the following steps:
s1: the setting module sets a gravity preset value;
s2: gather gravity sensor's the gravity data of snow in real time, and judge the gravity of gravity default and gravity sensor sensing through the judgement module size of the gravity of the snow, wherein, the gravity sensor is just gathering the weight of snow from the beginning of snow whereabouts, be less than the gravity default from the gravity that begins the snow promptly, the time length that the gravity of snow no longer increases among the real-time recording gravity sensor of timing module, when the time length that the gravity of snow no longer increases among the gravity sensor is greater than the default time, then the gravity of snow in the predetermined time no longer increases, thereby automatic control device control heating device starts.
When the duration that the gravity of snow is no longer increased among gravity sensor is less than when predetermineeing the time, then the gravity of affirming for snow can continuously increase, the gravity of affirming snow this moment is probably to reach the gravity default, therefore, heating device is in the off-state, preferentially use the weight of snow to make its mode snow removing of popping out, wait to the gravity of snow reach the gravity default, then the weight of snow forces first magnetic component on the lever flat board to continue to move down, first magnetic component and second magnetic component's magnetic attraction transform into the repulsion force, the direction of force has changed, the repulsion force is with the position of snow bullet to keeping away from air temperature formula vaporizer on the lever flat board together of elastic mechanism.
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.

Claims (8)

1. A gravity type spring snow removing device is characterized by comprising a lever flat plate, a spring, a magnetic assembly and a rotating shaft; magnetic component includes first magnetic component and second magnetic component, the lever is dull and stereotyped to be connected with the pivot, and the lever is dull and stereotyped around rotation axis swing joint, the dull and stereotyped inboard of lever is provided with the spring, the one end of lever plane inboard is provided with first magnetic component, is provided with second magnetic component on the air-temperature formula vaporizer, and when the dull and stereotyped first magnetic component of lever was close to second magnetic component, magnetic attraction constantly increases this moment, and is in the same place until first magnetic component and second magnetic component are inhaled, and magnetic attraction is the biggest this moment, and first magnetic component when on the lever is dull and stereotyped continues to move down, and magnetic attraction turns into repulsion force this moment.
2. A gravity spring snow removal apparatus as claimed in claim 1 wherein said first and second magnetic assemblies each comprise an S-pole portion and an N-pole portion; the S pole part and the N pole part are arranged into an integral structure, the S pole part is located on the N pole part, when the N pole part of the first magnetic assembly of the lever plate is close to the S pole part of the second magnetic assembly, the magnetic attraction force is increased continuously, the N pole part of the first magnetic assembly and the S pole part of the second magnetic assembly are attracted together, the magnetic attraction force is maximum, the first magnetic assembly on the lever plate continuously moves downwards, and the magnetic attraction force is converted into the repulsion force.
3. A gravity spring snow removing device as claimed in claim 1, wherein when snow falls down to the lever plate gradually, the weight of the snow gradually compresses the spring, the lever plate gradually moves downward, as the snow increases gradually, the first magnetic assembly and the second magnetic assembly get closer to each other, the magnetic attraction force increases continuously until the first magnetic assembly and the second magnetic assembly attract each other, the magnetic attraction force is maximum, when the snow increases again, the weight of the snow forces the first magnetic assembly on the lever plate to move downward continuously, the magnetic attraction force is converted into a repulsive force, the direction of the magnetic force is changed, and the repulsive force together with the elastic force of the spring ejects the snow on the lever plate to a position far away from the air-temperature vaporizer.
4. A gravity spring snow removing device as claimed in claim 1, further comprising an automatic control device, wherein the lever plate is provided with a heating device and a gravity sensor, and the heating device is used for heating and melting snow; the automatic control device is connected with the heating device and the gravity sensor, and further comprises a setting module and a judging module, wherein the setting module is used for setting a gravity preset value and preset time, the judging module is used for judging the gravity preset value and the gravity of the accumulated snow sensed by the gravity sensor, and when the gravity of the accumulated snow is smaller than the gravity preset value and the gravity of the accumulated snow is not increased any more in the preset time, the automatic control device controls the heating device to start to melt the accumulated snow; if the gravity of the accumulated snow continuously increases within the preset time, the heating device is in a closed state, when the gravity of the accumulated snow increases to the gravity preset value, the weight of the accumulated snow forces the first magnetic assembly on the lever flat plate to continuously move downwards, the magnetic attraction force is converted into a repulsive force at the moment, the direction of the force is changed, and the repulsive force and the elastic force of the spring together eject the accumulated snow on the lever flat plate to a position far away from the air-temperature type gasifier.
5. A gravity spring snow removing device as claimed in claim 4, wherein the automatic control device further comprises a timing module connected to the gravity sensor for recording a time period during which gravity of snow in the gravity sensor is no longer increasing, and when the time period during which gravity of snow in the gravity sensor is no longer increasing is longer than a preset time, the automatic control device controls the heating device to start.
6. A gravity spring snow removal apparatus as claimed in claim 4 wherein said heating means comprises a heating layer within which heating wires are disposed.
7. A gravity spring snow removing method using the gravity spring snow removing device according to any one of claims 4 to 6, comprising the steps of:
s1: the setting module sets a gravity preset value;
s2: the gravity data of the accumulated snow of the gravity sensor is collected in real time, the gravity preset value and the gravity of the accumulated snow sensed by the gravity sensor are judged through the judgment module, and if the gravity of the accumulated snow is smaller than the gravity preset value and the gravity of the accumulated snow does not increase within preset time, the automatic control device controls the heating device to heat, and the heating device is used for melting the accumulated snow;
if the gravity of the accumulated snow continuously increases within the preset time, the gravity data of the accumulated snow of the gravity sensor are continuously collected until the gravity of the accumulated snow reaches the gravity preset value, the weight of the accumulated snow forces the first magnetic assembly on the lever flat plate to continuously move downwards, the magnetic attraction force of the first magnetic assembly and the second magnetic assembly is converted into a repulsive force, the direction of the force is changed, and the repulsive force and the elastic force of the spring together eject the accumulated snow on the lever flat plate to a position far away from the air-temperature type gasifier.
8. The gravity spring snow removing method according to claim 7, wherein the determination of no increase of gravity of snow in the preset time period in step S2 is specifically that the timing module records in real time a time period during which gravity of snow in the gravity sensor is no longer increased, and when the time period during which gravity of snow in the gravity sensor is no longer increased is longer than the preset time period, the time period is determined that gravity of snow is no longer increased within the preset time period, so that the automatic control device controls the heating device to start.
CN202011058937.6A 2020-09-30 2020-09-30 Gravity type spring snow removing device Active CN112212212B (en)

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FR1529677A (en) * 1967-03-30 1968-06-21 Automatisme Cie Gle Magnetic reading machine
US10587105B2 (en) * 2016-05-30 2020-03-10 Snowrid Lines System Limited Snow/ice removal device for overhead lines
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CN109818565B (en) * 2019-04-02 2020-05-15 上海理工大学 Device and method for automatically removing accumulated snow of photovoltaic cell panel
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