CN205001869U - Underground heat supply pipeline expansion joint equipment - Google Patents

Underground heat supply pipeline expansion joint equipment Download PDF

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Publication number
CN205001869U
CN205001869U CN201520788850.2U CN201520788850U CN205001869U CN 205001869 U CN205001869 U CN 205001869U CN 201520788850 U CN201520788850 U CN 201520788850U CN 205001869 U CN205001869 U CN 205001869U
Authority
CN
China
Prior art keywords
expansion joint
copper pipe
temperature sensor
shaped copper
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520788850.2U
Other languages
Chinese (zh)
Inventor
杜京义
呼霄鹏
赵月姣
高端
李松松
周艳玲
蔡驰
赵国欣
殷聪
王立春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Science and Technology
Original Assignee
Xian University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian University of Science and Technology filed Critical Xian University of Science and Technology
Priority to CN201520788850.2U priority Critical patent/CN205001869U/en
Application granted granted Critical
Publication of CN205001869U publication Critical patent/CN205001869U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an underground heat supply pipeline expansion joint equipment, including a temperature sensor, the 2nd temperature sensor, the 3rd temperature sensor, U type copper pipe, wherein three temperature sensor for the rubber fixed loop fix in U type copper pipe the one side near the expansion joint to seal three temperature sensor at U type copper with the rubber stopper intraductally, temperature sensor lead wire is drawn forth through the rubber stopper, whole for the detection device stationary blade fix on the expansion joint, bury whole detection device with soil at last. The utility model relates to a simply, the construction of easily installing, be convenient for, can in time detect the leakage of heat supply pipeline, guarantee the normal operating of heat supply pipeline, extension detecting system's life.

