阅读说明：本技术 一种共平面差压变送器 (A kind of coplanar differential pressure transmitter ) 是由 李始丰 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种共平面差压变送器,包括顶管、传感器、共面法兰、法兰接头,顶管呈水平安装在传感器的顶部中间位置,共面法兰呈水平设置在传感器的底部中间位置,共面法兰的底部设有两块对称分布的法兰接头,传感器、共面法兰、法兰接头依次采用螺丝连接,顶管包括表盖、水平计和显示屏,顶管的一端安装有表盖,表盖的内部安装有显示屏,顶管的顶部中间位置安装有水平计,通过设置的水平计用于安装时进行水平标准测量,以提高安装精度以及安装效率,传感器的内部安装有两个电容压力处理机构,具有能够通过设置的水平计12保证安装时设备处于水平状态,提高安装效率和质量,通过能够实现差压检测等优点。(The invention discloses a kind of coplanar differential pressure transmitters, including push pipe, sensor, coplanar flange, bump joint, push pipe is in the top center position for being horizontally arranged at sensor, coplanar flange is in the bottom middle position for being horizontally set on sensor, the bottom of coplanar flange is equipped with two pieces of symmetrical bump joints, sensor, coplanar flange, bump joint successively uses screw connection, push pipe includes cover, leveler and display screen, one end of push pipe is equipped with cover, the inside of cover is equipped with display screen, the top center position of push pipe is equipped with leveler, by the leveler of setting for carrying out level standard measurement when installing, to improve installation accuracy and installation effectiveness, there are two capacitive pressure processing mechanisms for the inside installation of sensor, horizontality is in equipment when can install by the guarantee of the leveler 12 of setting , installation effectiveness and quality are improved, the advantages that by can be realized differential pressure measuring.)

1. a kind of coplanar differential pressure transmitter, including push pipe (1), sensor (2), coplanar flange (3), bump joint (4), special Sign is: the push pipe (1) is horizontally arranged at the top center position of sensor (2), and the coplanar flange (3) is horizontally set on The bottom in the bottom middle position of sensor (2), the coplanar flange (3) is equipped with two pieces of symmetrical bump joints (4), institute Sensor (2), coplanar flange (3), bump joint (4) are stated successively using threaded connection.

2. coplanar differential pressure transmitter according to claim 1, it is characterised in that: the push pipe (1) include cover (11), One end of leveler (12) and display screen (13), the push pipe (1) is equipped with cover (11), the inside installation of the cover (11) Have display screen (13), the top center position of the push pipe (1) is equipped with leveler (12).

3. coplanar differential pressure transmitter according to claim 1, it is characterised in that: install the inside of the sensor (2) There are two capacitive pressure processing mechanism (21), and the capacitive pressure processing mechanism (21) includes installing pipe (218), isolation diaphragm (211), rigid insulation part (212) and slip pipe (217), isolation diaphragm (211) insertion are mounted on the inside of installing pipe (218) The side of marginal position, the isolation diaphragm (211) is equipped with rigid insulation part (212), rigid insulation part (212) the insertion peace Mounted in the bosom position of installing pipe (218), two pieces of rigid insulation parts (212) are shared in the installing pipe (218), and are in pair Claim setting, be equipped with horizontal slip pipe (217) between the isolation diaphragm (211) and rigid insulation part (212), described two pieces just The inner sidewall of property insulating part (212) is mounted on circuit pole plate (213), is equipped with biography between two pieces of circuit pole plates (213) Feel diaphragm (214), filling liquid (215), the circuit pole plate are equipped between the circuit pole plate (213) and pressure-sensitive diaphragm (214) (213) top is equipped with lead (216).

4. coplanar differential pressure transmitter according to claim 1, it is characterised in that: the coplanar flange (3) includes pedestal (31), through-hole (32), wiring hole (33) and exhaust tapping valve (34), the top center position of the pedestal (31) are set there are two right Claim the through-hole (32) of distribution, there are two symmetrical exhaust tapping valve (34), the bases for the side installation of the pedestal (31) The side of seat (31) is equipped with wiring hole (33).

