CN218542672U - Air blower simulation pressure test system - Google Patents
Air blower simulation pressure test system Download PDFInfo
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- CN218542672U CN218542672U CN202222543465.4U CN202222543465U CN218542672U CN 218542672 U CN218542672 U CN 218542672U CN 202222543465 U CN202222543465 U CN 202222543465U CN 218542672 U CN218542672 U CN 218542672U
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- test tube
- blower
- air
- way pipe
- adjusting bolt
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Abstract
The utility model relates to an air-blower simulation pressure test system in air-blower test technical field, including one end seal the other end can correspond the test tube that communicates with the air-blower owner end of giving vent to anger of awaiting measuring, with the sealed pad of test tube blind end adaptation, with closure plate, the adjusting bolt of test tube blind end adaptation, the test tube blind end is equipped with a plurality of exhaust holes along its even spacer ring of circumference, and the test tube blind end still is equipped with rather than coaxial screw hole. The utility model discloses because sealed pad, closure plate and compression spring's setting has simulated real operating mode, has solved the detection mode among the prior art and has had the difference with real operating mode, causes the fan after detecting qualified easily and can't be adapted to the technical problem of real operating mode.
Description
Technical Field
The utility model relates to an air-blower test technical field especially relates to an air-blower simulation pressure test system.
Background
In sewage treatment, a magnetic suspension blower or a Roots blower is required to be used for ventilating the bottom of sewage, and if the air pressure generated by the blower does not reach a preset pressure, not only can air not enter the sewage, but also the blower can cause a surge phenomenon, so that the pressure generated by the blower needs to be detected during production of the blower.
At present, the existing fan pressure detection is to detect the system pressure in a test pipeline by using a sensor, for example, a chinese patent with publication number CN207036181U discloses a fan air volume and pressure monitoring system; although the mode can prevent the fan from surging, the mode is different from the real working condition, and the fan which is qualified in detection cannot be adapted to the real working condition easily;
for this reason, a blower simulation pressure test system which can simulate real working conditions is provided.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide an air blower simulation pressure test system for solving the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a test system for simulating pressure of a blower comprises a test tube, a sealing gasket, a blocking plate and an adjusting bolt, wherein one end of the test tube is closed, the other end of the test tube can be correspondingly communicated with the main air outlet end of the blower to be tested, the sealing gasket is matched with the closed end of the test tube, the blocking plate is matched with the closed end of the test tube, the closed end of the test tube is annularly provided with a plurality of exhaust holes at uniform intervals along the circumferential direction of the closed end of the test tube, and the closed end of the test tube is also provided with a threaded hole coaxial with the closed end of the test tube; the adjusting bolt screw rod end part penetrates through the blocking plate and the sealing penetrating sealing gasket in a movable mode in sequence, the adjusting bolt screw rod end part is in sealing thread fit with the threaded hole, and the adjusting bolt screw rod body is located between the head of the adjusting bolt screw rod body and the blocking plate and is sleeved with the compression spring in a matched mode.
Preferably, the air-blowing machine further comprises a first one-way valve, wherein the air inlet end of the first one-way valve can be correspondingly communicated with the air outlet end of the air-blowing machine to be tested, and the air outlet end of the first one-way valve is correspondingly communicated with the open end of the testing pipe.
Preferably, the test tube is provided with an air supply device which is correspondingly communicated with the inner cavity of the test tube and can enable the inner cavity of the test tube to have specific air pressure;
the test tube is provided with a pressure detection device capable of detecting the air pressure in the inner cavity of the test tube.
Preferably, still include the second check valve, the air supply equipment end of giving vent to anger corresponds the intercommunication through second check valve and test tube inner chamber.
Preferably, the testing device further comprises a T-shaped three-way pipe, wherein the first opening end of the T-shaped three-way pipe is sequentially and coaxially sleeved on the sealing gasket and the blocking plate, the end of the T-shaped three-way pipe is correspondingly installed at the closed end of the testing pipe, the second opening end of the T-shaped three-way pipe is provided with a silencer, and the first opening end and the third opening end of the T-shaped three-way pipe are coaxial.
