CN113701914A - Temperature measuring device and railway wagon - Google Patents
Temperature measuring device and railway wagon Download PDFInfo
- Publication number
- CN113701914A CN113701914A CN202111017136.XA CN202111017136A CN113701914A CN 113701914 A CN113701914 A CN 113701914A CN 202111017136 A CN202111017136 A CN 202111017136A CN 113701914 A CN113701914 A CN 113701914A
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- temperature
- measuring device
- temperature sensing
- temperature measuring
- alloy
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- 239000011540 sensing material Substances 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 5
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 39
- 230000001681 protective effect Effects 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000012780 transparent material Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010257 thawing Methods 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
- G01K11/14—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of inorganic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a temperature measuring device and a railway wagon, wherein the temperature measuring device comprises a fixed support, and the fixed support is provided with an installation structure and is used for being installed in a temperature measuring environment; the fixing support is further provided with a temperature sensing assembly, the temperature sensing assembly comprises a temperature sensing material, and the temperature sensing material is configured to form a state corresponding to at least one temperature threshold. One or more temperature sensing materials are adopted, and each temperature sensing material corresponds to a temperature threshold value; therefore, through different states of the temperature sensing material, an operator can know the ambient temperature of the railway wagon in the current state, and the service life of the non-heat-resistant part of the vehicle is prevented from being influenced by overhigh thawing temperature. The invention displays the environmental temperature through the temperature sensing material, the use temperature of the temperature sensing material is not limited, and the cost is low.
Description
Technical Field
The invention relates to the technical field of unfreezing, in particular to a temperature measuring device and a railway wagon.
Background
At present, when a truck enters a thawing warehouse to thaw goods in winter, the temperature of the thawing warehouse in the thawing process is high and exceeds 100 ℃, and the duration time can reach several hours. If the thawing temperature is too high, the non-heat-resistant parts of the vehicle have the risk of life reduction.
Currently, the most common temperature recording device for railway vehicles is electronic, senses temperature by using a temperature sensor, and measures and stores the temperature by using an embedded host. However, the maximum temperature of the electronic component is usually 70 ℃ to 85 ℃, and the electronic component cannot be applied to the high-temperature environment of the thawing warehouse.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a temperature measuring device suitable for a thawing warehouse to ensure the service life of non-heat-resistant components of a vehicle.
Disclosure of Invention
The invention aims to provide a temperature measuring device suitable for a thawing warehouse and a railway wagon.
The invention provides a temperature measuring device, which comprises a fixed support, wherein the fixed support is provided with an installation structure and is used for being installed in a temperature measuring environment; the fixing support is further provided with a temperature sensing assembly, the temperature sensing assembly comprises a temperature sensing material, and the temperature sensing material can be configured to form a state corresponding to at least one temperature threshold. One or more temperature sensing materials are used, and each temperature sensing material corresponds to a temperature threshold.
Therefore, through different states of the temperature sensing material, an operator can know the ambient temperature of the railway wagon in the current state, and the service life of the non-heat-resistant part of the vehicle is prevented from being influenced by overhigh thawing temperature. The invention displays the environmental temperature through the temperature sensing material, the use temperature of the temperature sensing material is not limited, and the cost is low.
Optionally, the temperature sensing material includes a temperature sensing sticker, the temperature sensing sticker is configured with at least two display sections corresponding to two temperature thresholds, and when the ambient temperature is higher than the nth temperature threshold, the color of the display section corresponding to the nth temperature threshold changes into a predetermined color.
Optionally, the temperature sensing device further comprises a heat conducting plate and a protective cover, the heat conducting plate is fixed on the fixing support, the protective cover is installed on the heat conducting plate, a sealing cavity is formed between the heat conducting plate and the protective cover, the temperature sensing sticker is located in the sealing cavity and attached to the surface of the heat conducting plate, and the protective cover at least faces the position of the temperature sensing sticker and is made of transparent materials.
Optionally, the protective cover is detachably mounted on the heat conducting plate through a bolt, and a sealing part is further arranged between the protective cover and the contact surface of the heat conducting plate.
