CN210014856U - Temperature monitor capable of automatically lifting along with thickness of snow layer - Google Patents
Temperature monitor capable of automatically lifting along with thickness of snow layer Download PDFInfo
- Publication number
- CN210014856U CN210014856U CN201921225875.6U CN201921225875U CN210014856U CN 210014856 U CN210014856 U CN 210014856U CN 201921225875 U CN201921225875 U CN 201921225875U CN 210014856 U CN210014856 U CN 210014856U
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- temperature sensor
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- fixing rod
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Abstract
The utility model discloses a can be along with temperature monitor of snow layer thickness automatic rising, include: the base is longitudinally and sequentially provided with a first fixed rod, a second fixed rod and a third fixed rod; the first fixed rod is slidably sleeved with a first sleeve, a temperature sensor is fixed on the first sleeve, and a rack is arranged on the side wall of the first sleeve, which is close to the first fixed rod; a spring and a second sleeve are sequentially sleeved on the third fixed rod from bottom to top, a snow containing disc is fixed at the upper end of the second sleeve, and a rack is arranged on the side wall, close to the first fixed rod, of the second sleeve; the upper end of the second fixed rod is provided with a gear in a rolling mode, and two sides of the gear are meshed with the racks on the first sleeve and the second sleeve respectively. The temperature monitor is simple in structure, easy to operate, high in working reliability and stability, and capable of moving up correspondingly along with the change of the snowfall depth, so that half of the temperature sensor is always located in snow, and the other half of the temperature sensor is exposed in air to complete temperature measurement.
Description
Technical Field
The utility model relates to a meteorological observation field, concretely relates to can be along with temperature monitor of snow layer thickness automatic rising.
Background
The snow surface temperature measurement is an important part of ground meteorological observation, and according to ground meteorological observation specifications, the snow surface temperature measurement is required to meet the specification requirements, when the temperature sensor is covered by snowfall, the temperature sensor needs to be manually pulled out and placed again, and half of the temperature sensor is positioned in the snow, and the other half of the temperature sensor is exposed in the air.
At present, the temperature sensor is adjusted to a great extent by manpower in snow surface temperature measurement, and the outdoor environment is severe, so that a monitoring instrument capable of automatically detecting the temperature of the snow surface needs to be developed.
SUMMERY OF THE UTILITY MODEL
For solving above problem, the utility model provides a can be along with snow layer thickness automatic rising's temperature monitor, this temperature monitor simple structure, easily operation, operational reliability and stability are high, can be along with the change of the degree of depth of snowing, and temperature sensor is corresponding shifts up, makes temperature sensor half be located snow all the time, and half exposes among the air, accomplishes the measurement of temperature, and unmanned guard's automated measurement when being applicable to field work, operation safe and reliable, and maintenance and installation are simple.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A temperature monitor capable of automatically lifting along with the thickness of a snow layer comprises: the fixing device comprises a base, wherein a first fixing rod, a second fixing rod and a third fixing rod are sequentially arranged on the base in the longitudinal direction; the first fixing rod is sleeved with a first sleeve in a sliding mode, a temperature sensor is fixed on the first sleeve, and a rack is arranged on the side wall, close to the first fixing rod, of the first sleeve; a spring and a second sleeve are sequentially sleeved on the third fixing rod from bottom to top, a snow containing disc is fixed at the upper end of the second sleeve, and a rack is arranged on the side wall, close to the first fixing rod, of the second sleeve; the upper end of the second fixing rod is provided with a gear in a rolling mode, and two sides of the gear are meshed with the racks on the first sleeve and the second sleeve respectively.