Preferably, gaps are formed between the inner wall of the first opening end of the T-shaped three-way pipe and the outer edge portions of the sealing gasket and the blocking plate, and the blocking structure is detachably connected to the third opening end of the T-shaped three-way pipe.
Preferably, the position of the adjusting bolt screw rod body between the compression spring and the blocking plate is sleeved with a gasket in a matching mode.
Preferably, the end face of the closed end of the test tube is vertically provided with a positioning pin which penetrates through the sealing gasket and the blocking plate in a sliding manner.
Has the advantages that:
1. the sealing gasket and the blocking plate are supported by the adjusting bolt, then the sealing gasket and the blocking plate block the exhaust hole by the compression spring, and the sealing gasket and the blocking plate can be pushed only after the test tube reaches a certain air pressure, and the compression spring is compressed again to discharge the gas in the test tube, wherein the sealing gasket, the blocking plate and the compression spring are arranged to simulate real working conditions, so that the technical problem that the fan which is detected to be qualified cannot adapt to the real working conditions easily due to the difference between a detection mode and the real working conditions in the prior art is solved;
2. due to the arrangement of the adjusting bolt, the compression amount of the compression spring can be adjusted, so that the test system can simulate the environments of different working conditions, and the practicability is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention in use;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the airflow in the use state of the present invention;
FIG. 4 is a schematic view of the airflow in another use state of the present invention;
fig. 5 is an enlarged partial sectional view of I in fig. 4.
The reference numerals are explained below:
1. a test tube; 101. an exhaust hole; 102. a threaded hole; 2. a gasket; 3. a blocking plate; 4. adjusting the bolt; 5. a compression spring; 6. a pressure detection device; 7. a first check valve; 8. a gas supply device; 9. a second check valve; 10. a T-shaped three-way pipe; 11. a silencer device; 12. a gasket; 13. and a positioning pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the first embodiment, as shown in fig. 1 to 5, a test system for blower simulated pressure includes a test tube 1 with one closed end and the other end capable of being correspondingly communicated with the main air outlet of a blower to be tested, a sealing gasket 2 adapted to the closed end of the test tube 1, a blocking plate 3 adapted to the closed end of the test tube 1, and an adjusting bolt 4, wherein the closed end of the test tube 1 is circumferentially and uniformly provided with a plurality of exhaust holes 101 at intervals, and the closed end of the test tube 1 is further provided with a threaded hole 102 coaxial with the closed end; the end part of the screw rod end of the adjusting bolt 4 penetrates through the blocking plate 3 and the sealing penetrating sealing gasket 2 in sequence, the end part of the screw rod end of the adjusting bolt 4 is in sealing thread fit with the threaded hole 102, and a compression spring 5 is sleeved on the position, between the head part of the screw rod body of the adjusting bolt 4 and the blocking plate 3, of the screw rod body in a matching manner;
set up like this and can support sealed 2 and closure plate 3 through adjusting bolt 4, then through compression spring 5, make sealed 2 and closure plate 3 of filling up carry out the shutoff to exhaust hole 101, and make and reach certain atmospheric pressure in the test tube 1 after, can just promote sealed 2 and closure plate 3 of filling up, make compression spring 5 compressed once more, the gas outgoing in the test tube 1, wherein because sealed 2, closure plate 3 and compression spring 5's setting, real operating mode air-blower that awaits measuring has been simulated
When the air blower is started, the part of sewage in the sewage bottom air pipe needs to be impacted, and is influenced by the depth of the sewage, so that the air flow generated by the air blower to be detected enters the sewage through the sewage bottom air pipe, and the technical problem that the air blower qualified in detection cannot be adapted to the real working condition easily because the detection mode in the prior art is different from the real working condition is solved;
due to the arrangement of the adjusting bolt 4, the compression amount of the compression spring 5 can be adjusted, so that the test system can simulate environments with different working conditions, and the practicability is improved;
