CN211085340U - Portable flow and air tightness calibrating device - Google Patents
Portable flow and air tightness calibrating device Download PDFInfo
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- CN211085340U CN211085340U CN201922421286.1U CN201922421286U CN211085340U CN 211085340 U CN211085340 U CN 211085340U CN 201922421286 U CN201922421286 U CN 201922421286U CN 211085340 U CN211085340 U CN 211085340U
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Abstract
The utility model provides a portable flow and air tightness calibrating device, which belongs to the technical field of detection and comprises a box body, an air tightness calibrating system and a flow calibrating system, wherein the air tightness calibrating system comprises a first pipeline arranged in the box body, a first valve and a negative pressure gauge for displaying air tightness are arranged on the first pipeline, and one end of the first pipeline is used for connecting an air pump; the flow verification system comprises a second pipeline arranged in the box body, a second valve, a flow sensor and a third valve are sequentially connected in series on the second pipeline, the display screen is connected with the flow sensor, and one end of the second pipeline is used for being connected with equipment to be detected; the other end of the first pipeline is connected with the other end of the second pipeline through a first three-way joint. The utility model provides a portable flow and gas tightness calibrating installation, gas tightness verification system and flow verification system are integrated simultaneously in the box, have two kinds of functions of examining and determine gas tightness and flow, need not to carry two sets of verification equipment, convenient to carry.
Description
Technical Field
The utility model belongs to the technical field of detect, more specifically say, relate to a portable flow and gas tightness calibrating installation.
Background
At present, the verification equipment for gas circuits or containers has single function, can only carry out gas tightness detection, but cannot carry out flow detection on products. When the air circuit pipeline of the equipment is detected, two sets of equipment need to be carried, the detection needs to be carried out on different work sites in a flowing mode, and the equipment is inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable flow and gas tightness calibrating installation aims at solving current calibration equipment function singleness, carries inconvenient problem.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a portable flow and gas tightness verification device comprising: the air tightness verification system comprises a first pipeline arranged in the box body, a first valve and a negative pressure meter used for displaying air tightness are mounted on the first pipeline, and one end of the first pipeline is used for being connected with an air suction pump; the flow verification system comprises a second pipeline arranged in the box body, a second valve, a flow sensor and a third valve are sequentially connected in series on the second pipeline, a display screen for displaying flow is connected with the flow sensor, and one end of the second pipeline is used for being connected with equipment to be detected; the other end of the first pipeline is connected with the other end of the second pipeline through a first three-way joint.
As another embodiment of this application, the both ends of first pipeline are equipped with first coupling and second coupling respectively, the second tube coupling the one end of waiting to examine flow equipment is equipped with the third coupling, first coupling the second coupling with the third coupling all support in on the curb plate of box, first three way connection installs on the first pipeline, the second pipeline is close to the one end of second valve with first three way connection intercommunication.
As another embodiment of this application, the negative pressure table with the display screen all install in on the curb plate of box.
As another embodiment of the present application, the first pipe joint, the second pipe joint, and the third pipe joint are located on a first side plate of the box body, the negative pressure gauge and the display screen are located on a third side plate of the box body, and the first side plate and the third side plate are parallel.
As another embodiment of the present application, the certification apparatus further comprises an auxiliary pipe connected between the second pipe joint and the third pipe joint.
As another embodiment of this application, still be equipped with second three way connection on the first pipeline, the negative pressure table with second three way connection is connected.
As another embodiment of the present application, the box body has a rectangular parallelepiped structure.
As another embodiment of this application, first valve the second valve with the third valve is the solenoid valve, be equipped with control module in the box, the solenoid valve the display screen flow sensor with the display screen all with control module electric connection, be equipped with switch, first button and second button on the curb plate of box, control module passes through the signal feedback control of first button the opening and closing of first valve, control module passes through the opening and closing of the signal feedback control second valve of second button and third valve, the signal warp of flow sensor collection the display screen shows.
As another embodiment of this application, be equipped with the handle on the roof of box.
As another embodiment of this application, the both ends of handle with the roof of box is articulated.
