CN202814461U - Integrated static pressure and differential pressure detection device - Google Patents
Integrated static pressure and differential pressure detection device Download PDFInfo
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- CN202814461U CN202814461U CN 201220299081 CN201220299081U CN202814461U CN 202814461 U CN202814461 U CN 202814461U CN 201220299081 CN201220299081 CN 201220299081 CN 201220299081 U CN201220299081 U CN 201220299081U CN 202814461 U CN202814461 U CN 202814461U
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Abstract
The utility model relates to an integrated static pressure and differential pressure detection device which comprises a pressure sensor module, a differential pressure transducer module and a pressure sensor leading device; fluid enters into two pressure cavities from two pressure introducing holes of a differential pressure sensor; a pressure sensing membrane of the differential pressure sensor detects the differential pressure value; and a pressure sensor is installed in one cavity of the differential pressure transducer, detects a pressure value at one end, and outputs an electric signal through the pressure sensor leading device. The flow value is calculated according to the pressure value and the differential pressure value, and is outputted in a standard signal way. When the pressure and the differential pressure value are not to be detected, pressure at two ends of a differential pressure gauge can be evacuated through a bleeder valve module; and the pressure sensor and the differential pressure transducer return to zero to ensure the measuring accuracy. The pressure value and the differential pressure value of a pipeline can be detected synchronously, the pressure sensor leading device can also isolate the explosion in achieving transmission of the electric signal, and the instrument of the differential pressure transducer module can be vertically or horizontally mounted, and is varied and convenient in display manner.
Description
Technical field
The utility model belongs to detection pipeline checkout equipment field, especially a kind of integrated static pressure for pipe detection, differential pressure measuring device.
Background technology
Traditional pressure, differential pressure pick-up pick-up unit are that the medium that needs to measure in pipeline by a threeway and valve on the impulse pipeline at differential pressure pick-up two ends is drawn, then fill a pressure transducer at the pipeline of drawing, detect the pressure of differential pressure pick-up one end.The method of this detected pressures can be because of uneven different with the environment temperature impact of pipeline internal medium, and institute's measuring pressure value and differential pressure pick-up two ends actual pressure value are not inconsistent.Will cause like this deviation of the calculating of follow-up flow, cause the measurement result distortion.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of integrated static pressure, differential pressure measuring device are provided, this device is the force value that detects pipeline one end by pressure transducer, detect the differential pressure value of pipe ends by differential pressure pick-up, and calculate ducted flow value by force value and difference.
The purpose of this utility model solves by the following technical programs:
This integrated static pressure, differential pressure measuring device comprise differential pressure pick-up assembly, pressure sensor assembly and pressure transducer thread guide devices; High-pressure medium introducing assembly and low piezodielectric introducing assembly that described differential pressure pick-up assembly comprises differential pressure pick-up and is installed on respectively the high and low pressure impression end of described differential pressure pick-up; Form respectively a pressure-sensitive cavity between the high and low pressure impression end of described high-pressure medium introducing assembly and low piezodielectric introducing assembly and differential pressure pick-up; And high-pressure medium is introduced on assembly and the low piezodielectric introducing assembly and is respectively equipped with the measuring media intake that is communicated with described pressure-sensitive cavity;
Described pressure sensor assembly comprises the pressure transducer housing and is installed on the interior pressure transducer of pressure transducer housing, described pressure transducer housing is installed on high-pressure medium and introduces on the assembly, and the high pressure of the feeling of stress receiving end of described pressure transducer and differential pressure pick-up impression end is in the same pressure-sensitive cavity; Described pressure transducer is drawn signal wire by the pressure transducer thread guide devices.
Above-mentioned high-pressure medium is introduced to be respectively equipped with on assembly and the low piezodielectric introducing assembly and is communicated to the separately drain valve of pressure-sensitive cavity.
Above-mentioned high-pressure medium introduces assembly and low piezodielectric is introduced assembly respectively by the first flange and the realization of the second flange, and described the first flange and the second flange are installed on the high and low pressure impression end of differential pressure pick-up by screw bolt and nut.
