CN219798432U - Air outlet air quantity measuring unit and air outlet air quantity experimental device - Google Patents
Air outlet air quantity measuring unit and air outlet air quantity experimental device Download PDFInfo
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- CN219798432U CN219798432U CN202320801779.1U CN202320801779U CN219798432U CN 219798432 U CN219798432 U CN 219798432U CN 202320801779 U CN202320801779 U CN 202320801779U CN 219798432 U CN219798432 U CN 219798432U
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- 238000012360 testing method Methods 0.000 claims abstract description 27
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- 229910000926 A-3 tool steel Inorganic materials 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 3
- 235000019506 cigar Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses an air outlet air quantity measuring unit and an air outlet air quantity experimental device, which are used for measuring the air quantity of each air outlet of an automobile air conditioner box, and comprise the following components: the first end of the test static pressure box is connected with the tested air port through a connecting hose; the first end of the air quantity measuring sensor is connected with the first end of the test static pressure box through a first air pipe, and the second end of the air quantity measuring sensor is connected with the variable speed fan through a second air pipe; and the electric signal interface receives an external electric signal to enable the variable speed fan to output different air volumes. The utility model has the advantages that the air quantity of each air outlet of the automobile air-conditioning box can be conveniently and simultaneously measured, the independent operation of multiple channels can be suitable for the air-conditioning box test of different automobile types, the accuracy of the test result is ensured, the operation is stable and reliable, the efficiency is high, and the maintenance is convenient.
Description
Technical Field
The utility model relates to the field of air conditioners, in particular to an air outlet air quantity measuring unit and an air outlet air quantity experimental device for testing air quantity of each air outlet of an HVAC (heating, ventilation and air conditioning) of an automobile air conditioning box.
Background
The rapid development of the automobile industry brings new opportunities for the development of the related industry of automobiles, and simultaneously faces various new challenges. As an important component of fuel vehicles and new energy vehicles, automotive air conditioners are not only related to driving safety but also to comfort of drivers and passengers. The design of the automobile air conditioning box is taken as an important link of the design of the automobile air conditioner, and the distribution of the air quantity of each air outlet is closely related to the air conditioning performance and the temperature uniformity of the passenger cabin. In the past research and development testing process, more attention is paid to the total air inlet volume of the air conditioner box, and the testing of the air inlet volume of each outlet is also carried out by adopting single-channel measuring equipment, so that the problems of inconsistent outlet state and aging and the like exist in the testing. Therefore, in order to solve the above problems, when the air volume test experiment of each air outlet of the automobile air conditioner box is performed, the state and static pressure of each air outlet are ensured to be consistent, and simultaneous measurement is performed.
Chinese patent CN202221185671.6 provides an air conditioner air outlet air quantity measuring device, including collecting anchor clamps, steady wind changeover portion, air flow sensor, three terminal voltage stabilizer, on-vehicle strong start power, on-vehicle cigar lighter equipment plug, the universal meter, liftable device support frame and air flow sensor fixed bolster, the anchor clamps are used for collecting the wind of air outlet department, steady wind changeover portion, air flow sensor, three terminal voltage stabilizer's matching is used for measuring the electric signal value of air flow and velocity of flow, on-vehicle strong start power, on-vehicle cigar lighter equipment plug is used for supplying power for the circuit in the device, the universal meter is used for reading out the frequency value that the survey, air flow sensor's position fixing is used for to the air flow sensor to the air quantity, the device support frame is used for fixing testing arrangement's centre gripping. This scheme structure is complicated, is difficult for arranging, and can only measure air outlet one by one.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an air outlet air quantity measuring unit which has a simple structure, is convenient to arrange and can measure the air quantity of each air outlet of an automobile air conditioner box.
And an air outlet air volume experimental device with the air outlet air volume measuring unit.
In order to solve the technical problems, the air outlet air volume measuring unit provided by the utility model is used for measuring the air volume of each air outlet of an automobile air conditioner box, and comprises:
a test static pressure tank 121, a first end of which is connected to the measured tuyere through a connection hose 128;
the first end of the air volume measuring sensor 122 is connected with the first end of the test static pressure box 121 through a first air pipe, and the second end of the air volume measuring sensor is connected with the variable speed fan 126 through a second air pipe 124;
an electrical signal interface 127 that receives an external electrical signal to cause the variable speed fan 126 to output different amounts of air.
Optionally, the air outlet air volume measuring unit is further improved, and further includes:
an air volume adjusting valve 123, which is provided between the air volume measuring sensor 122 and the variable speed fan 126, receives an external electric signal to form different opening degrees.
Optionally, the air outlet air volume measuring unit is further improved, and the air volume adjusting valve 123 is an electric adjusting valve, a pneumatic adjusting valve or a needle valve.