According to the utility model discloses a can be along with snow layer thickness automatic rising's temperature monitor, the base is alloy tripod base, and the outward appearance is sprayed paint and is handled and can effectively prevent to corrode, increases its life and maintenance cycle, and the base is arranged in inserting the soil layer, plays good fixed action, guarantees to last work in the adverse circumstances in the external world. The first fixing rod, the second fixing rod and the third fixing rod are respectively cylindrical stainless steel tubes and are fixed on the base. The first sleeve and the second sleeve are made of stainless steel materials and are respectively sleeved on the first fixing rod and the third fixing rod correspondingly, the surfaces of the first fixing rod and the third fixing rod are smooth, lubricating oil is smeared in the first sleeve and the second sleeve during use, and friction force between the sleeves and the fixing rods is reduced. The inner diameter of the first sleeve is slightly larger than the outer diameter of the first fixing rod, the inner diameter of the second sleeve is slightly larger than the outer diameter of the third fixing rod, and the friction force is reduced while the stability of the sleeves in up-and-down movement of the corresponding fixing rods is guaranteed. The gear is an alloy gear with small weight, has the characteristics of wear resistance and corrosion resistance, and can work for a long time in a field environment. The spring is cylindrical compression spring, and on the third dead lever was located to the cover, the upper end and the telescopic contact of second of spring, the lower extreme and the base contact of spring, when whole temperature monitor was in initial condition, the spring did not receive the compression, along with the increase of snowfall volume, atress compression gradually. The snow containing disc consists of a stainless steel pipe and a polyvinyl chloride plastic disc. When snowfall appears, connect greatly snow through flourishing snow dish, the weight of snow will make second sleeve rebound and compression spring, second sleeve rebound drives the gear and rotates in the same direction as the pointer, further drives first sleeve rebound, make the temperature sensor with first sleeve fixed connection rebound, along with the further increase of snow weight, temperature sensor rebound gradually, need not artifical temperature sensor of pulling out, can measure snow face temperature, it is laborsaving to save trouble, it is convenient directly perceived, be applicable to the measurement to snow face temperature under the open-air adverse circumstances condition.
Further, the compression length of the spring is equal to the snowfall depth, so that the upward moving distance of the temperature sensor is the same as the snowfall depth, and the temperature sensor is adjusted more accurately. The mechanical principle can be used for obtaining:
L×k＝πr2h×ρg
wherein L represents the compressed length of the spring; k represents the elastic modulus of the spring; r represents the radius of the snow tray; h represents the depth of snowfall; ρ represents the density of snow, and is taken to be 0.24g/cm3(ii) a g represents the acceleration of gravity, and is 9.8m/s2。
Wherein the compression length L of the spring is equal to the snowfall depth h, therefore, the above formula is simplified to
k＝πr2ρg
From the above formula, the elastic modulus of the spring is related to the radius of the snow tray, for example, when the radius of the snow tray is 10cm, the elastic modulus of the spring is 73.89N/m. The snowfall depth can be equal to the upward moving distance of the temperature sensor by selecting a snow containing disc with the radius of 10cm and a spring with the elastic modulus of 73.89N/m.
Preferably, the lifting device further comprises a balancing weight, and the balancing weight is arranged on the second sleeve.
According to the utility model discloses a can be along with the temperature monitor of snow layer thickness automatic rising, the balancing weight is made by the great stainless steel metal block of quality, and the balancing weight is used for adjusting whole temperature monitor's initial condition, makes its keep balance, and the spring is not stressed for temperature monitor's correction. When the balance weight block begins to be matched with the plane, the number of the balance weight block is increased and decreased firstly, when the last balance weight block is increased and decreased, the first sleeve does not obviously move up and down relative to the first fixed rod any more, the second sleeve does not obviously move up and down relative to the third fixed rod any more, the balance weight is stopped, and the spring is in a non-compression state at the moment.
Preferably, the sand leakage device further comprises a sand leakage box, the sand leakage box is arranged on the second sleeve, and a discharge port stop valve is arranged at the bottom end of the sand leakage box.
According to the utility model discloses a can be along with snow cover thickness automatic rising's temperature monitor, leak the sand box and be stainless steel, from up being spring, second sleeve, balancing weight, leaking sand box and snow tray down in proper order on the third dead lever. The fine sand is equipped with in the hourglass sand box, after adopting the balancing weight to carry out preliminary leveling, adopts hourglass sand box again to carry out fine leveling, carries out accurate calibration to whole temperature monitor through the mode of the discharge gate stop valve of control bottom or to leaking the sand box and adding the fine sand.
Preferably, a temperature sensor is fixed to the first sleeve through a first bracket.
According to the utility model discloses a can be along with the temperature monitor of snow cover thickness automatic rising, first support is aluminum alloy Y type support for support temperature sensor, make temperature sensor fixed firm.
Preferably, the total mass of the temperature sensor, the first bracket and the first sleeve is equal to the total mass of the second sleeve, the balancing weight, the sand leakage box and the snow tray.
According to the utility model discloses a can be along with the temperature monitor of snow cover thickness automatic rising, the mass sum of temperature sensor, first support and first sleeve equals with the mass sum of second sleeve, balancing weight, hourglass sand box and flourishing snow dish for the spring is not compressed when initial condition.
Preferably, the temperature sensor is a platinum resistance temperature sensor.
