CN203132781U - Sealing plug used for on-line detection of vacuum facilities - Google Patents

Sealing plug used for on-line detection of vacuum facilities Download PDF

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Publication number
CN203132781U
CN203132781U CN 201320106912 CN201320106912U CN203132781U CN 203132781 U CN203132781 U CN 203132781U CN 201320106912 CN201320106912 CN 201320106912 CN 201320106912 U CN201320106912 U CN 201320106912U CN 203132781 U CN203132781 U CN 203132781U
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CN
China
Prior art keywords
vacuum
sealing
plug
ceramic matrix
lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201320106912
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Chinese (zh)
Inventor
郑文宸
钟骁
明长友
罗存益
邹波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Craer Cryogenic Equipment Co ltd
Original Assignee
Chengdu Brilliant Science & Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN 201320106912 priority Critical patent/CN203132781U/en
Application granted granted Critical
Publication of CN203132781U publication Critical patent/CN203132781U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a sealing plug used for the on-line detection of vacuum facilities, which comprises a sealing plug base body. The sealing plug base body is provided with a vacuum detection device used for detecting the vacuum degree of a vacuum facility. According to the technical scheme of the utility model, due to the adoption of the sealing plug used for the on-line detection of vacuum facilities, potential safety hazards to vacuum facilities, such as vacuum tubes or vacuum containers, can be effectively prevented, while the vacuum leakage rate of the vacuum facilities can be detected in real time. Therefore, the long-time working stability of the vacuum facilities is improved, and the cost is controlled and lowered. Meanwhile, both the personnel safety and the operation safety of the vacuum facilities are ensured.

