CN107219010B - Calorimeter temperature measuring device - Google Patents

Calorimeter temperature measuring device Download PDF

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Publication number
CN107219010B
CN107219010B CN201710515100.1A CN201710515100A CN107219010B CN 107219010 B CN107219010 B CN 107219010B CN 201710515100 A CN201710515100 A CN 201710515100A CN 107219010 B CN107219010 B CN 107219010B
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CN
China
Prior art keywords
temperature sensor
sleeve
temperature
heat meter
measuring device
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Application number
CN201710515100.1A
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Chinese (zh)
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CN107219010A (en
Inventor
朱好仁
马永祥
刘健
胡名诚
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Hangzhou Runpaq Environment Equipment Co ltd
Hangzhou Runpaq Science And Technology Co ltd
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Hangzhou Runpaq Environment Equipment Co ltd
Hangzhou Runpaq Science And Technology Co ltd
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Priority to CN201710515100.1A priority Critical patent/CN107219010B/en
Publication of CN107219010A publication Critical patent/CN107219010A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/16Special arrangements for conducting heat from the object to the sensitive element
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K17/00Measuring quantity of heat
    • G01K17/06Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
    • G01K17/08Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The invention relates to a heat meter temperature measuring device, which comprises a temperature sensor, a temperature sensor sleeve and a water supply and return pipeline, wherein the temperature sensor is arranged in the temperature sensor sleeve and is packaged by a temperature sensor copper head, an opening channel is arranged on the water supply and return pipeline, and the temperature sensor sleeve is fixedly arranged on the opening channel through the shrinkage joint of the temperature sensor; by adopting the scheme, the heat meter temperature measuring device overcomes the defect that a temperature sensor which is easy to occur in heat meter temperature measurement cannot contact a temperature sensor sleeve, and an air gap is formed between the temperature sensor and the temperature sensor sleeve, so that inaccurate temperature measurement is caused, and the measurement accuracy of the whole heat meter is affected; and adopt this scheme can effectively prevent that temperature measuring device from being stolen, construction is simple simultaneously, exempts from to debug, maintenance-free.

