CN203758652U

CN203758652U - Ultrasonic heat meter

Info

Publication number: CN203758652U
Application number: CN201320881161.7U
Authority: CN
Inventors: 唐广勇; 刘丽璋; 薛永敏
Original assignee: TIANJIN JINFENG TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: TIANJIN JINFENG TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2013-12-24
Filing date: 2013-12-24
Publication date: 2014-08-06
Anticipated expiration: 2023-12-24

Abstract

The utility model relates to the technical field of cellphone parts, especially an ultrasonic heat meter. The heater meter comprises a meter body, reflecting sheets, and energy converters disposed in the meter body. Two sides of the inner wall of the meter body are respectively provided with a limiting groove in an axial manner. Supporting plates are inserted into the limiting grooves. The supporting plates are fixedly provided with supporting columns which are used for placing the reflecting sheets. The supporting columns are corresponding to the energy converter. The heater meter provided by the utility model is simple in structure. Before installation, the reflecting sheets are fixed on the supporting plates through a mode of welding or riveting. At this moment, the positions of the reflecting sheets are precisely fixed. Because the interior of the meter body is provided with the limiting grooves and the sizes of the limiting grooves are the same as the sizes of the supporting plates, the supporting plates just need to be inserted into the limiting grooves. When the supporting plates are completely inserted into the limiting grooves till the top of the limiting grooves, a nut is screwed up, and the peripheries of the supporting plates are completely fixed. The installation is convenient and quick, and the positions can be precisely fixed, thereby improving the efficiency of production and the quality of products.

Description

Ultrasonic calorimeter

Technical field

The utility model relates to thermal energy consumption measuring apparatus field, relates in particular to a kind of ultrasonic calorimeter.

Background technology

Traditional flowmeter or heat energy meter mechanical vane type or the rotary wind types of adopting more, be directly proportional to flow according to the number of turns of wheel rotation, counter is by gathering the number of turns calculated flow rate of wheel rotation, but there is mechanical wear in the rotation of impeller, therefore traditional mechanical flowmeter or heat energy meter exist serviceable life short, the defects such as complex structure, especially because can causing to measure, the reasons such as damage in impeller reduce, in addition, because fluid exists in the situation that contains impurity, mechanical flowmeter or heat energy meter exist serviceable life short, the defects such as complex structure, especially because the reasons such as damage in impeller cause measuring accuracy low, in addition, because liquid exists in the situation that contains impurity, mechanical flowmeter or heat energy meter usually can therefore be subject to stop up etc. have a strong impact on, bring loss to user.Therefore gradually adopt ultrasonic calorimeter to replace.Existing ultrasonic calorimeter is mainly made up of table body, transducer, reflector plate support, reflector plate support is fixed on table body inside, two ends, reflector plate support left and right are provided with reflector plate, and ultrasonic transducer is received by another one transducer to reflector plate surface after reflection by transmitting ultrasound wave.General reflection mode mainly adopts the mode of stent support reflector plate to carry out reflection measurement at present, reflector plate support takes up room larger in water body, pipeline flow is produced to certain influence, make actual flow not reach pipe design requirement, the distortion that the material of support produces under long-term higher temperature also easily causes measurement inaccurate, in addition, stent-type is larger to pipeline crushing, affects the serviceable life of calorimeter.

Prior art discloses a kind of ultrasonic calorimeter, comprise table body, reflector plate and be arranged on the transducer in table body, described table body inwall is provided with sedimentation hole, and described sedimentation hole is corresponding with described transducer, and the support column for placing reflector plate is installed on sedimentation hole.Support column and sedimentation hole are tightened to one, because support column cross-sectional area is little, thus less to the obstruction of hot-fluid, the accuracy of guarantee flow measurement.This kind of structure found in practice is installed, the more difficult processing of sedimentation hole, process time is long, and when support column is arranged in sedimentation hole, the reflector plate on support column, owing to being all manually support column to be riveted in sedimentation hole, causes the very difficult reflector plate aliging accurately on two support columns, deviation a bit a little, this ultrasonic calorimeter is just defective, causes in production the qualification rate of product lower, affects the quality of product.

Utility model content

The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of ultrasonic calorimeter is provided, and is convenient to install the position of two reflector plates that can align accurately.