5. coplanar differential pressure transmitter according to claim 1, it is characterised in that: pacify the bottom of the coplanar flange (3) There are two bump joint (4), the through-holes (32) of middle position alignment pedestal (31) of the bump joint (4) for dress.

Technical field

The present invention relates to transmitter technical fields, are especially a kind of coplanar differential pressure transmitter.

Background technique

Transmitter is developed from sensor, and the sensor of all energy outputting standard signals, standard signal refers to object The form and quantitative range of reason amount all meet the signal of international standard, since direct current signal has not by inductance, capacitor in route And the influence of load characteristic, the advantages that phase shift problem is not present, so International Electrotechnical Commission (IEC) is by current signal and voltage Signal is determined as the unified standard of analog signal in Process Control System.

However, the analysis found that, existing transmitter is not easy to install, and is easy to lead because installation is not up to level standard It causes sensor to detect mistake, while cannot achieve differential pressure measuring.

Summary of the invention

Therefore, in order to overcome the above-mentioned deficiency of the prior art, the present invention provides a kind of coplanar differential pressure transmitter herein, has Having can guarantee that equipment be in horizontality when installing by the leveler of setting, raising installation effectiveness and quality, by can The advantages that realizing differential pressure measuring.

The invention is realized in this way a kind of coplanar differential pressure transmitter, including push pipe, sensor, coplanar flange, flange Connector, push pipe are horizontally arranged at the top center position of sensor, and coplanar flange is horizontally set on the bottom interposition of sensor It sets, the bottom of coplanar flange is equipped with two pieces of symmetrical bump joints, and sensor, coplanar flange, bump joint successively use It is threadedly coupled.

Further, push pipe includes cover, leveler and display screen, and one end of push pipe is equipped with cover, the inside of cover Display screen is installed, the top center position of push pipe is equipped with leveler, by the leveler of setting for carrying out water when installing Flat canonical measure, to improve installation accuracy and installation effectiveness.

Further, there are two capacitive pressure processing mechanism, capacitive pressure processing mechanism includes for the inside installation of sensor Installing pipe, isolation diaphragm, rigid insulation part and slip pipe, isolation diaphragm are embedded in the internal edge position for being mounted on installing pipe, isolation The side of diaphragm is equipped with rigid insulation part, and rigid insulation part is embedded in the bosom position for being mounted on installing pipe, is total in installing pipe There are two pieces of rigid insulation parts, and be symmetrical set, horizontal slip pipe is installed, two pieces just between isolation diaphragm and rigid insulation part Property insulating part inner sidewall be mounted on circuit pole plate, pressure-sensitive diaphragm is installed between two pieces of circuit pole plates, circuit pole plate and is passed Feel and be equipped with filling liquid between diaphragm, circuit pole plate top is equipped with lead, is carried out by the isolation diaphragm of setting to ambient pressure Detection, by the deformation power of generation come sensed pressure variation.

Further, coplanar flange includes pedestal, through-hole, wiring hole and exhaust tapping valve, the top center position of pedestal If there are two symmetrical exhaust tapping valves for the side installation of pedestal, and the side of pedestal is set there are two symmetrical through-hole There is wiring hole, the coplanar flange by setting adjusts internal pipe pressure for connecting sensor and pipeline to be measured Section.

Further, there are two bump joints, the middle position of bump joint to be directed at pedestal for the bottom installation of coplanar flange Through-hole, connect by the bump joint of setting with pipeline, can be improved sealing effect.