Description

Calorimeter temperature measuring device
Technical Field
The invention belongs to the technical field of heat metering, and particularly relates to a heat meter temperature measuring device.
Background
At present, the exacerbation of double crisis of energy and environment forces China to manage various policies of successive delivery aiming at energy consumption metering so as to achieve the final purposes of monitoring, controlling, reducing energy consumption, improving energy utilization efficiency and reducing emission. The energy consumption of the building is about 30-40% of the total energy consumption of the society, and the proportion of air conditioner and heating energy consumption of the building is as high as 60-70%, so the heat metering charging system of the air conditioner and the heating system is greatly promoted, and the effect of reducing the energy consumption of the building is obvious. Calorimeters are a key technology of heat metering systems; the temperature measuring device is a key component of the heat meter, a temperature sensor and a temperature sensor sleeve are installed on a construction site in the past, the temperature sensor sleeve is welded to a water supply and return pipeline, the temperature sensor sleeve is filled with heat-conducting silica gel, and then the temperature sensor is inserted into the temperature sleeve; the construction is very time-consuming, the heat-conducting silica gel is not necessarily full, air is easily formed at the bottom of the temperature sensor sleeve, temperature measurement is affected, the measured temperature is 1-2 degrees different from the actual temperature, the energy measurement is greatly affected, and particularly, the energy measurement error is even more than 50% in a cold and hot energy system with smaller temperature difference of water supply and return, because the temperature sensor is not provided with an anti-theft locking device, the temperature sensor is very easy to steal and is not easy to find.
Disclosure of Invention
The invention designs a heat meter temperature measuring device which solves the problem that the temperature measurement of the conventional heat meter temperature measuring device is inaccurate.
In order to solve the technical problems, the invention adopts the following scheme:
the heat meter temperature measuring device comprises a temperature sensor, a temperature sensor sleeve and a water supply and return pipeline; the temperature sensor is arranged in the temperature sensor sleeve and is packaged through a copper head of the temperature sensor; the water supply and return pipeline is provided with an opening channel, and the temperature sensor sleeve is fixedly arranged on the opening channel through the shrinkage joint of the temperature sensor.
Further, the temperature sensor extension line is also included; the temperature sensor extension line is arranged at the center shaft position of the temperature sensor; one end of the temperature sensor extension line passes through the bottom of the temperature sensor, and the other end of the temperature sensor extension line passes through the copper head of the temperature sensor and extends outwards.
Further, the temperature sensor and the copper head of the temperature sensor are integrally formed or welded.
Further, a sleeve nut is arranged on the temperature sensor sleeve; the copper head of the temperature sensor is connected with the sleeve nut through threads.
Further, the device also comprises a fixing bolt; the fixing bolt passes through the sleeve nut from the side to fasten the temperature sensor.
Further, a strip-shaped groove is formed in the side edge of the copper head of the temperature sensor, and a screw hole is formed in the side edge of the sleeve nut; the fixing bolt passes through the screw hole and is clamped in the strip-shaped groove so as to fasten the temperature sensor.
Further, an annular groove is formed in the side edge of the sleeve nut in the circumferential direction; the screw holes are arranged in the annular grooves, and the fixing bolts penetrate through the screw holes and are encapsulated by lead seals 5.
Further, the annular groove is 4mm to 6mm wide and 3mm to 5mm deep.
Further, the length L1 of the temperature sensor sleeve assembly is 25mm-500mm; the length L2 of the temperature sensor assembly is 25mm-500mm.
The heat meter temperature measuring device has the following beneficial effects:
by adopting the scheme, the heat meter temperature measuring device overcomes the defect that a temperature sensor which is easy to occur in heat meter temperature measurement cannot contact a temperature sensor sleeve, and an air gap is formed between the temperature sensor and the temperature sensor sleeve, so that inaccurate temperature measurement is caused, and the measurement accuracy of the whole heat meter is affected; and adopt this scheme can effectively prevent that temperature measuring device from being stolen, construction is simple simultaneously, exempts from to debug, maintenance-free.
Drawings
Fig. 1: the invention relates to a heat meter temperature measuring device structure schematic diagram;
fig. 2: the invention relates to a structural schematic diagram of a sleeve structure of a temperature sensor in a heat meter temperature measuring device;
fig. 3: the invention discloses a temperature sensor assembly structure schematic diagram in a heat meter temperature measuring device.
Reference numerals illustrate:
1-a temperature sensor; 2-a copper head of a temperature sensor; 3-a temperature sensor sleeve; 4-fixing bolts; 5-lead sealing; 6, shrink-connection of the temperature sensor; 7, an extension line of a temperature sensor; 8-a water supply and return pipeline; 9-sleeve nut.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
fig. 1 to 3 show a heat meter temperature measuring device comprising a temperature sensor 1, a temperature sensor sleeve 3 and a water supply and return pipe 8; the temperature sensor 1 is arranged in the temperature sensor sleeve 3 and is packaged through the temperature sensor copper head 2, namely the temperature sensor sleeve 3 is sleeved at the outer end of the temperature sensor 1 and is packaged and fastened through the temperature sensor copper head 2; the water supply and return pipeline 8 is provided with an opening channel, the temperature sensor sleeve 3 is fixedly arranged on the opening channel through the temperature sensor shrinkage joint 6, and the temperature sensor sleeve 3 extends into the water supply and return pipeline 8, so that the temperature sensor 1 can detect the temperature of water a in the water supply and return pipeline 8, and further energy is measured.
Preferably, in combination with the above scheme, as shown in fig. 1 and fig. 3, the heat meter temperature measurement device provided by the invention further comprises a temperature sensor extension line 7; the temperature sensor extension line 7 is arranged at the center axis position of the temperature sensor 1; and, one end of the temperature sensor extension 7 passes through the bottom of the temperature sensor 1, and the other end thereof passes through the temperature sensor copper head 2 to extend outward.
Preferably, in combination with the above scheme, in this implementation, the temperature sensor 1 and the temperature sensor copper head 2 are formed by integrally forming or welding, so that the integrated design of the temperature sensor and the temperature sensor copper head can be effectively ensured, the structure is firmer, and the temperature sensor copper head is not easy to be stolen.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 3, in this embodiment, the temperature sensor sleeve 3 is provided with a sleeve nut 9, and the sleeve nut 9 is a 12mm nut, and is provided with threads therein; the temperature sensor 1 and the temperature sensor copper head 2 are integrally formed, and the temperature sensor copper head 2 is a 12mm screw, so that the temperature sensor copper head 2 and the sleeve nut 9 can be connected through threads, the outer bottom of the temperature sensor 1 is tightly contacted with the inner bottom of the temperature sensor sleeve 3 without forming a gap, even if deviation caused by manufacturing reasons can be compensated by screwing the temperature sensor copper head 2, the bottom of the temperature sensor is ensured to extend to the bottom of the temperature sensor sleeve, and the detection precision is improved.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 3, the heat meter temperature measuring device provided by the invention further comprises a fixing bolt 4; the fixing bolt 4 is a phi 3 fixing bolt, and the fixing bolt 4 penetrates through the sleeve nut 9 from the side edge to fasten the temperature sensor 1, so that the copper head 2 of the temperature sensor is prevented from loosening.
Preferably, in combination with the above-mentioned scheme, as shown in fig. 1 to 3, in this embodiment, a strip-shaped groove is formed on the side edge of the temperature sensor copper head 2 along the axial direction of the temperature sensor, so that the adjustment of the distance between the outer bottom of the temperature sensor 1 and the temperature sensor sleeve 3 is not affected in the longitudinal direction of the temperature sensor copper head 2; screw holes are formed in the side edges of the sleeve nuts 9; the fixing bolt 4 passes through the screw hole and is fixed in the strip-shaped groove, so that the copper head 2 of the temperature sensor is limited, and the temperature sensor 1 is fastened; the strip-shaped groove axially designed along the temperature sensor 1 can also ensure that the gap between the outer bottom of the temperature sensor 1 and the inner bottom of the temperature sensor sleeve 3 is compensated by screwing the temperature sensor copper head 2.
Preferably, in combination with the above-mentioned solution, as shown in fig. 1 to 3, in this embodiment, an annular groove is provided on a side edge of the collet nut in a circumferential direction; the screw hole is arranged in the annular groove, namely, the screw hole penetrates through the temperature sensor sleeve 3 in the annular groove, so that the design mainly considers that the lead seal 5 can be used for packaging after the fixing bolt penetrates through the screw hole, so that the lead seal 5 is prevented from being stolen, and if the fixing bolt 4 is loosened, the lead seal 5 is required to be damaged, so that the purpose of damage prevention is achieved; further, the annular groove is typically 4mm to 6mm wide and 3mm to 5mm deep; in this example, an annular groove 5mm wide and 4mm deep was used.
Preferably, in combination with the above, as shown in fig. 1 to 3, in the present embodiment, the length L1 of the temperature sensor sleeve assembly is generally 25mm to 500mm; the length L2 of the temperature sensor assembly is generally 25mm-500mm; typically ensuring that L1 is equal to L2; any value in the period, L1 and L2 are commonly used in four types of 58mm, 70mm, 110mm and 210 mm; if a gap exists, the gap can be adjusted through the sleeve nut and the copper head of the temperature sensor.
By adopting the scheme, the heat meter temperature measuring device overcomes the defect that a temperature sensor which is easy to occur in heat meter temperature measurement cannot contact a temperature sensor sleeve, and an air gap is formed between the temperature sensor and the temperature sensor sleeve, so that inaccurate temperature measurement is caused, and the measurement accuracy of the whole heat meter is affected; and adopt this scheme can effectively prevent that temperature measuring device from being stolen, construction is simple simultaneously, exempts from to debug, maintenance-free.
The invention has been described above by way of example with reference to the accompanying drawings, it is clear that the implementation of the invention is not limited to the above-described manner, but it is within the scope of the invention to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted or without any improvement.

