CN212645935U

CN212645935U - Heat energy meter calibrating installation

Info

Publication number: CN212645935U
Application number: CN202021902772.1U
Authority: CN
Inventors: 杨世燕; 吕柏庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-03-02
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a heat energy meter calibrating installation, including the examination case, the inside of examination case is equipped with verification components and insulation assembly, verification components is including flow sensor and pairing temperature sensor, flow sensor all erects through the pipeline with pairing temperature sensor on the inner wall of examination case, flow sensor's one end is run through the casing of examination case extends to the outside, insulation assembly is including the heat recovery box, the heat recovery box is fixed in on the one end casing of examination case, the inner chamber of heat recovery box with the inner chamber of examination case is linked together, be fixed with the draught fan on the bottom inner wall of heat recovery box, one side of draught fan is equipped with a plurality of heating copper pipes, every the both ends of heating copper pipe all are fixed in on the inner wall of examination case. The utility model discloses a cooperation of examination subassembly and heat preservation subassembly to supplementary calibrating installation lost heat when examining and determine the low discharge examination point, improvement calibrating installation's examination precision.

Description

Heat energy meter calibrating installation

Technical Field

The utility model mainly relates to a calibrating installation's technical field, concretely relates to heat energy meter calibrating installation.

Background

The heat meter is an instrument for calculating heat quantity, and at present, the known heat meter is composed of a flow sensor, a matched temperature sensor and the like.

According to a calorimeter calibrating device provided by CN201020235872.3, the calorimeter calibrating device comprises a hot water flow standard system, a paired temperature sensor calibrating system and a calculator calibrating system, wherein the hot water flow standard system independently calibrates a flow sensor of a calorimeter, the paired temperature sensor calibrating system independently calibrates a paired temperature sensor of the calorimeter, and the calculator calibrating system independently calibrates a calculator of the calorimeter, and the calorimeter calibrating device can calibrate the flow sensor, the temperature sensor and the calculator respectively and independently, can perform component combination calibration, can also perform total quantity calibration, can meet the requirements of relevant standards, and can perform type calibration, mandatory initial calibration and production calibration of the calorimeter.

However, the existing calibrating apparatus has some disadvantages, for example, although the calibrating apparatus has the advantage of performing the calibration individually, the calibrating apparatus is often in a room temperature environment for performing the calibration, so that the calibrating apparatus is prone to heat loss when calibrating a small-flow calibration point, which affects the result.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a heat energy meter calibrating installation is used for solving the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a heat energy meter calibrating device comprises a calibrating box, a calibrating component and a heat-insulating component are arranged in the calibrating box, the verification component comprises a flow sensor and a matched temperature sensor, the flow sensor and the matched temperature sensor are both erected on the inner wall of the verification box through pipelines, the flow sensor and the matched temperature sensor are connected with each other through a pipeline, one end of the flow sensor penetrates through the shell of the verification box and extends to the outside, the heat preservation component comprises a heat recovery box, the heat recovery box is fixed on a shell at one end of the verification box far away from the verification component, the inner cavity of the heat recovery box is communicated with the inner cavity of the detection box, an induced draft fan is fixed on the inner wall of the bottom end of the heat recovery box, one side of draught fan is equipped with a plurality of heating copper pipes, every the both ends of heating copper pipe all are fixed in on the inner wall of examination case.

Furthermore, the upper end and the lower end of one side of the heat regeneration box, which is close to the detection box, are respectively provided with a first opening and a second opening, and the heat regeneration box is communicated with the inner cavity of the detection box through the first opening and the second opening.

Furthermore, the induced draft fan is fixed on the inner wall of the second opening through bolts, and the relative height of one end, close to the heating copper pipe, of the induced draft fan is larger than the relative height of one end, far away from the heating copper pipe.

Further, the heating copper pipe is kept away from the one end of draught fan is equipped with the water conservancy diversion frame, the lateral wall of water conservancy diversion frame is fixed in on the box inner wall of examination case, from top to bottom is connected with a plurality of water conservancy diversion pieces through the pivot rotation in the framework of water conservancy diversion frame.

Furthermore, one end of each of the guide vanes is connected with the drag chain through a bolt.

Furthermore, the one end that the water conservancy diversion piece was kept away from to the drag chain is fixed in through the fixed pin on the inner wall of water conservancy diversion frame, the one end bottom sliding connection that the water conservancy diversion piece was kept away from to the drag chain has the leading wheel, the leading wheel through the pivot with the top inner wall of water conservancy diversion frame rotates to be connected.