The present invention provides a kind of coplanar differential pressure transmitter by improving herein, with existing coplanar differential pressure transmitter phase Than having the advantages that has and can guarantee that equipment is in horizontality when installing, and improves installation by the leveler 12 of setting Efficiency and quality the advantages that by can be realized differential pressure measuring, embody are as follows:

Advantage 1: push pipe includes cover, leveler and display screen, and one end of push pipe is equipped with cover, the inside installation of cover There is display screen, the top center position of push pipe is equipped with leveler, and the leveler by setting is for installing when carry out level mark Locating tab assembly, to improve installation accuracy and installation effectiveness.

Advantage 2: there are two capacitive pressure processing mechanism, capacitive pressure processing mechanism includes installation for the inside installation of sensor Pipe, isolation diaphragm, rigid insulation part and slip pipe, isolation diaphragm are embedded in the internal edge position for being mounted on installing pipe, isolation diaphragm Side be equipped with rigid insulation part, rigid insulation part, which is embedded in, is mounted on the bosom position of installing pipe, shares two in installing pipe Block rigid insulation part, and be symmetrical set, horizontal slip pipe is installed, two pieces of rigidity are exhausted between isolation diaphragm and rigid insulation part The inner sidewall of edge part is mounted on circuit pole plate, is equipped with vertical pressure-sensitive diaphragm between two pieces of circuit pole plates, circuit pole plate with Filling liquid is equipped between pressure-sensitive diaphragm, circuit pole plate top is equipped with lead, by the isolation diaphragm of setting to ambient pressure into Row detection, by the deformation power of generation come sensed pressure variation.

Advantage 3: coplanar flange includes pedestal, through-hole, wiring hole and exhaust tapping valve, and the top center position of pedestal is equipped with Two symmetrical through-holes, there are two symmetrical exhaust tapping valve, the side of pedestal, which is equipped with, to be connect for the side installation of pedestal String holes, the coplanar flange by setting are adjusted internal pipe pressure, altogether for connecting sensor and pipeline to be measured There are two bump joint, the through-holes of the middle position alignment pedestal of bump joint to pass through the method for setting for the bottom installation of face flange Blue connector to connect with pipeline, can be improved sealing effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the coplanar differential pressure transmitter of the present invention；

Fig. 2 is the whole side view sectional side elevation of the coplanar differential pressure transmitter of the present invention；

Fig. 3 is the partial structural diagram of coplanar flange in the coplanar differential pressure transmitter of the present invention；

Fig. 4 is the partial structural diagram of sensor in the coplanar differential pressure transmitter of the present invention；

Fig. 5 is the partial cutaway view of capacitive pressure processing mechanism in the coplanar differential pressure transmitter of the present invention.

Serial number as shown in the figure: push pipe 1, cover 11, leveler 12, display screen 13, sensor 2, capacitive pressure processing mechanism 21, isolation diaphragm 211, rigid insulation part 212, circuit pole plate 213, pressure-sensitive diaphragm 214, filling liquid 215, lead 216, slip pipe 217, installing pipe 218, coplanar flange 3, pedestal 31, through-hole 32, wiring hole 33, exhaust tapping valve 34 and bump joint 4.

Specific embodiment

Below in conjunction with Figure of description, the present invention is described in detail, technical solution in the embodiment of the present invention into Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work Every other embodiment, shall fall within the protection scope of the present invention.In addition, term " first ", " second ", " third ", "upper", "lower", "left", "right" etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Meanwhile in the present invention Description in unless specifically defined or limited otherwise, term " connected ", " connection " shall be understood in a broad sense, for example, it may be solid Fixed connection, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be It is connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.

The present invention provides a kind of coplanar differential pressure transmitter by improving herein, can be according to as shown in Figure of description As under type is practiced；Including push pipe 1, sensor 2, coplanar flange 3, bump joint 4, push pipe 1 is horizontally arranged at sensor 2 Top center position, coplanar flange 3 is horizontally set on the bottom middle position of sensor 2, and the bottom of coplanar flange 3 is equipped with two The symmetrical bump joint 4 of block, sensor 2, coplanar flange 3, bump joint 4 are successively using threaded connection.

