CN107525624B - Vacuum degree instrument - Google Patents

Vacuum degree instrument Download PDF

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Publication number
CN107525624B
CN107525624B CN201710477483.8A CN201710477483A CN107525624B CN 107525624 B CN107525624 B CN 107525624B CN 201710477483 A CN201710477483 A CN 201710477483A CN 107525624 B CN107525624 B CN 107525624B
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Prior art keywords
module
vacuum degree
main control
detection circuit
control module
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CN201710477483.8A
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CN107525624A (en
Inventor
刘兆贝
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Ningbo Aifusen Electronic Co ltd
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Ningbo Aifusen Electronic Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00Vacuum gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00Analysing materials by measuring the pressure or volume of a gas or vapour

Abstract

The invention belongs to the technical field of electronics, and provides a vacuum degree instrument which comprises an upper cover and a bottom cover, wherein a detector main body is formed after the upper cover and the bottom cover are buckled, a containing cavity is formed between the upper cover and the bottom cover, a detection circuit is arranged in the containing cavity, a plurality of through slots for communicating an external environment with an internal detection circuit are formed on two sides of the detector main body, the detection circuit is used for detecting the vacuum degree of the external environment through calculation, so that the humidity in the current environment is calculated, and a hanging piece is further arranged on the upper end surface of the bottom cover. The invention has the advantages that the hanging piece is provided with the strong magnetic piece, so that the whole detector can be hung at any position needing to be used through the hanging piece, the use is convenient and quick, meanwhile, the requirement of detecting the humidity in the environment is met through detecting the vacuum degree, the detection precision of the whole detection circuit is high, the influence of the external environment is avoided, the stability is improved, and the production cost is reduced.

