CN109781362A - A kind of ventilation and air conditioning system air quantity air leak test device - Google Patents
A kind of ventilation and air conditioning system air quantity air leak test device Download PDFInfo
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- CN109781362A CN109781362A CN201910181684.2A CN201910181684A CN109781362A CN 109781362 A CN109781362 A CN 109781362A CN 201910181684 A CN201910181684 A CN 201910181684A CN 109781362 A CN109781362 A CN 109781362A
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Abstract
The present invention relates to detection of air-conditioning fields, specifically disclose a kind of ventilation and air conditioning system air quantity air leak test device, including shell, air inlet flange, connector flange and booster pump；Air inlet flange, connector flange are respectively fixedly disposed at the left and right ends of shell；Booster pump is installed in the left end of the shell, air inlet mouth is communicated on the center of air inlet seal closure, enters the wind the check valve being equipped on mouth towards right side, the barometer for detecting air pressure inside is provided in shell；Volume expanded device is provided in the shell.The present invention by detecting pressure by provide pressure in air hose, judging that the situation of leaking out of air hose, the precise measurement of pressure may insure the accuracy of testing result；Air pressure inside can be changed by can be manually rotated adjusting bolt, improving internal pressure, convenient for adjusting internal pressure, be also able to carry out repeated detection without frequently opening booster pump, easy to operate, quickening air-conditioning system air leak test works.
Description
Technical field
The present invention relates to detection of air-conditioning field, specifically a kind of ventilation and air conditioning system air quantity air leak test device.
Background technique
Inleakage under operating pressure, by air hose body construction and its interface, is rushed down in the unit time in air-line system
Out or penetrate into air body accumulated amount.Country is in code for acceptance of construction quality of conditioning works using energy conservation as master control pair
As, it is desirable that air-line system air leakage rate check, and current air pipe air leakage testing device is mainly pressed by blower, flow controller, survey
The equipment such as instrument composition.
A kind of Chinese patent (notification number: 207248256 U of CN) pipeline air leakage rate check device, detection pipe are tightly connected
Tested air hose, first by reversal valve be adjusted to shown in circuit, start blower, observe the reading of pressure difference meter, adjust frequency converter,
Until reaching required static pressure in air hose.Reconvert reversal valve is adjusted to other primary Ioops, measuring diaphragm flowmeter front and back two
The pressure difference at end, pressure difference are read from pressure difference meter, finally by the inleakage for tabling look-up or being calculated tested air hose, test
Process is relatively simple, conveniently.It is to carry out air leakage rate check in the dynamic case, and influence factor is more, especially the work of blower
With therefore, it is necessary to design more accurate air leakage rate check device.
Summary of the invention
The purpose of the present invention is to provide a kind of ventilation and air conditioning system air quantity air leak test devices, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of ventilation and air conditioning system air quantity air leak test device, including shell, air inlet flange, connector flange and booster pump；
The shell is tubular structure, and air inlet flange, connector flange are respectively fixedly disposed at the left and right ends of shell, outside air
It is entered in shell from air inlet flange, one end of connector flange is sealedly connected in the air hose for needing to detect；The shell
Left end in booster pump is installed, sealing connection air inlet seal closure, enters the wind center and the shell of seal closure on the right side of booster pump
Center overlapping of axles, be communicated with air inlet mouth on the center of air inlet seal closure, enter the wind the check valve being equipped on mouth towards right side,
Make to enter the wind the right side that the gas on the left of seal closure enters air inlet seal closure, increases air pressure to enter the wind the right side of seal closure, improve
Internal air pressure, is provided with the barometer for detecting air pressure inside in shell, is in the situation detection of internal pressure abundance
It is no to have situation of leaking out；Volume expanded device is provided in the shell.
Further: the volume expanded device includes telescopic expansion pipe and the scissor knot for adjusting left and right distance
Structure, the material for expanding pipe is rubber, is sealing structure in expansion pipe, is not connected to in shell, accounts for after stretching expansion in expansion pipe
Volume increases, so that internal pressure improves, adjusts internal pressure, detects the pressure of internal synchronization, root
According to different air pressures, internal situation of leaking out can be more fully detected.
