CN210426803U - Temperature measuring device for water heater energy efficiency test - Google Patents
Temperature measuring device for water heater energy efficiency test Download PDFInfo
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- CN210426803U CN210426803U CN201921450432.7U CN201921450432U CN210426803U CN 210426803 U CN210426803 U CN 210426803U CN 201921450432 U CN201921450432 U CN 201921450432U CN 210426803 U CN210426803 U CN 210426803U
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Abstract
The utility model discloses a temperature measuring device for water heater efficiency test, including fixing device, probe, thermocouple and spring, the thermocouple cover is located in the hollow probe, and the welding of this thermocouple temperature measurement end has brass piece, and the probe cover is located in the hollow fixing device that left side aperture is less than the right side aperture, and the fixing device outside is close to brass piece one side is equipped with first fixed part and second fixed part in proper order; a spring baffle is arranged on the probe close to the small aperture end of the fixing device, and the spring baffle is positioned in the large aperture of the fixing device; one end of the spring is connected with the spring baffle, the other end of the spring is connected with the spring pressing plate, and the spring pressing plate is sleeved on the probe and is fixed on the fixing device through the locking device. The utility model ensures the contact pressure between the probe and the measuring surface by arranging the spring baffle, the spring pressing plate and the locking device, thereby improving the measuring accuracy and effectiveness; the thermocouple sleeve is arranged in the probe, the probe is arranged in the fixing device in a sleeved mode, the length of the probe is convenient to adjust, temperature measurement of different depths can be handled, and the probe is convenient to maintain.
Description
Technical Field
The utility model relates to a temperature detection technical field specifically is a temperature measuring device for water heater efficiency test.
Background
The water heater is a device which can increase the temperature of cold water into hot water in a certain time by various physical principles.
China is one of the largest domestic appliance producing and consuming countries worldwide. The rapid increase in the amount of household appliances in possession has brought about a huge energy consumption, and at the same time, has also aggravated the pollution to the environment. Energy efficiency of energy consumption products is improved by formulating and implementing energy efficiency standards and popularizing energy efficiency identification systems in all countries in the world, energy-saving technical progress is promoted, and then harmful substance emission is reduced and the environment is protected.
Recent research results show that new energy efficiency standards and energy identifiers are established and effectively implemented, the energy efficiency level of products and the energy-saving consciousness of consumers are improved, 277.5TWh is saved in 2020, and about 1.29 million tons of standard coal is saved in energy. The electricity saving amount of the two is equal to 56% of the total predicted electricity consumption of urban and rural residents in China in 2020, that is, the expected increase of the electricity consumption of urban and rural residents in China in 20 years in the future can be reduced by nearly 85% by formulating and popularizing the energy efficiency standard and implementing the energy efficiency identification. By 2020, the implementation of energy efficiency standards and labels will reduce the carbon emissions by 1.10 hundred million and more tons in total; the reduction of nitrogen oxides can reach more than 170 ten thousand tons; the sulfur oxide reduction amount reaches 1833 ten thousand tons; atmospheric particulate reduction will be as much as 1035 ten thousand tons. The obvious reduction of the emission of the atmospheric pollutants can greatly relieve the environmental problems of greenhouse effect, photochemical smog, acid rain and the like, and has no light effect on improving the environmental quality and the quality of life of people.
