CN206223592U - Bu Shi pressure-gage inspecting devices - Google Patents

Bu Shi pressure-gage inspecting devices Download PDF

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Publication number
CN206223592U
CN206223592U CN201621247068.0U CN201621247068U CN206223592U CN 206223592 U CN206223592 U CN 206223592U CN 201621247068 U CN201621247068 U CN 201621247068U CN 206223592 U CN206223592 U CN 206223592U
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China
Prior art keywords
vacuum
vacuum valve
valve
shi
shi pressure
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CN201621247068.0U
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Chinese (zh)
Inventor
艾进
李建军
陈捷
郝晓飞
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Institute of Chemical Material of CAEP
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Institute of Chemical Material of CAEP
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Priority to CN201621247068.0U priority Critical patent/CN206223592U/en
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Abstract

The utility model discloses a kind of Bu Shi pressure-gage inspecting devices, including test casing, vacuum pumping pump, vacuum spark rifle, intellect digital display, first vacuum valve, second vacuum valve, 3rd vacuum valve and the 4th vacuum valve, for placing two Bu Shi pressure gauges in the test box body, the intellect digital display, aeration valve, first vacuum valve, second vacuum valve, 3rd vacuum valve and the 4th vacuum valve are arranged on the test casing, the vacuum spark rifle is movably set on the test casing, first vacuum valve, second vacuum valve, 3rd vacuum valve and the 4th vacuum valve are connected by flexible pipe with the vacuum pumping pump respectively.The utility model is rational in infrastructure, easy to use, mobile flexible, reduces danger and the duty cycle of Site Welding operation, greatly improves operating efficiency.