The utility model provides a portable flow and gas tightness calibrating installation's beneficial effect lies in: compared with the prior art, the utility model discloses portable flow and gas tightness calibrating installation, gas tightness verification system and flow verification system are integrated simultaneously in the box, when the gas tightness of check out test set and flow, only need carry a box, can carry out the examination of gas tightness and flow to equipment. The utility model provides a calibrating installation has two kinds of functions of examining and determine gas tightness and flow, and need not to carry two sets of calibration equipment, convenient to carry.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an appearance structure of a portable flow and air tightness calibrating device provided in an embodiment of the present invention;
Fig. 2 is a schematic view of an internal front view structure of a portable flow and air tightness calibrating device provided in an embodiment of the present invention;
Fig. 3 is a schematic view of an internal three-dimensional structure of a portable flow and air tightness calibrating device according to an embodiment of the present invention;
Fig. 4 is a schematic diagram of an internal three-dimensional structure of a portable flow and air tightness calibrating device provided by an embodiment of the present invention;
Fig. 5 is a schematic diagram illustrating a principle of an air-tightness self-checking process of the portable flow and air-tightness calibrating apparatus according to an embodiment of the present invention;
Fig. 6 is a schematic diagram illustrating a schematic diagram of an air-tightness verification process of the portable flow and air-tightness verification apparatus according to an embodiment of the present invention;
Fig. 7 is a schematic diagram illustrating a flow verification process of the portable flow and air tightness verification apparatus according to an embodiment of the present invention.
In the figure: 1. a box body; 2. a second pipeline; 3. a display screen; 4. a negative pressure gauge; 5. a second three-way joint; 6. a first valve; 7. a first pipe joint; 8. a second pipe joint; 9. a first three-way joint; 10. a third pipe joint; 11. a third valve; 12. a second valve; 13. a power switch; 14. a first button; 15. a second button; 16. a handle; 17. an air pump; 18. equipment to be detected; 19. an auxiliary tube; 20. a flow sensor; 21. a first conduit.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, a portable flow and air tightness calibrating device according to the present invention will now be described. The portable flow and air tightness calibrating device comprises: the air tightness verification system comprises a box body 1, an air tightness verification system and a flow verification system, wherein the air tightness verification system comprises a first pipeline 21 arranged in the box body 1, a first valve 6 and a negative pressure meter 4 for displaying air tightness are arranged on the first pipeline 21, and one end of the first pipeline 21 is connected with an air suction pump 17; the flow verification system comprises a second pipeline 2 arranged in the box body 1, a second valve 12, a flow sensor 20 and a third valve 11 are sequentially connected in series on the second pipeline 2, a display screen 3 for displaying flow is connected with the flow sensor 20, and one end of the second pipeline 2 is connected with a device to be detected 18; the other end of the first pipeline 21 and the other end of the second pipeline 2 are connected through a first three-way joint 9.
The utility model provides a portable flow and gas tightness calibrating installation compares with prior art, and gas tightness calibrating installation and flow calibrating installation are integrated in box 1 simultaneously, and calibrating installation's part mainly includes pipeline and valve, occupy small, and simple structure utilizes less box can, when the gas tightness of check out test set and flow, only need carry a box 1, can carry out the examination of gas tightness and flow to equipment. The utility model provides a calibrating installation has two kinds of functions of examining and determine gas tightness and flow, and need not to carry two sets of calibration equipment, convenient to carry.
As a specific implementation manner of the portable flow and air tightness calibrating device, please refer to fig. 1 to 7, the both ends of the first pipeline 21 are respectively provided with the first pipe joint 7 and the second pipe joint 8, the second pipeline 2 is connected the one end of the flow equipment to be checked is provided with the third pipe joint 10, the first pipe joint 7, the second pipe joint 8 and the third pipe joint 10 are all supported on the side plate of the box body 1, the first three-way joint 9 is installed on the first pipeline 21, the second pipeline 2 is close to the one end of the second valve 12 and the first three-way joint 9 are communicated.
The utility model discloses can realize the gas tightness self-checking of calibrating installation itself, treat the gas tightness examination and the flow examination of examining equipment 18. The assay process is described in detail below.
The utility model provides a calibrating installation's gas tightness self-checking process as follows: referring to fig. 5, the auxiliary pipe 19 is first connected between the second pipe joint 8 and the third pipe joint 10, the first pipe joint 7 is connected with the suction pump 17, the first valve 6 is opened, the second valve 12 and the third valve 11 are closed, and then the suction pump 17 is opened to start suction; when the air pressure reaches a set value, the first valve 6 is closed, and the air pump 17 is closed; then standing for one minute, wherein the pressure value of the negative pressure meter 4 is basically unchanged or is changed within an error allowable range within one minute, and the self air tightness of the calibrating device is determined to be good; the second valve 12 and the third valve 11 are opened simultaneously to release pressure, and finally the first valve 6 is opened, and the self-checking process is completed.