Description

Vacuum degree instrument
Technical Field
The invention belongs to the technical field of detection, and particularly relates to a vacuum degree meter.
Background
Vacuum degree and humidity detection is widely applied to various fields such as industry, agriculture, weather, medicine, household appliances and the like. The response time is an important index parameter of vacuum degree and humidity, and in some special application occasions, such as the application of a sonde in meteorological monitoring, the detected vacuum degree and humidity can change rapidly, so that the index of the response time is important.
Vacuum refers to the density of gas molecules in a space compared to the standard state, while humidity generally refers to the number of gaseous water molecules. In addition to nitrogen and oxygen, air contains many other gases, moisture is one of them, so that in general, the higher the humidity, the smaller the vacuum degree,
vacuum degree, humidity response time need produce humidity step signal and record the dynamic response characteristic under the step through specific device, and vacuum degree appearance among the prior art is simple structure not only, and inconvenient when using, and the circuit of whole vacuum degree appearance is and is in the environment that is comparatively open simultaneously, is liable to receive the influence of environmental noise, consequently measurement accuracy is not high.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides the vacuum degree instrument which has the advantages of simple structure, convenient hanging and high measurement precision.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a vacuum degree instrument, includes upper cover and bottom, its characterized in that, upper cover and bottom lock back be formed with the detector main part upper cover and bottom between be formed with the holding chamber, the holding intracavity install detection circuitry the both sides of detector main part on set up a plurality of logical slotted holes with communicating external environment with inside detection circuitry, detection circuitry detect external environment vacuum degree through calculating to calculate the humidity under the present environment the up end of bottom still be provided with and hang the piece.
The measures adopted for optimizing the scheme specifically comprise:
in the vacuum degree meter, the hanging piece comprises a hanging connecting rope, a hanging hook and a strong magnetic adhesive piece, wherein the strong magnetic adhesive piece is connected with one end of the hanging connecting rope, the other end of the hanging connecting rope is connected with the hanging hook, hook feet are arranged on two sides of the hanging hook, and a hook groove matched with the hook feet is formed in the bottom cover.
In the vacuum degree meter, the detection circuit comprises the following modules:
the main control module is used for controlling the operation of the whole detection circuit;
the power supply module is used for supplying power to each module in the circuit;
the vacuum degree sensing module is used for collecting the vacuum degree in the environment and converting the analog signals into digital signals;
the comparison and amplification module is connected to the vacuum degree sensing module and is used for comparing and amplifying the received vacuum digital signals;
the main control module is also electrically connected with a wireless alarm module, and the wireless alarm module is provided with a bee sensor. When the critical detection limit is reached, wireless alarm can be realized through the wireless alarm module, and reminding is carried out through the bee sensor;
the display module is electrically connected with the main control module and used for displaying the current vacuum degree and humidity;
and the main control module receives the amplified vacuum degree digital signals, calculates the vacuum degree and the humidity in the current state and displays the corresponding vacuum degree and humidity on the display module.
The measures adopted for optimizing the scheme specifically comprise:
in the vacuum degree meter, the main control module is further electrically connected with a filtering module, the filtering module is used for filtering signals in the circuit, and the filtering module is provided with a crystal oscillator. After filtering by the filtering module, the crystal oscillator is used for generating oscillation, so that the detection accuracy is improved.
In the vacuum degree meter, the main control module is further electrically connected with the filtering module and the correction and adjustment module. The correction and adjustment can be performed by the correction and adjustment module, so that the accuracy of the detection data is ensured.
In the vacuum degree meter, the main control module is further electrically connected with a reset module. The reset of the entire detection circuit can be realized here by means of a reset module.
In the vacuum degree meter, the power module is also electrically connected with a low-voltage prompt module. Here, when the whole detecting instrument is at low voltage, the low voltage prompt module can be used for prompting and alarming.
In the vacuum degree meter, the main control module is further connected with a program downloading port and a program updating port. The program in the whole detection circuit can be downloaded through the program downloading port, and meanwhile, the program in the detection circuit can be updated through the program updating port, so that the method is convenient and quick.
In the vacuum degree meter, the main control module is also connected with a key operation module. The corresponding setting can be performed by the key operation module.
Compared with the prior art, the invention has the advantages that the hanging part is provided with the strong magnetic part, so that the whole detector can be hung at any position needing to be used through the hanging part, the use is convenient and quick, meanwhile, the requirement of detecting the humidity in the environment is met through detecting the vacuum degree, the detection precision of the whole detection circuit is high, the detection circuit is not influenced by the external environment, the stability is improved, the production cost is reduced, the large-scale production can be ensured, the market requirement is met, and the invention can be widely applied to the industries such as environmental monitoring, meteorological measurement, intelligent building, aerospace, military industry, petrochemical industry, oil well, electric power, ships, pipelines and the like.
Drawings
Fig. 1 is an exploded view of a vacuum gauge.
Fig. 2 is a schematic diagram of a detection circuit of the vacuum degree meter.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In the figure, a main control module 1; a power supply module 2; a vacuum degree sensing module 3; a comparison amplification module 4; a display module 5; a filtering module 6; a correction adjustment module 7; a program download port 8; program update port 9; a reset module 10; a crystal oscillator 11; a key operation module 12; a low voltage prompting module 13; an upper cover 14; a bottom cover 15; a detector body 16; a housing chamber 17; a through slot 18; a hanging piece 19; hanging a connecting rope 20; a hanging hook 21; a strong magnetic adhesive member 22; a hook leg 23; a hook slot 24.
As shown in fig. 1, the vacuum degree meter comprises an upper cover 14 and a bottom cover 15, wherein a detector main body 16 is formed after the upper cover 14 and the bottom cover 15 are buckled, a containing cavity 17 is formed between the upper cover 14 and the bottom cover 15, a detection circuit is arranged in the containing cavity 17, a plurality of through slots 18 which are used for communicating the external environment with the internal detection circuit are formed on two sides of the detector main body 16, the detection circuit is used for detecting the vacuum degree of the external environment through calculation, so as to calculate the humidity in the current environment, a hanging piece 19 is further arranged on the upper end surface of the bottom cover, the hanging piece 19 comprises a hanging connecting rope 20, a hanging hook 21 and a strong magnetic pasting piece 22, the strong magnetic pasting piece 22 is connected with one end of the hanging connecting rope 20, the other end of the hanging connecting rope 20 is connected with the hanging hook 21, hook feet 23 are arranged on two sides of the hanging hook 21, and the hook feet 24 are arranged on the bottom cover 15, when the hook feet 23 are matched with the hook grooves 24, the whole hanging piece 19 and the whole detector main body 9 form a whole through calculation, the whole strong magnetic pasting piece 19 and the whole detector main body 9, and the whole magnetic pasting piece can be conveniently pasted to any position due to the fact that the strong magnetic pasting can be used.
As shown in fig. 2, the detection circuit of the whole detector comprises a main control module 1, a power supply module 2, a vacuum degree sensing module 3, a comparison amplifying module 4 and a display module 5, wherein the main control module 1 is used for controlling the whole detection circuit to operate, the power supply module 2 is used for supplying power to each module in the circuit, the power supply module 2 is further electrically connected with a low-voltage prompt module 13, the whole detector can be used for prompting and alarming through the low-voltage prompt module 13 when being at low voltage, the main control module 1 is further electrically connected with a filter module 6, the filter module 6 is provided with a crystal oscillator 11, the filter module 6 is used for filtering signals in the circuit, the accuracy of detection is improved after the signals are filtered through the filter module 6, the main control module 1 is further electrically connected with a correction adjustment module 7, correction adjustment can be performed through the correction adjustment module 7, and therefore accuracy of detection data is guaranteed.
In order to facilitate the program update and download of the whole detection circuit, the main control module 1 is also connected with a program download port 8 and a program update port 9, wherein the program inside the whole detection circuit can be downloaded through the program download port 8, and meanwhile, the program inside the detection circuit can be updated through the program update port 9, so that the method is convenient and quick.
The vacuum degree sensing module 3 is used for collecting the vacuum degree in the environment and converting the analog signal into a digital signal, the comparison and amplification module 4 is connected to the vacuum degree sensing module 3 and compares and amplifies the received vacuum digital signal, and the display module 5 is electrically connected to the main control module 1 and is used for displaying the current vacuum degree; the main control module 1 receives the amplified vacuum degree digital signals, calculates the vacuum degree and the humidity in the current state, and displays the corresponding vacuum degree and humidity on the display module 5.
The main control module 1 is also electrically connected with a reset module 10. The reset of the entire detection circuit can be realized here by the reset module 10.
The main control module 1 is also connected with a key operation module 12. The corresponding settings can be made here by means of the key operation module 12.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.

