Air volume measuring device of air conditioning unit

Abstract

The utility model relates to an air volume measuring device, in particular to an air volume measuring device of an air conditioning unit. The air volume measuring device for the air conditioning unit is convenient for quickly and accurately measuring data. The device comprises a moving frame, an air volume measuring box, a data collector, a positioning measuring assembly and the like, the moving frame is rotationally connected with the air volume measuring box through a rotating shaft, and the left end and the right end of the air volume measuring box are connected and communicated with an air inlet connecting pipe and an air outlet pipe respectively; a data collector used for detecting the air outlet volume of the air conditioning unit is installed in the middle of the air volume measuring box, and a positioning measuring assembly used for accurately measuring the air volume at multiple points is arranged on the left side of the air volume measuring box. By conveniently and rapidly switching pitot tubes assembled on the threaded sleeve in different directions, the purpose of conveniently and rapidly measuring multiple points of the air conditioning unit can be achieved, and the accuracy of measured data can be improved; the hydraulic cylinder is controlled to push the air volume measuring box to turn over, so that the pitot tube can be conveniently assembled at different positions, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of air volume measuring devices, specifically a kind of air volume measuring device of air conditioning unit. BACKGROUND

[0002] The air volume of air conditioning unit is measured to provide data support for the operation management of air conditioning system, and through the analysis of measurement data, the operation condition of air conditioning system can be understood, and scientific basis is provided for the optimization adjustment of system. Meanwhile, these data can also be used to evaluate the energy efficiency ratio, energy-saving performance and other indicators of air conditioning system, and provide strong support for energy saving and consumption reduction of system.

[0003] At present, the air volume of air conditioning unit is measured by using the hood method, that is, a specific size of hood is used to completely surround the air supply port or return air port, and then the average wind speed in the hood is measured using an anemometer, and the air volume is calculated according to the area of the hood. Although this method is relatively simple to operate, the accuracy of air volume measurement is relatively poor, and when multiple points are measured to collect data, the measurement position of the anemometer needs to be frequently switched, which is not fast enough.

[0004] Therefore, an air volume measuring device for air conditioning unit is provided to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the existing measurement technology in use, such as not fast enough and inaccurate measurement data, the technical problem to be solved is to provide an air volume measuring device for air conditioning unit which can measure data quickly and accurately.

[0006] The technical scheme is as follows: an air volume measuring device for air conditioning unit, comprising a movable frame, an air volume measuring box, an air inlet connecting pipe, an air outlet pipe and a data collector, further comprising a positioning measurement assembly and an air volume adjusting assembly, the left side of the air volume measuring box is provided with a positioning measurement assembly for multi-point accurate measurement, the positioning measurement assembly comprises a fixed frame, a threaded sleeve, a sealing structure and a hydraulic cylinder, the outer side of the air volume measuring box near the air inlet connecting pipe is provided with a fixed frame, the fixed frame and the air volume measuring box are spaced apart along the circumference and provided with measurement holes communicating with each other, each measurement hole is connected and communicated with a threaded sleeve for assembling a pitot tube, and the pitot tube is electrically connected with the data collector, the measurement hole is provided with a sealing structure, the movable frame is hingedly connected with a hydraulic cylinder in the middle, and the extension shaft of the hydraulic cylinder is hingedly connected to the bottom front side of the air volume measuring box, and the right side of the air volume measuring box near the air outlet pipe is provided with an air volume adjusting assembly for controlling and adjusting the air volume of air conditioning unit.

[0007] Further, the sealing structure comprises a sealing plunger and a magnetic block, the sealing plunger is movably sleeved in the threaded sleeve, and the magnetic block is connected to the outer end of the sealing plunger and can be attracted to the threaded sleeve.

[0008] Further, the air volume adjusting assembly comprises adjusting plates, gears, a guide rail, a rack and an air cylinder, a group of adjusting plates are movably connected to the right side in the air volume measuring box, gears are sleeved on the upper ends of the adjusting plates, the guide rail is installed on the right top of the air volume measuring box, the rack is slidably connected to the guide rail, the gears are engaged with the rack, and the air cylinder is installed on the right top of the air volume measuring box and close to the guide rail, and the end of the telescopic rod of the air cylinder is connected to the rack through a connecting block.

