Full-automatic heat meter flow calibrating device

Abstract

The utility model discloses a full-automatic heat meter flow calibrating device which comprises a calibrating box body, the lower end of one side of the calibrating box body is connected with the input end of a conveying pump through a mounting pipeline, a processing mechanism is arranged on the mounting pipeline, and a calibrating pipeline is arranged on one side of the calibrating box body. The verification pipeline is of a concentric-square-shaped pipeline structure composed of a first verification pipe and a second verification pipe, the verification pipeline is provided with a verification mechanism, one end of the verification pipeline is provided with a first connecting pipe, the other end of the verification pipeline is connected with the verification box through a second connecting pipe, and the end, close to the first connecting pipe, of the installation pipeline is provided with an assembling mechanism. A heat meter body is arranged between the mounting pipeline and the first connecting pipe through an assembling mechanism, and a valve is arranged at the end, close to the verification box body, of the mounting pipeline. By arranging a series of structures, double-pipeline double-flow verification of the heat meter is realized, verification has contrast, verification is accurate, locking, clamping, sealing and assembling of the heat meter are realized, and the heat meter is convenient to disassemble and assemble during verification.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat meter flow calibration technical field, concretely is a kind of full-automatic heat meter flow calibration device. BACKGROUND

[0002] Heat meter is suitable for measuring the instrument that liquid called heat carrier liquid absorbs or converts heat energy in heat exchange loop, it is composed of flow sensor, temperature sensor and heat energy integrator three parts, heat meter flow calibration device is mainly used to calibrate test heat meter, ensure its measurement accuracy and reliability. Through simulating actual working condition, the flow and temperature data of heat meter are collected and processed, to verify its measurement accuracy.

[0003] At present, heat meter flow calibration is installed on calibration pipeline through flange and bolt, heat meter flow calibration is inconvenient to disassemble and assemble, and sealing is poor at assembly place, and heat meter flow calibration equipment uses single calibration pipeline, heat meter flow calibration is influenced by calibration medium, calibration instrument etc., calibration lacks contrast, and calibration operation is inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of full-automatic heat meter flow calibration device to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of full-automatic heat meter flow calibration device, including calibration box body, the lower end of the one side of the calibration box body is connected with the input end of conveying pump through installation pipeline, processing mechanism is equipped on the installation pipeline, the side of the calibration box body is equipped with calibration pipeline, the calibration pipeline is composed of backshaped pipeline structure by no.1 calibration pipe and no.2 calibration pipe, calibration mechanism is equipped on the calibration pipeline, one end of the calibration pipeline is equipped with no.1 connecting pipe, the other end of the calibration pipeline is connected with calibration box body by no.2 connecting pipe, the end of installation pipeline and no.1 connecting pipe close is equipped with assembly mechanism, the hot energy table body is equipped between installation pipeline and no.1 connecting pipe by assembly mechanism, the end of installation pipeline close to calibration box body is equipped with valve, the upper end of the one side of the calibration box body is equipped with display screen.

[0006] Preferably, the calibration mechanism includes no.1 valve, no.2 valve, no.1 calibration flowmeter and no.2 calibration flowmeter, no.1 valve is equipped at the opposite ends of no.1 calibration pipe, no.2 valve is equipped at the opposite ends of no.2 calibration pipe, no.1 calibration flowmeter is equipped on no.1 calibration pipe, and no.2 calibration flowmeter is equipped on no.2 calibration pipe.

[0007] Preferably, the assembling mechanism comprises a first butt flange, a second butt flange, a first assembling plate, a second assembling plate, a locking screw and an extension pipe, the installation pipe is provided with the first butt flange at one end away from the calibration box body, the first connecting pipe is provided with the second butt flange at one end away from the calibration pipe, the first butt flange is provided with the first assembling plate on one side of the installation pipe, the second butt flange is provided with the second assembling plate on one side of the first connecting pipe, the first connecting pipe is provided with the extension pipe at one end close to the second butt flange, the first assembling plate and the second assembling plate are connected through the locking screw, and the heat meter body is sealed and clamped between the first assembling plate and the second assembling plate through the sealing element.

