Electric ventilated dry and wet bulb measuring instrument

Abstract

An electric ventilation dry and wet bulb measuring instrument relates to the technical field of cooling tower appliances and comprises an air cylinder, the air cylinder is hinged to a support and swings along the support to adjust the inclination angle of the air cylinder, a dry bulb thermometer and a wet bulb thermometer are arranged in the air cylinder side by side, an electric fan is fixedly connected to the outlet end of the air cylinder, and a liquid containing barrel arranged in a swinging mode is hinged to the interior of the air cylinder. The bulb end of the wet bulb thermometer is coated with cotton yarn, and the other end of the cotton yarn extends into the liquid containing barrel. The temperature and humidity bulb measuring instrument solves the problems that in the using process of a temperature and humidity bulb measuring instrument in the prior art, along with reduction of potential energy of a torsional spring, the wind speed is unstable, fan rotation prompt sound is low, environment noise is large, and data errors are caused due to the fact that the fan stops rotating and cannot be recognized in time; and the problems that the overall angle cannot be adjusted according to the detection direction, the use range is reduced, and the use range is limited are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling tower appliances, in particular to an electric ventilation dry-bulb and wet-bulb measuring instrument. Background Art

[0002] Cooling towers are one of the main cooling equipment commonly used in industry. They mainly transport the waste heat generated by the system during the production process to the atmosphere through water media to ensure normal production. In the daily cooling tower data measurement process, the dry-bulb and wet-bulb temperature data are more important, and the data is obtained by a mechanical ventilation dry-bulb and wet-bulb tester.

[0003] A patent CN106382828A is disclosed in the prior art. The solution includes a louvered box, in which a symmetrically arranged instrument platform is arranged, a wet-bulb mercury thermometer water tank is arranged on the top of the instrument platform on the left side, a dry-bulb mercury thermometer is arranged on the top of the wet-bulb mercury thermometer water tank, a dry-bulb mercury thermometer of the dry-bulb mercury thermometer and a wet-bulb mercury thermometer of the dry-bulb mercury thermometer are arranged in the dry-bulb mercury thermometer, and a wet-bulb mercury thermometer of the dry-bulb mercury thermometer is arranged in the dry-bulb mercury thermometer, and a wet-bulb mercury thermometer of the dry-bulb mercury thermometer is arranged in the dry-bulb mercury thermometer, and the bottom of the wet-bulb mercury thermometer of the dry-bulb mercury thermometer is wrapped with a wet-bulb absorbent cotton yarn immersed in the wet-bulb mercury thermometer water tank, the temperature values ​​of the wet-bulb temperature sensor and the dry-bulb temperature sensor are directly read and compared with the cooling tower outlet water temperature, so as to control the cooling tower to run energy-saving and efficiently, and the current dry-bulb and wet-bulb temperatures of the atmosphere can be directly measured without complicated function calculations.

[0004] As the existing devices including the above patents are used, the shortcomings of the technology are gradually exposed, which are mainly manifested in the following aspects:

[0005] First, the existing thermo-humidity bulb meter needs to tighten the spring during use, and use the internal torsion spring potential energy to drive the fan to rotate, so as to achieve the purpose of air flow in the tester channel. However, during use, as the torsion spring potential energy decreases, the wind speed becomes unstable, and the fan rotation prompt sound is low. The ambient noise is large, and the fan cannot be identified in time after it stops, resulting in data errors.

[0006] Second, the existing thermo-humidity bulb measuring instrument cannot adjust the overall angle according to the detection direction when in use, which reduces the scope of use and causes the scope of use to be limited.

[0007] In summary, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0008] In view of the defects in the prior art, the utility model provides an electric ventilation dry-bulb and wet-bulb measuring instrument to solve the problems that during use, as the potential energy of the torsion spring decreases, the wind speed becomes unstable, the fan rotation prompt sound is low, the environmental noise is large, and the fan cannot be identified in time after stopping, resulting in data errors; and the overall angle cannot be adjusted according to the detection direction, which reduces the scope of use and causes the problem of limited scope of use.