Push pipe 1 includes cover 11, leveler 12 and display screen 13, and one end of push pipe 1 is equipped with cover 11, cover 11 it is interior Portion is equipped with display screen 13, and the top center position of push pipe 1 is equipped with leveler 12, and the leveler 12 by setting is for installing The measurement of Shi Jinhang level standard, to improve installation accuracy and installation effectiveness, there are two capacitive pressures for the inside installation of sensor 2 Processing mechanism 21, capacitive pressure processing mechanism 21 include installing pipe 218, isolation diaphragm 211, rigid insulation part 212 and slip pipe 217, isolation diaphragm 211 is embedded in the internal edge position for being mounted on installing pipe 218, and the side of isolation diaphragm 211 is equipped with rigidity absolutely Edge part 212, rigid insulation part 212 are embedded in the bosom position for being mounted on installing pipe 218, and two pieces have been shared in installing pipe 218 just Property insulating part 212, and be symmetrical set, horizontal slip pipe 217 is installed between isolation diaphragm 211 and rigid insulation part 212, two The inner sidewall of block rigid insulation part 212 is mounted on circuit pole plate 213, is equipped with pressure-sensitive diaphragm between two pieces of circuit pole plates 213 214, filling liquid 215 is equipped between circuit pole plate 213 and pressure-sensitive diaphragm 214,213 top of circuit pole plate is equipped with lead 216, leads to The isolation diaphragm 211 for crossing setting detects ambient pressure, by the deformation power of generation come sensed pressure variation, coplanar flange 3 include pedestal 31, through-hole 32, wiring hole 33 and exhaust tapping valve 34, and the top center position of pedestal 31 is set to be divided there are two symmetrical The through-hole 32 of cloth, there are two symmetrical exhaust tapping valve 34, the side of pedestal 31 is equipped with wiring for the side installation of pedestal 31 Hole 33 is used to connect sensor 2 and pipeline to be measured, internal pipe pressure is adjusted by the coplanar flange 3 of setting, There are two bump joint 4, the through-holes 32 of the middle position alignment pedestal 31 of bump joint 4 to pass through for the bottom installation of coplanar flange 3 The bump joint 4 of setting is connect with pipeline, can be improved sealing effect.

The working principle of this kind of coplanar differential pressure transmitter: firstly, two pipelines to be measured are passed through flange by staff Connector 4 is connect with two through-holes 32 of coplanar flange 3, when installation cooperation leveler 12 by sensor 2 in being horizontally mounted so that two The isolation diaphragm 211 of block alignment through-hole 32 is in level, when work, when liquid or gas in pipeline generate fluctuation, can squeeze every From diaphragm 211, isolation diaphragm 211 will drive slip pipe 217 toward movement at pressure-sensitive diaphragm 214, and slip pipe 217 can compress left side when moving Pressure process is passed to the filling liquid 215 at center, intermediate filling by the space between circuit pole plate 213 and pressure-sensitive diaphragm 214 Liquid 215 transfers the pressure to intermediate pressure-sensitive diaphragm 214, and pressure-sensitive diaphragm 214 is an elastic element, is displaced with suffered differential pressure Face changes (for GP gage pressure transmitter, low-pressure side sample of the atmospheric pressure as being applied to pressure-sensitive diaphragm), and pressure-sensitive diaphragm 214 is most Big displacement quantity is 0.004 inch (0.10 millimeter), and displacement is directly proportional to the pressure, and the circuit pole plate 213 of two sides detects biography Feel the position of diaphragm 214, the capacitive differential between pressure-sensitive diaphragm 214 and circuit pole plate 213 is converted into corresponding electric current, and leads to It crosses lead 216 and transmits a signal to display screen 13, shown by display screen 13.

To sum up；The coplanar differential pressure transmitter of the present invention, having compared with existing coplanar differential pressure transmitter can be by setting The leveler 12 set guarantees that equipment is in horizontality when installation, improves installation effectiveness and quality, by can be realized differential pressure inspection The advantages that survey.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.