[0008] Preferably, the sealing element comprises an inner tube and a sealing ring, and the first butt flange is provided with the inner tube on one side away from the installation pipe, and the second butt flange is provided with the inner tube on one side away from the first connecting pipe; the first butt flange and the second butt flange are provided with the sealing ring on the outer circumferences of the inner tubes.

[0009] Preferably, the first assembling plate and the second assembling plate are both provided with two, and the two first assembling plates and the two second assembling plates are both symmetrically arranged.

[0010] Preferably, the processing mechanism comprises a flow regulator and a filter, the output end of the calibration box body is connected with the input end of the filter through the installation pipe, the output end of the filter is connected with the input end of the delivery pump through the installation pipe, and the output end of the delivery pump is connected with the input end of the flow regulator through the installation pipe.

[0011] Preferably, the installation pipe is fixedly installed at the lower end of one side of the calibration box body through the clamp fixing clamp.

[0012] Compared with the prior art, the full-automatic heat meter flow calibration device has the following beneficial effects:

[0013] 1. The full-automatic heat meter flow calibration device, through the installation pipe, the first connecting pipe, the second connecting pipe and the calibration pipe arranged on the calibration box body, the calibration pipe is composed of the first calibration pipe and the second calibration pipe, cooperates with the first calibration flow meter and the second calibration flow meter, realizes double-pipe double-flow calibration of the heat meter, is accurate in calibration, and the filter and the flow regulator arranged on the installation pipe filter and regulate the flow of the detection medium, thereby reducing the interference influence on calibration.

[0014] 2. The full-automatic heat meter flow calibration device, through the assembling mechanism arranged on the installation pipe and the first connecting pipe, the first butt flange and the second butt flange cooperate, the first assembling plate, the second assembling plate and the locking screw are combined, and the inner tube and the sealing ring are arranged, so that the heat meter body to be calibrated is locked, clamped and sealed and assembled, and the heat meter is convenient to calibrate and disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1The whole structure schematic view of the utility model is shown in the figure.

[0016] Fig. 2 The structure schematic view of the utility model is shown in the figure.

[0017] Fig. 3 The structure schematic view of the utility model is shown in the figure.

[0018] Fig. 4 The structure schematic view of the utility model is shown in the figure.

[0019] In the figure: 1, the detection box body; 2, the installation pipeline; 3, the assembly mechanism; 31, the first butt flange; 32, the second butt flange; 33, the first assembly plate; 34, the second assembly plate; 35, the locking screw; 36, the inner tube; 37, the telescopic pipe; 4, the first connecting pipe; 5, the detection pipeline; 51, the first detection pipe; 52, the second detection pipe; 6, the second connecting pipe; 7, the first valve; 71, the second valve; 8, the first detection flowmeter; 81, the second detection flowmeter; 9, the delivery pump; 10, the valve; 11, the flow regulator; 12, the filter; 13, the clamp fixing clamp; 14, the thermal energy meter body; 15, the display screen. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in the description of the embodiments of the utility model in combination with the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0022] As Figs. 1 to 4As shown, the full-automatic heat meter flow calibration device of the embodiment comprises a calibration box 1, the lower end of one side of the calibration box 1 is connected with the input end of a delivery pump 9 through a mounting pipeline 2, the mounting pipeline 2 is provided with a processing mechanism, one side of the calibration box 1 is provided with a calibration pipeline 5, the calibration pipeline 5 comprises a back-shaped pipeline structure composed of a first calibration pipeline 51 and a second calibration pipeline 52, the calibration pipeline 5 is provided with a calibration mechanism, one end of the calibration pipeline 5 is provided with a first connecting pipeline 4, the other end of the calibration pipeline 5 is connected with the calibration box 1 through a second connecting pipeline 6, the end close to the first connecting pipeline 4 of the mounting pipeline 2 is provided with an assembling mechanism 3, the heat meter body 14 is arranged between the mounting pipeline 2 and the first connecting pipeline 4 through the assembling mechanism 3, the end close to the calibration box 1 of the mounting pipeline 2 is provided with a valve 10, the upper end of one side of the calibration box 1 is provided with a display screen 15, the double-pipeline double-flow calibration of the heat meter is realized, the calibration has comparison, is accurate, the heat meter body 14 to be calibrated is locked, clamped and sealed and assembled, so that the heat meter is convenient to calibrate and disassemble.