Further: the left end of the expansion pipe is connected to the fixed plate being fixed in inner walls, consolidates in other end
Surely it is connected with the connecting plate that can be moved left and right, the length for expanding pipe is changed by moving left and right for connecting plate.
Further: the fixed plate, expansion pipe, connecting plate are provided with two groups, and are symmetrical set, described in two
Connecting plate between scissor structure is set, be connected with drawing plate on the left and right ends of scissor structure, drawing plate is fixed with connecting plate
The distance in the horizontal direction of connection, scissor structure is adjusted, and can change the position of connecting plate, to realize stretching for expansion pipe
Contracting.
Further: the midpoint lower end of the scissor structure is fixedly connected with the support base on housing bottom, passes through branch
Seat supports scissor structure is supportted, sealed set has seal closure, seal closure and shell in the corresponding case top in the surface of support base
Weld together, horizontal sealing plate is fixedly welded on the bottom in seal closure, sealing plate is able to maintain lower section sealing, makes it
It will not be connected to up and down, smooth shaft is equipped in sealing plate, is provided with and is fixed on sealing plate between smooth shaft and sealing plate
Gasket, smooth shaft are passed through out of gasket, and smooth shaft is still able to maintain internal sealing effect during moving up and down
Fruit；The upper end of smooth shaft is fixed with the adjusting bolt that screw thread is pierced by the top of seal closure, is connected by adjusting bolt and seal closure screw thread
It connects, rotation, which adjusts bolt, can change the height for adjusting bolt, so that smooth shaft be driven to move up and down；It is solid in the lower end of smooth shaft
Surely there is bearing, the lower end of bearing is coaxially connected with connecting rod, and smooth shaft and connecting rod relatively rotate, and move up and down connecting rod only can,
Its height is adjusted, the lower end of connecting rod is fixedly connected in scissor structure, is applied power on vertical direction to scissor structure, is realized scissor
Structure is stretched.
It is further: exhaust valve is installed on the right end of the shell, it will be interior by opening exhaust valve after detection
The gas in portion is discharged.
Further: coiling has a support spring on the inner wall of the expansion pipe, and the left and right ends of support spring are solid respectively
Be scheduled in fixed plate and connecting plate, support spring can support expansion manage, avoid expansion pipe be stretched after due to external pressure and
It squeezes inwardly, guarantees that its enough volume increases, improve supercharging effect.
Compared with prior art, the beneficial effects of the present invention are: the present invention is by passing through detection to provide pressure in air hose
Pressure judges that the situation of leaking out of air hose, the precise measurement of pressure may insure the accuracy of testing result；It is adjusted by can be manually rotated
Section bolt can change air pressure inside, improve internal pressure, convenient for adjusting internal pressure, be also able to carry out repeated detection without
Booster pump is frequently opened, it is easy to operate, accelerate the work of air-conditioning system air leak test.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ventilation and air conditioning system air quantity air leak test device.
Fig. 2 is the enlarged structure schematic diagram of A in Fig. 1.
Fig. 3 is the structural schematic diagram of smooth shaft and adjusting bolt in a kind of ventilation and air conditioning system air quantity air leak test device.
Fig. 4 is the structural schematic diagram expanded in pipe in a kind of ventilation and air conditioning system air quantity air leak test device.
In figure: 1- shell, 2- air inlet flange, 3- connector flange, 4- booster pump, 5- enter the wind seal closure, and 6- enters the wind mouth,
7- check valve, 8- exhaust valve, 9- barometer, 10- volume expanded device, 11- fixed plate, 12- expansion pipe, 13- connecting plate, 14-
Drawing plate, 15- scissor structure, 16- support base, 17- connecting rod, 18- bearing, 19- seal closure, 20- gasket, 21- smooth shaft,
22- adjusts bolt, 23- sealing plate, 24- support spring.