According to the utility model discloses a can be along with the temperature monitor of snow layer thickness automatic rising, platinum resistance temperature sensor utilizes the characteristic that metal platinum self resistance value also changed thereupon when the temperature variation to measure the temperature, measures snow face temperature through platinum resistance temperature sensor.
Preferably, a shaft is fixed to an upper end of the second fixing rod, and the shaft is connected to the gear through a bearing.
According to the utility model discloses a can be along with the temperature monitor of snow layer thickness automatic rising, the gear passes through the bearing and is connected with the hub spindle on the second dead lever, makes the gear can surround the axle and be circular motion.
Preferably, a second support is longitudinally fixed on the base, a sand receiving box is fixed at the upper end of the second support, and the open end of the top end of the sand receiving box is opposite to the discharge hole of the sand leakage box.
According to the utility model discloses a can be along with the temperature monitor of snow cover thickness automatic rising, connect the sand box to be used for catching the fine sand that leaks the sand box and spill, conveniently carry out recycle to the fine sand, can set up the handle on the lateral wall of sand box leaks, convenient operation.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the temperature monitor of the utility model, which can automatically rise and fall along with the thickness of the snow layer.
In the above figures: 1, a base; 2 a first fixing bar; 3 a second fixing rod; 4 a third fixing rod; 5 a first sleeve; 6 a temperature sensor; 7, a spring; 8 a second sleeve; 9 a snow tray; 10 gears; 11 a balancing weight; 12, a sand leakage box; 13 a first support; 14 a second bracket; 15 receiving the sand box.
Detailed Description
Referring to fig. 1, according to an embodiment of the present invention, a temperature monitor capable of automatically ascending and descending along with the thickness of a snow layer includes: the device comprises a base 1, wherein a first fixing rod 2, a second fixing rod 3 and a third fixing rod 4 are sequentially arranged on the base 1 in the longitudinal direction; a first sleeve 5 is slidably sleeved on the first fixing rod 2, a temperature sensor 6 is fixed on the first sleeve 5, and a rack is arranged on the side wall, close to the first fixing rod 2, of the first sleeve 5; a spring 7 and a second sleeve 8 are sequentially sleeved on the third fixing rod 4 from bottom to top, a snow containing disc 9 is fixed at the upper end of the second sleeve 8, and a rack is arranged on the side wall, close to the first fixing rod 2, of the second sleeve 8; the upper end of the second fixing rod 3 is provided with a gear 10 in a rolling mode, and two sides of the gear 10 are meshed with the racks on the first sleeve 5 and the second sleeve 8 respectively.
In the above embodiment, the base 1 is an alloy tripod base 1, the surface painting treatment can effectively prevent corrosion, the service life and the maintenance period of the alloy tripod base are prolonged, and the base 1 is used for being inserted into a soil layer, so that a good fixing effect is achieved, and the base can continuously work in an external severe environment. The first fixing rod 2, the second fixing rod 3 and the third fixing rod 4 are respectively cylindrical stainless steel tubes and are fixed on the base 1. First sleeve 5 and second sleeve 8 are stainless steel respectively, correspond the cover respectively and locate first dead lever 2 and third dead lever 4 on, first dead lever 2 and third dead lever 4 surface is smooth, scribble lubricating oil in with first sleeve 5 and second sleeve 8 during the use, reduce the frictional force between sleeve and the dead lever. The inner diameter of the first sleeve 5 is slightly larger than the outer diameter of the first fixing rod 2, the inner diameter of the second sleeve 8 is slightly larger than the outer diameter of the third fixing rod 4, and the stability of the sleeves during up-and-down movement of the corresponding fixing rods is guaranteed while friction force is reduced. The gear 10 is an alloy gear 10 with small weight, has the characteristics of wear resistance and corrosion resistance, and can work for a long time in a field environment. Spring 7 is cylindrical compression spring 7, and on third dead lever 4 was located to the cover, spring 7's upper end and second sleeve 8's contact, spring 7's lower extreme and base 1 contact, when whole temperature monitor was in initial condition, spring 7 did not receive the compression, along with the increase of snowfall volume, the atress compression gradually. The snow containing disc 9 consists of a stainless steel pipe and a polyvinyl chloride plastic disc. When snowfall appears, connect greatly snow through flourishing snow dish 9, the weight of snow will make second sleeve 8 downstream and compression spring 7, second sleeve 8 downstream drives gear 10 and rotates along with the pointer, further drive first sleeve 5 rebound, make the temperature sensor 6 with 5 fixed connection of first sleeve rebound, along with the further increase of snow weight, temperature sensor 6 rebound gradually, need not artifical extraction temperature sensor 6, can measure snow face temperature, it is laborsaving to save trouble, it is convenient directly perceived, be applicable to the measurement to snow face temperature under the open-air adverse circumstances condition.