[0009] Further, the air volume adjusting assembly comprises adjusting plates, gears, a guide rail, a rack and an air cylinder, a group of adjusting plates are movably connected to the right side in the air volume measuring box, gears are sleeved on the upper ends of the adjusting plates, the guide rail is installed on the right top of the air volume measuring box, the rack is slidably connected to the guide rail, the gears are engaged with the rack, and the air cylinder is installed on the right top of the air volume measuring box and close to the guide rail, and the end of the telescopic rod of the air cylinder is connected to the rack through a connecting block.

[0010] Further, the air volume adjusting assembly comprises adjusting plates, gears, a guide rail, a rack and an air cylinder, a group of adjusting plates are movably connected to the right side in the air volume measuring box, gears are sleeved on the upper ends of the adjusting plates, the guide rail is installed on the right top of the air volume measuring box, the rack is slidably connected to the guide rail, the gears are engaged with the rack, and the air cylinder is installed on the right top of the air volume measuring box and close to the guide rail, and the end of the telescopic rod of the air cylinder is connected to the rack through a connecting block.

[0011] Further, the air volume adjusting assembly comprises adjusting plates, gears, a guide rail, a rack and an air cylinder, a group of adjusting plates are movably connected to the right side in the air volume measuring box, gears are sleeved on the upper ends of the adjusting plates, the guide rail is installed on the right top of the air volume measuring box, the rack is slidably connected to the guide rail, the gears are engaged with the rack, and the air cylinder is installed on the right top of the air volume measuring box and close to the guide rail, and the end of the telescopic rod of the air cylinder is connected to the rack through a connecting block.

[0012] Beneficial effects: the pitot tube in different directions on the threaded sleeve can be conveniently and quickly switched, the air conditioning unit can be conveniently and quickly measured at multiple points, and the accuracy of measured data can be improved; the hydraulic cylinder is controlled to push the air volume measuring box to be turned over, the pitot tube can be conveniently assembled at different positions, and operation is convenient; the angle at which the adjusting plate is rotated and opened can be flexibly controlled by controlling the extension range of the telescopic rod of the air cylinder, the air volume can be conveniently controlled, corresponding data under different working conditions can be measured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model.

[0014] Figure 2 It is a sectional view of the utility model.

[0015] Figure 3 It is a front view of the utility model.

[0016] Figure 4 It is a structure separation view of the fixed frame, the threaded sleeve and the sealing plunger of the utility model.

[0017] Figure 5 It is the three-dimensional structure schematic view of the air volume adjusting assembly of the utility model.

[0018] Figure 6 It is the three-dimensional structure schematic view of the clamping part of the utility model.

[0019] Figure 7 It is the overturning and unfolding state diagram of the air volume measuring box of the utility model.

[0020] Marked in the figure: 1-moving frame, 2-air volume measuring box, 3-air inlet connecting pipe, 4-air outlet pipe, 5-data collector, 6-fixing frame, 60-measuring hole, 7-threaded sleeve, 8-sealing plunger, 80-magnetic block, 9-adjusting plate, 10-gear, 11-guide rail, 12-rack, 13-cylinder, 14-clamping hook, 15-guide sleeve, 16-clamping rod, 17-elastic member, 18-flow equalizing net plate, 19-buffer block, 100-hydraulic cylinder. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the embodiment shown in the drawings.

[0022] Embodiment: the utility model provides a kind of air volume measuring device of air conditioning unit, referring to Figures 1 to 7 As shown, including mobile frame 1, air volume measuring box 2, air inlet connecting pipe 3, air outlet pipe 4, data collector 5, positioning measurement assembly and air volume adjusting assembly, mobile frame 1 is rotatably connected with air volume measuring box 2 by rotating shaft, and the left and right ends of air volume measuring box 2 are connected and communicated with air inlet connecting pipe 3 and air outlet pipe 4, wherein, air inlet connecting pipe 3 is made of flexible material, to be connected with the air outlet pipe of air conditioning unit, data collector 5 for detecting the air volume of air conditioning unit is installed in the middle of air volume measuring box 2, positioning measurement assembly is provided on the left side of air volume measuring box 2, and the air volume of air conditioning unit can be distributed multi-point accurate measurement by positioning measurement assembly, positioning measurement assembly includes fixed frame 6, threaded sleeve 7, sealing structure and hydraulic cylinder 100, fixed frame 6 is provided at the place close to air inlet connecting pipe 3 outside air volume measuring box 2, and fixed frame 6 is provided with mutually communicating measuring hole 60 along circumferential direction interval on air volume measuring box 2, each measuring hole 60 is connected and communicated with threaded sleeve 7 for assembling pitot tube outside, and pitot tube is electrically connected with data collector 5, and the air volume of air conditioning unit is detected by pitot tube;Each measuring hole 60 is provided with sealing structure, and the purpose of quick sealing of each measuring hole 60 can be achieved by sealing structure, and hydraulic cylinder 100 is hingedly connected in the middle of mobile frame 1, and the telescopic shaft of hydraulic cylinder 100 is hingedly connected to the bottom front side of air volume measuring box 2, by controlling the telescopic shaft of hydraulic cylinder 100 to lengthen, air volume measuring box 2 is conveniently turned over and unfolded upwards, and air volume adjusting assembly is provided at the place close to air outlet pipe 4 on the right side of air volume measuring box 2.