[0009] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0010] An electric ventilation dry-bulb and wet-bulb measuring instrument comprises an air duct, which is hinged on a bracket and swings along the bracket to adjust its inclination angle. A dry-bulb thermometer and a wet-bulb thermometer are arranged in parallel in the air duct, an electric fan is fixedly connected to the outlet end of the air duct, a swingable liquid storage barrel is hinged in the air duct, the warm bulb end of the wet-bulb thermometer is covered with cotton yarn, and the other end of the cotton yarn extends into the liquid storage barrel.

[0011] As an optimized solution, a taking-in and putting-out hole is opened on the cylinder wall of the wind cylinder along the diameter direction, and a semicircular cylinder shell buckle cover which is arranged in the shape of the wind cylinder is hingedly connected to one side edge of the taking-in and putting hole.

[0012] As an optimized solution, the wind tube and the semicircular cylinder shell buckle cover are both transparent shells.

[0013] As an optimized solution, the wind tube is fixedly connected to a hinge shaft, the upper drum sleeve of the hinge shaft is equipped with a hinge sleeve, the upper port of the liquid container barrel is respectively fixedly connected to two pull rods, and the other end of the pull rod is fixedly connected to the outer wall of the hinge sleeve.

[0014] As an optimized solution, an L-shaped frame is fixedly connected to the outer wall of the wind tube, a hinge seat is fixedly connected to the frame, one end of the bracket is hinged to the hinge seat by a hinge shaft, and the other end of the bracket is fixedly connected to a connecting seat, the connecting seat is provided with a connecting hole, and a fixing bolt is inserted into the connecting hole.

[0015] As an optimized solution, a fixing knob is threadedly connected on the side wall of the hinge seat deviating from the hinge shaft, and a plurality of fixing grooves are opened on the bracket around the hinge shaft, and the end of the fixing knob abuts against the fixing groove.

[0016] As an optimized solution, the cotton yarn is sleeved on the warm bulb end of the wet-bulb thermometer through a rubber band.

[0017] As an optimized solution, two clamps are arranged in parallel on the inner wall of the air duct corresponding to the dry-bulb thermometer and the wet-bulb thermometer, and the dry-bulb thermometer and the wet-bulb thermometer are clamped in the clamps respectively.

[0018] As an optimized solution, the hinged end of the semicircular cylindrical shell buckle cover is hinged to one side edge of the taking and placing hole through a hinge arranged in parallel.

[0019] As an optimized solution, the swing end of the semicircular cylindrical shell is connected to the other side edge of the taking and placing hole through a locking assembly.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] During the operation of the equipment, the corresponding cotton yarn is placed at the air inlet below the wet-bulb thermometer. The ambient air enters the air duct by the negative pressure caused by the continuous rotation of the electric fan. The temperature measuring points of the wet-bulb thermometer and the dry-bulb thermometer are in contact with the ambient air to ensure the accuracy of the data.

[0022] Accordingly, the torsion spring is twisted by the original manual spring, and the potential energy of the torsion spring is converted into the kinetic energy of the fan rotation. However, as the potential energy of the torsion spring decreases, the wind speed becomes unstable, and the fan rotation prompt sound is low. The ambient noise is large, and the fan cannot be identified in time after it stops, resulting in data errors. To address this problem, the fan is adjusted to an electric fan to ensure the stability of its rotation air volume and to meet the equipment test cycle. It is ensured that there will be no problems such as stopping rotation, and the accuracy of the test data is guaranteed.

[0023] The air duct is hinged on the bracket, and the swing angle of the air duct can be adjusted by using a fixing knob and a fixing slot. The liquid container barrel hinged internally can be used to keep the air duct in a vertical state when it swings, ensuring that the liquid will not leak out, meeting the needs of different testing occasions and increasing the scope of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0025] Figure 1 This is a structural schematic diagram of the utility model in which the wind tube is in a vertical state;

[0026] Figure 2 It is a schematic diagram of the horizontal state structure of the wind tube of the utility model.