Optionally, the temperature sensing material includes at least one fusible alloy, and the melting points of the fusible alloys correspond to different temperature thresholds respectively.
Optionally, the fusible alloy fixing device further comprises alloy brackets, each fusible alloy is fixed to the alloy bracket, and the alloy brackets are detachably fixed to the fixing brackets.
Optionally, the tray is detachably connected to the fixing support or the alloy support through a support and a bolt, and the tray is located below each fusible alloy and used for storing liquid after the fusible alloy is melted.
Optionally, the temperature sensing material further includes at least one fusible alloy, the melting point of each fusible alloy corresponds to different temperature thresholds, and the fusible alloy is detachably connected to the fixing support through an alloy support.
Optionally, the fixing bracket is of a split structure and comprises a first main body and a second main body which are connected through bolts, the first main body and the second main body enclose a mounting hole which is matched and fixed with a brake pipe of a railway wagon, and the mounting structure is the mounting hole;
alternatively, the mounting structure is a bolt hole or a screw hole.
In addition, the invention also provides a railway wagon, which comprises a wagon body and the temperature measuring device, wherein the temperature measuring device is arranged at the wagon body position close to the brake pipe of the brake valve or the bogie rubber part through the mounting structure.
The railway wagon provided by the invention has the technical effect of the temperature measuring device because the temperature measuring device is arranged.
Drawings
FIG. 1 is a schematic structural diagram of a temperature measuring device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a temperature measuring device according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a temperature measuring device according to a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a temperature measuring device according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a temperature measuring device according to a fifth embodiment of the present invention.
Wherein, in fig. 1 to 5:
the temperature sensing paster comprises a temperature sensing paster 1, a heat conducting plate 2, a bolt 3, a protective cover 4, a sealing part 4-1, a fixing support 5, a first main body 51, a second main body 52 and a mounting hole 5 a; a tray 6, a fusible alloy 7, a support 8 and an alloy bracket 9.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a temperature measuring device according to a first embodiment of the present invention; FIG. 2 is a schematic structural diagram of a temperature measuring device according to a second embodiment of the present invention; FIG. 3 is a schematic structural diagram of a temperature measuring device according to a third embodiment of the present invention; FIG. 4 is a schematic structural diagram of a temperature measuring device according to a fourth embodiment of the present invention; FIG. 5 is a schematic structural diagram of a temperature measuring device according to a fifth embodiment of the present invention.
The invention provides a temperature measuring device which is suitable for measuring the temperature of goods in a unfreezing warehouse during unfreezing. The temperature measuring device provided by the invention comprises a fixed support 5, wherein the fixed support 5 is provided with an installation structure for being installed in a temperature measuring environment; the fixed bracket 5 may be mounted in a suitable position in the thawing warehouse and may also be mounted in a suitable position in a railway wagon, and the specific embodiment of the fixed bracket 5 mounted in the railway wagon is shown herein. The fixing bracket 5 can be installed at a proper position of the railway wagon, for example, the temperature measuring device can be arranged close to the non-heat-resistant parts on the railway wagon, the non-heat-resistant parts of the railway wagon usually comprise a brake valve, a bogie rubber part and the like, and the temperature measuring device can be installed close to the parts, for example, the temperature measuring device is installed on a brake pipe close to the brake valve or a car body close to the bogie rubber, so that the temperature measuring device can accurately detect the temperature of the environment where the non-heat-resistant parts are located.
Of course, the installation position of the temperature measuring device is selected mainly according to the arrangement of parts on the railway wagon, and the normal work of other parts on the railway wagon is not influenced.
In one example, the fixing bracket 5 is mounted on a brake pipe of a railway wagon, and accordingly, the fixing bracket 5 is provided with a mounting hole 5a, the mounting hole 5a is matched with the brake pipe to be fixedly mounted, and a part of a pipe section of the brake pipe is positioned inside the mounting hole 5 a. Of course, the fixing bracket 5 is not limited to be mounted on the brake pipe, and may be mounted on other positions of the car body, for example, the fixing bracket 5 is provided with a threaded hole or a screw hole, and is fixedly connected to the car body of the railway wagon through a bolt or a screw.