[0023] Further, referring to Figure 3 and Figure 4 As shown, the sealing structure includes a sealing plunger 8 and a magnetic block 80, the sealing plunger 8 is movably sleeved in the threaded sleeve 7, the sealing plunger 8 is made of rubber material and can be tightly attached to the threaded sleeve 7 and the measuring hole 60, the outer end of the sealing plunger 8 is connected with the magnetic block 80 which can be attracted to the threaded sleeve 7, which is beneficial to improve the convenience during use.

[0024] Further, referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the air volume adjusting assembly includes an adjusting plate 9, a gear 10, a guide rail 11, a rack 12 and an air cylinder 13, a group of adjusting plates 9 are movably connected to the right side inside the air volume measuring box 2, the gear 10 is sleeved on the upper end of each adjusting plate 9, the guide rail 11 is installed on the right top of the air volume measuring box 2, the rack 12 is slidingly connected to the guide rail 11, and the gear 10 is engaged with the rack 12, and the air cylinder 13 is also installed near the guide rail 11 on the right top of the air volume measuring box 2, the end of the telescopic rod of the air cylinder 13 is connected to the rack 12 through a connecting block, by controlling the extension range of the telescopic rod of the air cylinder 13, the angle of the rack 12 pushing the gear 10 and then driving the adjusting plate 9 to rotate and open can be conveniently controlled, which is convenient for collecting the measured data under different working conditions, and is beneficial to improve the accuracy of air volume measurement of the air conditioning unit.

[0025] Further, referring to Figure 1 , Figure 3 and Figure 6 As shown, it further includes a detent member, the detent member includes a hook 14, a guide sleeve 15, a clamping rod 16 and a resilient member 17, the guide sleeve 15 is arranged on the front side of the middle of the moving frame 1, the clamping rod 16 is movably arranged on the guide sleeve 15, the resilient member 17 is connected between the front part of the clamping rod 16 and the guide sleeve 15, and the resilient member 17 is sleeved on the clamping rod 16, the hook 14 capable of being clamped and matched with the clamping rod 16 is arranged on the front side of the bottom of the air volume measuring box 2, wherein the resilient member 17 is a tensile spring, which is used to provide tension to the clamping rod 16, so that the end of the clamping rod 16 can be tightly abutted with the hook 14, and the hook 14 is locked and limited.

[0026] Further, referring to Figure 1 and Figure 2 As shown, it further includes a flow equalizing net plate 18, the flow equalizing net plate 18 is arranged near the air inlet connecting pipe 3 inside the air volume measuring box 2, which can stabilize the flow of air passing through, and is beneficial to further improve the accuracy of air volume measurement of the air conditioning unit.

[0027] In addition, referring to Figure 7As shown, the buffer block 19 is arranged on the top of the moving frame 1 and can abut against the bottom of the air volume measuring box 2, so as to buffer and protect the air volume measuring box 2 when it is reset downward.

