CN113049088A - Air conditioner surge state detection device - Google Patents
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- CN113049088A CN113049088A CN201911364748.9A CN201911364748A CN113049088A CN 113049088 A CN113049088 A CN 113049088A CN 201911364748 A CN201911364748 A CN 201911364748A CN 113049088 A CN113049088 A CN 113049088A
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner surge state detection device, which comprises a mounting plate and a plurality of filaments, wherein one ends of the filaments are uniformly fixed on the mounting plate at intervals, and the other ends of the filaments hang down freely by means of the gravity of the filaments and can swing under the action of air flow.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an air conditioner surge state detection device.
Background
When a filter screen of the air conditioner is dirty and blocked or the matching performance of an air duct is poor in the using process of the air conditioner, the indoor unit of the air conditioner can emit annoying sounds similar to uneven breathing of a patient, and the phenomenon is surging. The occurrence of the surge phenomenon is not only a loss to the air conditioner internal unit itself, but also the surge noise associated with the surge phenomenon greatly affects the quality of life of users. Therefore, during the production and use of the air conditioner, especially before the air conditioner leaves a factory, whether the air conditioner has a surge phenomenon or not needs to be tested.
Whether the surge phenomenon exists in the air conditioner indoor unit before the air conditioner production merchant is generally judged by an ear-to-ear mode of a tester. The specific test method comprises the following steps: under the conditions that the indoor wet bulb temperature is 26 ℃ and the humidity is 90%, a 10-layer filter screen with the specification of PP40 multiplied by 40/inch is used for simulating the filth blockage condition of the filter screen, when the air conditioner is tested, after the air conditioner is in stable operation condition and an indoor evaporator is fully covered with condensed water, the air conditioner is remotely controlled by a remote controller to operate for more than 30 minutes through the whole machine under different conditions of wind guiding, wind sweeping and the like, a tester conducts auditory sense evaluation at a position 40cm-50cm away from the surface of the machine body to judge whether the air conditioner has a surge phenomenon, and if the wind sound of an indoor unit of the air conditioner has no obvious abnormal sense, the.
Although this method is currently widely used in the air-conditioning production field, it still has the following disadvantages: firstly, the subjectivity is strong, and the accuracy is low: the perception sensitivities of different testers to the surge degree are different, the perception of the same tester to the same surge degree is different under different states, and particularly, the time consumed by testing various working conditions of one air conditioner is generally 2-4 hours, the testers are very easy to fatigue, and the problems of missed hearing and misjudgment are caused; secondly, the degree of the surge state cannot be judged: the difference between the surge degrees of a plurality of machine types at different positions and different moments of the same machine type is difficult to measure; third, insensitivity to the perception of changes in surge levels: if the variation difference of the surge degree is not obvious when the layer number of the filter screen is increased or decreased layer by layer, the variation of the surge degree is difficult to judge through auditory evaluation.
Therefore, it is an object of the present invention to provide an air conditioner surge state detection device that is easy and convenient to use, can accurately detect the surge, can accurately reflect the position of the surge, and can clearly show the degree and the change of the surge.
Disclosure of Invention
The invention designs an air conditioner surge state detection device, which is convenient to use and accurate in detection, can accurately reflect the position of surge and can clearly show the surge degree and the change of the surge degree.
In order to solve the problems, the invention discloses an air conditioner surge state detection device
The utility model provides an air conditioner surge state detection device, includes mounting panel and many filaments, the one end of filament is fixed evenly at an interval on the mounting panel, and the other end relies on the gravity of self freely to hang down to can produce the swing under the effect of air current.
Air conditioner surge state detection device come to carry out the visual reflection to the change of the air-out air current of air conditioner air outlet through setting up many can be along with wind wobbling filiform, through whether the swing condition of filiform not only can produce surge phenomenon to the air conditioner and carry out qualitative judgement, can also pass through the swing condition of filiform changes and carries out visual reflection to the difference of surge degree between same air conditioner different positions, different moments surge degree and change or different air conditioners, and the measurement personnel is through right the swing condition of filiform changes and observes, can judge the difference of surge degree between the different positions of same air conditioner, different moments surge degree and different air conditioners quantitatively. In addition, the air conditioner surge state detection device still have simple structure, easy preparation, with low costs, convenient to use, result present directly perceived, accurate, economic efficient advantage.
Further, when the surge state of the air conditioner is detected, the mounting plate is fixed above an air outlet of an indoor unit of the air conditioner, and the filament is freely suspended from the mounting plate and then covers the air outlet.