Furthermore, a limiting block is arranged vertically above the guide wheel and fixed on the inner wall of the frame body of the flow guide frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can supply calibrating installation when examining and determine the small flow detection point, the heat of loss, thereby improve calibrating installation's examination precision, cooperation through examination subassembly and heat preservation subassembly, make and open the draught fan among the heat preservation subassembly after, utilize the draught fan guide to heat the produced hot-air of copper pipe and blow to the water conservancy diversion frame, the produced hot-air of heating copper pipe of guiding again blows to flow sensor and pairs temperature sensor, the heat that loses when supplementing flow sensor and pairing temperature sensor inspection small flow detection point, and because the inner chamber of heat recovery box and examination case is linked together, thereby the hot-air that will examine and determine the case and be heated and rise is attracted by the draught fan of heat recovery box opening part again through the heat recovery box, constitute thermal cycle.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the verification box of the present invention;

FIG. 3 is a schematic structural view of the heat recovery box of the present invention;

fig. 4 is a schematic structural view of the flow guiding frame of the present invention.

In the figure: 1. a verification box; 2. a verification component; 21. a flow sensor; 22. pairing the temperature sensors; 3. a heat preservation assembly; 31. an induced draft fan; 32. heating the copper pipe; 33. a flow guide frame; 331. a flow deflector; 332. a drag chain; 333. a guide wheel; 334. a limiting block; 34. a heat recovery box; 341. a first opening; 342. a second opening.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to the attached drawings 1-4, a heat energy meter calibrating device comprises a calibrating box 1, a calibrating component 2 and a heat-insulating component 3 are arranged in the calibrating box 1, the calibrating component 2 comprises a flow sensor 21 and a matched temperature sensor 22, the flow sensor 21 and the matched temperature sensor 22 are erected on the inner wall of the calibrating box 1 through pipelines, the flow sensor 21 and the matched temperature sensor 22 are connected with each other through a pipeline, one end of the flow sensor 21 penetrates through a shell of the calibrating box 1 and extends to the outside, the heat-insulating component 3 comprises a heat-returning box 34, the heat-returning box 34 is fixed on the shell of one end of the calibrating box 1 far away from the calibrating component 2, the inner cavity of the heat-returning box 34 is communicated with the inner cavity of the calibrating box 1, and a draught fan 31 is fixed on the inner wall of the bottom end of the heat-returning box 34, one side of draught fan 31 is equipped with a plurality of heating copper pipes 32, every the both ends of heating copper pipe 32 all are fixed in on the inner wall of examination case 1.

In an embodiment, referring to fig. 3, the upper and lower ends of the heat recovery box 34 close to one side of the verification box 1 are respectively provided with a first opening 341 and a second opening 342, the heat recovery box 34 is communicated with the inner cavity of the verification box 1 through the first opening 341 and the second opening 342, so that the heat recovery box 34 is communicated with the inner cavity at the top end of the verification box 1 through the first opening 341 formed thereon, and the heated and raised hot air in the verification box 1 flows into the heat recovery box through the first opening 341 formed on the heat recovery box 34, and the second opening 342 is opposite to the side wall of the verification box 1, so that the hot air in the heat recovery box 34 is guided to flow into the bottom end of the verification box 1 again from the inner cavity thereof.

In the embodiment, please refer to fig. 3 again, the induced draft fan 31 is fixed on the inner wall of the second opening 342 through bolts, the relative height of one end of the induced draft fan 31 close to the heating copper pipe 32 is greater than the relative height of one end of the induced draft fan far away from the heating copper pipe 32, so that the air outlet of the induced draft fan 31 faces the bottom end of the verification box 1, the hot air flowing back to the verification box 1 is heated again and rises to flow into the heat recovery box 34, and the temperature inside the verification box 1 is uniform.

In an embodiment, please refer to fig. 3 and 4 again, the heating copper tube 32 is far away from one end of the induced draft fan 31 is provided with a diversion frame 33, the side wall of the diversion frame 33 is fixed on the inner wall of the box body of the verification box 1, a plurality of diversion sheets 331 are connected to the frame body of the diversion frame 33 from top to bottom through a rotating shaft in a rotating manner, so that the diversion frame 33 guides hot air generated by the heating copper tube 32 to blow to the flow sensor 21 and the paired temperature sensor 22 by utilizing the diversion sheets 331 which are connected in a rotating manner.

In an embodiment, referring to fig. 4, one end of each of the guide vanes 331 is connected to the traction chain 332 through a bolt, one end of the traction chain 332, which is far away from the guide vane 331, is fixed to the inner wall of the guide frame 33 through a fixing pin, the bottom of one end of the traction chain 332, which is far away from the guide vane 331, is slidably connected to the guide wheel 333, and the guide wheel 333 is rotatably connected to the inner wall of the top end of the guide frame 33 through a rotating shaft, so that when a worker pulls the traction chain 332, the traction chain 332 continuously slides through the guide wheel 333 rotatably connected to the inner wall of the guide frame 33, so as to drive the guide vane 331 to perform angular displacement, adjust the direction in which the hot air is guided by the guide vane 331, and then fix the traction chain 332 through the.