Claims (6)

1. The heat meter temperature measuring device is characterized by comprising a temperature sensor, a temperature sensor sleeve and a water supply and return pipeline; the temperature sensor is arranged in the temperature sensor sleeve and is packaged through a temperature sensor copper head; the temperature sensor and the temperature sensor copper head are integrally formed; an opening channel is arranged on the water supply and return pipeline, and the temperature sensor sleeve is fixedly arranged on the opening channel through shrinkage joint of the temperature sensor, so that the temperature sensor sleeve extends into the water supply and return pipeline, and the temperature sensor can detect the temperature of water in the water supply and return pipeline; the temperature sensor extension line is also included; the temperature sensor extension line is arranged at the center shaft position of the temperature sensor; one end of the temperature sensor extension line passes through the bottom of the temperature sensor, and the other end of the temperature sensor extension line passes through the copper head of the temperature sensor and extends outwards; a sleeve nut is arranged on the temperature sensor sleeve; the temperature sensor copper head is in threaded connection with the sleeve nut, so that the outer bottom of the temperature sensor is in close contact with the inner bottom of the temperature sensor sleeve.
2. The heat meter temperature measurement device of claim 1, further comprising a fixing bolt; the fixing bolt passes through the sleeve nut from the side to fasten the temperature sensor.
3. The heat meter temperature measuring device according to claim 2, wherein the copper head side of the temperature sensor is provided with a strip-shaped groove, and the sleeve nut side is provided with a screw hole; the fixing bolt passes through the screw hole and is clamped in the strip-shaped groove so as to fasten the temperature sensor.
4. A heat meter temperature measuring device according to claim 3, wherein the side edges of the quill nut are provided with annular grooves in the circumferential direction; the screw holes are formed in the annular grooves, and the fixing bolts penetrate through the screw holes and are encapsulated by lead seals (5).
5. The heat meter temperature measurement of claim 4, wherein the annular groove is 4mm to 6mm wide and 3mm to 5mm deep.
6. The heat meter temperature measurement device of claim 1, wherein the temperature sensor sleeve assembly length L1 is 25mm-500mm; the length L2 of the temperature sensor assembly is 25mm-500mm.
CN201710515100.1A 2017-06-29 2017-06-29 Calorimeter temperature measuring device Active CN107219010B (en)

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Application Number Priority Date Filing Date Title
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CN107219010B true CN107219010B (en) 2024-04-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109175277A (en) * 2018-09-13 2019-01-11 浙江万丰奥威汽轮股份有限公司 A kind of the installation of TC technology

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