[0028] In use, the air inlet connecting pipe 3 is connected with the air outlet pipe 4 of the air conditioning unit, and in actual operation, the Pitot tube arranged in different directions on the threaded sleeve 7 can be switched to achieve the purpose of multi-point measurement of the air conditioning unit, which is beneficial to improve the accuracy of the measurement data. Figure 7 When it is needed to arrange the Pitot tube on different positions of the bottom of the air volume measuring box 2, the clamping rod 16 can be pulled to move forward to be separated from the clamping hook 14, then the hydraulic cylinder 100 is controlled to extend the telescopic shaft, so as to push the air volume measuring box 2 to be turned upward (as shown) around the rotating shaft. When the air blown by the air conditioning unit flows through the flow uniformizing net plate 18, the air flow can be stabilized and rectified, which is beneficial to improve the accuracy of the air flow measurement data. When the air volume measuring box 2 is controlled to be turned downward to the horizontal state, the clamping hook 14 can be clamped and limited by the cooperation of the clamping rod 16, the guide sleeve 15 and the elastic member 17, so that the air volume measuring box 2 can be stably operated when measuring the air volume. When it is needed to control the air volume in the air volume measuring box 2, the air cylinder 13 is controlled to extend the telescopic rod, so that the rack 12 can be driven to move horizontally along the guide rail 11, and then the gear 10 can be driven to rotate the adjusting plate 9, so that the angle of the adjusting plate 9 can be conveniently controlled by controlling the extension range of the telescopic rod of the air cylinder 13.

[0029] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An air volume measuring device for an air conditioner unit, comprising a mobile frame (1), an air volume measuring box (2), an air inlet connecting pipe (3), an air outlet pipe (4) and a data collector (5), characterized in that: The invention also includes a positioning measurement component and an air volume adjustment component. A positioning measurement component for multi-point precise measurement is provided on the left side of the air volume measurement box (2). The positioning measurement component includes a fixing frame (6), a threaded sleeve (7), a sealing structure and a hydraulic cylinder (100). A fixing frame (6) is provided on the outside of the air volume measurement box (2) near the air inlet connecting pipe (3). The fixing frame (6) and the air volume measurement box (2) are provided with mutually communicating measurement holes (60) at intervals along the circumferential direction. Each of the measurement holes (60) ) are connected and communicated with a threaded sleeve (7) for assembling a pitot tube on the outside, and the pitot tube is electrically connected to the data collector (5), and a sealing structure is provided in each of the measuring holes (60). The middle part of the mobile frame (1) is hingedly connected to a hydraulic cylinder (100), and the telescopic shaft of the hydraulic cylinder (100) is hingedly connected to the bottom front side of the air volume measuring box (2). An air volume regulating component for controlling and regulating the air volume of the air conditioner unit is provided on the right side of the air volume measuring box (2) near the air outlet pipe (4).

2. The air volume measuring device for an air conditioner unit according to claim 1, characterized in that: The sealing structure comprises a sealing plunger (8) and a magnetic block (80); the sealing plunger (8) is movably sleeved in the threaded sleeve (7); and the outer end of the sealing plunger (8) is connected to the magnetic block (80) capable of being attracted to the threaded sleeve (7).

3. The air volume measuring device for an air conditioner unit according to claim 1, characterized in that: The air volume regulating assembly comprises an regulating plate (9), a gear (10), a guide rail (11), a rack (12) and a cylinder (13). A group of regulating plates (9) are movably connected to the right side of the interior of the air volume measuring box (2). The upper end of each regulating plate (9) is sleeved with a gear (10). A guide rail (11) is installed on the right side of the top of the air volume measuring box (2). A rack (12) is slidably connected to the guide rail (11), and the gear (10) is meshed with the rack (12). A cylinder (13) is also installed on the right side of the top of the air volume measuring box (2) near the guide rail (11). The end of the telescopic rod of the cylinder (13) is connected to the rack (12) through a connecting block.

4. The air volume measuring device for an air conditioner unit according to claim 1, characterized in that: The invention also includes a locking member, which includes a hook (14), a guide sleeve (15), a locking rod (16) and an elastic member (17). The guide sleeve (15) is provided on the front side of the middle part of the movable frame (1), and the locking rod (16) is movably provided on the guide sleeve (15). An elastic member (17) is connected between the front part of the locking rod (16) and the guide sleeve (15), and the elastic member (17) is sleeved on the locking rod (16). The front side of the bottom of the air volume measuring box (2) is provided with a hook (14) that can be engaged with the locking rod (16).

5. The air volume measuring device for an air conditioner unit according to claim 1, characterized in that: It also includes a flow-equalizing mesh plate (18), which is arranged inside the air volume measuring box (2) near the air inlet connecting pipe (3).

6. The air volume measuring device for an air conditioner unit according to claim 1, characterized in that: It also includes a buffer block (19). The top of the movable frame (1) is provided with the buffer block (19), and the buffer block (19) can abut against the bottom of the air volume measurement box (2).

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