When the air tightness of the device to be inspected 18 is inspected, referring to fig. 6, one end of the auxiliary pipe 19 is connected with the third joint, the other end is connected with the device to be inspected 18, the first valve 6 is opened, the second valve 12 and the third valve 11 are closed, and then the air pump 17 is opened to start air suction; when the air pressure reaches a set value, the first valve 6 is closed, and the air pump 17 is closed; then standing for one minute, wherein the pressure value of the negative pressure meter 4 is basically unchanged or is changed within an error allowable range within one minute, and the air tightness of the equipment to be detected 18 is determined to be good; then the second valve 12 and the third valve 11 are opened simultaneously to let off the pressure, and finally the first valve 6 is opened and the verification process is completed.
When the flow of the device to be detected 18 is detected, referring to fig. 7, one end of the auxiliary tube 19 is connected with the third joint, the other end is connected with the device to be detected 18, the first valve 6 is closed, the second valve 12 and the third valve 11 are opened, then the value is read after the flow of the display screen 3 is stabilized, the detected flow value is compared with the set flow value, whether the flow value of the device to be detected is within the error allowable range is judged, and finally whether the flow of the device to be detected is correct is judged.
In this embodiment, each pipe joint all adopts quick connector, and first pipeline and second pipeline adopt the PVC pipe, and the auxiliary pipe adopts PU (polyurethane) pipe or PVC pipe.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 7, the negative pressure meter 4 and the display screen 3 are all installed on the side plate of the box body 1. The values of the negative pressure meter 4 and the display screen 3 can be seen outside the box body 1, and the verification result is visual.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 7, the first pipe joint 7, the second pipe joint 8, and the third pipe joint 10 are located on the first side plate of the box body 1, the negative pressure gauge 4 and the display screen 3 are located on the third side plate of the box body 1, and the first side plate and the third side plate are parallel.
In this embodiment, box 1 is the cuboid structure, including first curb plate, second curb plate, third curb plate and the fourth curb plate of connecting in order, still includes bottom plate and roof. The air pump 17 and the equipment 18 to be detected can be connected on one side of the box body 1, so that the negative pressure meter 4 and the display screen 3 are connected on the same side of the box body 1 for convenient observation, and through reasonable layout, the connection of the equipment is convenient, namely the connection of the equipment does not influence the reading of the verification numerical value.
In the embodiment, referring to fig. 1 to 4, the first pipeline 21 is supported by three supporting points in a triangular structure through the first pipe joint 7, the second pipe joint 8 and the negative pressure gauge 4, so that the supporting reliability is improved; the second pipeline 2 is supported by three supporting points which are triangular structures and are respectively a second pipe joint 8, a third pipe joint 10 and a display screen 3, and the supporting reliability is also improved.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 to 7, a second three-way joint 5 is further disposed on the first pipeline 21, and the negative pressure gauge 4 is connected to the second three-way joint 5.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 7, the first valve 6 the second valve 12 and the third valve 11 are solenoid valves, a control module is arranged in the box 1, the solenoid valves are arranged on the display screen 3 the flow sensor 20 and the display screen 3 are all electrically connected to the control module, a power switch 13, a first button 14 and a second button 15 are arranged on a side plate of the box 1, the control module controls the opening and closing of the first valve 6 through the signal feedback of the first button 14, the control module controls the opening and closing of the second valve 12 and the third valve 11 through the signal feedback of the second button 15, and the signal collected by the flow sensor 20 is displayed on the display screen 3. In this embodiment, during verification, the power switch 13 is turned on, the first button 14 is pressed to open the first valve 6, and the second button 15 is pressed to open the second valve 12 and the third valve 11, so as to perform self-inspection of the air tightness of the verification device, verification of the air tightness of the device to be verified 18, and verification of the flow rate, which is convenient to operate.
In this embodiment, the control module can be implemented by using existing siemens 7-300 series, Mitsubishi fx series, 51 series single-chip microcomputer or Mohua industrial personal computer and other series.