Further, the compressed length of the spring 7 is equal to the depth of the snowfall, so that the temperature sensor 6 moves up by the same distance as the depth of the snowfall, and the temperature sensor 6 is adjusted more accurately. The mechanical principle can be used for obtaining:
L×k＝πr2h×ρg
wherein L represents the compressed length of the spring; k represents the elastic modulus of the spring; r represents the radius of the snow tray; h represents the depth of snowfall; ρ represents the density of snow, and is taken to be 0.24g/cm3(ii) a g represents the acceleration of gravity, and is 9.8m/s2。
Here, the compressed length L of the spring 7 is equal to the snowfall depth h, and therefore, the above formula is simplified to
k＝πr2ρg
From the above formula, the elastic modulus of the spring is related to the radius of the snow tray, for example, when the radius of the snow tray is 10cm, the elastic modulus of the spring is 73.89N/m. The snowfall depth can be equal to the upward moving distance of the temperature sensor by selecting a snow containing disc with the radius of 10cm and a spring with the elastic modulus of 73.89N/m.
Referring to fig. 1, according to an embodiment of the present invention, the present invention further includes a weight block 11, wherein the weight block 11 is disposed on the second sleeve 8.
In the above embodiment, the counterweight 11 is made of a stainless steel metal block with a large mass, the counterweight 11 is used for adjusting the initial state of the whole temperature monitor to keep balance, and the spring 7 is not stressed and is used for correcting the temperature monitor. When the balancing weight 11 starts to be matched with the plane, the number of the balancing weight 11 is increased or decreased firstly, when the last balancing weight is increased or decreased, the first sleeve 5 does not obviously move up and down relative to the first fixing rod 2 any more, the second sleeve 8 does not obviously move up and down relative to the third fixing rod 4 any more, the balancing weight is stopped, and at the moment, the spring 7 is in a non-compression state.
Referring to fig. 1, according to the utility model discloses an embodiment still includes hourglass sand box 12, hourglass sand box 12 set up in on the second sleeve 8, the bottom of hourglass sand box 12 is provided with the discharge gate stop valve.
In the above embodiment, the sand leakage box 12 is made of stainless steel, and the third fixing rod 4 is sequentially provided with the spring 7, the second sleeve 8, the counterweight 11, the sand leakage box 12 and the snow containing plate 9 from bottom to top. The fine sand is equipped with in leaking sand box 12, after adopting balancing weight 11 to carry out preliminary leveling, adopts again to leak sand box 12 and carries out slight leveling, carries out accurate calibration to whole temperature monitor through the mode of the discharge gate stop valve of control bottom or to leaking sand box 12 interpolation fine sand.
Referring to fig. 1, according to an embodiment of the present invention, a temperature sensor 6 is fixed on the first sleeve 5 through a first bracket 13.
In the above embodiment, the first bracket 13 is an aluminum alloy Y-shaped bracket for supporting the temperature sensor 6, so that the temperature sensor 6 is firmly fixed.
Referring to fig. 1, according to an embodiment of the present invention, the total mass of the temperature sensor 6, the first bracket 13 and the first sleeve 5 is equal to the total mass of the second sleeve 8, the balancing weight 11, the sand leakage box 12 and the snow tray 9.
In the above embodiment, the sum of the masses of the temperature sensor 6, the first bracket 13 and the first sleeve 5 is equal to the sum of the masses of the second sleeve 8, the weight block 11, the sand leakage box 12 and the snow tray 9, so that the spring 7 is not compressed in the initial state.
According to an embodiment of the present invention, the temperature sensor 6 is a platinum resistance temperature sensor 6.
In the above embodiment, the platinum resistance temperature sensor 6 measures the temperature by using the characteristic that the resistance value of the platinum metal itself changes when the temperature changes, and the temperature of the snow surface is measured by the platinum resistance temperature sensor 6.
According to an embodiment of the present invention, the upper end of the second fixing rod 3 is fixed with a shaft, which is connected with the gear 10 through a bearing.
In the above embodiment, the gear 10 is rotatably connected to the shaft on the second fixing rod 3 through a bearing, so that the gear 10 can make a circular motion around the shaft.