Air conditioner surge state detection device pass through the mounting panel is many the filiform hangs in the air outlet department of air conditioner, and makes the filiform can swing under the effect of air-out air current in the air conditioner air outlet, when the air conditioner is normally out of the wind, air outlet exhaust air current is stable, the filiform is blown by the air-out air current, and is different the produced amplitude of oscillation and the direction of filiform are unanimous and fixed, and when the surge phenomenon appears in the air conditioner, air outlet exhaust air current undulation is indefinite, the filiform is blown by the air-out air current, will produce the uncertain swing of direction and amplitude size, from this, can pass through whether the air conditioner has produced surge phenomenon along with the wobbling condition determination air conditioner of wind swing. On the basis, the surge state difference between different positions of the air outlet of the same air conditioner can be judged by comparing the swing conditions of the filaments at different positions of the air outlet of the air conditioner. In addition, the difference of the surge degrees of the air outlet of the same air conditioner at different moments can be judged by comparing the swing conditions of the filaments at the same position at different moments of the air outlet of the air conditioner. And judging the difference of the surge degree between the air outlets of different air conditioners by comparing the swing conditions of the filaments at different moments or at the same moment.
Further, the mounting plate is a complete plate.
The mounting plate is arranged to be a complete plate, so that the air conditioner surge state detection device is simpler in structure.
Further, the mounting panel comprises the sub-mounting panel that the polylith concatenation was assembled together, every be fixed with many evenly spaced on the sub-mounting panel silk thing, the one end of silk thing is fixed evenly spaced on the sub-mounting panel, the other end relies on the gravity of self freely to hang down to can produce the swing under the effect of air current.
The mounting panel comprises the sub-mounting panel that the polylith concatenation was assembled together, can make this application air conditioner surge state detection device's whole length can be set for according to the measuring needs, makes air conditioner surge state detection device uses more conveniently, and application scope is wider.
Furthermore, the sub-mounting plates comprise plate bodies, and clamping portions and inserting portions which are oppositely arranged at two ends of each plate body, wherein the inserting portions can be inserted into the clamping portions on the adjacent sub-mounting plates to connect the two adjacent sub-mounting plates together.
The sub-mounting plates, the clamping parts and the inserting parts 3 are arranged, so that the sub-mounting plates can be spliced conveniently and quickly, the length of the air conditioner surge state detection device is variable, the detection range can be flexibly adjusted, and the air conditioner surge state detection device is more flexible to use.
Further, the length of the mounting plate is marked as L1, the length of the air outlet is marked as L7, and then the L1 is less than or equal to L7 x 80%.
This enables the length L1 of the mounting plate to approach or cover the entire length L7 of the air conditioner outlet to reflect the change in the outlet airflow of the air conditioner outlet as a whole.
Furthermore, the length of the filament hanging from the lower end of the mounting plate is marked as L2, and the height of the air outlet is marked as L6, so that the L6 is equal to or greater than 1/2, the L2 is equal to or less than 6 is equal to or less than 3/2.
If the length L2 of the filament is too small, most of the outlet airflow of the air outlet will be discharged from the area not covered by the filament, and a small amount of outlet airflow will be discharged through the gap between the filaments, at this time, although the swing of the filament can reflect the outlet airflow change of the air outlet to some extent, the accuracy is low; in addition, if the length L2 of the filament is too large, and the portion exceeding the air outlet height L6 is too long, at this time, the self weight of the filament is large, and the lower ends of the different filaments are likely to collide and wind each other, which also affects the accurate reflection of the air conditioner surge state detection device on the air conditioner surge state.
Further, an adhesion device is arranged on the mounting plate, and the mounting plate is adhered above the air outlet through the adhesion device.
Through the adhesion device can with the mounting panel conveniently adheres in the air outlet top of air conditioner, does not cause the injury to the panel of air conditioner simultaneously.
Further, the adhering means may be a double-sided tape adhered to one side of the mounting plate or a suction cup fixed to one side of the mounting plate.
Through setting up double faced adhesive tape or sucking disc, during the test, can so the mounting panel can be stably the adhesion be in the air outlet top, just double faced adhesive tape and sucking disc have economy easily obtained, convenient to use's advantage.
Furthermore, the mounting plate is made of PVC or ABS; the silk-shaped material is polyethylene or terylene.