Therefore, energy conservation and emission reduction become the trend of the times, and the energy efficiency requirements of various merchants on water heaters are higher and higher. The accuracy of energy efficiency tests of enterprises and laboratories directly influences the benefits of consumers, but the existing temperature measuring method for the energy efficiency tests of the water heater has certain problems which are mainly focused on whether the temperature of the liner is accurate or not, at present, the method used in the industry is to punch a proper hole capable of entering fingers on the shell of the water heater, remove heat insulation materials in the hole and fix a thermocouple on the surface of the liner through an aluminum foil adhesive tape or heat conduction adhesive, and the mode has several defects, firstly, the punched hole is convenient for distribution operation by hands, and a larger hole is usually needed to be punched, so that the original heat insulation performance of the water heater is inevitably influenced, and the accuracy of test results is influenced; on the other hand, if the thermocouple is fixed by using the aluminum foil tape, the measured temperature and the actual temperature can generate more or less deviation because the aluminum foil tape cannot provide enough contact pressure for the thermocouple, and the accuracy of the test result can be influenced; on the other hand, if the thermocouple is fixed by using the heat-conducting glue, the thermocouple needs to be destructively removed after the test is finished, so that the maintenance cost is increased, and the working efficiency is reduced. In addition, patent document No. CN207439559U discloses a spring temperature measurement probe, which includes a spring, a flat head tube, an inner ring, and a temperature measurement chip, wherein the flat head tube is provided with a contact end and a control end, a contact block is fixedly arranged on an outer wall of the contact end, an outer diameter of the contact block is larger than an outer diameter of the flat head tube, the flat head tube is sleeved with the inner ring, the inner ring slides along an axial direction of the flat head tube, the spring is arranged between the inner ring and the contact block, and the temperature measurement chip is arranged inside the contact block. The utility model discloses a spring temperature probe is equipped with spring, flat head pipe, inner ring and temperature measurement chip through the increase for spring temperature probe and surperficial unevenness also can fully contact by the measured medium, and then increase the accuracy of temperature measurement, also make spring temperature probe and measured medium surface contact buffering occasionally, thereby do not damage spring temperature probe when portable temperature measurement. However, the probe is not applied to temperature measurement of energy efficiency test, and the reason is that during testing, in order to avoid destroying the original heat insulation effect as much as possible, the diameter of a hole of a heat insulation layer is ensured to be slightly smaller than that of the probe during punching, the heat insulation material is ensured to wrap the probe well, and the influence of gaps on the original heat insulation performance is avoided; meanwhile, the thickness of the heat insulation layer is greatly different at different water heaters or different positions of the same water heater, however, the length of the probe cannot be adjusted at will, and inconvenience is brought to the test.
Disclosure of Invention
The utility model aims to provide a temperature measuring device for water heater energy efficiency test, which solves the problems of the prior temperature measuring device for water heater energy efficiency test that the length of a probe is not adjustable and the adaptability is poor; the wrapping performance of the heat-insulating layer on the spring influences the normal use of the spring, so that the temperature measurement is inaccurate; the traditional method has the defects that the original heat insulation performance of the water heater is influenced greatly by punching; the thermocouple is fixed by the heat-conducting glue, so that the thermocouple can be damaged during dismantling, the maintenance cost is increased, and the working efficiency is reduced; the technical problem that the accuracy of measurement is difficult to ensure by using an aluminum foil tape to fix the thermocouple is solved.
In order to achieve the above object, the utility model provides a following technical scheme:
the temperature measuring device for the energy efficiency test of the water heater comprises a fixing device, a probe, a thermocouple and a spring, and is characterized in that the thermocouple is sleeved in the hollow probe, a brass sheet is welded at the temperature measuring end of the thermocouple, the probe is sleeved in the hollow fixing device, the left side aperture of the fixing device is smaller than the right side aperture of the fixing device, and a first fixing part and a second fixing part are sequentially arranged on one side, close to the brass sheet, of the outer side of the fixing device; a spring baffle is arranged on the probe close to the small-aperture end of the fixing device, and the spring baffle is positioned in the large aperture of the fixing device; one end of the spring is connected with the spring baffle, the other end of the spring is connected with a spring pressing plate, and the spring pressing plate is sleeved on the probe and is fixed on the fixing device through a locking device.
Furthermore, the first fixing part is of a threaded structure, the second fixing part is of a nut structure, and the diameter of the threads of the first fixing part is smaller than that of the nuts of the second fixing part.
Furthermore, the spring baffle and the probe are of an integrated structure.
Furthermore, one end of the spring pressing plate for fixing the probe is designed to be an annular structure, the probe is sleeved with the annular structure, the other end of the spring pressing plate is designed to be a screw rod structure, and the screw rod structure is in threaded connection with the locking device.
Further, the locking device is a spring nut.