Specific embodiment
Embodiment 1
Please refer to figure, in the embodiment of the present invention, a kind of ventilation and air conditioning system air quantity air leak test device, including shell 1, air inlet
Flange 2, connector flange 3 and booster pump 4；The shell 1 is tubular structure, and air inlet flange 2, connector flange 3 are solid respectively
The left and right ends of shell 1 are set calmly, and outside air enters in shell 1 from air inlet flange 2, one end of connector flange 3
It is sealedly connected in the air hose for needing to detect.
Booster pump 4 is installed in the left end of the shell 1, sealing connection air inlet seal closure 5 on the right side of booster pump 4, into
The center of wind seal closure 5 and the center overlapping of axles of shell 1 are communicated with air inlet mouth 6 on the center of air inlet seal closure 5, enter the wind mouth 6
On check valve 7 towards right side is installed, so that the gas for entering the wind 5 left side of seal closure is entered the right side of air inlet seal closure 5, for into
The right side of wind seal closure 5 increases air pressure, improves internal air pressure, exhaust valve 8 is equipped on the right end of shell 1, ties in detection
Internal gas is discharged by opening exhaust valve 8 after beam；The barometer 9 for detecting air pressure inside is provided in shell 1,
Situation of leaking out has been detected whether in the situation of internal pressure abundance.
Volume expanded device 10 is provided in the shell 1, volume expanded device 10 includes telescopic expansion pipe 12
With the scissor structure 15 for adjusting left and right distance, it is sealing structure in expansion pipe 12, with shell 1 that the material of expansion pipe 12, which is rubber,
It is not connected to inside, the volume occupied after expansion is stretched in expansion pipe 12 and is increased, so that internal pressure improves, adjust internal pressure
Power detects the pressure of internal synchronization, according to different air pressures, can more fully detect internal situation of leaking out；Expand
The left end for opening pipe 12 is connected to the fixed plate 11 being fixed on 1 inner wall of shell, and being fixedly connected in other end can move left and right
Connecting plate 13, pass through connecting plate 13 move left and right change expansion pipe 12 length；The fixed plate 11, connects expansion pipe 12
Fishplate bar 13 is provided with two groups, and is symmetrical set, and scissor structure 15, scissor knot are arranged between the connecting plate 13 described in two
Drawing plate 14 is connected on the left and right ends of structure 15, drawing plate 14 is fixedly connected with connecting plate 13, scissor structure 15 in level
Distance on direction is adjusted, and can change the position of connecting plate 13, to realize the flexible of expansion pipe 12；In scissor structure 15
Point lower end is fixedly connected with the support base 16 on 1 bottom of shell, supports scissor structure 15 by support base 16, support base 16
Corresponding 1 sealed on top of shell in surface is provided with seal closure 19, and seal closure 19 welds together with shell 1, seal closure 19
Horizontal sealing plate 23 is fixedly welded on interior bottom, sealing plate 23 is able to maintain lower section sealing, be connected to it will not up and down,
It is equipped with smooth shaft 21 in sealing plate 23, the sealing being fixed on sealing plate 23 is provided between smooth shaft 21 and sealing plate 23
Pad 20, smooth shaft 21 are passed through out of gasket 20, and smooth shaft 21 is still able to maintain the close of inside during moving up and down
Seal effect；The upper end of smooth shaft 21 is fixed with the adjusting bolt 22 that screw thread is pierced by the top of seal closure 19, by adjust bolt 22 with
Seal closure 19 is threadedly coupled, and rotation, which adjusts bolt 22, can change the height for adjusting bolt 22, to drive about 21 smooth shaft
It is mobile；It is fixed with bearing 18 in the lower end of smooth shaft 21, the lower end of bearing 18 is coaxially connected with connecting rod 17, smooth shaft 21 and connecting rod
17 relatively rotate, and move up and down connecting rod 17 only can, adjust its height, the lower end of connecting rod 17 is fixedly connected on scissor structure 15
On, power on vertical direction is applied to scissor structure 15, realizes the flexible of scissor structure 15.