The PVC and ABS materials have the advantages of light weight and high strength, and can be used for the air conditioner surge state detection device, so that the mounting plate has higher overall strength and is more durable; in addition, because the surge state detection of the air conditioner is usually carried out at higher temperature and/or humidity, and the polyethylene and the polyester material have good high-temperature resistance, high-humidity resistance, water resistance and corrosion resistance, the influence of the environmental temperature and humidity on the filaments can be reduced by preparing the filaments from the polyethylene or the polyester material.
To sum up, this application air conditioner surge state detection device not only can produce surge phenomenon to the air conditioner and carry out qualitative judgement, can also pass through the swing condition of filament changes and judges surging degree power, surging degree power quantitatively, in addition, still has simple structure, easy preparation, with low costs, convenient to use, the result presents directly perceived, accurate, economic efficient advantage.
Drawings
FIG. 1 is a schematic front view of an air conditioner surge condition detection device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a top view of an air conditioner surge condition detection device according to an embodiment of the present invention;
fig. 3 is a schematic side view of an air conditioner surge condition detection device according to an embodiment of the present invention.
Description of reference numerals:
1-mounting plate, 10-sub-mounting plate, 11-plate body, 12-clamping part, 13-inserting part, 2-filament and 3-air outlet.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
As shown in fig. 1 to 3, the surge state detection device of the air conditioner comprises a mounting plate 1 and a plurality of filaments 2, wherein one ends of the filaments 2 are fixed on the mounting plate 1 at uniform intervals, and the other ends of the filaments hang down freely by the gravity of the filaments and can swing under the action of air flow.
Air conditioner surge state detection device come to carry out the visual reflection to the change of the air-out air current of air conditioner air outlet 3 through setting up many can be along with wind wobbling silk 2, through whether the swing condition of silk 2 not only can produce surge phenomenon to the air conditioner and carry out qualitative judgement, can also pass through the change of the swing condition of silk 2 carries out audio-visual reflection to the difference of surge degree between same air conditioner different positions, different moments surge degree and change or different air conditioners, and the measurement personnel is through right the change of the swing condition of silk 2 is surveyd, can judge the difference of the change of same air conditioner different positions, different moments surge degree and different air conditioners surge degree quantitatively.
In addition, the air conditioner surge state detection device still have simple structure, easy preparation, with low costs, convenient to use, result present directly perceived, accurate, economic efficient advantage.
Further, when the surge state of the air conditioner is detected, the mounting plate 1 is fixed above an air outlet 3 of an indoor unit of the air conditioner, and the filament 2 freely hangs down from the mounting plate 1 and then covers the air outlet 3.
Air conditioner surge state detection device pass through mounting panel 1 is many filiform 2 hangs in air outlet 3 department of air conditioner, and make filiform 2 can swing under the effect of air-out air current in air conditioner air outlet 3, when the air conditioner is normal when blowing out, 3 exhaust air current at air outlet are stable, filiform 2 is blown by air-out air current, and is different 2 produced swing amplitude and direction are unanimous and fixed, and when the surge phenomenon appears in the air conditioner, 3 exhaust air current fluctuation of air outlet is indefinite, filiform 2 is blown by air-out air current, will produce the uncertain swing of direction and amplitude size, from this, can pass through whether the air conditioner has produced surge phenomenon along with the wobbling condition of wind was judged to filiform 2. On the basis, the surge state difference between different positions of the air conditioner air outlet 3 can be judged by comparing the swing conditions of the filaments 2 at different positions of the air conditioner air outlet 3. In addition, the difference of the surge degree of the same air conditioner outlet 3 at different times can be judged by comparing the swing conditions of the filaments 2 at different times and at the same position of the air conditioner outlet 3. And judging the difference of the surge degrees between the air outlets 3 of different air conditioners by comparing the swing conditions of the filaments 2 at different moments or at the same moment of the air outlets 3 of different air conditioners. Generally, the judgment criteria of the air conditioner surge state detection device described in the present application are: if the oscillation frequency or oscillation amplitude of the filament 2 in a certain local area is inconsistent with the oscillation frequency or oscillation amplitude of the filament 2 as a whole, judging that the surging phenomenon occurs in the local area; if the integral filaments 2 are randomly swung, judging that the whole air outlet 3 has surging; the comparison of the surge degree is determined by the oscillation amplitude of the filament 2, and generally, the greater the oscillation amplitude of the filament 2, the greater the surge degree; the change in the degree of surge can also be determined by the amplitude of oscillation of the filament 2, and generally, an increase in the amplitude of oscillation of the filament 2 indicates a greater degree of surge, whereas a decrease in the degree of surge is indicated.
