CN209745752U - Novel hand-held type SF6 gas density detection device - Google Patents
Novel hand-held type SF6 gas density detection device Download PDFInfo
- Publication number
- CN209745752U CN209745752U CN201920221590.9U CN201920221590U CN209745752U CN 209745752 U CN209745752 U CN 209745752U CN 201920221590 U CN201920221590 U CN 201920221590U CN 209745752 U CN209745752 U CN 209745752U
- Authority
- CN
- China
- Prior art keywords
- gas
- pressure sensor
- shell
- conversion module
- bottom end
- 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.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
the utility model discloses a novel hand-held type SF6 gas density detection device, including shell, relief valve, pressure sensor and density conversion module, the flowmeter is installed in the bottom connection of relief valve, and the one end of installing at pressure sensor is connected to the bottom of flowmeter, and pressure sensor's top fixed mounting has temperature sensor, and pressure sensor's bottom is equipped with density conversion module, density conversion module's bottom is equipped with the singlechip, and the bottom of singlechip is equipped with the battery, pressure sensor's the other end is connected and is installed the solenoid valve, and the one end at the gas outlet is installed in the solenoid valve connection, and gas outlet fixed mounting is at the surface top opposite side of shell. The utility model discloses a hand-held type structural design conveniently carries the use to and inside is equipped with relief valve, flowmeter, temperature sensor, pressure sensor, density conversion module, singlechip, display screen and solenoid valve, can accurately measure SF6 gas density, convenient and fast.
Description
Technical Field
The utility model relates to an electrical instrument technical field specifically is a novel hand-held type SF6 gas density detection device.
Background
The SF6 gas density relay is an important protection and control element in a power system, if a breaker fails, great economic loss is caused, and in order to ensure the operation reliability of the breaker, various indexes of the breaker, particularly SF6 gas, must be monitored frequently to meet the regulations of relevant standards so that the SF6 breaker can keep a good working state for a long time. The SF6 gas in an SF6 circuit breaker is sealed in a fixed container having a density value at a nominal pressure of 20 ℃, and the density value of the SF6 gas is constant, despite the variation in pressure of the SF6 gas with temperature, over the range of allowable conditions for circuit breaker operation. Since the insulation and arc extinguishing performance of the SF6 circuit breaker depends to a large extent on the purity and density of SF6 gas, the detection of the purity density of SF6 gas is particularly important. The following outstanding problems currently exist in testing: when the precise pressure gauge and the thermometer in the laboratory are measured in the environment other than 20 ℃, the standard density converted to 20 ℃ needs to be obtained by a conversion table. The efficiency is low, and work load is big, and there is great reading deviation by the pointer reading in common accurate pointer formula manometer.
In order to solve these problems, then people provide a novel hand-held type SF6 gas density detection device, the device adopts hand-held type structural design, conveniently carry the use, and inside is equipped with relief valve, flowmeter, temperature sensor, pressure sensor, density conversion module, singlechip, display screen and solenoid valve, can accurately measure SF6 gas density, convenient and fast, and traditional device needs external equipment to detect, and is more troublesome and extravagant time power.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel hand-held type SF6 gas density detection device possesses handheld accurate detection convenient and fast's advantage, has solved traditional device and has needed external equipment to detect, the problem of power when more troublesome and extravagant.
In order to achieve the above object, the utility model provides a following technical scheme: a novel handheld SF gas density detection device comprises a shell, a safety valve, a pressure sensor and a density conversion module, an air inlet is arranged on one side of the top end of the outer surface of the shell, the top end of the air inlet is connected with a connecting pipe, the bottom end of the air inlet is connected with a safety valve, the safety valve is arranged on one side of the top end in the shell, the bottom end of the safety valve is connected with and provided with a flowmeter, the bottom end of the flowmeter is connected with and arranged at one end of a pressure sensor, the top end of the pressure sensor is fixedly provided with a temperature sensor, the bottom end of the pressure sensor is provided with a density conversion module, the bottom end of the density conversion module is provided with a singlechip, the bottom end of the singlechip is provided with a storage battery, the other end of the pressure sensor is connected with and installed with an electromagnetic valve, the electromagnetic valve is connected and installed at one end of the air outlet, and the air outlet is fixedly installed at the other side of the top end of the outer surface of the shell.