When carrying out air leak test, one end of connector flange 3 is connected to the air conditioning wind pipe that needs detect first, air hose
Other end close or keep sealing, start booster pump 4, increase the air pressure in shell 1, can also make air-conditioner wind in this way
Pressure rise in pipe monitors air pressure inside by barometer 9, closes booster pump 4 after so that internal pressure is reached certain value, keeps
Pressure in air hose and shell 1 is static, when have in air hose leak out happen when, internal pressure can reduce, and pass through barometer 9
It can determine the missing amount of pressure；After lacking a period of time, bolt 22 is adjusted by can be manually rotated, is made in scissor structure 15
Portion pulls up, so that the both ends of scissor structure 15 be tensed to midpoint, expansion pipe 12 is stretched, increases its shared volume
Greatly, internal air pressure increases again, makes the internal other pressure value of generation, keeps internal certain pressure to stablize again, again
Pressure missing amount statistics is carried out, not needing to be again turned on booster pump 4 just can quickly adjust internal pressure, swift and convenient to operate.
Embodiment 2
On the basis of embodiment 1, coiling has a support spring 24, the left and right of support spring 24 on the inner wall of the expansion pipe 12
Both ends are separately fixed in fixed plate 11 and connecting plate 13, and support spring 24 can support expansion pipe 12, avoid expansion 12 quilt of pipe
It is squeezed inwardly after stretching due to external pressure, guarantees that its enough volume increases, improve supercharging effect.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of ventilation and air conditioning system air quantity air leak test device, including shell (1), air inlet flange (2), connector flange
(3) and booster pump (4)；The shell (1) is tubular structure, and air inlet flange (2), connector flange (3) are fixedly installed respectively
In the left and right ends of shell (1)；It is characterized in that, be equipped with booster pump (4) in the left end of the shell (1), booster pump (4)
Sealing connection air inlet seal closure (5) on right side, enters the wind the center of seal closure (5) and the center overlapping of axles of shell (1), close entering the wind
It is communicated with air inlet mouth (6) on the center of sealing cover (5), the check valve (7) towards right side is installed, in shell (1) on air inlet mouth (6)
Inside it is provided with the barometer (9) for detecting air pressure inside；Volume expanded device (10) are provided in the shell (1).
2. a kind of ventilation and air conditioning system air quantity air leak test device according to claim 1, it is characterised in that: the volume
Extension fixture (10) includes telescopic expansion pipe (12) and the scissor structure (15) for adjusting left and right distance, and (12) are managed in expansion
Material is rubber.
3. a kind of ventilation and air conditioning system air quantity air leak test device according to claim 2, it is characterised in that: the expansion
The left end of pipe (12) is connected to the fixed plate (11) being fixed on shell (1) inner wall, is fixedly connected with and can control in other end
Mobile connecting plate (13).
4. a kind of ventilation and air conditioning system air quantity air leak test device according to claim 3, it is characterised in that: the fixation
Plate (11), expansion pipe (12), connecting plate (13) are provided with two groups, and are symmetrical set, the connecting plate (13) described in two
Between scissor structure (15) are set, be connected with drawing plate (14) on the left and right ends of scissor structure (15), drawing plate (14) and even
Fishplate bar (13) is fixedly connected.
5. a kind of ventilation and air conditioning system air quantity air leak test device according to claim 4, it is characterised in that: the scissor
The midpoint lower end of structure (15) is fixedly connected with the support base (16) on shell (1) bottom, is cut by support base (16) support
It pitches structure (15), surface corresponding shell (1) sealed on top of support base (16) is provided with seal closure (19), seal closure
(19) it is fixedly welded with horizontal sealing plate (23) on the bottom in, is equipped with smooth shaft (21) in sealing plate (23), it is smooth
It is provided with the gasket (20) being fixed on sealing plate (23) between bar (21) and sealing plate (23), smooth shaft (21) is from gasket
(20) it is passed through in；The upper end of smooth shaft (21) is fixed with the adjusting bolt (22) that screw thread is pierced by the top of seal closure (19), passes through tune
Section bolt (22) is threadedly coupled with seal closure (19)；It is fixed with bearing (18) in the lower end of smooth shaft (21), under bearing (18)
End is coaxially connected with connecting rod (17), and the lower end of connecting rod (17) is fixedly connected on scissor structure (15).