Description

A kind of sealing-plug for the online detection of vacuum
Technical field
The utility model relates to the vacuum tightness detection range of vacuum plant, is specifically related to a kind of sealing-plug that is used for the online detection of vacuum of the vacuum tightness for detection of vacuum tube or vacuum tank vacuum layer.
Background technology
Vacuum tube or vacuum tank through the production technology link to vacuum interlayer finish vacuumize after, in product preservation and use, or problems such as degasification is insufficient in the machining process, installation is improper all can cause the reduction of vacuum layer vacuum tightness because material itself is exitted.Vacuum layer reduces the heat preservation and insulation that the back directly influences vacuum pipe, the reduction of heat preservation and insulation directly causes energy resource consumption in the vacuum pipe, in use vacuum tightness can since the problem of material own or since problems such as processing technology, mounting process cause can not be long-term preservation, vacuum tightness can be gradually decline, if just lost the heat-insulation and heat-preservation effect after vacuum tightness drops to a certain degree, cause seepage, will cause the consumption that the energy is unnecessary and bring potential safety hazard.
At present the vacuum tightness that vacuum tube or vacuum tank in use can not online detection vacuum layer changes and the vacuum tightness of vacuum layer is given warning in advance, reports to the police, can only judge vacuum layer vacuum tightness by the visual inspection experience, or by the whether frosting and hang spontaneous phenomenon such as water and judge whether current vacuum layer vacuum tightness has descended of pipe surface or hold-up vessel surface, can not accurately obtain the value of the vacuum tightness of vacuum layer.
The utility model content
Goal of the invention of the present utility model is: the problem at prior art exists, a kind of sealing-plug for the online detection of vacuum is provided, and at vacuum plant the vacuum tightness that this sealing-plug that is used for the online detection of vacuum detects vacuum layer is installed.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of sealing-plug for the online detection of vacuum is characterized in that, comprises the sealing-plug matrix, and described sealing-plug matrix is provided with the vacuum checking device for detection of the vacuum tightness of vacuum plant.
Preferably, described vacuum checking device is that thermopair is regulated or for other class vacuum detection component.
Preferably, described sealing-plug matrix is ceramic matrix, described ceramic matrix below connects described thermopair regulates, described thermopair regulate be embedded in described ceramic matrix in first lead is connected, the described first lead two ends stretch out in two ends about the described ceramic matrix.
Further, described ceramic matrix below also is provided with the temperature sensor for detection of the temperature in the vacuum plant;
Wherein, described temperature sensor second lead interior with being embedded in described ceramic matrix is connected.
Preferably, described ceramic matrix is cylindric, and its outer surface is provided with seal groove.
Preferably, described ceramic matrix top is provided with round boss, and described first lead and second lead are positioned at described round boss and stretch out in this round boss.
Preferably, be embedded with the wiring protective cover on the described round boss.
When the sealing-plug for the online detection of vacuum of the present utility model uses, the sealing plug is installed on the vacuum plant wall, the end that sealing-plug connection thermopair is regulated is positioned at vacuum plant, detecting data derives by lead, lead connects outer treatment circuit, treatment circuit carries out the real-time online analysis according to detecting data to vacuum plant vacuum tightness, obtains the vacuum tightness of current vacuum layer.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
The use of the sealing-plug for the online detection of vacuum of the present utility model is effectively played vacuum plant (vacuum tube or vacuum tank) potential safety hazard and is taken precautions against, the vacuum leak rate detects in real time, raising equipment long-term working stability is controlled and is reduced cost, and guarantees personal safety and equipment uses safety.
Description of drawings
Fig. 1 is structural drawing of the present utility model.
Fig. 2 is the sealing-plug installment work synoptic diagram of vacuum detecting characteristic.
Mark among the figure: the 1-ceramic matrix, the 2-lead, the 3-temperature sensor, the 4-thermopair is regulated, the 5-seal groove, 6,7 and 8 are O-ring seal, 9-vacuum pumping port, 10-vacuum plant, 11-round boss.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Embodiment:
As shown in Figure 1, the sealing-plug that is used for the online detection of vacuum of present embodiment comprises the sealing-plug matrix, and described sealing-plug matrix is provided with the vacuum checking device for detection of the vacuum tightness of vacuum plant.
Concrete, described vacuum checking device is that thermopair regulates 4.Can certainly be other elements with online vacuum detecting characteristic.Described sealing-plug matrix is ceramic matrix 1, described ceramic matrix 1 below connects described thermopair and regulates 4, described thermopair regulate 4 be embedded in described ceramic matrix 1 in first lead be connected, the described first lead two ends stretch out in described ceramic matrix, and about in the of 1 two ends.Concrete, described first lead has four, and the part that four leads 2 stretch out in described ceramic matrix 1 lower end connects described thermopair and regulates 4.Described ceramic matrix 1 below also is provided with the temperature sensor 3 for detection of the temperature in the vacuum plant, and temperature sensor 3 adopts thermistor in the present embodiment.Described temperature sensor 3(thermistor) be embedded in described ceramic matrix 1 in second lead be connected.Described second lead has two, and the part that two leads 2 stretch out in described ceramic matrix 1 lower end connects described temperature sensor 3.Preferably, described ceramic matrix 1 is cylindric, and its outer surface is provided with seal groove 5.Described ceramic matrix 1 top is provided with round boss 11, and described first lead and second lead are positioned at described round boss 11 and stretch out in this round boss 11.Be embedded with wiring protective cover (not shown) on the described round boss 11.Concrete, ceramic matrix 1 can adapt to the high and low temperature environment as the carrier of vacuum detecting, and insulate in detecting data transmission procedure, and is noiseless to data-signal.Web member when working as the sealing-plug of vacuum detecting, round boss 11 is installed, is dismantled, the first embedded lead and second lead are as the conductor that detects data transmission, by first lead vacuum plant inner vacuum data are derived, by second lead vacuum plant internal temperature data is derived, by outer treatment circuit derived data is handled the acquisition vacuum values, the temperature data of collection can be used for revising vacuum values.Ceramic matrix 1 adopts existing pottery and metal integration technology encapsulation process with embedded first lead and second lead, and making between two materials does not have gas leak phenomenon, guarantees the impermeability of vacuum stopper.Thermopair regulates 4 for detecting the detecting element of vacuum values, is in the vacuum plant vacuum layer, is used as and detects vacuum values, and by the first embedded lead vacuum values data are derived.Temperature sensor 3(thermistor) is the detecting element of detected temperatures, is in the vacuum layer, be used as and detect vacuum plant vacuum layer temperature, and by the second embedded lead detected temperatures data are derived, and then obtain the vacuum layer temperature data.Be in thermopair in the vacuum layer regulate 4 and thermistor 3 on be equipped with element protection cover (not shown).The main body of sealing-plug adopts stupalith, adapting to the working environment of ultralow temperature, high temperature, and signal is realized noiseless collection and derivation.
Consult Fig. 2, the sealing plug is mounted on the vacuum pumping port 9 that is welded in advance on vacuum plant 10 outer walls.Under vacuum environment, utilize round boss that the sealing plug is installed on the vacuum pumping port 9 after exhausting vacuum, exhaust the vacuum final vacuum device 10 inside and outside Negative Pressure Difference that form, utilize air to the atmospheric pressure that sealing-plug applies, sealing-plug is seal-installed on the vacuum pumping port 9.Carry out three layers of enhanced leaktightness by O-ring seal 6 and O-ring seal 7 being installed respectively in the seal groove 5 on ceramic matrix 1 and O-ring seal 8 being set during installation under ceramic matrix 1 flange.Described O-ring seal is adopted as " O " shape silicone rubber O-ring.
The use of the sealing-plug for the online detection of vacuum of the present utility model is effectively played vacuum plant (vacuum tube or vacuum tank) potential safety hazard and is taken precautions against, the vacuum leak rate detects in real time, raising equipment long-term working stability is controlled and is reduced cost, and guarantees personal safety and equipment uses safety.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. a sealing-plug that is used for the online detection of vacuum is characterized in that comprise the sealing-plug matrix, described sealing-plug matrix is provided with the vacuum checking device for detection of the vacuum tightness of vacuum plant.
2. the sealing-plug for the online detection of vacuum according to claim 1 is characterized in that, described vacuum checking device is that thermopair is regulated.
3. the sealing-plug for the online detection of vacuum according to claim 2, it is characterized in that, described sealing-plug matrix is ceramic matrix, described ceramic matrix below connects described thermopair and regulates, described thermopair regulate be embedded in described ceramic matrix in first lead be connected, the described first lead two ends stretch out in up and down two ends of described ceramic matrix.
4. the sealing-plug for the online detection of vacuum according to claim 3 is characterized in that, described ceramic matrix below also is provided with the temperature sensor for detection of the temperature in the vacuum plant; Described temperature sensor second lead interior with being embedded in described ceramic matrix is connected.
5. according to claim 3 or 4 described sealing-plugs for the online detection of vacuum, it is characterized in that described ceramic matrix is cylindric, its outer surface is provided with seal groove.
6. the sealing-plug for the online detection of vacuum according to claim 5 is characterized in that, described ceramic matrix top is provided with round boss, and described first lead and second lead are positioned at described round boss and stretch out in this round boss.
7. the sealing-plug for the online detection of vacuum according to claim 6 is characterized in that, is embedded with the wiring protective cover on the described round boss.
CN 201320106912 2013-03-08 2013-03-08 Sealing plug used for on-line detection of vacuum facilities Expired - Lifetime CN203132781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320106912 CN203132781U (en) 2013-03-08 2013-03-08 Sealing plug used for on-line detection of vacuum facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320106912 CN203132781U (en) 2013-03-08 2013-03-08 Sealing plug used for on-line detection of vacuum facilities