[0023] Specifically, the calibration mechanism comprises a first valve 7, a second valve 71, a first calibration flowmeter 8 and a second calibration flowmeter 81, the opposite ends of the first calibration pipeline 51 are both provided with the first valve 7, the opposite ends of the second calibration pipeline 52 are both provided with the second valve 71, the first calibration pipeline 51 is provided with the first calibration flowmeter 8, the second calibration pipeline 52 is provided with the second calibration flowmeter 81, the output ends of the first calibration flowmeter 8 and the second calibration flowmeter 81 are electrically connected with the display screen 15, so that the double-pipeline double-flow calibration of the heat meter is realized.

[0024] Further, the assembling mechanism 3 comprises a first butt flange 31, a second butt flange 32, a first assembling plate 33, a second assembling plate 34, a locking screw 35 and an extension pipeline 37, the end away from the calibration box 1 of the mounting pipeline 2 is provided with the first butt flange 31, the end away from the calibration pipeline 5 of the first connecting pipeline 4 is provided with the second butt flange 32, the mounting pipeline 2 on one side of the first butt flange 31 is provided with the first assembling plate 33, the first connecting pipeline 4 on one side of the second butt flange 32 is provided with the second assembling plate 34, the end close to the second butt flange 32 of the first connecting pipeline 4 is provided with the extension pipeline 37, the first assembling plate 33 and the second assembling plate 34 are connected through the locking screw 35, the heat meter body 14 is sealed, clamped and assembled between the first assembling plate 33 and the second assembling plate 34 through a sealing element, the locking screw 35 on the second assembling plate 34 is screwed, the locking screw 35 is locked and screwed on the first assembling plate 33 and the second assembling plate 34, with the tightening of the locking screw 35, the second assembling plate 34 and the second butt flange 32 are moved to the first assembling plate 33 and the first butt flange 31, the extension pipeline 37 on the first connecting pipeline 4 is lengthened, the inner insertion pipeline 36 of the second butt flange 32 is inserted into the other end of the heat meter body 14, the heat meter body 14 to be calibrated is locked, clamped and sealed and assembled on the calibration pipeline of the calibration equipment through the assembling mechanism 3.

[0025] Furthermore, the seal includes an inner tube 36 and a sealing ring. The inner tube 36 is provided on the side of the No. 1 docking flange 31 away from the installation pipe 2 and the side of the No. 2 docking flange 32 away from the No. 1 connecting pipe 4. Sealing rings are provided on the No. 1 docking flange 31 and the No. 2 docking flange 32 on the outer circumference of the inner tube 36. The inner tube 36 is inserted into the interior of the heat meter body 14 to increase the sealing of the installation of the heat meter body 14.

[0026] Furthermore, there are two No. 1 assembly plates 33 and two No. 2 assembly plates 34, and the two No. 1 assembly plates 33 and No. 2 assembly plates 34 are symmetrically arranged, and the symmetrical clamping is more stable.

[0027] Furthermore, the processing mechanism includes a flow regulator 11 and a filter 12. The output end of the calibration box 1 is connected to the input end of the filter 12 through the installation pipe 2. The output end of the filter 12 is connected to the input end of the delivery pump 9 through the installation pipe 2. The output end of the delivery pump 9 is connected to the input end of the flow regulator 11 through the installation pipe 2. The filter 12 adopts an existing filter. A filter core is provided inside the filter 12. The filter 12 is installed on the installation pipe 2 through a flange to filter and regulate the flow of the entering detection medium, reduce the impact of calibration interference, and prevent pollutants in the medium from contaminating the calibration pipeline and calibration instruments.