Description

Bu Shi pressure-gage inspecting devices
Technical field
The utility model is related to Bu Shi pressure gauge detection technique fields, and in particular to one kind is in Bu Shi pressure application processs of the test In device that Bu Shi pressure gauges are calibrated and hunted leak.
Background technology
Bourdon method is a kind of eudiometry set up based on pressure measuring principle, and it measures sample and is thermally decomposed and produced The pressure of raw gaseous product, the kinetics of thermal decomposition characteristic and disassembler of sample are studied by the relation curve of pressure and time Reason, thermostability, compatibility and the storage life of sample are evaluated with some characteristics.Bourdon method experimental rig By Bu Shi pressure applications pipeline, Bu Shi pressure gauges, heating oil bath, vacuum pump group into.Bu Shi pressure gauges are used to determine explosive and correlation Material thermally decomposes the gas gross of generation, i.e. discharge quantity within a certain period of time.Gas is discharged after being heated with the sample of unit mass Volume Vs as the Bu Shi pressure application data of the sample, be used to represent the heat peace of explosive or associated materials representated by the sample It is qualitative, calculation of Thermal Decomposition Kinetic Parameters and storage life assessment are can be additionally used in addition.
Bu Shi pressure gauges be using glass-film instead of the Bourdon tube in Thermal Meter as pressure measurement sensing element and be divided into mutually A kind of pressure gauge of the two spaces of isolation.The sensitivity calibration of Bu Shi pressure gauges is carried out using pressure differential method at present, its method without One special leakage detection apparatus.Such as find that the damaged or undesirable pressure gauge of sensitivity need to again weld replacing Bu Shi pressure gauges, Workload is big, and inefficiency, the cycle is long.
Utility model content
The utility model overcomes the deficiencies in the prior art, is more effective, easily carries out the experiment of Bu Shi pressure applications, this Invention provides a kind of Bu Shi pressure-gage inspecting devices, for solve in process of the test existing means can not fast, effectively to cloth The technical problem that family name's pressure gauge is calibrated and hunted leak.
In view of the above mentioned problem of prior art, the utility model is used according to disclosed in the utility model on one side Following technical scheme:
A kind of Bu Shi pressure-gage inspecting devices, including test casing, vacuum pumping pump, vacuum spark rifle, intellect digital display, the For placing two Bu Shi pressure in one vacuum valve, the second vacuum valve, the 3rd vacuum valve and the 4th vacuum valve, the test box body Meter, the intellect digital display, aeration valve, the first vacuum valve, the second vacuum valve, the 3rd vacuum valve and the 4th vacuum valve are arranged at institute State on test casing, the vacuum spark rifle is movably set on the test casing, first vacuum valve, the second vacuum Valve, the 3rd vacuum valve and the 4th vacuum valve are connected by flexible pipe with the vacuum pumping pump respectively;Also set up in the test box body Pressure sensor for detecting the vacuum of two Bu Shi pressure gauges and flexible pipe, the pressure sensor and the intelligence Digital display meter is connected;In the case where gas leakage is detected whether to Bu Shi pressure gauges, branch is vacuumized on two Bu Shi pressure gauges The upper port of pipe and compensation space is respectively true with first vacuum valve, the second vacuum valve, the 3rd vacuum valve and the 4th by pipeline A connection in empty valve, and the effective emulsion tube of sample-adding of the Bu Shi pressure gauges adds glass plug to seal, and takes out true by described Empty pump Bu Shi pressure gauges described to two are vacuumized, and the hand-held vacuum spark rifle is near two Bu Shi pressure gauges with to it Detect whether gas leakage.
In order to the utility model is better achieved, further technical scheme is:
According to an embodiment of the present utility model, it is additionally provided with for Suo Shushi pressure gauges in the test box body Compensation space be filled with the aeration valve of air.
The utility model can also be:
Branch pipe and compensation sky are vacuumized according in another embodiment of the present utility model, with the Bu Shi pressure gauges Between upper port connection pipeline be vacuum hose.
Compared with prior art, one of the beneficial effects of the utility model are:
A kind of Bu Shi pressure-gage inspecting devices of the present utility model, it is rational in infrastructure, it is easy to use, it is mobile flexible, reduce The danger of Site Welding operation and duty cycle, operating efficiency is greatly improved, either installing or debugging cloth It is all fairly simple, convenient during family name's pressure gauge, it is adapted to promote the use of.
Brief description of the drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for the description of prior art is briefly described, it should be apparent that, drawings in the following description are only It is the reference to some embodiments in present specification, for those skilled in the art, is not paying creative work In the case of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the Bu Shi pressure-gage inspecting devices according to the utility model one embodiment.
Fig. 2 is the structural representation of the Bu Shi pressure gauges according to the utility model one embodiment.
Wherein, it is entitled corresponding to the reference in accompanying drawing:
1- tests casing, 2- vacuum pumping pumps, 3- vacuum spark rifles, 4- intellect digital displays, 5- aeration valves, 6- first Vacuum valve, the vacuum valves of 7- second, the vacuum valves of 8- the 3rd, the vacuum valves of 9- the 4th, 10- Bu Shi pressure gauges, 11- vacuumizes branch Pipe, 12- compensation spaces, 13- upper ports, 14- sample-adding pipes.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but implementation method of the present utility model is not It is limited to this.
Referring to as depicted in figs. 1 and 2, a kind of Bu Shi pressure-gage inspecting devices, including it is test casing 1, vacuum pumping pump 2, true Empty spark rifle 3, intellect digital display 4, the first vacuum valve 6, the second vacuum valve 7, the 3rd vacuum valve 8 and the 4th vacuum valve 9, the survey For placing two Bu Shi pressure gauges 10 in examination casing 1, the intellect digital display 4, aeration valve 5, the first vacuum valve 6, second are true Empty valve 7, the 3rd vacuum valve 8 and the 4th vacuum valve 9 are arranged on the test casing 1, and the vacuum spark rifle 3 is movably set in On the test casing 1, first vacuum valve 6, the second vacuum valve 7, the 3rd vacuum valve 8 and the 4th vacuum valve 9 pass through respectively Flexible pipe is connected with the vacuum pumping pump 2;Also set up for detecting two Bu Shi pressure gauges 10 and soft in the test casing 1 The pressure sensor of the vacuum of pipe, the pressure sensor is connected with the intellect digital display 4;Examined to Bu Shi pressure gauges 10 Survey whether in the case of gas leakage, the upper port 13 for vacuumizing branch pipe 11 and compensation space 12 on two Bu Shi pressure gauges 10 Respectively it is connected with first vacuum valve 6, the second vacuum valve 7, the 3rd vacuum valve 8 and the 4th vacuum valve 9 by pipeline, And the sample-adding pipe 14 of the Bu Shi pressure gauges 10 emulsion tube adds glass plug to seal, by two institutes of the vacuum pumping pump 2 pair State Bu Shi pressure gauges 10 to vacuumize, the hand-held vacuum spark rifle 3 is to detect it near two Bu Shi pressure gauges 10 No gas leakage.
The aeration valve 5 for being filled with air to the compensation space 12 of Suo Shushi pressure gauges 10 is additionally provided with test casing 1.
The pipeline of the connection of upper port 13 for vacuumizing branch pipe 11 and compensation space 12 on Bu Shi pressure gauges 10 is vacuum glue Pipe.
The structure with reference to disclosed in above example, is used for process and is described further below:
To make each part be in normal operating conditions, according to step, by through the qualified left side as shown in Figure 1 of volume calibration The vacuum hose of Bu Shi pressure gauges 10 is connected to first vacuum valve 6 and the second vacuum valve 7 of test system, right side as shown in Figure 1 The vacuum hose of Bu Shi pressure gauges 10 is connected to the 3rd vacuum valve 8 and the 4th vacuum valve 9 of test system, stifled with emulsion tube plus glass The sample-adding pipe 14 of head Mi Fengbushi pressure gauges 10, in the first vacuum valve 6, the second vacuum valve 7, the 3rd vacuum valve 8 and the 4th vacuum Valve 9 is in the state of opening, and vavuum pump 2, vacuum main valve are opened successively, now the display Bu Shi of intellect digital display 4 pressure gauges 10 Vacuum under vacuum conditions.With vacuum spark rifle 3 check Bu Shi pressure gauges 10 under vacuum conditions whether gas leakage:If electric Spark is the light blue good seal of expression Bu Shi pressure gauges 10, if electric spark is pale red representing the gas leakage of Bu Shi pressure gauges 10. Hunted leak again after sealing air-leak section is welded if the gas leak phenomenon of Bu Shi pressure gauges 10 category can repair situation (as outer wall there are sand holes etc.), If unrepairable situation, then this Bu Shi pressure gauge 10 is unqualified.
The second vacuum valve 7 and the 4th vacuum valve 9 that closing is connected with Bu Shi pressure gauges 10, are pressed by aeration valve 5 to Bu Shi The reaction compartment (compensation space 12) of power meter 10 be slowly filled with a certain amount of air make film cavity external and internal pressure difference for 1kPa~ When 2kPa or 3kPa~15kPa (poor by pressure sensor test pressure), pointer occurs to deviate and lean on wall (compensation space glass Inside pipe wall), then it is assumed that its sensitivity meets the requirements, otherwise is considered as unqualified.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other The difference of embodiment, identical similar portion cross-reference between each embodiment.
" one embodiment ", " another embodiment ", " embodiment " for being spoken of in this manual, etc., refer to knot Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description In.It is not necessarily to refer to same embodiment that statement of the same race occur in multiple places in the description.Furthermore, it is understood that with reference to appoint When one embodiment describes specific features, structure or a feature, what is advocated is this to realize with reference to other embodiment Feature, structure or feature also fall in the range of the utility model.
Although reference be made herein to multiple explanatory embodiments of the present utility model are described to the utility model, but, It should be understood that those skilled in the art can be designed that a lot of other modification and implementation methods, these are changed and implementation method To fall within spirit disclosed in the present application and spirit.More specifically, in disclosure and the scope of claim It is interior, various variations and modifications can be carried out to the building block of theme composite configuration and/or layout.Except to building block and/ Or be laid out outside the variations and modifications for carrying out, to those skilled in the art, other purposes also will be apparent.