Referring to fig. 1, according to the utility model discloses an embodiment, longitudinally fixed with second support 14 on the base, the upper end of second support 14 is fixed with connects sand box 15, connect the top open end of sand box 15 just to leak the discharge gate of sand box 12.
In the above embodiment, the sand receiving box 15 is used for receiving fine sand leaked from the sand leakage box 12, so that the fine sand is conveniently recycled, and a handle can be arranged on the side wall of the sand leakage box 12, so that the operation is convenient.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims (8)
1. The utility model provides a can be along with temperature monitor of snow layer thickness automatic rising which characterized in that includes: the device comprises a base (1), wherein a first fixed rod (2), a second fixed rod (3) and a third fixed rod (4) are sequentially arranged on the base (1) in the longitudinal direction;
the temperature sensor is characterized in that a first sleeve (5) is sleeved on the first fixing rod (2) in a sliding mode, a temperature sensor (6) is fixed on the first sleeve (5), and a rack is arranged on the side wall, close to the first fixing rod (2), of the first sleeve (5);
a spring (7) and a second sleeve (8) are sequentially sleeved on the third fixing rod (4) from bottom to top, a snow containing disc (9) is fixed at the upper end of the second sleeve (8), and a rack is arranged on the side wall, close to the first fixing rod (2), of the second sleeve (8);
the upper end of the second fixing rod (3) is provided with a gear (10) in a rolling mode, and two sides of the gear (10) are meshed with racks on the first sleeve (5) and the second sleeve (8) respectively.
2. The temperature monitor capable of automatically ascending and descending along with the thickness of the snow layer as claimed in claim 1, further comprising a weight block (11), wherein the weight block (11) is arranged on the second sleeve (8).
3. The temperature monitor capable of automatically lifting along with the thickness of the snow cover as claimed in claim 2, further comprising a sand leaking box (12), wherein the sand leaking box (12) is arranged on the second sleeve (8), and a discharge port stop valve is arranged at the bottom end of the sand leaking box (12).
4. The temperature monitor capable of automatically lifting along with the thickness of the snow layer as claimed in claim 3, wherein the first sleeve (5) is fixed with the temperature sensor (6) through the first bracket (13).
5. The temperature monitor capable of automatically lifting along with the thickness of the snow layer as claimed in claim 4, wherein the total mass of the temperature sensor (6), the first bracket (13) and the first sleeve (5) is equal to the total mass of the second sleeve (8), the balancing weight (11), the sand leakage box (12) and the snow containing disc (9).
6. The temperature monitor capable of automatically ascending and descending along with the thickness of the snow layer as claimed in claim 1, wherein the temperature sensor (6) is a platinum resistance temperature sensor.
7. The temperature monitor capable of automatically ascending and descending along with the thickness of the snow layer as claimed in claim 1, wherein a shaft is fixed at the upper end of the second fixing rod (3), and the shaft is connected with the gear (10) through a bearing.
8. The temperature monitor capable of automatically lifting along with the thickness of the snow cover as claimed in claim 3, wherein a second bracket (14) is longitudinally fixed on the base (1), a sand receiving box (15) is fixed at the upper end of the second bracket (14), and the open end of the top end of the sand receiving box (15) is over against the discharge hole of the sand leakage box (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225875.6U CN210014856U (en) | 2019-07-31 | 2019-07-31 | Temperature monitor capable of automatically lifting along with thickness of snow layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225875.6U CN210014856U (en) | 2019-07-31 | 2019-07-31 | Temperature monitor capable of automatically lifting along with thickness of snow layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014856U true CN210014856U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921225875.6U Expired - Fee Related CN210014856U (en) | 2019-07-31 | 2019-07-31 | Temperature monitor capable of automatically lifting along with thickness of snow layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115931043A (en) * | 2022-11-07 | 2023-04-07 | 河北北方学院 | Full-automatic intelligent control greenhouse for breeding potato breeder seeds |
-
2019
- 2019-07-31 CN CN201921225875.6U patent/CN210014856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115931043A (en) * | 2022-11-07 | 2023-04-07 | 河北北方学院 | Full-automatic intelligent control greenhouse for breeding potato breeder seeds |
| CN115931043B (en) * | 2022-11-07 | 2023-10-03 | 河北北方学院 | Full-automatic intelligent control greenhouse for breeding potato stock |
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Granted publication date: 20200204 Termination date: 20210731 |