Claims (8)

1. The vacuum degree meter comprises an upper cover and a bottom cover, and is characterized in that a detector main body is formed after the upper cover and the bottom cover are buckled, a containing cavity is formed between the upper cover and the bottom cover, a detection circuit is arranged in the containing cavity, a plurality of through slots for communicating an external environment with the internal detection circuit are formed on two sides of the detector main body, the detection circuit is used for detecting the vacuum degree of the external environment through calculation, so that the humidity in the current environment is calculated, and a hanging piece is further arranged on the upper end face of the bottom cover;
the detection circuit comprises the following modules:
the main control module is used for controlling the operation of the whole detection circuit;
the power supply module is used for supplying power to each module in the circuit;
the vacuum degree sensing module is used for collecting the vacuum degree in the environment and converting the analog signals into digital signals;
the comparison and amplification module is connected to the vacuum degree sensing module and is used for comparing and amplifying the received vacuum digital signals;
the main control module is also electrically connected with a wireless alarm module, and the wireless alarm module is provided with a bee sensor;
the display module is electrically connected with the main control module and used for displaying the current vacuum degree and humidity;
and the main control module receives the amplified vacuum degree digital signals, calculates the vacuum degree and the humidity in the current state and displays the corresponding vacuum degree and humidity on the display module.
2. The vacuum degree meter according to claim 1, wherein the hanging member comprises a hanging connecting rope, a hanging hook and a strong magnetic adhesive member, the strong magnetic adhesive member is connected with one end of the hanging connecting rope, the other end of the hanging connecting rope is connected with the hanging hook, the two sides of the hanging hook are provided with hook feet, and the bottom cover is provided with hook grooves matched with the hook feet.
3. The vacuum degree meter of claim 1, wherein the main control module is further electrically connected to a filtering module, the filtering module is used for filtering signals in the circuit, and the filtering module is provided with a crystal oscillator.
4. The vacuum degree meter according to claim 1, wherein the main control module is further electrically connected with a filter module and a correction adjustment module.
5. The vacuum level gauge of claim 1, wherein the main control module is further electrically connected to a reset module.
6. The vacuum degree meter of claim 1, wherein the power module is further electrically connected with a low voltage prompt module.
7. The vacuum level gauge of claim 1, wherein the main control module is further coupled to a program download port and a program update port.
8. The vacuum degree meter according to claim 1, wherein the main control module is further connected with a key operation module.
CN201710477483.8A 2017-06-20 2017-06-20 Vacuum degree instrument Active CN107525624B (en)