Optionally, the air outlet air volume measuring unit is further improved, and further includes:
a shock hose 125 connected between the second air duct 124 and the variable speed fan 126.
Optionally, the air outlet air volume measuring unit is further improved, and the test static pressure box 121 is made of stainless steel, A3 steel, aluminum alloy or acrylic plate material.
Optionally, the air outlet air volume measuring unit is further improved, and the air volume measuring sensor 122 is an aspect ratio nozzle combination device, a vortex shedding flowmeter, an electromagnetic flowmeter or a venturi tube.
Optionally, the air outlet air volume measuring unit is further improved, and the variable speed fan 126 is a variable frequency speed fan, a PWM control fan or an analog control fan.
In order to solve the technical problems, the utility model provides an air outlet air quantity experimental device, which comprises:
a signal cabinet 11 for outputting an electrical signal to the electrical signal interface 127;
an air outlet air volume measuring unit 12, which is an air outlet air volume measuring unit according to any one of claims 1 to 7, and is connected to the detected air outlet, wherein n is not less than 2.
Optionally, the air outlet air volume experimental device is further improved, n air outlet air volume measuring units 12 are formed, each air outlet air volume measuring unit 12 is connected with different measured air outlets, and each air outlet air volume measuring unit 12 can receive different external electric signals, and n is more than or equal to 2.
In the preferred embodiment of the utility model, an air volume measuring sensor 122 is arranged at the test static pressure box 121, and the test static pressure box 121 is connected with the air volume measuring sensor 122 by adopting a connection second air pipe 124; the air volume measuring sensor 122 is connected with the air volume regulating valve 123 by adopting a second air pipe 124; the second air pipe 124 is connected with the shock absorbing hose 125 and the variable speed fan 126, so that an air outlet air volume measuring unit 12 is formed, a plurality of air outlet air volume measuring units 12 can be selectively designed according to the number of air outlets of the air conditioner box body to be measured, the air outlet air volume experimental device is formed by installing and combining the air outlet air volume measuring units, and finally, each air outlet of a test sample is connected with the test static pressure box 121 by adopting the sample connecting hose 128 to form a measuring loop. Then, the tested air conditioner is powered on and ventilated, the device is started to operate, and an external signal source such as a computer 113 sends out a control instruction, and the computer 113 displays and prints a test experiment data report, so that the aim of experiment on measuring the air quantity of each air outlet of the HVAC (heating, ventilation and air conditioning) of the automobile air conditioner box is finally achieved.
The utility model has the advantages that the air quantity of each air outlet of the automobile air-conditioning box can be conveniently and simultaneously measured, the independent operation of multiple channels can be suitable for the air-conditioning box test of different automobile types, the accuracy of the test result is ensured, the operation is stable and reliable, the efficiency is high, and the maintenance is convenient.
Drawings
The accompanying drawings are intended to illustrate the general features of methods, structures and/or materials used in accordance with certain exemplary embodiments of the utility model, and supplement the description in this specification. The drawings of the present utility model, however, are schematic illustrations that are not to scale and, thus, may not be able to accurately reflect the precise structural or performance characteristics of any given embodiment, the present utility model should not be construed as limiting or restricting the scope of the numerical values or attributes encompassed by the exemplary embodiments according to the present utility model. The utility model is described in further detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic diagram of an air outlet air volume measuring unit.
Fig. 2 is a schematic structural diagram of an air outlet air quantity experimental device.
Description of the reference numerals
Test static pressure box 121
Air volume measuring sensor 122
Second air duct 124
Shock absorbing hose 125
Variable speed fan 126
Electric signal interface 127
Connection hose 128
Is detected at the tuyere 2.
Detailed Description
Other advantages and technical effects of the present utility model will become more fully apparent to those skilled in the art from the following disclosure, which is a detailed description of the present utility model given by way of specific examples. The utility model may be practiced or carried out in different embodiments, and details in this description may be applied from different points of view, without departing from the general inventive concept. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. The following exemplary embodiments of the present utility model may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solution of these exemplary embodiments to those skilled in the art. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the several views.
A first embodiment;
referring to fig. 1, the present utility model provides an air outlet air volume measuring unit for measuring air volume of each air outlet of an automobile air conditioner, comprising:
a test static pressure box 121, the first end of which is connected with the tested tuyere 2 through a connecting hose 128;
the first end of the air volume measuring sensor 122 is connected with the first end of the test static pressure box 121 through a first air pipe, and the second end of the air volume measuring sensor is connected with the variable speed fan 126 through a second air pipe 124;
an electrical signal interface 127 that receives an external electrical signal to cause the variable speed fan 126 to output different amounts of air.
