CN202770587U - Gas pressure calibration device - Google Patents
Gas pressure calibration device Download PDFInfo
- Publication number
- CN202770587U CN202770587U CN 201220471956 CN201220471956U CN202770587U CN 202770587 U CN202770587 U CN 202770587U CN 201220471956 CN201220471956 CN 201220471956 CN 201220471956 U CN201220471956 U CN 201220471956U CN 202770587 U CN202770587 U CN 202770587U
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- Prior art keywords
- air pump
- verification
- connector
- calibration equipment
- gaseous tension
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Abstract
The utility model belongs to the field of instruments and meters, and specifically discloses a gas pressure calibration device capable of helping workers calibrate the calibrated pressure control instrument. The gas pressure calibration device comprises a motor, a gas pump, a standard connector and a calibration connector, wherein the output shaft of the motor is connected with the input shaft of the gas pump, the intake port of the gas pump is communicated with the outside while the outtake port thereof is respectively connected with the standard connector and the calibration connector. The gas pressure calibration device further comprises a speed reducer, wherein the input shaft of the speed reducer is connected with the output shaft of the motor, and the output shaft of the speed reducer is connected with the input shaft of the gas pump. The wall of the gas pump is provided with a cleaning port communicated with the inner cavity of the gas pump. A control valve communicated with the inner cavity of the gas pump is arranged on the gas pump, and a safety valve communicated with the inner cavity of the gas pump is also arranged on the gas pump.
Description
Technical field
The utility model relates to instrument field, relates in particular to the gaseous tension calibration equipment.
Background technology
In the fields such as pressure survey, often use pressure unit, pressure transducer, digital pressure gauge equal pressure control instrument; These pressure controller devices are processed this pressure signal after detecting pressure signal, and then obtain corresponding force value, and demonstrate this force value by instrument.Yet above-mentioned pressure controller device for guaranteeing the accuracy of its measurement, all needs it is carried out verification in use for some time.
At present, generally all adopt gas as the pressure checking device of medium above-mentioned pressure controller device to be carried out verification.Traditional gaseous tension calibration equipment comprises the hand air pump that produces gaseous tension, standard connector, verification connector; Wherein, the air intake opening of described hand air pump is communicated with outside air, and the gas outlet links to each other with the verification connector with the standard connector respectively; Particularly, by the piston in the artificial push-and-pull hand air pump, so that produce air pressure in the hand air pump, and then the air pressure that produces in the hand air pump is transported in standard connector and the verification connector, and then the master gauge of installing at the standard connector, and demonstrate respectively corresponding force value on the verification tensimeter of installing on the verification connector, wherein, the verification tensimeter is the assembly on the pressure controller device, thereby according to the force value that shows on the master gauge, adjust the force value that shows on the verification tensimeter, make two force value on the tensimeter consistent, thereby finish the verification to the pressure controller device.
Yet, this traditional gaseous tension calibration equipment, because its forcing pump that produces pressure is hand air pump, the staff is using this gaseous tension calibration equipment when being carried out verification by the pressure controller device of verification, need the piston in the artificial push-and-pull hand air pump of staff, comparatively inconvenience.
The utility model content
The utility model proposes the gaseous tension calibration equipment, can make things convenient for the staff to being carried out verification operation by the pressure controller device of verification.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The gaseous tension calibration equipment comprises:
Motor, air pump, standard connector and verification connector;
The output shaft of described motor links to each other with the input shaft of described air pump;
The air intake opening of described air pump is in communication with the outside, and the gas outlet links to each other with the verification connector with described standard connector respectively.
Preferably, further comprise speed reduction unit;
The input shaft of described speed reduction unit links to each other with the output shaft of described motor, and the output shaft of described speed reduction unit links to each other with the input shaft of described air pump.
Preferably, be provided with the Butterworth Hatch that communicates with the inner chamber of described air pump on the wall of described air pump.
Preferably, be provided with the by-pass valve control that communicates with the inner chamber of described air pump on the described air pump.