Preferably, one side of the bottom end of the outer surface of the shell is provided with a protective belt.
Preferably, the threshold of the safety valve is 1 MPa.
Preferably, the bottom end of the storage battery is connected with a rotary plug, and the rotary plug is embedded in the bottom end of the outer surface of the shell.
Preferably, the front end of the outer surface of the shell is embedded with a display screen.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. The utility model discloses a set up the flowmeter, make the SF6 gas that the relief valve transmission was come can measure current flow data, reached the effect that detects SF6 gas flow data, through setting up temperature sensor, make the gaseous temperature of the inside SF6 of pressure sensor can detect, reached the effect that detects SF6 gas temperature data.
2. The utility model discloses a set up pressure sensor, make the flowmeter transmission SF6 gas of coming can measure pressure data, reached the effect that detects SF6 gas pressure data, through setting up density conversion module, make pressure sensor detect SF6 gas pressure data and carry out conversion density data and transmit for the singlechip, reached the effect of conversion.
Drawings
Fig. 1 is a schematic view of the appearance structure of the utility model;
FIG. 2 is a schematic view of the internal structure of the present invention;
Fig. 3 is a schematic diagram of the electrical structure of the present invention.
In the figure: 1. a connecting pipe; 2. an air inlet; 3. a housing; 4. a display screen; 5. an air outlet; 6. a safety valve; 7. a flow meter; 8. a temperature sensor; 9. a pressure sensor; 10. a density conversion module; 11. a single chip microcomputer; 12. a storage battery; 13. an electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a novel hand-held SF6 gas density detection device comprises a shell 3, a safety valve 6, a pressure sensor 9 and a density conversion module 10, wherein an air inlet 2 is arranged on one side of the top end of the outer surface of the shell 3, a connecting pipe 1 is connected to the top end of the air inlet 2, the safety valve 6 is connected and installed at the bottom end of the air inlet 2, the safety valve 6 adopts an A28X-16T model, the safety valve 6 is wide in applicability and high in safety, the threshold of the safety valve 6 is 1MPa, the threshold of 1MPa can control the pressure of an output gas circuit to be within 1MPa, an instrument is prevented from being mistakenly connected with the gas pressure and damaged, a follow-up gas circuit and a meter can be effectively protected, the safety valve 6 is arranged on one side of the inner top end of the shell 3, a flow meter 7 is connected and installed at the bottom end of the safety valve 6, the flow, by using the utility model, the SF6 gas transmitted from the safety valve 6 can measure the current flow data by arranging the flowmeter 7, thereby achieving the effect of detecting SF6 gas flow data, the bottom end of the flowmeter 7 is connected and installed at one end of the pressure sensor 9, the pressure sensor 9 adopts 300PSI model, the model pressure sensor 9 has small volume and convenient installation, is suitable for the utility model, the SF6 gas transmitted from the flowmeter 7 can measure the pressure data by arranging the pressure sensor 9, thereby achieving the effect of detecting SF6 gas pressure data, the top end of the pressure sensor 9 is fixedly provided with the temperature sensor 8, the temperature sensor 8 adopts FST 600-model 101, the model temperature sensor 8 has fast reaction speed and high accuracy, is suitable for the utility model, the temperature of the SF6 gas inside the pressure sensor 9 can be detected by arranging the temperature sensor 8, reached the effect that detects SF6 gas temperature data, and pressure sensor 9's bottom is equipped with density conversion module 10, and density conversion module 10 adopts RPA60-2424SFW model, and this model density conversion module 10 is small, and the installation is simple, is applicable to the utility model discloses, through setting up density conversion module 10, make pressure sensor 9 detect SF6 gas pressure data and carry out conversion density data and transmit for singlechip 11, reached the effect of conversion.