Further, the mounting plate 1 is made of plastic, such as PVC (polyvinyl chloride) or ABS (acrylonitrile butadiene styrene) material. PVC and ABS material have the advantage that matter is light, intensity is high, be used for air conditioner surge state detection device can make its bulk strength higher, more durable.
Further, as shown in fig. 1, the length of the mounting plate 1 is denoted as L1, and the length of the air outlet 3 is denoted as L7, then 80% of the length L7 of the air outlet 3 is equal to or less than the length L1 of the mounting plate 1, so that the length L1 of the mounting plate 1 can approach or completely cover the entire length L7 of the air outlet 3 of the air conditioner, and the change of the air outlet flow of the air outlet 3 of the air conditioner is integrally reflected.
Preferably, the length L7 of the air outlet 3 is less than or equal to the length L1 of the mounting plate 1.
As some embodiments of the present application, the mounting plate 1 may be a complete plate, and the length L1 of the mounting plate 1 is greater than or equal to the length L7 of the air conditioner outlet 3.
As some embodiments of the present application, the mounting plate 1 may further include a plurality of sub-mounting plates 10 assembled together by splicing, each sub-mounting plate 10 has a plurality of filaments 2 fixed thereon at regular intervals, one end of each filament 2 is fixed on the sub-mounting plate 10 at regular intervals, and the other end of each filament 2 hangs down freely by its own gravity and can swing under the action of the air flow.
Further, as shown in fig. 1, the lengths of the sub-mount plates 10 are denoted by L5, and the lengths L5 of the sub-mount plates 10 may be equal or different.
Furthermore, the sub-mounting plate 10 comprises a plate body 11, and a clamping portion 12 and an inserting portion 13 which are oppositely arranged at two ends of the plate body 11, wherein the inserting portion 13 can be inserted into the clamping portion 12 of the adjacent sub-mounting plate 10 to connect the two adjacent sub-mounting plates 10 together.
As some embodiments of the present application, the insertion portion 13 is a protrusion located at one end of the board body 11, and correspondingly, the clamping portion 12 is a groove located at the other end of the board body 11.
The sub-mounting plate 10, the clamping portion 12 and the inserting portion 13 are arranged, so that the length of the air conditioner surge state detection device can be changed, the detection range can be flexibly adjusted, and the air conditioner surge state detection device is more flexible to use.
Further, as shown in fig. 1, when the length of the filament 2 hanging down from the lower end of the mounting plate 1 is denoted as L2, and the height of the air outlet 3 is denoted as L6, the length L2 of the filament 2 of the air outlet 3, which is equal to or less than the height L6 of the air outlet 3, is equal to or less than 3/2 of the air outlet 3, which is equal to or less than the height L6 of the air outlet 3, and when the length L2 of the filament 2 is too small, most of the air flow exiting from the air outlet 3 is discharged from an area not covered by the filament 2, and a small amount of air flow exits through the gap between the filaments 2, in this case, although the swing of the filament 2 can reflect the change in the air flow exiting from the air outlet 3 to some; in addition, if the length L2 of the filament 2 is too large, and the portion exceeding the height L6 of the air outlet 3 is too long, the self weight of the filament 2 is large, and the lower ends of the different filaments 2 are likely to collide and entangle with each other, which also affects the accurate reflection of the air conditioner surge state by the air conditioner surge state detection device.
Further, the filament 2 is made of polyethylene or polyester materials, detection of the surge state of the air conditioner is usually carried out at high temperature and/or high humidity, the polyethylene and the polyester materials have good high-temperature resistance, high-humidity resistance, water resistance and corrosion resistance, and the influence of the environmental temperature and humidity on the filament 2 can be reduced by making the filament 2 of the polyethylene or polyester materials.
Preferably, the distance between two adjacent filaments 2 is recorded as L4, and the value range of the L4 is 1-10 mm.
More preferably, the L4 is 5 mm.
Preferably, the weight of the filament 2 is set properly, and particularly, when the flow speed of the air outlet flow of the air outlet 3 increases or decreases by 0.1m/h, the change of the swing angle of the filament 2 is more than or equal to 0.1 degree.
Further, the height of the mounting plate 1 is recorded as L3, and the value range of the L3 is 3-30 cm.
Further, set up the adhesion device on the mounting panel 1, through the adhesion device can with mounting panel 1 adhesion is in 3 tops of the air outlet of air conditioner conveniently, does not cause the injury to the panel of air conditioner simultaneously.