Description

A kind of underground heating pipe expansion joint leak detecting device
Technical field
The utility model belongs to heat supply pipeline leak detection technology field, is specifically related to a kind of underground heating pipe expansion joint leak detecting device.
Background technique
District heat supply network is that central heat supply thermal source is to user's conveying and the pipeline system distributing heating medium.In pipeline connection procedure, the appearance of systematic error is can hardly be avoided, and expansion joint is as compensation compensate for alignment error preferably, but the effect of expansion joint owing to being expanded with heat and contract with cold, be the position easily occurring in heat supply network to leak.Once leakage will cause large-area for heat leak.Previous Discussion on Pipe Leakage Detection Technology comprises and judges to leak with flow equilibrium method monitoring pipe head and the difference in flow of outlet end; By judging whether in tube circumference setting pressure transmitter image data to leak.Flow equilibrium method can monitor out comparatively Small leak, but comparatively slow for reacting of leaking, and needs to install flowmeter at the two ends of every segment pipe, only relies on data on flows can not position leakage point simultaneously.Pressure transmitter monitoring leakage is that the pressure absolute value collected by pressure transducer converts current signal to, again current signal is converted to voltage signal at receiving terminal to receive, the pressure signal that pressure transmitter collects only accounts for very little ratio, so be difficult to precise monitoring for the pressure variety that output value is less in Full-span output value.Therefore, nowadays lack that a kind of structure is simple, cost is low, reasonable in design, underground heating network expansion joint leakage situation can be detected fast, and leak data is wirelessly transmitted to the underground heating pipe expansion joint leakage monitoring system of ground monitoring room.
Model utility content
The purpose of this utility model is to provide a kind of underground heating pipe expansion joint leak detecting device, and its structure is simple, simple operation, and be convenient to install, application is strong, is convenient to promote the use of.
The technical solution adopted in the utility model is: a kind of underground heating pipe expansion joint leak detecting device, comprise expansion joint (1), it is characterized in that: also comprise the first temperature transducer (2), second temperature transducer (3), three-temperature sensor (4), U-shaped copper pipe (7), wherein three temperature transducer rubber retaining rings (9) are fixed on the side near expansion joint (1) in U-shaped copper pipe (7), and with rubber stopper (6), three temperature transducers are sealed in U-shaped copper pipe (7), temperature sensor wires (5) is drawn by rubber stopper (6), whole detection device fixed plate (8) is fixed on expansion joint (1), soil (10) is finally used to be buried by whole detection device.
Three temperature transducers are uniform in U-shaped copper pipe (7), first temperature transducer (2) and three-temperature sensor (4) are arranged vertically on U-shaped copper pipe (7) upper end, and the second temperature transducer (3) horizontal arrangement is in U-shaped copper pipe (7) bottom.
Rubber stopper rod (6-2) in rubber stopper (6) is for sealing U-shaped copper pipe (7) two ends, rubber stopper emits (6-1), and leakage is put in atmosphere, and rubber consent (6-3) is used for fixing three temperature sensor wires (5).
Rubber annular distance (9-1) in rubber retaining ring (9) fixes the sensing head of three temperature transducers.
Advantage of the present utility model:
1, the utility model is mainly made up of three temperature transducers, rubber stopper, U-shaped copper pipe, fixed plate, retaining ring, to be fixed on by temperature transducer in U-tube and to be fixed on expansion joint by U-tube, compact structure, is easy to operation, is convenient to be applied to reality.
2, design of the present utility model can protect temperature transducer well, reduces measurement error and extends working life of temperature transducer, thus avoids excavation maintenance of frequently starting building to greatest extent.
3, U-shaped copper pipe good thermal conduction used in the utility model and corrosion-resistant, can be embedded among soil for a long time, temperature transducer be sealed in U-shaped copper pipe by corrosion-resistant rubber stopper, protects temperature transducer well.
4, data are preserved by data storage cell by the utility model, treat subsequent analysis reference, use solar powered, clean environment firendly, efficiently solve the problems such as underground heating network expansion joint leak data collection is slow, location is difficult, expensive.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2-1 is the front view of rubber stopper.
Fig. 2-2 is plan views of rubber stopper.
Fig. 3 is the plan view of retaining ring.
Description of reference numerals:
1-expansion joint; 2-first temperature transducer; 3-second temperature transducer; 4-three-temperature sensor; 5-temperature sensor wires; 6-rubber stopper; 7-U type copper pipe; 8-fixed plate; 9-retaining ring, 10-soil.
Embodiment
Below in conjunction with accompanying drawing, the utility model content is described in detail.
As shown in Figure 1, the utility model underground heating pipe expansion joint leak detecting device is made up of the first temperature transducer (2), the second temperature transducer (3), three-temperature sensor (4), rubber stopper (6), U-shaped copper pipe (7), fixed plate (8) and retaining ring (9).Three temperature transducer rubber retaining rings (9) are fixed in U-shaped copper pipe (7), and the two ends of U-shaped copper pipe are sealed with corrosion-resistant rubber stopper (6), prevent moisture or other harmful matters from entering copper pipe and unnecessary damage is caused to temperature transducer, then U-shaped copper pipe (7) stainless steel fixed plate (8) is fixed on expansion joint (1), finally uses soil (10) leak detecting device and expansion joint (1) to be buried.
The material of described expansion joint (1) is stainless steel, and its size and pipe thickness are determined according to actual conditions; DS18B20 selected by three temperature transducers, and wherein temperature sensor wires (5) is the transmission line picked out from temperature transducer, for connecting temperature transducer and microprocessor; Rubber stopper (6), for sealing the two ends of U-shaped copper pipe, can extend the working life of temperature transducer DS18B20 greatly in such space closed; U-shaped copper pipe (7) heat-conducting property is splendid and corrosion-resistant, and for fixed temperature sensor, the temperature be convenient to around by expansion joint passes to temperature transducer, avoids temperature transducer to be directly embedded in soil simultaneously.
Three temperature transducers adopt imported with original packaging DS18B20 temperature sensor chip, high-quality Stainless Steel Tube encapsulation waterproof, protection against the tide, the anti-stainless steel tap (6*50mm) that gets rusty, lead-in wire 100cm.Each probe is through strict test, and 3.0V ~ 5.5V powers, 9 ~ 12 controlled resolutions, and measuring tempeature scope is-55 DEG C to+125 DEG C.
Corrosion-resistant rubber stopper (6) mainly closes the two ends of U-shaped copper pipe, avoids external factors to impact measurement result; The diameter of U-shaped copper pipe (7) is 20mm, and the heat-conducting property of copper is fabulous, is easy to delivered heat, and the corrosion resistance of copper is fine simultaneously, can be embedded in underground activities for a long time and corrode hardly.
Fixed plate (8) is stainless steel thin slice, for U-tube is fixed on expansion joint, is convenient to install and can not be subjected to displacement side-play amount because of working long hours; The material of described retaining ring (9) is rubber, for being fixed in copper pipe by the probe of temperature transducer, avoids temperature transducer to rock in copper pipe, is fixedly avoided by temperature transducer it to misplace when mounted simultaneously.
As shown in Fig. 2-1,2-2, the rubber stopper rod (6-2) in rubber stopper (6) is for sealing U-shaped copper pipe (7) two ends, and rubber stopper emits (6-1), and leakage is put in atmosphere; Rubber consent (6-3) is used for fixing temperature sensor wires (5).
As shown in Figure 3, rubber annular distance (9-1) in rubber retaining ring (9) is used to the sensing head of fixed temperature sensor, three temperature transducer DS18B20 are fixed on the side of copper pipe near expansion joint (1), temperature transducer is avoided to rock in U-shaped copper pipe, also dislocation can prevent temperature transducer head from misplacing in installation process, if will bring error to Leak testtion simultaneously.
Underground heating pipe expansion joint leak detecting device mounting type: three temperature transducer DS18B20 rubbers retaining ring (9) are fixed on the side near expansion joint (1) in U-shaped copper pipe (7), temperature sensor wires (5) is drawn by rubber stopper (6), and with rubber stopper (6), temperature transducer is sealed in U-shaped copper pipe (7), whole device stainless steel thin slice fixed plate (8) installed is fixed on expansion joint (1), soil (10) is finally used to be buried by mounted detection device, so far detecting portion installation.
The above; it is only better enforcement example of the present utility model; not the utility model is imposed any restrictions; everyly implement any simple modification that example does, change and equivalent structure change according to the utility model technical spirit to above, all belong to the protection domain of technical solutions of the utility model.