The utility model for achieving the above object, by the following technical solutions: a kind of ultrasonic calorimeter, it is characterized in that: comprise table body, reflector plate and be arranged on the transducer in table body, described table body inwall is axially arranged with stopper slot on both sides, described stopper slot extends to the external end of table, in described stopper slot, be plugged with back up pad, be fixed with the support column for placing described reflector plate in described back up pad, described support column is corresponding with described transducer.

Preferably, the two ends of described table body are provided with the nut of fastening described back up pad, and this nut is fixed on back up pad on table body.

Preferably, described reflector plate is 45° angle and is arranged on support column, and the reflecting surface of two reflector plates is to correspondence, and the line of centres of reflecting surface is coaxial with pipe hole center line.

The beneficial effects of the utility model are: the utility model is simple in structure, before installation, by the mode of welding or riveting, reflector plate is fixed in back up pad, now, the position of reflector plate is fixing accurately, because table body inside has had the stopper slot that size is identical with back up pad, only back up pad need be inserted in stopper slot, in the time that being inserted into stopper slot top completely, back up pad uses again nut screwing clamping, the surrounding of back up pad is just all fixed, it is convenient to install, position can be fixed accurately, has improved production efficiency and product quality.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of back up pad in the utility model;

Fig. 3 is side view of the present utility model;

In figure: 1, table body; 2, reflector plate; 3, transducer; 4, stopper slot; 5, back up pad; 6, support column; 7, nut.

Embodiment

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in Figure 1, a kind of ultrasonic calorimeter, comprise table body 1, reflector plate 2 and be arranged on the transducer 3 of table in body, described table body inwall is axially arranged with stopper slot 4 on both sides, described stopper slot extends to the external end of table, the width of stopper slot is slightly larger than the thickness of back up pad, back up pad coordinates closely with stopper slot, the length of stopper slot is identical with the length of stopper slot, in described stopper slot, be plugged with back up pad 5, in described back up pad, be fixed with the support column 6 for placing described reflector plate, described support column is corresponding with described transducer, in the time that back up pad is inserted in stopper slot, reflector plate on support column be positioned at transducer under, the position of support column in back up pad, can measure accurately installation man-hour adding.

In the utility model, to move in stopper slot in order to limit back up pad, the two ends of described table body are provided with the nut 7 of fastening described back up pad, and this nut is fixed on back up pad on table body.Described reflector plate is 45° angle and is arranged on support column, and the reflecting surface of two reflector plates is to correspondence, and the line of centres of reflecting surface is coaxial with pipe hole center line.Produce and launch ultrasound wave along water (flow) direction at the ultrasonic transducer of inlet segment setting, produce and launch ultrasound wave along the contrary direction of current at the ultrasonic transducer of water exit end setting, two ultrasonic transducers receive by reflector plate the ultrasonic signal that the other side launches mutually, and convert thereof into electric signal and deliver in integraph and process, according to ultrasound wave fluid flow in, the ultrasonic velocity of stream will be faster than the ultrasonic velocity flowing against the current downstream, calculate water velocity according to velocity contrast, water velocity is multiplied by sectional area and is multiplied by the flow that draws the table body of flowing through after correction factor again.

The utility model is simple in structure, before installation, by the mode of welding or riveting, reflector plate is fixed in back up pad, now, the position of reflector plate is fixing accurately, because table body inside has had the stopper slot that size is identical with back up pad, only back up pad need be inserted in stopper slot, in the time that back up pad is inserted into stopper slot top completely, use nut screwing clamping, the surrounding of back up pad is just all fixed again, and it is convenient to install, position can be fixed accurately, has improved production efficiency and product quality.

The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a ultrasonic calorimeter, it is characterized in that: comprise table body, reflector plate and be arranged on the transducer in table body, described table body inwall is axially arranged with stopper slot on both sides, described stopper slot extends to the external end of table, in described stopper slot, be plugged with back up pad, in described back up pad, be fixed with the support column for placing described reflector plate, described support column is corresponding with described transducer.

2. ultrasonic calorimeter according to claim 1, is characterized in that: the two ends of described table body are provided with the nut of fastening described back up pad, and this nut is fixed on back up pad on table body.

3. ultrasonic calorimeter according to claim 2, is characterized in that: described reflector plate is 45° angle and is arranged on support column, and the reflecting surface of two reflector plates is to correspondence, and the line of centres of reflecting surface is coaxial with pipe hole center line.