In an embodiment, please refer to fig. 4 again, a limit block 334 is disposed vertically above the guide wheel 333, and the limit block 334 is fixed on the inner wall of the frame body of the guide frame 33, so that the limit block 334 on the inner wall of the guide frame 33 blocks the drag chain 332, thereby preventing the drag chain 332 from being separated from the guide wheel 333 and affecting the adjustment of the angle of the guide vane 331 by the drag chain 332.

The utility model discloses a concrete operation as follows:

when the verification device is used, a worker starts the induced draft fan 31 in the heat insulation assembly 3, because the position of the induced draft fan 31 is opposite to the heating copper pipe 32 in the verification box 1, the induced draft fan 31 is used for guiding hot air generated by heating the copper pipe 32 to blow towards the flow guide frame 33, the hot air generated by heating the copper pipe 32 is guided to blow towards the flow sensor 21 and the matched temperature sensor 22 after passing through the flow guide sheet 331 which is rotatably connected on the flow guide frame 33, the heat which is lost when the flow sensor 21 and the matched temperature sensor 22 check a small flow detection point is supplemented, meanwhile, the heat recovery box 34 is communicated with the inner cavity at the top end of the verification box 1 through the first opening 341 which is formed on the heat recovery box 34, so that the hot air heated and raised in the verification box 1 flows into the heat recovery box 1 through the first opening 341 which is formed on the heat recovery box 34, and because the second opening 342 is opposite to the side wall of the verification box 1, the hot air in the heat recovery box 34 is guided to, and the heat is guided by the induced draft fan 31 again to form heat circulation.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The heat energy meter calibrating device is characterized by comprising a calibrating box (1), a calibrating component (2) and a heat-insulating component (3) are arranged in the calibrating box (1), the calibrating component (2) comprises a flow sensor (21) and a pairing temperature sensor (22), the flow sensor (21) and the pairing temperature sensor (22) are erected on the inner wall of the calibrating box (1) through pipelines, the flow sensor (21) and the pairing temperature sensor (22) are connected with each other through pipelines, and one end of the flow sensor (21) penetrates through a shell of the calibrating box (1) and extends to the outside;

heat preservation subassembly (3) are including heat recovery box (34), heat recovery box (34) are fixed in examination case (1) is kept away from on the one end casing of examination subassembly (2), the inner chamber of heat recovery box (34) with the inner chamber of examination case (1) is linked together, be fixed with draught fan (31) on the bottom inner wall of heat recovery box (34), one side of draught fan (31) is equipped with a plurality of heating copper pipes (32), every the both ends of heating copper pipe (32) all are fixed in on the inner wall of examination case (1).

2. The thermal energy meter calibrating device according to claim 1, wherein the upper end and the lower end of the heat recovery box (34) near one side of the calibrating box (1) are respectively provided with a first opening (341) and a second opening (342), and the heat recovery box (34) is communicated with the inner cavity of the calibrating box (1) through the first opening (341) and the second opening (342).

3. The thermal energy meter calibrating device according to claim 2, wherein the induced draft fan (31) is fixed on the inner wall of the second opening (342) through bolts, and the relative height of one end of the induced draft fan (31) close to the heating copper pipe (32) is greater than the relative height of one end of the induced draft fan far away from the heating copper pipe (32).

4. The heat energy meter calibrating device according to claim 1, wherein one end of the heating copper pipe (32) far away from the induced draft fan (31) is provided with a flow guide frame (33), the side wall of the flow guide frame (33) is fixed on the inner wall of the box body of the calibrating box (1), and a plurality of flow guide sheets (331) are rotatably connected in the frame body of the flow guide frame (33) from top to bottom through a rotating shaft.

5. A thermal energy meter calibrating device according to claim 4, wherein one end of each of the plurality of guide vanes (331) is connected to the drag chain (332) by means of a bolt.

6. The thermal energy meter calibrating device according to claim 5, wherein one end of the drag chain (332), which is far away from the deflector (331), is fixed on the inner wall of the deflector frame (33) through a fixing pin, the bottom of one end of the drag chain (332), which is far away from the deflector (331), is slidably connected with a guide wheel (333), and the guide wheel (333) is rotatably connected with the inner wall of the top end of the deflector frame (33) through a rotating shaft.

7. The heat energy meter calibrating device according to claim 6, wherein a limiting block (334) is arranged vertically above the guide wheel (333), and the limiting block (334) is fixed on the inner wall of the frame body of the flow guide frame (33).