in the structure, when the air blower to be tested is used, firstly, the main air outlet end of the air blower to be tested is communicated with the open end of the test tube 1, then the air blower to be tested is started, the impeller of the air blower to be tested starts to rotate, part of air flow generated by the air blower to be tested enters the test tube 1, the other part of air flow is discharged through the bypass valve of the air blower to be tested, the bypass valve of the air blower to be tested is closed until the rotating speed of the impeller of the air blower to be tested reaches the maximum value, and two conditions exist at the time, namely the air pressure in the test tube 1 can overcome the acting force of the compression spring 5, so that the sealing gasket 2 and the blocking plate 3 move, and the exhaust hole 101 discharges redundant air, so that the air blower to be tested can meet the use under the real working condition; the other is that the air pressure in the test tube 1 can not overcome the acting force of the compression spring 5, the exhaust hole 101 is still sealed by the sealing gasket 2 and the plugging plate 3, at the moment, the air blower to be tested stops running under the action of the system, so that the condition that the surge of the air blower to be tested occurs is prevented, and at the moment, the air blower to be tested can not well meet the use under the real working condition;
specifically, the pressure detection of the blower to be detected under different parameters can be detected by adjusting the position of the adjusting bolt 4, that is, the compression amount of the compression spring 5.
In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, the test device further comprises a first check valve 7, an air inlet end of which can be correspondingly communicated with an air outlet end of the blower to be tested, and an air outlet end of the first check valve 7 is correspondingly communicated with an open end of the test tube 1;
the arrangement can prevent the gas in the test tube 1 from flowing back to cause the surge of the blower to be tested;
the test tube 1 is provided with an air supply device 8 which is correspondingly communicated with the inner cavity of the test tube and can enable the inner cavity of the test tube to have specific air pressure, and the air supply device 8 is an air compressor as required;
the test tube 1 is provided with a pressure detection device 6 capable of detecting the air pressure in the inner cavity of the test tube;
the pressure detection device 6 is an air pressure sensor or an air pressure meter according to requirements;
the gas outlet end of the gas supply device 7 is correspondingly communicated with the inner cavity of the test tube 1 through the second one-way valve 9;
the arrangement can supply air to the test tube 1 through the air supply device 8, so that a certain pressure is achieved in the test tube 1, then the position of the adjusting bolt 4 is adjusted, so that the elastic force of the compression spring 5 at the moment is matched with the pressure in the test tube 1, and the pressure detection of the air blower to be detected under different parameters is detected;
specifically, for example, the maximum theoretical air pressure of the blower to be detected is matched with the pressure generated by the 10-meter deep sewage, the air supply device 8 can be used for supplying air to the test tube 1, so that the pressure reached in the test tube 1 is consistent with the pressure generated by the 6-meter deep sewage, then the position of the adjusting bolt 4 is adjusted, so that the elastic force of the compression spring 5 at the moment is matched with the pressure in the test tube 1, and the pressure detection of the blower to be detected under the 60% parameter is detected.
In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, the testing device further comprises a T-shaped three-way pipe 10, wherein a first opening end of the T-shaped three-way pipe 10 is sequentially and coaxially sleeved on the sealing gasket 2 and the blocking plate 3, the end of the T-shaped three-way pipe 10 is correspondingly installed at a closed end of the testing pipe 1, a silencing device 11 is arranged at a second opening end of the T-shaped three-way pipe 10, and the first opening end and the third opening end of the T-shaped three-way pipe 10 are coaxial;
gaps are reserved between the inner wall of the first opening end of the T-shaped three-way pipe 10 and the outer edge parts of the sealing gasket 2 and the blocking plate 3, and a blocking structure is detachably connected to the third opening end of the T-shaped three-way pipe 10;
the arrangement can reduce the noise of the air flow discharged from the air outlet 101 by the silencer 11, thereby reducing the generation of the surrounding noise.