Further, the probe may be self-contained with a spring-backed sheathed thermocouple probe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can adjust the contact pressure of the probe by arranging the spring baffle, the spring pressing plate and the locking device, thereby improving the accuracy of the measured value; the thermocouple sleeve is arranged in the probe, and the probe is sleeved in the fixing device, so that the length of the probe is convenient to adjust, and the probe is not easy to damage and easy to maintain; the device is simple to operate, simplifies the point distribution process and improves the working efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a temperature measuring device for a water heater energy efficiency test.
FIG. 2 is a side view of a temperature measurement device for water heater energy efficiency testing.
Fig. 3 is a sectional view a-a of fig. 2.
The device comprises a fixing device 1, a probe 2, a thermocouple 3, a brass sheet 4, a spring 5, a spring pressing plate 6, a locking device 7, a first fixing part 8, a second fixing part 9 and a spring baffle 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the temperature measuring device for the energy efficiency test of the water heater comprises a fixing device 1, a probe 2, a thermocouple 3 and a spring 5, and is characterized in that the thermocouple 3 is sleeved in the hollow probe 2, in order to reduce the maintenance cost, an armored probe with a thermocouple embedded in is not used, only the thermocouple in the probe needs to be maintained during maintenance, a brass sheet 4 for measuring temperature is welded at the temperature measuring end of the thermocouple 3, the probe 2 is sleeved in the hollow fixing device 1 with the left side aperture smaller than the right side aperture, the probe 2 can arbitrarily adjust the telescopic length according to the requirement of the test depth, the adaptability is strong, and a first fixing part 8 and a second fixing part 9 are sequentially arranged on one side, close to the brass sheet 4, of the outer side of the fixing device 1; a spring baffle 10 is arranged on the probe 2 close to the small aperture end of the fixing device 1, and the spring baffle 10 is positioned in the large aperture end of the fixing device 1; one end of the spring 5 is connected with the spring baffle 10, the other end of the spring is connected with a spring pressing plate 6, and the spring pressing plate 6 is sleeved on the probe 2 and is fixed on the fixing device 1 through a locking device 7.
Further, the first fixing portion 8 is a screw structure, the second fixing portion 9 is a nut structure, and the screw diameter of the first fixing portion 8 is smaller than the nut diameter of the second fixing portion 9, and the nut structure is provided on the second fixing portion 9 to facilitate screwing the screw structure of the first fixing portion 8 into the housing by using a tool.
Furthermore, the spring baffle 10 and the probe 2 are of an integrated structure, so that the spring baffle 10 can well cooperate with the spring pressing plate 6 to provide pressure for the probe.
Furthermore, one end of the spring pressing plate 6, which is used for fixing the probe 2, is set to be an annular structure, the probe 2 is sleeved with the annular structure, the other end of the spring pressing plate is set to be a screw rod structure, the screw rod structure is in threaded connection with the locking device 7, the spring pressing plate 6 is fastened on the fixing device 1, a nut of the locking device 7 is screwed into a screw rod of the spring pressing plate 6 to tightly press the spring pressing plate 6, and then the spring 5 is pressed, so that pressure is provided for the probe 2, and the contact pressure of the temperature measurement contact point of the thermocouple 3 can be adjusted.
Furthermore, the locking device 7 is a spring nut, and can play a good role in fixing the spring pressing plate 6.
Further, the probe 2 may also be a self-contained sheathed thermocouple probe with a spring-loaded guard. Is firm and durable.
Furthermore, the probe 2 is made of a non-metal material, the non-metal material is not heat-conducting, and heat of the inner container can not be brought to the external environment through the probe, so that heat exchange can not be carried out between the inner container and the external environment, the original heat insulation performance of the water heater can not be influenced, and the accuracy of a measuring result is ensured.