[0028] Furthermore, the installation pipe 2 is fixedly installed at the lower end of one side of the calibration box 1 by a clamp fixing clamp 13, the No. 2 calibration tube 52 can be fixed to the calibration box 1 by the clamp fixing clamp 13, and the No. 1 connecting pipe 4 at the end of the telescopic tube 37 away from the No. 2 docking flange 32 is installed on the calibration box 1 by the clamp fixing clamp 13. The structure of the installation pipe 2 on the calibration box 1 is stable, so that the calibrated heat meter clamped on the installation pipe 2 is stable.

[0029] The use method of the embodiment is: the thermal energy meter body 14 to be tested is placed between the first connecting flange 31 and the second connecting flange 32, one end of the thermal energy meter body 14 is combined with the first connecting flange 31, that is, the inner plug pipe 36 on the first connecting flange 31 is inserted into the inside of one end of the thermal energy meter body 14, then the locking screw 35 on the second assembly plate 34 is screwed, the locking screw 35 is locked and screwed on the first assembly plate 33 and the second assembly plate 34, with the tightening of the locking screw 35, the second assembly plate 34 and the second connecting flange 32 are moved to the first assembly plate 33 and the first connecting flange 31, the telescopic pipe 37 on the first connecting pipe 4 is lengthened, the inner plug pipe 36 of the second connecting flange 32 is inserted into the inside of the other end of the thermal energy meter body 14, and the sealing rings on the first connecting flange 31 and the second connecting flange 32 seal the assembly positions of the opposite two ends of the thermal energy meter body 14, so that the thermal energy meter body 14 to be tested is tightly clamped and sealed by the assembly mechanism 3 and assembled on the test pipeline of the test device, the valve 10 on the installation pipeline 2 and the first valve 7 on the first test pipe 51 are opened, the second valve 71 on the second test pipe 52 is closed, and the conveying pump 9 is started, under the action of the conveying pump 9, the test medium in the test box 1 flows through the installation pipeline 2, the first connecting pipe 4, the first test pipe 51 and the second connecting pipe 6 in turn, passes through the filter 12, the flow regulator 11, the thermal energy meter body 14 and the first test flow meter 8 in turn, and obtains the first flow test of the thermal energy meter, after the first test flow meter 8 is tested, the first valve 7 on the first test pipe 51 is closed, the second valve 71 on the second test pipe 52 is opened, and the conveying pump 9 is started, under the action of the conveying pump 9, the test medium in the test box 1 flows through the installation pipeline 2, the first connecting pipe 4, the second test pipe 52 and the second connecting pipe 6 in turn, passes through the filter 12, the flow regulator 11, the thermal energy meter body 14 and the second test flow meter 81 in turn, and obtains the second flow test of the thermal energy meter, realizes the double-pipeline double-flow test of the thermal energy meter, and has test comparison and test precision, the filter 12 and the flow regulator 11 filter and flow regulating control the test medium, reduce the test interference influence, after the test is completed, the valve 10, the conveying pump 9, the first valve 7 and the second valve 71 are closed, the locking screw 35 on the first assembly plate 33 and the second assembly plate 34 is unscrewed, that is, the second assembly plate 34 and the second connecting flange 32 are away from the first assembly plate 33 and the first connecting flange 31, the thermal energy meter body 14 between the first connecting flange 31 and the second connecting flange 32 is removed, and the thermal energy meter test is convenient to disassemble and assemble.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A fully automatic thermal energy meter flow proving device comprising a proving cabinet (1), characterized in that: The lower end of one side of the test box (1) is connected with the input end of the delivery pump (9) through the installation pipeline (2), the installation pipeline (2) is provided with a processing mechanism, one side of the test box (1) is provided with a test pipeline (5), the test pipeline (5) is composed of a No. 1 test pipe (51) and a No. 2 test pipe (52) to form a meandering pipeline structure, the test pipeline (5) is provided with a test mechanism, one end of the test pipeline (5) is provided with a No. 1 connecting pipe (4), the other end of the test pipeline (5) is connected with the test box (1) through a No. 2 connecting pipe (6), the end close to the No. 1 connecting pipe (4) of the installation pipeline (2) is provided with an assembling mechanism (3), the installation pipeline (2) and the No. 1 connecting pipe (4) are provided with a heat energy meter body (14) through the assembling mechanism (3), the end close to the test box (1) of the installation pipeline (2) is provided with a valve (10), the upper end of one side of the test box (1) is provided with a display screen (15).