[0027] In the figure: 1-air duct, 2-semicircular shell buckle cover, 3-electric fan, 4-dry-bulb thermometer, 5-wet-bulb thermometer, 6-clamp, 7-hinge, 8-lock assembly; 9-cotton yarn; 10-liquid container; 11-hinge shaft; 12-pull rod; 13-frame; 14-hinge seat; 15-bracket; 16-connecting seat; 17-hinge shaft; 18-fixing knob. DETAILED DESCRIPTION

[0028] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0029] like Figure 1 and Figure 2 As shown, the electric ventilation dry-bulb and wet-bulb measuring instrument includes an air duct 1, which is hinged on a bracket 15 and swings along the bracket 15 to adjust its inclination angle. A dry-bulb thermometer 4 and a wet-bulb thermometer 5 are arranged in parallel in the air duct 1. An electric fan 3 is fixedly connected to the outlet end of the air duct 1. A swingable liquid storage barrel 10 is hinged in the air duct 1. The warm bulb end of the wet-bulb thermometer 5 is covered with cotton yarn 9, and the other end of the cotton yarn 9 extends into the liquid storage barrel 10. When in use, the other end of the cotton yarn 9 can be rotated inside and outside the liquid storage barrel 10 for use according to the situation.

[0030] A taking-in and putting-out hole is provided on the wall of the air duct 1 along the diameter direction, and a semicircular cylinder shell buckle cover 2 which is arranged in the shape of the air duct 1 is hingedly connected to one side edge of the taking-in and putting hole.

[0031] The air duct 1 and the semicircular cylinder shell buckle cover 2 are both transparent shells.

[0032] The air cylinder 1 is fixedly connected with a hinge shaft, and a hinge sleeve is mounted on the rotating cylinder of the hinge shaft. The upper end of the liquid container 10 is respectively fixedly connected with two pull rods 12, and the other end of the pull rod 12 is fixedly connected with the outer wall of the hinge sleeve.

[0033] An L-shaped frame 13 is fixedly connected to the outer wall of the wind tube 1, and a hinge seat 14 is fixedly connected to the frame 13. One end of a bracket 15 is hinged to the hinge seat 14 by a hinge shaft, and the other end of the bracket 15 is fixedly connected to a connecting seat 16. The connecting seat 16 has a connecting hole, and a fixing bolt is inserted into the connecting hole.

[0034] A fixing knob 18 is threadedly connected on the side wall of the hinge seat 14 which deviates from the hinge axis. A plurality of fixing grooves are formed on the bracket 15 around the hinge axis. The ends of the fixing knob 18 abut against the fixing grooves.

[0035] The cotton yarn 9 is sleeved on the warm bulb end of the wet-bulb thermometer 5 through a rubber band.

[0036] Two clamps 6 are arranged in parallel on the inner wall of the air duct 1 corresponding to the dry-bulb thermometer 4 and the wet-bulb thermometer 5 , and the dry-bulb thermometer 4 and the wet-bulb thermometer 5 are clamped in the clamps 6 correspondingly.

[0037] The hinged end of the semicircular cylindrical shell buckle cover 2 is hinged to one side edge of the taking and placing hole through a hinge 7 arranged in parallel.

[0038] The swing end of the semicircular cylindrical shell is connected to the other side edge of the access hole through a locking assembly 8.

[0039] The working principle of this device is:

[0040] During the operation of the equipment, the corresponding cotton yarn 9 is placed at the air inlet below the wet-bulb thermometer 5. The ambient air enters the air duct 1 by the negative pressure of the continuous rotation of the electric fan. The temperature measuring points of the wet-bulb thermometer 5 and the dry-bulb thermometer 4 are in contact with the ambient air to ensure the accuracy of the data.

[0041] Accordingly, the torsion spring is twisted by the original manual spring, and the potential energy of the torsion spring is converted into the kinetic energy of the fan rotation. However, as the potential energy of the torsion spring decreases, the wind speed becomes unstable, and the fan rotation prompt sound is low. The ambient noise is large, and the fan cannot be identified in time after it stops, resulting in data errors. To address this problem, the fan is adjusted to an electric fan to ensure the stability of its rotation air volume and to meet the equipment test cycle. It is ensured that there will be no problems such as stopping rotation, and the accuracy of the test data is guaranteed.

[0042] The air duct 1 is hinged on the bracket 15, and the swing angle of the air duct 1 can be adjusted by using the fixing knob 18 and the fixing groove. The liquid container 10 hinged internally can ensure that the air duct 1 is in a vertical state when it swings, ensuring that the liquid will not leak out, meeting the use of different testing occasions and increasing the scope of use.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. Electric ventilation wet-dry bulb measuring instrument, characterized by: The invention comprises a wind tube (1), wherein the wind tube (1) is hinged on a bracket (15) and swings along the bracket (15) to adjust its inclination angle, wherein a dry-bulb thermometer (4) and a wet-bulb thermometer (5) are arranged in parallel in the wind tube (1), an electric fan (3) is fixedly connected to the outlet end of the wind tube (1), a liquid storage barrel (10) is hingedly arranged in a swingable manner in the wind tube (1), a warm bulb end of the wet-bulb thermometer (5) is covered with cotton yarn (9), and the other end of the cotton yarn (9) extends into the liquid storage barrel (10).

2. The electric ventilation wet-dry bulb measuring instrument according to claim 1, characterized in that: A take-in and put-out hole is provided on the wall of the wind tube (1) along the diameter direction, and a semicircular cylinder shell buckle cover (2) which is arranged in the same shape as the wind tube (1) is hingedly connected to one side edge of the take-in and put-out hole.

3. The electric ventilation wet-dry bulb measuring instrument according to claim 2, characterized in that: The wind tube (1) and the semicircular cylinder shell buckle cover (2) are both transparent shells.

4. The electric ventilation wet-dry bulb measuring instrument according to claim 1, characterized in that: The wind tube (1) is fixedly connected to a hinge shaft, the upper drum sleeve of the hinge shaft is provided with a hinge sleeve, the upper end of the liquid container barrel (10) is respectively fixedly connected to two pull rods (12), and the other end of the pull rod (12) is fixedly connected to the outer wall of the hinge sleeve.

5. The electric ventilation wet-dry bulb measuring instrument according to claim 1, characterized in that: An L-shaped frame (13) is fixedly connected to the outer wall of the wind tube (1), a hinge seat (14) is fixedly connected to the frame (13), one end of the bracket (15) is hinged to the hinge seat (14) by means of a hinge shaft, and the other end of the bracket (15) is fixedly connected to a connecting seat (16), the connecting seat (16) is provided with a connecting hole, and a fixing bolt is inserted into the connecting hole.

6. The electric ventilation wet-dry bulb measuring instrument according to claim 5, characterized in that: A fixing knob (18) is threadedly connected to the side wall of the hinge seat (14) which is deviated from the hinge shaft. A plurality of fixing grooves are provided on the bracket (15) around the hinge shaft. The end of the fixing knob (18) abuts against the fixing groove.

7. The electric ventilation wet-dry bulb measuring instrument according to claim 1, characterized in that: The cotton yarn (9) is sleeved on the warm bulb end of the wet-bulb thermometer (5) via a rubber band.

8. The electric ventilation wet-dry bulb measuring instrument according to claim 1, characterized in that: Two clamps (6) are arranged in parallel on the inner wall of the wind tube (1) corresponding to the dry-bulb thermometer (4) and the wet-bulb thermometer (5), and the dry-bulb thermometer (4) and the wet-bulb thermometer (5) are clamped in the clamps (6) respectively.

9. The electric ventilation wet-dry bulb measuring instrument according to claim 2, characterized in that: The hinged end of the semicircular cylindrical shell buckle cover (2) is hinged to one side edge of the taking and placing hole through a hinge (7) arranged in parallel.

10. The electric ventilation wet-dry bulb measuring instrument according to claim 9, characterized in that: The swing end of the semicircular cylindrical shell is connected to the other side edge of the taking-in and putting-out hole through a locking assembly (8).

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