Preferably, be provided with the safety valve that communicates with the inner chamber of described air pump on the described air pump.
Preferably, further comprise filtrator, the gas outlet of described air pump communicates with the entrance of filtrator, and the outlet of described filtrator communicates with standard connector and verification connector respectively.
Preferably, further comprise pressure fine setting member; The gas outlet of described air pump communicates with the first port of pressure fine setting member, and the second port of described pressure fine setting member communicates with standard connector and verification connector respectively.
Preferably, comprise two described verification connectors.
Preferably, this device further comprises external air pump, and the gas outlet of this external air pump links to each other with the verification connector with described standard connector respectively.
Preferably, between the gas outlet of described external air pump and the described standard connector, and the junction of gas outlet and verification connector be provided with valve.
Compared with prior art, the gaseous tension calibration equipment that the utility model provides, by the connected air pump work of driven by motor, so that the inner air pressure that produces of air pump, the air pressure of this generation is Engage of standard connector and verification connector respectively, and then when standard connector and verification connector are separately installed with master gauge and verification tensimeter, on two tensimeters, demonstrate respectively the force value of air pressure, wherein, the verification tensimeter is by the assembly on the pressure controller device of verification, thereby can be according to the force value that shows on the master gauge, adjust the force value that shows on the verification tensimeter, so that the force value that shows on two tensimeters is consistent, thereby realize by the verification of the pressure controller device of verification; In the whole checking procedure, the user need not as the artificial piston that promotes in the hand air pump in the prior art, so that produce air pressure in the hand air pump, make things convenient for the staff to being carried out verification operation by the pressure controller device of verification.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in below describing only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
The structural representation of the gaseous tension calibration equipment that Fig. 1 provides for the utility model embodiment one;
The structural representation of the gaseous tension calibration equipment that Fig. 2 provides for the utility model embodiment two.
Embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Embodiment one
The utility model embodiment one provides a kind of gaseous tension calibration equipment, and referring to Fig. 1, this device comprises:
Motor 1, air pump 2, standard connector 3, verification connector 4;
The output shaft of described motor 1 links to each other with the input shaft of air pump 2;
Motor 1 is used for driving described air pump 2 work, makes this air pump 2 inner air pressure that produce;
The air intake opening of described air pump 2 is communicated with outside air, and the gas outlet links to each other with verification connector 4 with described standard connector 3 respectively.
Standard connector 3 is used for the connection standard tensimeter, and verification connector 4 is used for connecting the verification tensimeter, and this verification tensimeter is by the assembly on the pressure controller device of verification.
The gaseous tension calibration equipment that the utility model embodiment one provides, by the connected air pump work of driven by motor, so that the inner air pressure that produces of air pump, the air pressure of this generation is Engage of standard connector and verification connector respectively, and then when standard connector and verification connector are separately installed with master gauge and verification tensimeter, on two tensimeters, demonstrate respectively the force value of air pressure, wherein, the verification tensimeter is by the assembly on the pressure controller device of verification, thereby can be according to the force value that shows on the master gauge, adjust the force value that shows on the verification tensimeter, so that the force value that shows on two tensimeters is consistent, thereby realize by the verification of the pressure controller device of verification; In the whole checking procedure, the user need not as the artificial piston that promotes in the hand air pump in the prior art, so that produce air pressure in the hand air pump, make things convenient for the staff to being carried out verification operation by the pressure controller device of verification.
The gaseous tension calibration equipment that provides in order more clearly to illustrate above-described embodiment one, the below provides a kind of preferred structure of this gaseous tension calibration equipment, for this preferred structure, provides embodiment two and is described.