In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, a gasket 12 is sleeved on a screw rod body of the adjusting bolt 4 at a position between the compression spring 5 and the blocking plate 3 in a matching manner;
the arrangement prevents the compression spring 5 from rotating near one end of the head of the adjusting bolt 4 when the adjusting bolt 4 is adjusted, which leads to the compression spring 5 being in an unstable state.
Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 5, a positioning pin 13 slidably penetrating through the sealing gasket 2 and the blocking plate 3 is vertically arranged on the end surface of the closed end of the test tube 1;
this arrangement prevents the packing 2 and the blocking plate 3 from rotating.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A blower simulation pressure test system which is characterized in that: the test tube comprises a test tube (1) with one closed end and the other end capable of being correspondingly communicated with the main air outlet end of a blower to be tested, a sealing gasket (2) adaptive to the closed end of the test tube (1), a blocking plate (3) adaptive to the closed end of the test tube (1) and an adjusting bolt (4), wherein the closed end of the test tube (1) is provided with a plurality of exhaust holes (101) at intervals along the circumferential direction of the closed end of the test tube, and the closed end of the test tube (1) is also provided with a threaded hole (102) coaxial with the closed end of the test tube (1); adjusting bolt (4) screw rod end tip activity in proper order runs through closure plate (3) and sealed penetrating seal pad (2), and adjusting bolt (4) screw rod end tip and screw hole (102) sealed screw-thread fit, the position matching cover that adjusting bolt (4) screw rod body is located between its head and closure plate (3) is equipped with compression spring (5).
2. A blower simulation pressure test system as set forth in claim 1, wherein: still include the inlet end can correspond first check valve (7) that communicate with the air-blower owner outlet end that awaits measuring, first check valve (7) outlet end corresponds intercommunication and test tube (1) opening end.
3. The blower simulation pressure test system of claim 2, wherein: the test tube (1) is provided with an air supply device (8) which is correspondingly communicated with the inner cavity of the test tube and can enable the inner cavity of the test tube to have specific air pressure;
the test tube (1) is provided with a pressure detection device (6) capable of detecting the air pressure in the inner cavity of the test tube.
4. A blower simulation pressure test system as set forth in claim 3, wherein: still include second check valve (9), air supply equipment (8) give vent to anger the end and correspond the intercommunication through second check valve (9) and test tube (1) inner chamber.
5. A blower simulation pressure test system as set forth in claim 1, wherein: still include T type three-way pipe (10), sealed pad (2) and closure plate (3) are located to coaxial cover in proper order to T type three-way pipe (10) first open end, and T type three-way pipe (10) this end correspond to install in test tube (1) closed end, and T type three-way pipe (10) second open end is equipped with silencing device (11), and T type three-way pipe (10) first open end is coaxial with the third open end.
6. A blower simulation pressure test system as set forth in claim 5, wherein: gaps are reserved between the inner wall of the first opening end of the T-shaped three-way pipe (10) and the outer edge portions of the sealing gasket (2) and the blocking plate (3), and the third opening end of the T-shaped three-way pipe (10) is detachably connected with a blocking structure.
7. A blower simulation pressure test system as set forth in claim 1, wherein: the adjusting bolt (4) is characterized in that a gasket (12) is sleeved on a screw rod body between the compression spring (5) and the blocking plate (3) in a matching mode.
8. The blower simulation pressure test system of claim 1, wherein: the end face of the closed end of the test tube (1) is vertically provided with a positioning pin (13) which penetrates through the sealing gasket (2) and the blocking plate (3) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543465.4U CN218542672U (en) | 2022-09-26 | 2022-09-26 | Air blower simulation pressure test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543465.4U CN218542672U (en) | 2022-09-26 | 2022-09-26 | Air blower simulation pressure test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542672U true CN218542672U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222543465.4U Active CN218542672U (en) | 2022-09-26 | 2022-09-26 | Air blower simulation pressure test system |
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| Country | Link |
|---|---|
| CN (1) | CN218542672U (en) |
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2022
- 2022-09-26 CN CN202222543465.4U patent/CN218542672U/en active Active
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