The utility model discloses a theory of operation is: use the diameter to punch on the shell of water heater with the drill bit that 2 diameters of probe are equivalent, the hole is deep to the inner bag, then use the hole digger trompil equivalent with 8 diameters of first fixed part, ensure that first fixed part 8 can the screw in on the shell of water heater, fix this device, hole before with is the centre of a circle, continue the trompil, do not destroy the heat preservation as far as possible during the trompil, with probe 2 patchhole, use the spanner or bare-handed prefabricated hole of the shell with 8 screw in water heaters of first fixed part of this device, fix this device on the water heater shell, the position of probe 2 has been adjusted according to the demand of test depth, then adjustment spring clamp 6 guarantees that probe 2 has sufficient contact pressure, lock spring clamp 6 with locking device 7 at last, temperature measuring device arranges the completion.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:
the utility model can adjust the contact pressure of the probe by arranging the spring baffle, the spring pressing plate and the locking device, thereby improving the accuracy of the measured value; the thermocouple sleeve is arranged in the probe, and the probe is sleeved in the fixing device, so that the length of the probe is convenient to adjust, and the probe is not easy to damage and easy to maintain; the device is simple to operate, simplifies the point distribution process and improves the working efficiency.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only described in the preferred embodiments of the present invention, which are not limited to the concept and scope of the present invention, and various changes and modifications made by the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The temperature measuring device for the energy efficiency test of the water heater comprises a fixing device, a probe, a thermocouple and a spring, and is characterized in that the thermocouple is sleeved in the hollow probe, a brass sheet is welded at the temperature measuring end of the thermocouple, the probe is sleeved in the hollow fixing device, the left side aperture of the fixing device is smaller than the right side aperture of the fixing device, and a first fixing part and a second fixing part are sequentially arranged on one side, close to the brass sheet, of the outer side of the fixing device; a spring baffle is arranged on the probe close to the small-aperture end of the fixing device, and the spring baffle is positioned in the large aperture of the fixing device; one end of the spring is connected with the spring baffle, the other end of the spring is connected with a spring pressing plate, and the spring pressing plate is sleeved on the probe and is fixed on the fixing device through a locking device.
2. The temperature measuring device for the energy efficiency test of the water heater according to claim 1, wherein the first fixing part is of a threaded structure, the second fixing part is of a nut structure, and the threaded diameter of the first fixing part is smaller than the nut diameter of the second fixing part.
3. The temperature measuring device for the energy efficiency test of the water heater according to claim 1, wherein the spring baffle and the probe are of an integrated structure.
4. The temperature measuring device for the energy efficiency test of the water heater according to claim 1, wherein one end of the spring pressing plate for fixing the probe is arranged to be an annular structure, the annular structure is sleeved on the probe, the other end of the spring pressing plate is arranged to be a screw rod structure, and the screw rod structure is in threaded connection with the locking device.
5. The temperature measuring device for the energy efficiency test of the water heater according to claim 2, wherein the locking device is a spring nut.
6. The temperature measuring device for the energy efficiency test of the water heater according to claim 1, wherein the probe is also an armored thermocouple probe with a spring baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450432.7U CN210426803U (en) | 2019-09-03 | 2019-09-03 | Temperature measuring device for water heater energy efficiency test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450432.7U CN210426803U (en) | 2019-09-03 | 2019-09-03 | Temperature measuring device for water heater energy efficiency test |
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| Publication Number | Publication Date |
|---|---|
| CN210426803U true CN210426803U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921450432.7U Active CN210426803U (en) | 2019-09-03 | 2019-09-03 | Temperature measuring device for water heater energy efficiency test |
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| CN (1) | CN210426803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214225A (en) * | 2023-11-09 | 2023-12-12 | 中国科学院合肥物质科学研究院 | Long-pulse high-power millimeter wave transmitter heat removal performance testing device |
-
2019
- 2019-09-03 CN CN201921450432.7U patent/CN210426803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214225A (en) * | 2023-11-09 | 2023-12-12 | 中国科学院合肥物质科学研究院 | Long-pulse high-power millimeter wave transmitter heat removal performance testing device |
| CN117214225B (en) * | 2023-11-09 | 2024-02-09 | 中国科学院合肥物质科学研究院 | Long-pulse high-power millimeter wave transmitter heat removal performance testing device |
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