Claims (4)

1. a underground heating pipe expansion joint leak detecting device, comprise expansion joint (1), it is characterized in that: also comprise the first temperature transducer (2), second temperature transducer (3), three-temperature sensor (4), U-shaped copper pipe (7), wherein three temperature transducer rubber retaining rings (9) are fixed on the side near expansion joint (1) in U-shaped copper pipe (7), and with rubber stopper (6), three temperature transducers are sealed in U-shaped copper pipe (7), temperature sensor wires (5) is drawn by rubber stopper (6), whole detection device fixed plate (8) is fixed on expansion joint (1), soil (10) is finally used to be buried by whole detection device.
2. a kind of underground heating pipe expansion joint leak detecting device as claimed in claim 1, it is characterized in that: three temperature transducers are uniform in U-shaped copper pipe (7), first temperature transducer (2) and three-temperature sensor (4) are arranged vertically on U-shaped copper pipe (7) upper end, and the second temperature transducer (3) horizontal arrangement is in U-shaped copper pipe (7) bottom.
3. a kind of underground heating pipe expansion joint leak detecting device as claimed in claim 1, it is characterized in that: the rubber stopper rod (6-2) in rubber stopper (6) is for sealing U-shaped copper pipe (7) two ends, rubber stopper emits (6-1), and leakage is put in atmosphere, and rubber consent (6-3) is used for fixing three temperature sensor wires (5).
4. a kind of underground heating pipe expansion joint leak detecting device as claimed in claim 1, is characterized in that: the rubber annular distance (9-1) in rubber retaining ring (9) fixes the sensing head of three temperature transducers.
CN201520788850.2U 2015-10-12 2015-10-12 Underground heat supply pipeline expansion joint equipment Expired - Fee Related CN205001869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520788850.2U CN205001869U (en) 2015-10-12 2015-10-12 Underground heat supply pipeline expansion joint equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520788850.2U CN205001869U (en) 2015-10-12 2015-10-12 Underground heat supply pipeline expansion joint equipment

Publications (1)

Publication Number Publication Date
CN205001869U true CN205001869U (en) 2016-01-27

Family

ID=55158755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520788850.2U Expired - Fee Related CN205001869U (en) 2015-10-12 2015-10-12 Underground heat supply pipeline expansion joint equipment

Country Status (1)

Country Link
CN (1) CN205001869U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889761A (en) * 2016-04-25 2016-08-24 朱德仲 Expansion coefficient detector for natural gas pipeline
CN106287237A (en) * 2016-08-05 2017-01-04 洛阳双瑞特种装备有限公司 The quantitative testing device revealed for external pressure expansion joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105889761A (en) * 2016-04-25 2016-08-24 朱德仲 Expansion coefficient detector for natural gas pipeline
CN106287237A (en) * 2016-08-05 2017-01-04 洛阳双瑞特种装备有限公司 The quantitative testing device revealed for external pressure expansion joint
CN106287237B (en) * 2016-08-05 2018-07-06 洛阳双瑞特种装备有限公司 For the quantitative testing device of external pressure expansion joint leakage

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160127

Termination date: 20161012