The bottom of the density conversion module 10 is provided with a single chip microcomputer 11, the single chip microcomputer 11 adopts model STM32F103VBT6, the single chip microcomputer 11 has low price and small volume, and is suitable for the utility model, the single chip microcomputer 11 can process SF6 gas data transmitted by the flowmeter 7, the density conversion module 10 and the temperature sensor 8, and then the SF6 gas data is displayed and read for users by uniformly utilizing a display screen 4, the bottom of the single chip microcomputer 11 is provided with a storage battery 12, the bottom end of the storage battery 12 is connected and installed with a rotating plug, and the rotating plug is embedded and installed at the bottom end of the outer surface of the shell 3, the storage battery 12 is installed to enable the utility model to be standby for a long time, the storage battery 12 can be charged by an external power supply by the installation of the rotating plug, the other end of the pressure sensor 9 is connected and installed with a, crack control leak protection is suitable for the utility model discloses, solenoid valve 13's installation can be right the utility model discloses the inside SF6 gas that persists seals the separation, prevents that it from flowing away, and solenoid valve 13 connects the one end of installing at gas outlet 5, and 5 fixed mounting at the surface top opposite side of shell 3 of gas outlet, and surface bottom one side of shell 3 is equipped with the protecting band, and the installation of protecting band makes the utility model discloses make things convenient for the handheld use of taking of user, display screen 4 is installed in the surface front end embedding of shell 3, and the installation of display screen 4 makes the SF6 gas data that singlechip 11 handled show, and convenient to use personnel watch and read.
The working principle is as follows: in the utility model, the user needs to rotate the plug to vertically extend the plug, the utility model is inserted into the socket to charge the storage battery 12, after the charging is completed, the user inserts the hand between the protecting band and the shell 3 to carry the utility model to the place where the SF6 gas density needs to be detected, after the destination is reached, the user uses the air inlet 2 to connect and install the connecting pipe 1, the connecting pipe 1 is connected to the SF6 equipment valve, the valve on the SF6 equipment is rotated to open, then the SF6 gas in the SF6 equipment can reach the air inlet 2 through the connecting pipe 1, the gas enters the safety valve 6 through the air inlet 2, the gas is transmitted to the inside of the flowmeter 7 through the safety valve 6, the flowmeter 7 transmits the detected flow data to the singlechip 11, the gas reaches the pressure sensor 9 through the SF6 gas in the flowmeter 7, the pressure sensor 9 detects the pressure of the pressure and transmits the pressure data to the density conversion module 10, the density conversion module 10 converts the pressure data into density data and sends the density data to the single chip microcomputer 11, at this moment, the SF6 gas in the pressure sensor 9 can be detected by the temperature sensor 8, the temperature sensor 8 transmits the detected temperature data to the single chip microcomputer 11, and finally the SF6 gas reaches the closed electromagnetic valve 13, the single chip microcomputer 11 uniformly processes and displays the data transmitted by the flowmeter 7, the temperature sensor 8 and the density conversion module 10 on the display screen 4, so that the current density data of the SF6 gas can be accurately known, a user can also view the data comparison displayed on the SF6 density relay installed on the SF6 equipment, so that the accuracy of the current detected density data can be known, and after the use of the utility model is finished, the user rotates to close the valve on the SF6 equipment and simultaneously cuts off the connecting pipe 1 connected with the gas inlet 2, and connects and installs a shunt pipe to the waste gas bottle and the nitrogen gas bottle on the gas outlet 5, open the switch of solenoid valve 13, nitrogen gas in the nitrogen cylinder can be the utility model discloses in the gaseous discharge of inside SF6 delivered to the waste gas bottle, prevented indiscriminate emission pollution.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a novel hand-held type SF6 gas density detection device, includes shell (3), relief valve (6), pressure sensor (9) and density conversion module (10), its characterized in that: the gas-liquid separator is characterized in that a gas inlet (2) is arranged on one side of the top end of the outer surface of the shell (3), a connecting pipe (1) is connected to the top end of the gas inlet (2), a safety valve (6) is connected to the bottom end of the gas inlet (2), the safety valve (6) is arranged on one side of the top end of the inner portion of the shell (3), a flow meter (7) is connected to the bottom end of the safety valve (6), the bottom end of the flow meter (7) is connected to one end of a pressure sensor (9), a temperature sensor (8) is fixedly arranged on the top end of the pressure sensor (9), a density conversion module (10) is arranged on the bottom end of the pressure sensor (9), a single chip microcomputer (11) is arranged on the bottom end of the single chip microcomputer (11), a storage battery (12) is arranged on the bottom end of the single, and the air outlet (5) is fixedly arranged at the other side of the top end of the outer surface of the shell (3).