The fixing support 5 of the present invention is further provided with a temperature sensing component, the temperature sensing component includes a temperature sensing material, the temperature sensing material is configured to have at least a state corresponding to one temperature threshold, that is, the temperature sensing material may have one or two or more different states, respectively corresponding to different temperature thresholds.
Therefore, through different states of the temperature sensing material, an operator can know the ambient temperature of the railway wagon in the current state, and the service life of the non-heat-resistant part of the vehicle is prevented from being influenced by overhigh thawing temperature. The invention displays the environmental temperature through the temperature sensing material, the use temperature of the temperature sensing material is not limited, and the cost is low.
In the first embodiment, the temperature sensing material may include the temperature sensing sticker 1, the temperature sensing sticker 1 is provided with at least display sections corresponding to two temperature thresholds, and when the ambient temperature is higher than the nth temperature threshold, the color of the display section corresponding to the nth temperature threshold changes to a predetermined color. That is, the temperature sensitive sticker 1 includes N display sections, each of which corresponds to one temperature threshold value, and the temperature threshold values are gradually increased along the arrangement direction of the display sections. For example: the temperature sensing sticker 1 includes 3 display sections: the temperature control device comprises a first display interval, a second display interval and a third display interval, wherein the first display interval corresponds to a first temperature threshold value, the second display interval corresponds to a second temperature threshold value, the third display interval corresponds to a third temperature threshold value, the first temperature threshold value is smaller than the second temperature threshold value, the second temperature threshold value is smaller than the third temperature threshold value, and when the color of the first display interval is displayed as a preset color and the colors of other display intervals are not changed, the current environment temperature is within the range of the first temperature threshold value. When the color of the second display interval is displayed as the preset color and the color of the third display interval is not changed, the environment temperature is within the second temperature threshold range at the moment, and when the colors of the first display interval to the third display interval are all changed, the environment temperature is within the third temperature threshold range at the moment.
The operator can judge the ambient temperature at this time by the display state of the temperature sensing sticker 1, and perform corresponding operation to avoid the over-high ambient temperature of the vehicle due to thawing, and the temperature sensing sticker 1 is cheap and has low replacement cost.
In order to protect the temperature sensing sticker 1, the temperature measuring device can further comprise a heat conducting plate 2 and a protective cover, the heat conducting plate 2 is fixed on the fixing support 5, the protective cover is installed on the heat conducting plate 2, a sealing cavity is formed between the heat conducting plate 2 and the protective cover, the temperature sensing sticker 1 is located in the sealing cavity and attached to the surface of the heat conducting plate 2, and the protective cover at least faces the position, facing the temperature sensing sticker 1, of the transparent material. The transparent material can be toughened glass or other transparent materials.
The heat conducting plate 2 should have better heat transfer performance, can be the metal sheet, and the heat conducting plate 2 can be with ambient temperature conduction for temperature sensing sticker 1, improves temperature sensing sticker 1 to ambient temperature measuring's reliability. The sealed cavity that visor and heat-conducting plate 2 formed plays the guard action to temperature sensing sticker 1, avoids temperature sensing sticker 1 to be destroyed. The transparent material of the protective cover 4 forms a transparent window, and an operator can observe the state change condition of the temperature sensing sticker 1 in the sealing cavity through the transparent window so as to know the current environmental temperature.
In this embodiment, the protective cover 4 can be detachably mounted on the heat conducting plate 2 by bolts 3, and a sealing member 4-1 is further provided between the contact surfaces of the protective cover and the heat conducting plate 2. The sealing component 4-1 can be a sealing ring or a sealing gasket or a sealing cotton and the like.
In this embodiment, the protective cover is detachably mounted on the heat conducting plate 2, so that the temperature sensing sticker 1 can be conveniently replaced, for example, the temperature measuring range of the measuring device can be adjusted by replacing the temperature sensing sticker 1 with different temperature threshold ranges, and the use flexibility of the temperature measuring device is greatly improved.
In a second specific embodiment, the temperature sensing material in the temperature measuring device includes at least one fusible alloy 7, and the melting point of each fusible alloy 7 corresponds to different temperature thresholds. The fusible alloy 7 is an alloy having a melting point of less than 232 ℃, is an off-white shiny metal, and is a fusible alloy 7 based on bismuth, and has a melting point range of about 70 ℃ to 160 ℃. The melting point is selected from 47 ℃, 70 ℃, 92 ℃, 120 ℃ and the like, and when the ambient temperature is higher than the temperature of the fusible alloy 7, the fusible alloy 7 is melted from a solid to a liquid.
In fig. 2, a specific embodiment of only providing one fusible alloy 7 is shown, when the operator finds that the fusible alloy 7 is melted, the operator knows that the current environment temperature is higher than the melting point of the fusible alloy 7, and performs corresponding operation, so as to avoid that the environment temperature is too high and affects non-heat-resistant parts of the vehicle.
Fig. 3 shows a specific example having 5 fusible alloys 7, each of which has a different melting point, so that the temperature measuring device approximately divides the temperature into 6 regions, and an operator can know the approximate range of the current environment temperature by observing the states of all the fusible alloys 7, thereby more accurately grasping the environment temperature.
The temperature measuring device in the embodiment can further comprise an alloy bracket 9, each fusible alloy 7 is fixed on the alloy bracket, and the alloy bracket is detachably fixed on the fixed bracket 5. The alloy support 9 may be secured to the tray 6 by means of threaded studs 8. Therefore, after the fusible alloy 7 is melted, a new temperature measuring device can be obtained only by replacing the alloy bracket 9 provided with the fusible alloy 7, the whole device does not need to be replaced, and the use cost can be reduced.
The temperature measuring device in the embodiment further comprises a tray 6, the tray 6 is detachably connected to the fixed support 5 or the alloy support 9 through a support and a bolt, and the tray 6 is located below each fusible alloy 7 and used for storing liquid after the fusible alloy 7 is melted. The liquid after the fusible alloy 7 is melted is dripped into the tray 6, so that the fusible alloy 7 is prevented from dripping into other parts of the vehicle body or the external environment, and the protection of the other parts of the vehicle body and the pollution to the environment are facilitated.
Referring to fig. 4 and 5, in a third embodiment, the temperature measuring device is provided with the temperature sensing sticker 1 and the fusible alloy 7 at the same time, and the manner of installing the temperature sensing sticker 1 and the fusible alloy 7 may be referred to the above description, which is not described one by one herein. Fig. 4 and 5 are different in that the fixing bracket 5 has different mounting structures, one is a mounting hole 5a, and the other is a threaded hole or a bolt hole.
The fixing bracket 5 of the temperature measuring device in each embodiment may be a split structure, and includes a first body 51 and a second body 52 connected by bolts, the first body 51 and the second body 52 enclose a mounting hole 5a fixed in cooperation with a brake pipe of a railway wagon, and the mounting structure is the mounting hole 5 a.
The invention also provides a railway wagon, which comprises a wagon body and any one of the temperature measuring devices, wherein the temperature measuring device is arranged at the wagon body position close to the brake pipe of the brake valve or the bogie rubber part through the mounting structure.
For other configurations of railway wagons, reference is made to the prior art without limitation.
The railway wagon provided by the invention has the technical effects of the temperature measuring device due to the temperature measuring device.
The temperature measuring device and the railway wagon provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The temperature measuring device is characterized by comprising a fixed support, wherein the fixed support is provided with an installation structure and is used for being installed in a temperature measuring environment; the fixing support is further provided with a temperature sensing assembly, the temperature sensing assembly comprises a temperature sensing material, and the temperature sensing material can be configured to form a state corresponding to at least one temperature threshold.
2. The temperature measuring device according to claim 1, wherein the temperature sensing material comprises a temperature sensing sticker provided with at least two display sections corresponding to two temperature thresholds, and when the ambient temperature is higher than an nth temperature threshold, the color of the display section corresponding to the nth temperature threshold changes to a predetermined color.
3. The temperature measuring device of claim 2, further comprising a heat conducting plate fixed to the fixing bracket and a protective cover mounted on the heat conducting plate and forming a sealing cavity therebetween, wherein the temperature sensing sticker is located in the sealing cavity and attached to the surface of the heat conducting plate, and the protective cover is made of a transparent material at least facing the temperature sensing sticker.
4. The temperature measuring device according to claim 3, wherein said protective cover is detachably mounted to a heat conductive plate by means of bolts, and a sealing member is further provided between contact surfaces of said protective cover and said heat conductive plate.
5. The temperature measuring device according to claim 1, wherein the temperature sensing material comprises at least one fusible alloy, and the melting points of the fusible alloys correspond to different temperature thresholds.
6. The temperature measuring device of claim 5, further comprising alloy brackets, each of the fusible alloys being fixed to the alloy brackets, the alloy brackets being detachably fixed to the fixed brackets.
7. The temperature measuring device according to claim 6, further comprising a tray detachably attached to the fixing bracket or the alloy bracket by means of a pillar and a bolt, the tray being located below each of the fusible alloys for storing a liquid after the fusible alloys are melted.
8. The temperature measuring device according to any one of claims 1 to 4, wherein the temperature sensing material further comprises at least one fusible alloy, the number of the fusible alloys is at least one, the melting points of the fusible alloys respectively correspond to different temperature thresholds, and the fusible alloys are detachably connected to the fixing bracket through an alloy bracket.
9. The temperature measuring device according to any one of claims 1 to 8, wherein the fixing bracket is a split structure and comprises a first main body and a second main body which are connected through bolts, the first main body and the second main body enclose a mounting hole which is matched and fixed with a brake pipe of a railway wagon, and the mounting structure is the mounting hole;
alternatively, the mounting structure is a bolt hole or a screw hole.
10. A railway wagon comprising a wagon body, wherein the wagon body further comprises a temperature measuring device as claimed in any one of claims 1 to 9, wherein the temperature measuring device is mounted on the wagon body near a brake pipe of a brake valve or near a truck rubber member through the mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017136.XA CN113701914A (en) | 2021-08-31 | 2021-08-31 | Temperature measuring device and railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017136.XA CN113701914A (en) | 2021-08-31 | 2021-08-31 | Temperature measuring device and railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113701914A true CN113701914A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111017136.XA Pending CN113701914A (en) | 2021-08-31 | 2021-08-31 | Temperature measuring device and railway wagon |
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| Country | Link |
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| CN (1) | CN113701914A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865732A (en) * | 2010-05-07 | 2010-10-20 | 大连理工大学 | On-line bridge measurement system for temperature rise of outlet end of vacuum switch |
| CN102062642A (en) * | 2010-12-16 | 2011-05-18 | 东南大学 | High-precision temperature sensitive probe |
| JP2017161412A (en) * | 2016-03-10 | 2017-09-14 | 東洋インキＳｃホールディングス株式会社 | Temperature-sensitive material and temperature sensor using the same |
| CN209102238U (en) * | 2018-11-30 | 2019-07-12 | 青岛四方庞巴迪铁路运输设备有限公司 | Temperature-sensitive discoloration monitoring device |
| CN210051447U (en) * | 2019-06-10 | 2020-02-11 | 太原市力德实业有限公司 | Wireless temperature measuring device for bearing outer ring of wagon |
-
2021
- 2021-08-31 CN CN202111017136.XA patent/CN113701914A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865732A (en) * | 2010-05-07 | 2010-10-20 | 大连理工大学 | On-line bridge measurement system for temperature rise of outlet end of vacuum switch |
| CN102062642A (en) * | 2010-12-16 | 2011-05-18 | 东南大学 | High-precision temperature sensitive probe |
| JP2017161412A (en) * | 2016-03-10 | 2017-09-14 | 東洋インキＳｃホールディングス株式会社 | Temperature-sensitive material and temperature sensor using the same |
| CN209102238U (en) * | 2018-11-30 | 2019-07-12 | 青岛四方庞巴迪铁路运输设备有限公司 | Temperature-sensitive discoloration monitoring device |
| CN210051447U (en) * | 2019-06-10 | 2020-02-11 | 太原市力德实业有限公司 | Wireless temperature measuring device for bearing outer ring of wagon |
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Application publication date: 20211126 |