Publications (1)

Publication Number Publication Date
CN203132781U true CN203132781U (en) 2013-08-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560786A (en) * 2017-09-08 2018-01-09 成都倍特科技有限责任公司 Vacuum on-line checking and its compensation system
CN108507716A (en) * 2018-04-16 2018-09-07 成都科瑞尔低温设备有限公司 A kind of intelligent online detection vacuum coupling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560786A (en) * 2017-09-08 2018-01-09 成都倍特科技有限责任公司 Vacuum on-line checking and its compensation system
CN107560786B (en) * 2017-09-08 2019-12-31 成都倍特科技有限责任公司 Vacuum degree on-line detection and compensation system thereof
CN108507716A (en) * 2018-04-16 2018-09-07 成都科瑞尔低温设备有限公司 A kind of intelligent online detection vacuum coupling
CN108507716B (en) * 2018-04-16 2024-05-14 成都科瑞尔低温设备有限公司 Intelligent on-line detection vacuum connector

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160419

Address after: 610000, Sichuan, Chengdu economic and Technological Development Zone (Longquanyi District) car No. seven, 360 East Road

Patentee after: CHENGDU CRAER CRYOGENIC EQUIPMENT Co.,Ltd.

Address before: 610041 hi tech Industrial Park, Chengdu hi tech Zone, Sichuan

Patentee before: CHENGDU BRILLIANT SCIENCE & TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130814