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Application Number Priority Date Filing Date Title
CN201710477483.8A CN107525624B (en) 2017-06-20 2017-06-20 Vacuum degree instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710477483.8A CN107525624B (en) 2017-06-20 2017-06-20 Vacuum degree instrument

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CN107525624A CN107525624A (en) 2017-12-29
CN107525624B true CN107525624B (en) 2024-03-19

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1122909A (en) * 1995-06-09 1996-05-22 冯玉国 Method and apparatus for measuring the partial pressure of water vapor in vacuum
JP2005114574A (en) * 2003-10-08 2005-04-28 Kobe Steel Ltd Pirani vacuum gage
JP2006170875A (en) * 2004-12-17 2006-06-29 National Institute Of Advanced Industrial & Technology Humidity measuring method and humidity measuring device
CN101915636A (en) * 2010-06-30 2010-12-15 丹东科亮电子有限公司 Vacuum detector
CN204027763U (en) * 2014-09-05 2014-12-17 韩兵 A kind of energy-saving hand vacuum meter
CN204301924U (en) * 2014-11-27 2015-04-29 深圳奔迅汽车玻璃有限公司 A kind of vacuum detector for detecting degree of vacuum glass
CN105675600A (en) * 2016-02-24 2016-06-15 张银虎 Multifunctional detector
CN106813827A (en) * 2015-11-29 2017-06-09 重庆留鑫玻璃钢制品厂 A kind of vacuum degree measuring equipment for vacuum fibrous glass sealed pipe fittings
CN106813825A (en) * 2015-11-29 2017-06-09 重庆留鑫玻璃钢制品厂 A kind of vacuum measurement method for vacuum fibrous glass sealed pipe fittings
CN207231715U (en) * 2017-06-20 2018-04-13 宁波艾弗森电子有限公司 A kind of vacuum instrument

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1122909A (en) * 1995-06-09 1996-05-22 冯玉国 Method and apparatus for measuring the partial pressure of water vapor in vacuum
JP2005114574A (en) * 2003-10-08 2005-04-28 Kobe Steel Ltd Pirani vacuum gage
JP2006170875A (en) * 2004-12-17 2006-06-29 National Institute Of Advanced Industrial & Technology Humidity measuring method and humidity measuring device
CN101915636A (en) * 2010-06-30 2010-12-15 丹东科亮电子有限公司 Vacuum detector
CN204027763U (en) * 2014-09-05 2014-12-17 韩兵 A kind of energy-saving hand vacuum meter
CN204301924U (en) * 2014-11-27 2015-04-29 深圳奔迅汽车玻璃有限公司 A kind of vacuum detector for detecting degree of vacuum glass
CN106813827A (en) * 2015-11-29 2017-06-09 重庆留鑫玻璃钢制品厂 A kind of vacuum degree measuring equipment for vacuum fibrous glass sealed pipe fittings
CN106813825A (en) * 2015-11-29 2017-06-09 重庆留鑫玻璃钢制品厂 A kind of vacuum measurement method for vacuum fibrous glass sealed pipe fittings
CN105675600A (en) * 2016-02-24 2016-06-15 张银虎 Multifunctional detector
CN207231715U (en) * 2017-06-20 2018-04-13 宁波艾弗森电子有限公司 A kind of vacuum instrument

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