Embodiment two
For the gaseous tension calibration equipment that above-described embodiment one provides, the utility model embodiment two provides a kind of preferred structure of this gaseous tension calibration equipment, referring to Fig. 2, comprising:
Motor 01, air pump 02, standard connector 03, verification connector 04;
The output shaft of described motor 01 is connected with the input shaft of air pump 02, is used for driving described air pump 02 work, makes this air pump 02 inner air pressure that produces;
The air intake opening of described air pump 02 is communicated with outside air, and the gas outlet links to each other with verification connector 04 respectively with standard connector 03, and the pneumatic conveying that is used for described air pump 02 is produced is to described standard connector 03 and verification connector 04;
Wherein, the air pressure of this gas outlet can reach 700KPa, so that the air pressure range of this gaseous tension calibration equipment increased, thereby so that the scope of application of this gaseous tension calibration equipment is wider;
Wherein, standard connector 04 is used for the connection standard tensimeter, and verification connector 05 is used for connecting the verification tensimeter; This verification tensimeter is by the assembly on the pressure controller device of verification.
In order to reach better effect so that motor 01 drives air pump 02 this process, this device further comprises speed reduction unit 05; The input shaft of described speed reduction unit 05 links to each other with the output shaft of described motor 01, and the output shaft of described speed reduction unit 05 links to each other with the input shaft of described air pump 02.
Described speed reduction unit 05 plays the effect of regulating electric machine rotating speed, produces equably air pressure with realization air pump 02, and then prevents that the air pressure in the air pump 02 is excessive, damages air pump 02.
Air pump in use for some time, inner can more remaining dirts or impurity, in order to ensure the normal operation of air pump, further, be provided with the Butterworth Hatch 06 that communicates with the inner chamber of described air pump on the wall of described air pump;
Preferably, described Butterworth Hatch is positioned at the bottom of described gas outlet.
Preferably, in the present embodiment, air pump 02 be for can regulate the air pump of positive/negative pressure, and is provided with the by-pass valve control 07 that communicates with the inner chamber of described air pump on this air pump 02, and this by-pass valve control 07 is used for that the air pressure in the described air pump 02 is carried out positive/negative-pressure and switches.
When air pump 02 turned round under the drive of motor, its inner air pressure that produces generally all was provided with a pump limit value, and this pump limit value is the force value of the inside of air pump 02 maximum pressure that can bear namely; If the air pressure of air pump 02 interior generation surpasses described pump limit value, then air pump 02 can break down; Excessive in order to prevent the air pressure in the air pump 02, and break down, be provided with the safety valve 08 that communicates with the inner chamber of described air pump on the described air pump 02, when surpassing the pump limit value for the atmospheric pressure value in described air pump 02, open the valve Exhaust Gas; And described safety valve 08 can be regulated the speed of exhaust, to realize even exhaust.
This device further comprises filtrator 09, and the gas outlet of described air pump communicates with the entrance of filtrator 09, and the outlet of described filtrator 09 communicates with standard connector 03 and verification connector 04 respectively; This filtrator 09 is used for the gas of the gas outlet output of air pump is filtered.
Further, this device also comprises pressure fine setting member 010; The gas outlet of described air pump communicates with the first port of pressure fine setting member 010, and the second port of described pressure fine setting member 010 communicates with standard connector 03 and verification connector 04 respectively; This pressure fine setting member 010 is used for the air pressure of the gas of the gas outlet output of air pump is carried out fine adjustment among a small circle.
In order further to enlarge the air pressure verification scope of the gaseous tension calibration equipment that the utility model provides, this device further comprises external air pump 011, and the gas outlet of this external air pump 011 links to each other with verification connector 04 with standard connector 03 respectively.
Further, for so that described external air pump 010 can need determine whether according to actual needs to open, and then so that the adjustment of the pressure checking scope of gaseous tension calibration equipment is comparatively flexible, between the gas outlet of described external air pump 010 and the described standard connector 03, and gas outlet and verification connector 04 between be provided with valve 012; After valve 012 is opened, be respectively described standard connector 03 and verification connector and carry air pressure;
Preferably, in the present embodiment, in order to save the quantity of pipeline and valve, standard connector and verification connector are interconnected, and are provided with a described valve 012 in connectivity part;
And then, can further be that standard connector and verification connector are carried air pressure according to actual needs by this external air pump, the scope of the pressure of gas, and then the verification scope of increase gaseous tension calibration equipment.