Claims (3)

1. a kind of Bu Shi pressure-gage inspecting devices, it is characterised in that including test casing (1), vacuum pumping pump (2), vacuum spark rifle (3), intellect digital display (4), the first vacuum valve (6), the second vacuum valve (7), the 3rd vacuum valve (8) and the 4th vacuum valve (9), institute State for placing two Bu Shi pressure gauges (10) in test casing (1), it is the intellect digital display (4), aeration valve (5), first true Empty valve (6), the second vacuum valve (7), the 3rd vacuum valve (8) and the 4th vacuum valve (9) are arranged on test casing (1), institute State vacuum spark rifle (3) to be movably set on test casing (1), first vacuum valve (6), the second vacuum valve (7), the Three vacuum valves (8) and the 4th vacuum valve (9) are connected by flexible pipe with the vacuum pumping pump (2) respectively;In test casing (1) Also set up the pressure sensor of the vacuum for detecting two Bu Shi pressure gauges (10) and flexible pipe, the pressure sensor It is connected with the intellect digital display (4);In the case where gas leakage is detected whether to Bu Shi pressure gauges (10), two Bu Shi pressures The upper port (13) of branch pipe (11) and compensation space (12) is vacuumized respectively by pipeline and first vacuum on power meter (10) A connection in valve (6), the second vacuum valve (7), the 3rd vacuum valve (8) and the 4th vacuum valve (9), and the Bu Shi pressure gauges (10) sample-adding pipe (14) emulsion tube adds glass plug to seal, by the vacuum pumping pump (2) Bu Shi pressure described to two Meter (10) is vacuumized, and the hand-held vacuum spark rifle (3) detects whether Lou near two Bu Shi pressure gauges (10) with to it Gas.
2. Bu Shi pressure-gage inspecting devices according to claim 1, it is characterised in that is also set up in the test casing (1) There is the aeration valve (5) that air is filled with for the compensation space (12) to Suo Shushi pressure gauges (10).
3. Bu Shi pressure-gage inspecting devices according to claim 1, it is characterised in that on the Bu Shi pressure gauges (10) The pipeline of the upper port (13) for vacuumizing branch pipe (11) and compensation space (12) connection be vacuum hose.
CN201621247068.0U 2016-11-15 2016-11-15 Bu Shi pressure-gage inspecting devices Active CN206223592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621247068.0U CN206223592U (en) 2016-11-15 2016-11-15 Bu Shi pressure-gage inspecting devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621247068.0U CN206223592U (en) 2016-11-15 2016-11-15 Bu Shi pressure-gage inspecting devices

Publications (1)

Publication Number Publication Date
CN206223592U true CN206223592U (en) 2017-06-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621247068.0U Active CN206223592U (en) 2016-11-15 2016-11-15 Bu Shi pressure-gage inspecting devices

Country Status (1)

Country Link
CN (1) CN206223592U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110455593A (en) * 2019-08-15 2019-11-15 中国工程物理研究院化工材料研究所 A kind of explosive aging outgassing collector and sealing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110455593A (en) * 2019-08-15 2019-11-15 中国工程物理研究院化工材料研究所 A kind of explosive aging outgassing collector and sealing device

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