With continued reference to fig. 1, the first embodiment is further improved, and the same parts are not repeated, and further include:
an air volume adjusting valve 123, which is provided between the air volume measuring sensor 122 and the variable speed fan 126, receives an external electric signal to form different opening degrees.
Alternatively, the air volume adjusting valve 123 in the above-described first embodiment is an electric adjusting valve, a pneumatic adjusting valve, or a needle valve;
alternatively, the test static pressure tank 121 in the first embodiment described above is made of stainless steel, A3 steel, aluminum alloy, or acrylic plate material.
Alternatively, the air volume measuring sensor 122 in the above-described first embodiment is an aspect ratio nozzle assembly, a vortex shedding flowmeter, an electromagnetic flowmeter, or a venturi tube.
Alternatively, the variable speed fan 126 in the first embodiment described above is a variable frequency speed fan, a PWM control fan, or an analog control fan.
With continued reference to fig. 1, the first embodiment is further improved, and the same parts are not repeated, and further include:
a shock hose 125 connected between the second air duct 124 and the variable speed fan 126.
Furthermore, it will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments of the present utility model.
Second embodiment
Referring to fig. 2, the air outlet air volume experimental device of the present utility model comprises:
a signal cabinet 11 for outputting an electrical signal to the electrical signal interface 127;
an air outlet air volume measuring unit 12, which is any one of the air outlet air volume measuring units described above, and is connected to the detected air outlet, wherein n is greater than or equal to 2;
n air outlet air volume measuring units 12 are formed, each air outlet air volume measuring unit 12 is connected with different detected air outlets, each air outlet air volume measuring unit 12 can receive different external electric signals, and n is more than or equal to 2.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present utility model has been described in detail by way of specific embodiments and examples, but these should not be construed as limiting the utility model. Many variations and modifications may be made by one skilled in the art without departing from the principles of the utility model, which is also considered to be within the scope of the utility model.
Claims (9)
1. An air outlet amount measuring unit for measuring the air amount of each air outlet of an automobile air conditioner box is characterized by comprising:
a test static pressure box (121) with a first end connected with the tested tuyere through a connecting hose (128);
the first end of the air volume measuring sensor (122) is connected with the first end of the test static pressure box (121) through a first air pipe, and the second end of the air volume measuring sensor is connected with the variable speed fan (126) through a second air pipe (124);
and an electric signal interface (127) which receives an external electric signal to enable the variable speed fan (126) to output different air volumes.
2. The air outlet air volume measuring unit according to claim 1, further comprising:
and an air volume adjusting valve (123) which is arranged between the air volume measuring sensor (122) and the variable speed fan (126) and receives external electric signals to form different opening degrees.
3. The air outlet air quantity measuring unit according to claim 2, wherein:
the air quantity regulating valve (123) is an electric regulating valve, a pneumatic regulating valve or a needle valve.
4. The air outlet air volume measuring unit according to claim 1, further comprising:
and a shock absorbing hose (125) connected between the second air duct (124) and the variable speed fan (126).
5. The air outlet air quantity measuring unit according to claim 1, wherein:
the test static pressure box (121) is made of stainless steel, A3 steel, aluminum alloy or acrylic plate materials.
6. The air outlet air quantity measuring unit according to claim 1, wherein:
the air volume measuring sensor (122) is an aspect ratio nozzle combination device, a vortex shedding flowmeter, an electromagnetic flowmeter or a venturi tube.
7. The air outlet air quantity measuring unit according to claim 1, wherein:
the variable speed fan (126) is a variable frequency speed fan, a PWM control fan or an analog control fan.
8. An air outlet amount of wind experimental apparatus, its characterized in that includes:
a signal cabinet (11) for outputting an electrical signal to an electrical signal interface (127);
an air outlet air volume measuring unit (12) which is an air outlet air volume measuring unit according to any one of claims 1 to 7 and is connected to the detected air outlet, wherein n is more than or equal to 2.
9. The air outlet air quantity experimental device according to claim 8, wherein: n air outlet air volume measuring units (12) are formed, each air outlet air volume measuring unit (12) is connected with different detected air outlets, and each air outlet air volume measuring unit (12) can receive different external electric signals, and n is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320801779.1U CN219798432U (en) | 2023-04-12 | 2023-04-12 | Air outlet air quantity measuring unit and air outlet air quantity experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320801779.1U CN219798432U (en) | 2023-04-12 | 2023-04-12 | Air outlet air quantity measuring unit and air outlet air quantity experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798432U true CN219798432U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320801779.1U Active CN219798432U (en) | 2023-04-12 | 2023-04-12 | Air outlet air quantity measuring unit and air outlet air quantity experimental device |
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| Country | Link |
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| CN (1) | CN219798432U (en) |
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2023
- 2023-04-12 CN CN202320801779.1U patent/CN219798432U/en active Active
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