6. according to a kind of any ventilation and air conditioning system air quantity air leak test device of claim 2-5, it is characterised in that: institute
Stating to coil on the inner wall of expansion pipe (12) has a support spring (24), and the left and right ends of support spring (24) are separately fixed at fixation
On plate (11) and connecting plate (13).
7. a kind of ventilation and air conditioning system air quantity air leak test device according to claim 1, it is characterised in that: the shell
(1) exhaust valve (8) are installed on right end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181684.2A CN109781362A (en) | 2019-03-11 | 2019-03-11 | A kind of ventilation and air conditioning system air quantity air leak test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181684.2A CN109781362A (en) | 2019-03-11 | 2019-03-11 | A kind of ventilation and air conditioning system air quantity air leak test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109781362A true CN109781362A (en) | 2019-05-21 |
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ID=66488831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910181684.2A Pending CN109781362A (en) | 2019-03-11 | 2019-03-11 | A kind of ventilation and air conditioning system air quantity air leak test device |
Country Status (1)
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| CN (1) | CN109781362A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440919A (en) * | 1994-08-29 | 1995-08-15 | Spectronics Corporation | Method of introducing leak detection dye into an air conditioning or refrigeration system |
| CN101532901A (en) * | 2009-04-13 | 2009-09-16 | 苏州工业设备安装集团有限公司 | Air leakage amount testing device of clean air conditioning system |
| CN201348557Y (en) * | 2009-01-23 | 2009-11-18 | 广东省建筑科学研究院 | Air leakage rate field test apparatus for air conditioner |
| CN201687044U (en) * | 2010-01-11 | 2010-12-29 | 葛洲坝集团第一工程有限公司 | No-negative-pressure secondary water supply high-level pressure-type water storage tank |
| CN202770606U (en) * | 2012-09-12 | 2013-03-06 | 广东省建筑科学研究院 | Ventilation air-conditioning system air leakage automatic testing device |
| CN103411742A (en) * | 2013-07-29 | 2013-11-27 | 中国五冶集团有限公司 | Method and system for testing tightness of air pressure of air pipe |
| CN206161253U (en) * | 2016-10-21 | 2017-05-10 | 上海峰霸工程技术有限公司 | Air conditioner tuber pipe air leakage detection device |
| CN207248256U (en) * | 2017-05-19 | 2018-04-17 | 中国人民解放军96881部队 | A kind of pipeline air leakage rate check device |
-
2019
- 2019-03-11 CN CN201910181684.2A patent/CN109781362A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5440919A (en) * | 1994-08-29 | 1995-08-15 | Spectronics Corporation | Method of introducing leak detection dye into an air conditioning or refrigeration system |
| CN201348557Y (en) * | 2009-01-23 | 2009-11-18 | 广东省建筑科学研究院 | Air leakage rate field test apparatus for air conditioner |
| CN101532901A (en) * | 2009-04-13 | 2009-09-16 | 苏州工业设备安装集团有限公司 | Air leakage amount testing device of clean air conditioning system |
| CN201687044U (en) * | 2010-01-11 | 2010-12-29 | 葛洲坝集团第一工程有限公司 | No-negative-pressure secondary water supply high-level pressure-type water storage tank |
| CN202770606U (en) * | 2012-09-12 | 2013-03-06 | 广东省建筑科学研究院 | Ventilation air-conditioning system air leakage automatic testing device |
| CN103411742A (en) * | 2013-07-29 | 2013-11-27 | 中国五冶集团有限公司 | Method and system for testing tightness of air pressure of air pipe |
| CN206161253U (en) * | 2016-10-21 | 2017-05-10 | 上海峰霸工程技术有限公司 | Air conditioner tuber pipe air leakage detection device |
| CN207248256U (en) * | 2017-05-19 | 2018-04-17 | 中国人民解放军96881部队 | A kind of pipeline air leakage rate check device |
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Application publication date: 20190521 |
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