In this embodiment, a power socket may be provided on a side plate of the case 1 or a power supply may be provided in the case 1.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a handle 16 is disposed on a top plate of the box body 1. In the embodiment, the air tightness verification system and the flow verification system are integrated in the box body 1 at the same time, only a pipeline and a valve are arranged in the box body 1, the weight is light, the size is small, the verification device can be lifted by utilizing the lifting handle 16, and the carrying is very convenient.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, two ends of the handle 16 are hinged to the top plate of the box body 1. The handle 16 is hinged on the top plate of the box body 1, and when the box body 1 is lifted, the handle 16 is horizontally placed on the top plate statically, so that the occupied space is not occupied, and the size of the whole device is further reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Portable flow and gas tightness calibrating installation, its characterized in that includes:
A box body;
The air tightness verification system comprises a first pipeline arranged in the box body, wherein a first valve and a negative pressure gauge for displaying air tightness are arranged on the first pipeline, and one end of the first pipeline is used for being connected with an air suction pump; and
The flow verification system comprises a second pipeline arranged in the box body, a second valve, a flow sensor and a third valve are sequentially connected in series on the second pipeline, a display screen for displaying flow is connected with the flow sensor, and one end of the second pipeline is used for being connected with equipment to be detected;
The other end of the first pipeline is connected with the other end of the second pipeline through a first three-way joint.
2. The portable flow and air tightness calibrating device according to claim 1, wherein a first pipe joint and a second pipe joint are respectively arranged at two ends of the first pipeline, a third pipe joint is arranged at one end of the second pipeline connected with the flow equipment to be calibrated, the first pipe joint, the second pipe joint and the third pipe joint are all supported on a side plate of the box body, the first three-way joint is installed on the first pipeline, and one end of the second pipeline close to the second valve is communicated with the first three-way joint.
3. The portable flow and gas tightness verification device according to claim 2, wherein the negative pressure gauge and the display screen are mounted on a side plate of the box body.
4. The portable flow and gas tightness verification device according to claim 3, wherein the first pipe joint, the second pipe joint and the third pipe joint are located on a first side plate of the box body, the negative pressure gauge and the display screen are located on a third side plate of the box body, and the first side plate and the third side plate are parallel.
5. The portable flow and gas tightness verification device according to claim 2, further comprising an auxiliary tube connected between said second and third tube connectors.
6. The portable apparatus for calibrating flow rate and air tightness according to claim 1, wherein a second three-way joint is further provided on the first pipeline, and the negative pressure gauge is connected to the second three-way joint.
7. The portable flow and gas tightness verification device according to claim 1, wherein the box is a rectangular parallelepiped structure.
8. The portable flow and gas tightness calibrating device according to claim 1, wherein the first valve, the second valve and the third valve are all solenoid valves, a control module is disposed in the box body, the solenoid valves, the display screen, the flow sensor and the display screen are all electrically connected to the control module, a power switch, a first button and a second button are disposed on a side plate of the box body, the control module controls opening and closing of the first valve through signal feedback of the first button, the control module controls opening and closing of the second valve and the third valve through signal feedback of the second button, and signals collected by the flow sensor are displayed on the display screen.
9. The portable flow and air tightness verification device according to any one of claims 1-8, wherein a handle is provided on a top plate of the box body.
10. The portable flow and air tightness verification device according to claim 9, wherein both ends of said handle are hinged to a top plate of said box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421286.1U CN211085340U (en) | 2019-12-27 | 2019-12-27 | Portable flow and air tightness calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922421286.1U CN211085340U (en) | 2019-12-27 | 2019-12-27 | Portable flow and air tightness calibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN211085340U true CN211085340U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922421286.1U Active CN211085340U (en) | 2019-12-27 | 2019-12-27 | Portable flow and air tightness calibrating device |
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| CN (1) | CN211085340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683507A (en) * | 2020-12-18 | 2021-04-20 | 陕西航空电气有限责任公司 | Portable flow test equipment of aeroengine torch electric nozzle |
-
2019
- 2019-12-27 CN CN201922421286.1U patent/CN211085340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683507A (en) * | 2020-12-18 | 2021-04-20 | 陕西航空电气有限责任公司 | Portable flow test equipment of aeroengine torch electric nozzle |
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