2. The fully automatic thermal energy meter flow proving apparatus of claim 1, wherein: The test mechanism comprises a No. 1 valve (7), a No. 2 valve (71), a No. 1 test flowmeter (8) and a No. 2 test flowmeter (81), the opposite ends of the No. 1 test pipe (51) are both provided with the No. 1 valve (7), the opposite ends of the No. 2 test pipe (52) are both provided with the No. 2 valve (71), the No. 1 test pipe (51) is provided with the No. 1 test flowmeter (8), and the No. 2 test pipe (52) is provided with the No. 2 test flowmeter (81).

3. The fully automatic thermal energy meter flow proving apparatus of claim 1, wherein: The assembling mechanism (3) comprises a No. 1 butt flange (31), a No. 2 butt flange (32), a No. 1 assembling plate (33), a No. 2 assembling plate (34), a locking screw (35) and an expansion pipe (37), the end away from the test box (1) of the installation pipeline (2) is provided with the No. 1 butt flange (31), the end away from the test pipeline (5) of the No. 1 connecting pipe (4) is provided with the No. 2 butt flange (32), the installation pipeline (2) on one side of the No. 1 butt flange (31) is provided with the No. 1 assembling plate (33), the No. 1 connecting pipe (4) on one side of the No. 2 butt flange (32) is provided with the No. 2 assembling plate (34), the end close to the No. 2 butt flange (32) of the No. 1 connecting pipe (4) is provided with the expansion pipe (37), the No. 1 assembling plate (33) and the No. 2 assembling plate (34) are connected through the locking screw (35), and the heat energy meter body (14) is sealed and clamped between the No. 1 assembling plate (33) and the No. 2 assembling plate (34) through a sealing element.

4. The fully automatic thermal energy meter flow proving apparatus of claim 3, wherein: The sealing element comprises an inner tube (36) and a sealing ring, the side away from the installation pipeline (2) of the No. 1 butt flange (31) and the side away from the No. 1 connecting pipe (4) of the No. 2 butt flange (32) are both provided with the inner tube (36), and the No. 1 butt flange (31) and the No. 2 butt flange (32) on the outer circumference of the inner tube (36) are both provided with the sealing ring.

5. The fully automatic thermal energy meter flow proving apparatus of claim 3, wherein: The No. 1 assembling plate (33) and the No. 2 assembling plate (34) are both provided with two, and the two No. 1 assembling plates (33) and the two No. 2 assembling plates (34) are both symmetrically arranged.

6. The fully automatic thermal energy meter flow proving apparatus of claim 1, wherein: The processing mechanism comprises a flow regulator (11) and a filter (12), the output end of the verification box (1) is connected with the input end of the filter (12) through a mounting pipeline (2), the output end of the filter (12) is connected with the input end of a delivery pump (9) through the mounting pipeline (2), and the output end of the delivery pump (9) is connected with the input end of the flow regulator (11) through the mounting pipeline (2).

7. The fully automatic thermal energy meter flow proving apparatus of claim 1, wherein: The mounting pipeline (2) is fixedly installed at the lower end of one side of the verification box (1) through a clamp fixing clamp (13).

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