2. The novel handheld SF6 gas density detecting device of claim 1, wherein: one side of the bottom end of the outer surface of the shell (3) is provided with a protective belt.
3. the novel handheld SF6 gas density detecting device of claim 1, wherein: the threshold of the safety valve (6) is 1 MPa.
4. The novel handheld SF6 gas density detecting device of claim 1, wherein: the bottom of battery (12) is connected and is installed the rotation plug, and rotates the plug embedding and install the surface bottom at shell (3).
5. The novel handheld SF6 gas density detecting device of claim 1, wherein: and a display screen (4) is embedded in the front end of the outer surface of the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221590.9U CN209745752U (en) | 2019-02-22 | 2019-02-22 | Novel hand-held type SF6 gas density detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221590.9U CN209745752U (en) | 2019-02-22 | 2019-02-22 | Novel hand-held type SF6 gas density detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745752U true CN209745752U (en) | 2019-12-06 |
Family
ID=68707533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221590.9U Active CN209745752U (en) | 2019-02-22 | 2019-02-22 | Novel hand-held type SF6 gas density detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019116A (en) * | 2022-01-10 | 2022-02-08 | 云图启迪(南京)科技有限公司 | Gas monitoring devices is pressed in controllable control by temperature change |
-
2019
- 2019-02-22 CN CN201920221590.9U patent/CN209745752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019116A (en) * | 2022-01-10 | 2022-02-08 | 云图启迪(南京)科技有限公司 | Gas monitoring devices is pressed in controllable control by temperature change |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107064792B (en) | SF (sulfur hexafluoride)6Gas density relay calibrator | |
| CN203132614U (en) | Integrated plug-in battery powered electromagnetic flowmeter | |
| CN209802571U (en) | Pressure transmitter | |
| CN209745752U (en) | Novel hand-held type SF6 gas density detection device | |
| CN214066274U (en) | Ultrasonic wave remote control integral type level gauge | |
| CN113758653A (en) | Method for monitoring SF6 density relay in real time and pre-judging air leakage | |
| CN220120285U (en) | Explosion-proof pressure transmitter | |
| CN208537339U (en) | Density relay and gas insulated enclosed combined electrical apparatus | |
| CN105374624B (en) | A kind of gas density relay provided with external gas density level indicator | |
| CN203519073U (en) | Electromagnetic water meter | |
| CN210774152U (en) | SF6 gas state monitoring system for GIS equipment | |
| CN215573551U (en) | Explosion-proof type vacuum pressure sensor | |
| CN216978224U (en) | Internal pressure detection device of gas-insulated electrical equipment | |
| CN213481656U (en) | Air tightness tester for indoor gas pipeline | |
| CN215773759U (en) | Industrial gas alarm shell convenient to dismantle | |
| CN206479220U (en) | A kind of siphon liquid leakage rate monitors wireless acquisition terminal equipment | |
| CN201650367U (en) | Portable gas outburst predicting instrument | |
| CN213874482U (en) | Wireless intelligent sensor for transformer substation online monitoring | |
| CN213091064U (en) | Rural water supply teletransmission manometer | |
| CN215811051U (en) | Intelligent household flow pressure measuring water meter | |
| CN111238592A (en) | Remote intelligent control water meter | |
| CN210347511U (en) | SF6Dew point tester | |
| CN212542159U (en) | Expander detection device | |
| CN215641695U (en) | Novel gas density relay calibrator | |
| CN220961086U (en) | High-precision display operation SF6Density micro water sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |