CN113551704B - Transmitter for online micro water density - Google Patents
Transmitter for online micro water density Download PDFInfo
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- CN113551704B CN113551704B CN202110779868.6A CN202110779868A CN113551704B CN 113551704 B CN113551704 B CN 113551704B CN 202110779868 A CN202110779868 A CN 202110779868A CN 113551704 B CN113551704 B CN 113551704B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention discloses an on-line transmitter for micro water density, which comprises a transmitter main body arranged on a line control unit and each sensor, wherein the transmitter main body comprises a detection tube, two detection channels which penetrate through the side wall and are horizontally arranged are arranged in the detection tube, a regulation and control cylindrical block is arranged on the inner wall of the detection channel, a conveying channel is arranged on the regulation and control cylindrical block, a servo motor is arranged on the outer wall of the detection tube, the servo motor is connected with the two regulation and control cylindrical blocks through a joint control assembly, a detection port is arranged on the side wall of the detection channel, and an exchangeable detection assembly is arranged in the detection port. According to the invention, two detection channels are arranged in the detection pipe, the servo motor is used for remotely controlling the regulation and control cylindrical blocks positioned in the two detection channels to move, the regulation and control cylindrical blocks move to the detection port from the regulation and control cylindrical blocks to realize opening, and gas is conveyed through the detection channels above and is contacted with the detection induction elements positioned in the detection port to realize detection, so that the uniformity and representativeness of the detection gas are ensured, and the detection effect is ensured.
Description
Technical Field
The invention relates to the technical field of transmitters, in particular to a transmitter for on-line micro water density.
Background
The micro water density transmitter consists of a pressure sensor, a density sensor, a temperature sensor, a communication circuit, a singlechip control circuit and the like, monitors the density micro water content and the temperature value in the air chamber in real time, circulates according to requirements in the operation process, and digitally transmits the measurement result in a bus mode, so that the condition of holding the operation equipment is accurately and timely learned; with the development of smart power grids, online monitoring becomes more and more important. The online micro-water density transmitter is used for monitoring the micro-water and the density of SF6 gas in the power closed container on line, has real-time online monitoring and realizes the online remote transmission function;
the sensor detection sensing end in the current transmitter is arranged in the detection channel and is contacted with the gas in the gas chamber at any time, and for gases without corrosiveness, the sensor detection sensing end can be contacted with the gas at any time, but for gases containing strong acid and strong base corrosiveness, the sensing end of the sensor is contacted with the gas at any time and can be continuously corroded by the gas, so that the sensor fails when the sensor is required to sense, and the gas in the current detection channel does not have liquidity, so that the gas detected for many times has uneven comprehensiveness, so that the detected gas and the gas in the gas chamber have certain difference to influence the detection effect, and the transmitter for the online micro water density is provided.
Disclosure of Invention
The invention aims to solve the problems that the detection sensing end of the existing sensor can be contacted with the sensor at any time, but for some gases containing strong acid and strong base corrosiveness, the sensing end of the sensor is contacted with the sensor at any time and is continuously corroded by the gas, so that the sensor fails when the sensor is required to sense, the gas in the existing detection channel does not have the liquidity, and the gas detected for multiple times is not uniform and comprehensive.
In order to achieve the purpose, the invention adopts the following technical scheme:
the transmitter for the on-line micro water density comprises a transmitter main body arranged on a line control unit and each sensor, and is characterized in that the transmitter main body comprises a detection tube (1), two detection channels (2) which penetrate through the side wall and are horizontally arranged are arranged in the detection tube (1), a regulation cylindrical block (3) is arranged on the inner wall of each detection channel (2), a conveying channel is arranged on the regulation cylindrical block (3), the conveying channel comprises a conveying through hole (10) which is arranged on the regulation cylindrical block (3) and penetrates through the outer side wall, and an inlet (11) which penetrates through the side wall and is communicated with the conveying through hole (10) is arranged at the end part of the regulation cylindrical block (3);
the outer wall of the detection tube (1) is provided with a servo motor (4), the servo motor (4) is connected with the two regulating cylindrical blocks (3) through a joint control component, the joint control assembly comprises a joint control port arranged in the detection tube (1), the output end of the servo motor (4) penetrates into the joint control port, a transmission shaft (13) is connected through a bevel gear component (12), the inner wall of the detection channel (2) is provided with a sliding limit groove (14), the inner wall of the sliding limit groove (14) is rotationally connected with an adjusting stud (15), the side wall of the regulating cylindrical block (3) is fixedly connected with a sliding limit groove (14), and a limit slider (16) in threaded connection with the adjusting stud (15), wherein one end of the adjusting stud (15) penetrates into the joint control port, a rotating gear (17) is fixedly connected, and a transmission gear (18) meshed with the rotating gear (17) is fixedly connected to the outer side wall of the transmission shaft (13);
the detection device is characterized in that a detection port (5) is formed in the side wall of the detection channel (2), a replaceable detection assembly is arranged in the detection port (5), a communication hole (6) penetrating through the detection tube (1) is formed in the side wall of the detection port (5), an input tube (7) and an output tube (8) are respectively arranged at two ends of the detection tube (1), the replaceable detection assembly comprises an arc port formed in the detection port (5), the inner wall of the arc port is rotatably connected with a detection disc (19) through a connecting shaft, induction elements (20) of a plurality of sensors are uniformly arranged on the outer side wall of the detection disc (19), a protective cover (21) is arranged at the top of the detection disc (19), the sensors are positioned in the protective cover (21), an air inlet is formed in the end part of the input tube (7), an air collection cavity (22) is formed in the air inlet, and a one-way conveying assembly is arranged in the air collection cavity (22), the air inlet is respectively provided with two shunting channels (23) communicated with the detection channel (2); the end parts of the input pipe (7) and the output pipe (8) are provided with pipeline connecting flanges (9).
Preferably, one-way conveying assembly is including offering spherical sealing port (24) on the air inlet, gas collecting chamber (22) lateral wall sliding connection has conflict post (25), conflict post (25) tip is provided with the reposition of redundant personnel ball (26) with spherical sealing port (24) looks adaptation, reposition of redundant personnel ball (26) are connected with gas collecting chamber (22) lateral wall through the conflict spring of cover on establishing conflict post (25) lateral wall.
Preferably, an output port is formed in the output pipe (8), and the output port is communicated with the two detection channels (2) together through a single channel (27) formed in the output pipe (8).
Compared with the prior art, the invention has the beneficial effects that:
1. this device is provided with two test passage in the test tube, when examining, can carry out remote control through servo motor and be located the regulation and control cylindricality piece of two test passage and remove, thereby make the regulation and control cylindricality piece of top remove detection mouth department, realize opening, the test passage who is located the bottom closes, gas is carried through the test passage of top, with being located the intraoral detection sensing element contact of detection, realize detecting, the gas of assurance detection is in the circulation state, guarantee the even representativeness of testing gas, ensure the detection effect.
2. When need not to detect, accessible reversal servo motor for the testing channel of top is closed, and the testing channel of below is opened and is carried gas, is located the intraoral detection sensing element of top testing channel and can not contact constantly with gas, thereby has effectively avoided gaseous corruption to sensing element, and improve equipment's life-span guarantees the result of use.
Drawings
FIG. 1 is a schematic structural diagram of an on-line micro water density transmitter according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic perspective view of a detection tube in the on-line micro water density transmitter according to the present invention;
FIG. 4 is a schematic diagram of a top cross-sectional structure of an on-line micro water density transmitter according to the present invention;
fig. 5 is a schematic structural diagram of a regulating conical block in the transmitter for on-line micro water density according to the present invention.
In the figure: the device comprises a detection pipe 1, a detection channel 2, a regulation and control cylindrical block 3, a servo motor 4, a detection port 5, a communication hole 6, an input pipe 7, an output pipe 8, a pipeline connecting flange 9, a delivery port 10, an inlet port 11, a bevel gear component 12, a transmission shaft 13, a sliding limiting groove 14, an adjusting stud 15, a limiting slider 16, a rotating gear 17, a transmission gear 18, a detection disc 19, an induction element 20, a protective cover 21, a gas collection cavity 22, a flow distribution channel 23, a spherical sealing port 24, a contact column 25, a flow distribution ball 26 and a single channel 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention 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", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, an on-line transmitter for micro water density comprises a transmitter main body installed on a line control unit and each sensor, the on-line control unit comprises a communication circuit and a single chip microcomputer control circuit, each sensor comprises a pressure sensor, a density sensor, a temperature sensor and the like, the transmitter main body comprises a detection tube 1, two detection channels 2 which penetrate through the side wall and are horizontally arranged are arranged in the detection tube 1, a regulating cylindrical block 3 is arranged on the inner wall of the detection channel 2, a conveying channel is arranged on the regulating cylindrical block 3, further, the conveying channel comprises a conveying through port 10 which is arranged on the regulating cylindrical block 3 and penetrates through the outer side wall, an inlet 11 which penetrates through the side wall and is communicated with the conveying through port 10 is arranged at the end part of the regulating cylindrical block 3, the inlet 11 and the conveying channel 10 which are arranged on the regulating cylindrical block 3 can be communicated with a communication hole 6 at the detection port, thereby causing bit detection channel 2 to be turned on.
The outer wall of the detection tube 1 is provided with a servo motor 4, the servo motor 4 is remotely controlled by a single chip microcomputer control circuit, which belongs to the prior art and is not described in detail herein, the servo motor 4 is connected with two regulating and controlling cylindrical blocks 3 through a joint control component, further, the joint control component comprises a joint control port arranged in the detection tube 1, the output end of the servo motor 4 penetrates into the joint control port and is connected with a transmission shaft 13 through a bevel gear component 12, the bevel gear component 12 comprises two bevel gears fixedly connected with the output end of the servo motor 4 and the transmission shaft 13, wherein the bevel gears at two sides are mutually meshed and connected, which can realize the change of the transmission direction, the inner wall of the detection channel 2 is provided with a sliding limiting groove 14, the inner wall of the sliding limiting groove 14 is rotatably connected with an adjusting stud 15, the side wall of the regulating and controlling cylindrical block 3 is fixedly connected with a limiting slider 16 which is positioned in the sliding limiting groove 14 and is in threaded connection with the adjusting stud 15, one end of the adjusting stud 15 penetrates into the joint control port and is fixedly connected with a rotating gear 17, and the outer side wall of the transmission shaft 13 is fixedly connected with a transmission gear 18 which is meshed and connected with the rotating gear 17.
The side wall of the detection port 5 is provided with a communication hole 6 penetrating through the detection tube 1, the two ends of the detection tube 1 are respectively provided with an input tube 7 and an output tube 8, and the end parts of the input tube 7 and the output tube 8 are respectively provided with a pipeline connecting flange 9; further, an air inlet is formed in the end portion of the input pipe 7, an air collecting cavity 22 is formed in the air inlet, a one-way conveying assembly is arranged in the air collecting cavity 22, and two flow distribution channels 23 communicated with the detection channel 2 are formed in the air inlet respectively.
Further, one-way conveying assembly is including seting up spherical sealing port 24 on the air inlet, 22 lateral wall sliding connection in gas collection chamber has conflict post 25, conflict post 25 tip be provided with the reposition of redundant personnel ball 26 of 24 looks adaptations of spherical sealing port, realize evenly carrying in two detection channel 2 with gas through setting up reposition of redundant personnel ball 26, and can effectually avoid the gaseous backward flow, ensure that gas is in the state of circulation, reposition of redundant personnel ball 26 is connected with 22 lateral walls of gas collection chamber through the conflict spring of cover establishing on the conflict post 25 lateral wall, the delivery outlet has been seted up in output tube 8, the delivery outlet communicates with two detection channel 2 jointly through the single passageway 27 of seting up in output tube 8, realize gaseous transport.
The invention can arrange a plurality of induction ends of each sensor, namely induction elements 20, on a detection disc 19 in a layered manner, and according to the service life of the detection disc 19, the positions of the induction elements 20 are replaced by rotating the detection disc 19, so that the induction elements 20 damaged by corrosion are replaced, and the unused induction elements 20 are moved into a detection port 5 by the rotation of the detection disc 19 to detect the gas in a gas chamber;
when detection is carried out, the servo motor 4 is remotely controlled to be started through the online control unit, so that the bevel gear component 12 at the end part of the servo motor drives the transmission shaft 13 to rotate, the transmission gear 18 on the transmission shaft 13 drives the rotating gear 17 connected with the transmission shaft to rotate, the rotating gear 17 drives the adjusting stud 15 fixedly connected with the rotating gear to rotate, the limiting slide block 16 in threaded connection with the adjusting stud 15 drives the adjusting cylindrical block 3 to move, the adjusting cylindrical block 3 positioned above moves backwards, the adjusting cylindrical block 3 positioned below moves forwards, the adjusting cylindrical block 3 moving backwards gradually moves to a detection port, at the moment, the inlet port 11 and the conveying channel 10 arranged on the adjusting cylindrical block 3 are communicated with the communication hole 6 at the detection port, and the detection channel 2 positioned above for detection is started, the lower regulation and control cylindrical block 3 moves forwards and can be separated from the detection port 5, and at the moment, the inlet 11 and the conveying channel 10 on the regulation and control cylindrical block 3 can not be in contact with the communication hole 6 at the detection port, so that the detection channel 2 at the bottom is closed;
gas in the upper detection channel 2 enters from the input pipe 7 and is fastened to the detection port 5 to be discharged, at the moment, the sensing element 20 arranged on the detection disc 19 in the detection port 5 can detect the gas in the detection port 5, and a pressure sensor, a density sensor, a temperature sensor and the like on the detection disc 19 can be in contact with the gas flowing continuously, so that the detected gas is in a circulating state, the uniformity and representativeness of the detected gas are ensured, and the detection effect is ensured;
when not examining, can reverse through remote control servo motor 4, make the regulation and control cylindricality piece 3 that is located the top of being connected with it can move forward, regulation and control cylindricality piece 3 of below can move backward, thereby the realization is to the closing of the testing channel 2 of top, utilize the testing channel 2 of below to carry out gaseous transport, it can not contact constantly with gas to be located the detection sensing element 20 of top testing channel 2 in the detection mouth 5, thereby effectively avoided gaseous corruption to sensing element 20, the life-span of improve equipment, guarantee the result of use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The transmitter for the on-line micro water density comprises a transmitter main body arranged on a line control unit and each sensor, and is characterized in that the transmitter main body comprises a detection tube (1), two detection channels (2) which penetrate through the side wall and are horizontally arranged are arranged in the detection tube (1), a regulation cylindrical block (3) is arranged on the inner wall of each detection channel (2), a conveying channel is arranged on the regulation cylindrical block (3), the conveying channel comprises a conveying through hole (10) which is arranged on the regulation cylindrical block (3) and penetrates through the outer side wall, and an inlet (11) which penetrates through the side wall and is communicated with the conveying through hole (10) is arranged at the end part of the regulation cylindrical block (3);
the outer wall of the detection tube (1) is provided with a servo motor (4), the servo motor (4) is connected with the two regulating cylindrical blocks (3) through a joint control component, the joint control assembly comprises a joint control port arranged in the detection tube (1), the output end of the servo motor (4) penetrates into the joint control port, a transmission shaft (13) is connected through a bevel gear component (12), the inner wall of the detection channel (2) is provided with a sliding limit groove (14), the inner wall of the sliding limit groove (14) is rotationally connected with an adjusting stud (15), the side wall of the regulating cylindrical block (3) is fixedly connected with a sliding limit groove (14), and a limit slider (16) in threaded connection with the adjusting stud (15), wherein one end of the adjusting stud (15) penetrates into the joint control port, a rotating gear (17) is fixedly connected, and a transmission gear (18) meshed with the rotating gear (17) is fixedly connected to the outer side wall of the transmission shaft (13);
the detection device is characterized in that a detection port (5) is formed in the side wall of the detection channel (2), a replaceable detection assembly is arranged in the detection port (5), a communication hole (6) penetrating through the detection tube (1) is formed in the side wall of the detection port (5), an input tube (7) and an output tube (8) are respectively arranged at two ends of the detection tube (1), the replaceable detection assembly comprises an arc port formed in the detection port (5), the inner wall of the arc port is rotatably connected with a detection disc (19) through a connecting shaft, induction elements (20) of a plurality of sensors are uniformly arranged on the outer side wall of the detection disc (19), a protective cover (21) is arranged at the top of the detection disc (19), the sensors are positioned in the protective cover (21), an air inlet is formed in the end part of the input tube (7), an air collection cavity (22) is formed in the air inlet, and a one-way conveying assembly is arranged in the air collection cavity (22), the air inlet is respectively provided with two shunting channels (23) communicated with the detection channel (2); the end parts of the input pipe (7) and the output pipe (8) are provided with pipeline connecting flanges (9).
2. The transmitter for the online micro water density according to claim 1, wherein the one-way transmission assembly comprises a spherical sealing port (24) formed on the air inlet, the side wall of the gas collection chamber (22) is slidably connected with a contact column (25), a shunt ball (26) matched with the spherical sealing port (24) is arranged at the end of the contact column (25), and the shunt ball (26) is connected with the side wall of the gas collection chamber (22) through a contact spring sleeved on the outer side wall of the contact column (25).
3. Transmitter for on-line micro water density according to claim 1, characterized in that an output port is provided in the output tube (8), said output port being in common communication with both detection channels (2) through a single channel (27) provided in the output tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110779868.6A CN113551704B (en) | 2021-07-09 | 2021-07-09 | Transmitter for online micro water density |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110779868.6A CN113551704B (en) | 2021-07-09 | 2021-07-09 | Transmitter for online micro water density |
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| CN113551704A CN113551704A (en) | 2021-10-26 |
| CN113551704B true CN113551704B (en) | 2022-08-09 |
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