As some embodiments of the present application, the adhering device may be a double-sided adhesive tape adhered to one side of the mounting plate 1, and the mounting plate 1 is stably adhered above the air outlet 3 through the double-sided adhesive tape during testing.
As some embodiments of the present application, the adhesion device may also be a suction cup fixed on one side of the mounting plate 1, and during testing, the mounting plate 1 is stably adsorbed above the air outlet 3 through the suction cup.
To sum up, this application air conditioner surge state detection device not only can produce surge phenomenon to the air conditioner and carry out qualitative judgement, can also pass through the swing condition of silk 2 changes and judges surging degree power, surging degree power quantitatively, in addition, still has simple structure, easy preparation, with low costs, convenient to use, the result presents directly perceived, accurate, economic efficient advantage.
Although the present invention is disclosed above, the present invention is not limited thereto. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The air conditioner surge state detection device is characterized by comprising a mounting plate (1) and a plurality of filaments (2), wherein one ends of the filaments (2) are uniformly fixed on the mounting plate (1) at intervals, and the other ends of the filaments hang down freely by means of self gravity and can swing under the action of air flow.
2. The surge condition detection device of the air conditioner according to claim 1, wherein the mounting plate (1) is fixed above the air outlet (3) of the indoor unit of the air conditioner, and the filament (2) is freely suspended from the mounting plate (1) and then covers the air outlet (3) when the surge condition of the air conditioner is detected.
3. The surge condition detection device of claim 1, wherein said mounting plate (1) is a complete one-piece plate.
4. The surge condition detection device of the air conditioner according to claim 1, wherein the mounting plate (1) is composed of a plurality of sub-mounting plates (10) which are spliced and assembled together, a plurality of filaments (2) are fixed on each sub-mounting plate (10) at uniform intervals, one ends of the filaments (2) are fixed on the sub-mounting plates (10) at uniform intervals, and the other ends of the filaments hang down freely by means of self gravity and can swing under the action of air flow.
5. The surge condition detection device of the air conditioner according to claim 4, wherein the sub-mounting plates (10) comprise a plate body (11) and a clamping portion (12) and an inserting portion (13) which are oppositely arranged at two ends of the plate body (11), and the inserting portion (13) can be inserted into the clamping portion (12) on the adjacent sub-mounting plate (10) to connect the two adjacent sub-mounting plates (10) together.
6. The air conditioner surge condition detection device according to claim 2, wherein when the length of the mounting plate (1) is denoted as L1, and the length of the air outlet (3) is denoted as L7, the L7 is 80% to L1.
7. The surge condition detection device of the air conditioner according to claim 2, wherein the length of the filament (2) hanging from the lower end of the mounting plate (1) is denoted as L2, and the height of the air outlet (3) is denoted as L6, so that L6 × 1/2 is not less than L2 is not less than L6 × 3/2.
8. The surge condition detection device of the air conditioner according to claim 2, wherein an adhesion means is provided on the mounting plate (1), by which the mounting plate (1) is adhered above the outlet port (3).
9. The surge condition detection device of the air conditioner according to claim 8, wherein the adhesion means may be a double-sided tape adhered to one side of the mounting plate (1) or a suction cup fixed to one side of the mounting plate (1).
10. The surge condition detection device of the air conditioner according to claim 1, wherein the material of the mounting plate (1) is PVC or ABS; the silk-shaped object (2) is made of polyethylene or terylene.
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| CN201911364748.9A CN113049088A (en) | 2019-12-26 | 2019-12-26 | Air conditioner surge state detection device |
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| CN107676284A (en) * | 2017-08-23 | 2018-02-09 | 太原理工大学 | A kind of fan blade adjusting means, counter-rotating fan and fan blade adjusting method |
| CN107677364A (en) * | 2017-10-10 | 2018-02-09 | 奥克斯空调股份有限公司 | Air-conditioning surge method of testing and system |
| CN207280588U (en) * | 2017-10-10 | 2018-04-27 | 奥克斯空调股份有限公司 | System is tested in air-conditioning surge |
| CN209042707U (en) * | 2018-11-19 | 2019-06-28 | 奥克斯空调股份有限公司 | A kind of the air-flow adjustment structure and air conditioner in air duct |
| CN211651820U (en) * | 2019-12-26 | 2020-10-09 | 宁波奥克斯电气股份有限公司 | Air conditioner surge state detection device |
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