Need to prove that this gaseous tension calibration equipment can adopt the powered battery of 9 volts at two joints.
The gaseous tension calibration equipment that the utility model embodiment two provides, lightweight, and can adopt powered battery, avoided again simultaneously the piston in the artificial push-and-pull hand air pump, made things convenient for verification operation, and the staff do not need the pressure kind equipment pulled down and carries out verification, and just on the spot verification has improved work efficiency at the scene.
The various embodiment that the utility model provides can be as required in any way mutually combination, the technical scheme that obtains by this combination is also in scope of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also comprises these changes and modification interior.
Claims (10)
1. the gaseous tension calibration equipment is characterized in that, comprising: motor, air pump, standard connector and verification connector;
The output shaft of described motor links to each other with the input shaft of described air pump;
The air intake opening of described air pump is in communication with the outside, and the gas outlet links to each other with the verification connector with described standard connector respectively.
2. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, further comprises speed reduction unit;
The input shaft of described speed reduction unit links to each other with the output shaft of described motor, and the output shaft of described speed reduction unit links to each other with the input shaft of described air pump.
3. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, is provided with the Butterworth Hatch that communicates with the inner chamber of described air pump on the wall of described air pump.
4. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, is provided with the by-pass valve control that communicates with the inner chamber of described air pump on the described air pump.
5. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, is provided with the safety valve that communicates with the inner chamber of described air pump on the described air pump.
6. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, further comprises filtrator, and the gas outlet of described air pump communicates with the entrance of filtrator, and the outlet of described filtrator communicates with standard connector and verification connector respectively.
7. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, further comprises pressure fine setting member; The gas outlet of described air pump communicates with the first port of pressure fine setting member, and the second port of described pressure fine setting member communicates with standard connector and verification connector respectively.
8. gaseous tension calibration equipment as claimed in claim 1 is characterized in that, comprises two described verification connectors.
9. such as the described gaseous tension calibration equipment of claim 1-8 any one, it is characterized in that this device further comprises external air pump, the gas outlet of this external air pump links to each other with the verification connector with described standard connector respectively.
10. gaseous tension calibration equipment as claimed in claim 9 is characterized in that, between the gas outlet of described external air pump and the described standard connector, and the junction of gas outlet and verification connector be provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471956 CN202770587U (en) | 2012-09-14 | 2012-09-14 | Gas pressure calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220471956 CN202770587U (en) | 2012-09-14 | 2012-09-14 | Gas pressure calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770587U true CN202770587U (en) | 2013-03-06 |
Family
ID=47777151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220471956 Expired - Fee Related CN202770587U (en) | 2012-09-14 | 2012-09-14 | Gas pressure calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770587U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866329A (en) * | 2016-03-24 | 2016-08-17 | 安阳化学工业集团有限责任公司 | Verification apparatus for explosimeter |
| CN107870061A (en) * | 2016-09-23 | 2018-04-03 | 北京航天计量测试技术研究所 | A kind of dynamic pressure monitoring and control method for bullet air chest calibrating installation |
| CN109211470A (en) * | 2018-10-31 | 2019-01-15 | 国网天津市电力公司 | SF6 switching gas pressure-detecting device |
-
2012
- 2012-09-14 CN CN 201220471956 patent/CN202770587U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866329A (en) * | 2016-03-24 | 2016-08-17 | 安阳化学工业集团有限责任公司 | Verification apparatus for explosimeter |
| CN107870061A (en) * | 2016-09-23 | 2018-04-03 | 北京航天计量测试技术研究所 | A kind of dynamic pressure monitoring and control method for bullet air chest calibrating installation |
| CN109211470A (en) * | 2018-10-31 | 2019-01-15 | 国网天津市电力公司 | SF6 switching gas pressure-detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150914 |
|
| EXPY | Termination of patent right or utility model |