CN207689047U - The cold-resistant heat safe LCR Series ultrasonics heat of one kind, cold meter - Google Patents

Abstract

The utility model discloses the cold-resistant heat safe LCR Series ultrasonics heat of one kind, cold meters, including sensor holder set by the dial plate of the gauge stand, gauge stand upper end institute Matching installation set by measurement pipe, measurement pipe upper end, measurement pipe lower end, the temperature sensor I of matched blackout on sensor holder, the measurement seat set by measurement pipe lower end, the temperature sensor II that the ultrasonic probe of Matching installation is connected with conducting wire on dial plate in measurement seat；Outer barrel, inner cylinder and sealing ring in measurement pipe form the heat-insulation chamber of vacuum, this measuring point for making to significantly reduce scale and extraneous rate of heat exchange so that scale internal flow is not influenced by external high temperature temperature factor, keeps the measurement of scale more accurate；The cartridge seal structure of measurement pipe makes the fluid in pipe be reduced with extraneous heat exchange, and when ambient temperature is relatively low, tube fluid avoids temperature caused by carrying out heat exchange with the external world from being lower, and has preferable cold tolerance.

Description

The cold-resistant heat safe LCR Series ultrasonics heat of one kind, cold meter

Technical field

The utility model is related to ultrasonic scaling technique field, specially a kind of cold-resistant heat safe LCR Series ultrasonics are hot, cold Scale.

Background technology

Ultrasonic heat, cold meter by the method for ultrasonic wave measure flow and display water flow through heat-exchange system discharge or Absorb the instrument of thermal energy.The flow of the physical quantity that it is measured by two kinds of sensors --- heat carrier and the temperature of inlet and outlet, Using the compensation of density and heat containing value and integral and calculating, calorie value can be just obtained.It is one kind with microprocessor and high-precision Electromechanical integrated product based on sensor.With the construction industry family gauge table that has generally used in the past --- water meter, ammeter, Gas meter is compared, and has more complicated design and higher technology content.Ultrasonic calorimeter is a kind of comprising machinery, electronics and letter The high-tech product of breath technology, temperature measurement accuracy is high, and service life is long, not only measurable heat, but also measurable cold, also can be cold Heat measures simultaneously, obtains successful application in many fields at present, but it there are still following during actual use Drawback：

1. the measurement main body of scale is tubular structure, the inside and outside of this pipe does not have heat insulating function, when ambient temperature is excessively high When, the fluid in pipe can carry out heat exchange by tube wall with extraneous air cause to survey to make the temperature of tube fluid increase The temperature of the fluid of amount is disturbed, measures inaccurate；

2. of scale itself does not have tolerance to cold, when ambient temperature is too low, fluid in pipe can by tube wall with it is outer Boundary's air carries out heat exchange, to make the temperature of tube fluid reduce, and then can freeze so that and ultrasonic measurement environment changes, So that measurement result is fail result, cause scale that can not work on.

Utility model content

The purpose of this utility model is to provide the cold-resistant heat safe LCR Series ultrasonics heat of one kind, cold meters, in solution State the problem of being proposed in background technology.

To achieve the above object, the utility model provides the following technical solutions：The cold-resistant heat safe LCR Series ultrasonics of one kind Heat, cold meter, including the gauge stand set by measurement pipe, measurement pipe upper end, the dial plate of gauge stand upper end institute Matching installation, measurement pipe lower end The temperature sensor I of matched blackout on set sensor holder, sensor holder, it the measurement seat set by measurement pipe lower end, surveys The temperature sensor II that the ultrasonic probe of Matching installation is connected with conducting wire on dial plate in amount seat, the measurement pipe is by outer barrel It is formed with the tube structure that inner cylinder is constituted, and the both ends of outer barrel and inner cylinder are arranged with sealing ring, the sealing Circle is equipped with pumping pin hole, and the inner cylinder is internally provided with measurement pipeline, the outer barrel, inner cylinder and the sealing ring at both ends A heat-insulation chamber is constituted, the sensor holder is made of the outer seat I being located on outer barrel with the inner seat I being located on inner cylinder, institute Outer seat I is stated equipped with positioning screw hole I, it is equal that the inner seat I is equipped with positioning screw hole II, the positioning screw hole I and positioning screw hole II Match installation with seal cartridge I, and Matching installation has temperature sensor I in seal cartridge I, the measurement seat is by being located at outer barrel Outer seat II on body is constituted with the inner seat II being located on inner cylinder, and the outer seat II is equipped with positioning screw hole II, the inner seat II Match with seal cartridge II dark installation equipped with positioning screw hole IV, the positioning screw hole III and positioning screw hole IV, it is described close Matching installation has ultrasonic probe in envelope bushing II.

Preferably, the outer barrel, inner cylinder are concentric cylindrical tubular structure.

Preferably, the both ends of the outer barrel and inner cylinder are arranged with circular locating slot, and locating slot and sealing Enclose the installation that matches.

Preferably, the outer seat I, inner seat I, outer seat II and inner seat II are cylindrical boss structure.

Preferably, the seal cartridge I and seal cartridge II are cylindrical tubular structure, and the outer circle of seal cartridge I It is equipped with the sealing pipe screw thread to match respectively with positioning screw hole I, positioning screw hole II, the outer circle of the seal cartridge II is equipped with The sealing pipe screw thread to match respectively with positioning screw hole III, positioning screw hole IV.

Preferably, the heat-insulation chamber is vacuum cavity structure.

Compared with prior art, the utility model has the beneficial effects that：The utility model structure setting is reasonable, functional By force, it has the following advantages：

1. the main body of measurement pipe be made of outer barrel and the tubular structure that inner cylinder is constituted, and outer barrel in and inner cylinder two End is arranged with sealing ring, and outer barrel, inner cylinder and sealing ring form the heat-insulation chamber of vacuum, this makes to significantly reduce scale Measuring point and extraneous rate of heat exchange so that scale internal flow is not influenced by external high temperature temperature factor, makes the survey of scale Amount is more accurate；

2. the cartridge seal structure of measurement pipe makes the fluid in pipe be reduced with extraneous heat exchange, when ambient temperature is relatively low When, tube fluid avoids temperature caused by carrying out heat exchange with the external world from being lower, and has preferable cold tolerance；

3. the making of the outer barrel and inner drum of measurement pipe is extremely simple, the sealing ring at measurement pipe both ends is equipped with pumping needle Hole extracts the air in heat-insulation chamber out to form the vacuum cavity with good heat insulating function by being evacuated pin hole, whole process behaviour Make simple.

Description of the drawings

Fig. 1 is the utility model structural front view；

Fig. 2 is the utility model structure axis side view；

Fig. 3 is cross-sectional view at A-A in Fig. 2；

Fig. 4 is partial structurtes enlarged diagram at B in Fig. 3；

Fig. 5 is partial structurtes enlarged diagram at C in Fig. 3.

In figure：1 measurement pipe, 2 gauge stands, 3 dial plates, 4 sensor holders, 5 temperature sensor I, 6 measure seat, 7 ultrasonic probes, 8 Temperature sensor II, 101 outer barreies, 102 inner cylinders, 103 sealing rings, 104 measure pipelines, 105 pumping pin holes, 106 heat-insulation chambers, 401 outer I, 402 positioning screw hole I, 403 inner seat I, 404 positioning screw hole II, 405 seal cartridge I, 601 outer II, 602 positioning spiral shells Hole III, 603 inner seat II, 604 positioning screw hole IV, 605 seal cartridge II.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：The cold-resistant heat safe LCR Series ultrasonics heat of one kind, Cold meter, including the gauge stand 2 set by measurement pipe 1,1 upper end of measurement pipe, the dial plate 3 of 2 upper end institute Matching installation of gauge stand, measurement pipe 1 The temperature sensor I 5 of matched blackout on sensor holder 4, sensor holder 4 set by lower end, set by 1 lower end of measurement pipe It measures seat 6, measure the temperature sensor II 8 that the ultrasonic probe 7 of Matching installation in seat 6 is connected with conducting wire on dial plate, herein Temperature sensor I 5 is chosen as WZPK-131 type temperature sensors, and measurement pipe 1 is made of outer barrel 101 and inner cylinder 102 Tube structure forms, and outer barrel 101 and the both ends of inner cylinder 102 are arranged with sealing ring 103, and sealing ring 103 is equipped with Be evacuated pin hole 105, inner cylinder 102 be internally provided with measure pipeline 104, outer barrel 101, inner cylinder 102 and both ends sealing ring 103 constitute a heat-insulation chamber 106, the air in entire heat-insulation chamber 106 can be extracted out to form vacuum cavity by being evacuated pin hole 105 Structure so that the whole cylinder of measurement pipe 1 has good heat-insulating capability, and sensor holder 4 is by the outer seat that is located on outer barrel 101 I 401 and the inner seat I 403 being located on inner cylinder 102 are constituted, and outer seat I 401 is equipped with positioning screw hole I 402, inner seat I 403 Match with seal cartridge I 405 peace equipped with positioning screw hole II 404, positioning screw hole I 402 and positioning screw hole II 404 Dress, and Matching installation has temperature sensor I 5, this structure of sensor holder 4 both to can guarantee whole in seal cartridge I 405 The installation that temperature sensor I 5 can be well on by the leakproofness of a heat-insulation chamber 106 again measures seat 6 by being located on outer barrel 101 Outer seat II 601 and the inner seat II 603 that is located on inner cylinder 102 constitute, outer seat II 601 is equipped with positioning screw hole II 602, Inner seat II 603 be equipped with positioning screw hole IV 604, positioning screw hole III 602 and positioning screw hole IV 604 with seal cartridge II 605 match dark installation, and Matching installation has ultrasonic probe 7 in seal cartridge II 605, and this structure for measuring seat 6 both ensured The leakproofness of heat-insulation chamber 106 has an installation that ultrasonic probe 7 can be well on.

Further, outer barrel 101, inner cylinder 102 are concentric cylindrical tubular structure, and this structure facilitates processing It makes, and installs fairly simple.

Further, the both ends of outer barrel 101 and inner cylinder 102 are arranged with circular locating slot, and locating slot with Sealing ring 103 matches installation, this structure make sealing ring 103 outer barrel 101 Yu 102 both ends of inner cylinder location and installation more It is accurate.

Further, outer seat I 401, inner seat I 403, outer seat II 601 and inner seat II 603 are cylindrical boss knot Structure, this structure facilitate sensor holder 4, measure seat 6 and the outer barrel 101 in measurement pipe 1, the integrated molding system of inner cylinder 102 Make.

Further, seal cartridge I 405 and seal cartridge II 605 are cylindrical tubular structure, and seal cartridge I 405 outer circle is equipped with the sealing pipe screw thread to match respectively with positioning screw hole I 402, positioning screw hole II 404, seal cartridge The outer circle of II 605 is equipped with the sealing pipe screw thread to match respectively with positioning screw hole III 602, positioning screw hole IV 604, this Pipe screw thread fit structure makes entire sensor holder 4 have preferable leakproofness with seat 6 is measured.

Further, heat-insulation chamber 106 is vacuum cavity structure so that entire measurement pipe 1 has preferable heat-proof quality.

Operation principle：Outer barrel 101, inner cylinder 102 in measurement pipe 1 are constituted with the symmetrically arranged sealing ring 103 in both ends Heat-insulation chamber 106 can be extracted out the air in entire heat-insulation chamber 106 to form vacuum cavity structure so that survey by being evacuated pin hole 105 The whole cylinder of buret 1 have good heat-insulating capability, and the outer circle of seal cartridge I 405 be equipped with respectively with positioning screw hole I 402, this structure of the sealing pipe screw thread that positioning screw hole II 404 matches, sensor holder 4 both can guarantee entire heat-insulation chamber 106 The installation that temperature sensor I 5 can be well on again of leakproofness, the outer circle of seal cartridge II 605 be equipped with respectively with it is fixed The sealing pipe screw thread that position screw hole II I 602, positioning screw hole IV 604 match, measure seat 6 this structure both ensure that it is heat-insulated The leakproofness of chamber 106 has the installation that ultrasonic probe 7 can be well on.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. the cold-resistant heat safe LCR Series ultrasonics heat of one kind, cold meter, including measurement pipe（1）, measurement pipe（1）Set by upper end Gauge stand（2）, gauge stand（2）The dial plate of upper end institute Matching installation（3）, measurement pipe（1）Sensor holder set by lower end（4）, sensor Seat（4）The temperature sensor I of upper matched blackout（5）, measurement pipe（1）Measurement seat set by lower end（6）, measure seat（6）It is interior The ultrasonic probe of Matching installation（7）The temperature sensor II being connected with conducting wire on dial plate（8）, it is characterised in that：The survey Buret（1）By outer barrel（101）With inner cylinder（102）The tube structure composition constituted, and outer barrel（101）With inner cylinder （102）Both ends be arranged with sealing ring（103）, the sealing ring（103）It is equipped with pumping pin hole（105）, the inner cylinder Body（102）Be internally provided with measurement pipeline（104）, the outer barrel（101）, inner cylinder（102）With the sealing ring at both ends（103） Constitute a heat-insulation chamber（106）, the sensor holder（4）By being located at outer barrel（101）On outer seat I（401）Be located at inner cylinder Body（102）On inner seat I（403）It constitutes, the outer seat I（401）It is equipped with positioning screw hole I（402）, the inner seat I（403）On Equipped with positioning screw hole II（404）, the positioning screw hole I（402）With positioning screw hole II（404）With seal cartridge I（405）Phase With installation, and seal cartridge I（405）Interior Matching installation has temperature sensor I（5）, the measurement seat（6）By being located at outer barrel （101）On outer seat II（601）Be located at inner cylinder（102）On inner seat II（603）It constitutes, the outer seat II（601）On set There is positioning screw hole III（602）, the inner seat II（603）It is equipped with positioning screw hole IV（604）, the positioning screw hole III（602） With positioning screw hole IV（604）With seal cartridge II（605）Match dark installation, the seal cartridge II（605）Interior matching peace Equipped with ultrasonic probe（7）.

2. a kind of cold-resistant heat safe LCR Series ultrasonics heat according to claim 1, cold meter, it is characterised in that：It is described Outer barrel（101）, inner cylinder（102）It is concentric cylindrical tubular structure.

3. a kind of cold-resistant heat safe LCR Series ultrasonics heat according to claim 1, cold meter, it is characterised in that：It is described Outer barrel（101）With inner cylinder（102）Both ends be arranged with circular locating slot, and locating slot and sealing ring（103）Phase Matching installation.

4. a kind of cold-resistant heat safe LCR Series ultrasonics heat according to claim 1, cold meter, it is characterised in that：It is described Outer seat I（401）, inner seat I（403）, outer seat II（601）With inner seat II（603）It is cylindrical boss structure.

5. a kind of cold-resistant heat safe LCR Series ultrasonics heat according to claim 1, cold meter, it is characterised in that：It is described Seal cartridge I（405）With seal cartridge II（605）It is cylindrical tubular structure, and seal cartridge I（405）Outer circle on set Have respectively with positioning screw hole I（402）, positioning screw hole II（404）The sealing pipe screw thread to match, the seal cartridge II（605） Outer circle be equipped with respectively with positioning screw hole III（602）, positioning screw hole IV（604）The sealing pipe screw thread to match.

6. a kind of cold-resistant heat safe LCR Series ultrasonics heat according to claim 1, cold meter, it is characterised in that：It is described Heat-insulation chamber（106）For vacuum cavity structure.