Above-mentioned pressure transducer thread guide devices comprises copper ring, set nut and sensor lead pipe; Described pressure transducer housing is cylindric, is provided with external thread after its outer end necking down; After one end of described sensor lead pipe inserts the necking down end of pressure transducer housing, by described set nut be arranged at copper ring in the set nut and the necking down end threaded engagement of pressure transducer housing, with sensor lead pipe press seal.
According to the above, the utility model proposes a kind of pick-up unit is vertical structure, and namely the lead end of described differential pressure pick-up assembly is arranged at the upper end; The measuring media intake of described the first flange and the second flange be vertically installed on the flange wall and inlet end all down; Described pressure sensor assembly and pressure transducer thread guide devices are installed on the left end of the first flange; The first drain valve of described the first flange is disposed radially on flange wall; Second of described the second flange is drained valve shaft to being arranged on its right-hand member.
In addition, it is horizontal structure that the utility model also proposes a kind of described pick-up unit, the lead end that is described differential pressure pick-up assembly also is up, the measuring media intake of described the first flange and the second flange is vertically installed on the flange wall and the intake level is installed, and described pressure sensor assembly and pressure transducer thread guide devices are installed on the left end of the first flange; The first drain valve of described the first flange radially is arranged on the flange wall; Second of described the second flange is drained valve shaft to being arranged on its right-hand member.
The utility model is to pass through pressure sensor assembly, the differential pressure pick-up assembly, the pressure transducer thread guide devices, after the three parts assembling was finished, after the line seal, fluid entered two pressure chambers from two tracting pressuring holes of differential pressure pick-up, the differential pressure pick-up pressure-sensitive diaphragm detects differential pressure value, pressure transducer is contained in the chamber of differential pressure pick-up, detects the force value of an end, by the pressure transducer thread guide devices electric signal is exported.And calculate flow value according to force value, differential pressure value, and export with standard signal.When not needing detected pressures and differential pressure value, can make pressure transducer by the pressure at the emptying differential pressure gauge of bleed valve assembly two ends, differential pressure pick-up makes zero, and guarantees measuring accuracy.The utility model can detect force value and the differential pressure value of pipeline simultaneously, and the pressure transducer thread guide devices can also be isolated explosion-proof when realizing electric signal transmission, and the instrument of differential pressure pick-up assembly can be erected dress, can horizontally fill the various convenience of display mode.
Description of drawings
Fig. 1 is the synoptic diagram of two kinds of embodiment of vertical structure of the present utility model;
Fig. 2 (a) is the B-B cut-open view of Fig. 1 (a), and Fig. 2 (b) is the A-A cut-open view of Fig. 1 (b);
Fig. 3 is the principle of work synoptic diagram of the utility model Fig. 1 (a);
Fig. 4 is horizontal type structure synoptic diagram of the present utility model.
Wherein: 1 is differential pressure pick-up; 2 is nut; 3 is bolt; 4 is the second drain valve; 5 is the second flange; 6 is the first drain valve; 7 is the sensor lead pipe; 8 is the first flange; 9 is the pressure transducer housing; 10 is set nut; 11 is copper ring; 12 is pressure transducer.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, integrated static pressure of the present utility model, differential pressure measuring device comprise differential pressure pick-up assembly, pressure sensor assembly and pressure transducer thread guide devices.Wherein the differential pressure pick-up assembly high-pressure medium that comprises differential pressure pick-up 1 and be installed on respectively the high and low pressure impression end of differential pressure pick-up 1 is introduced assembly and low piezodielectric is introduced assembly.Form respectively a pressure-sensitive cavity between the high and low pressure impression end of high-pressure medium introducing assembly and low piezodielectric introducing assembly and differential pressure pick-up 1, and be respectively equipped with the measuring media intake that is communicated with the pressure-sensitive cavity on high-pressure medium introducing assembly and the low piezodielectric introducing assembly.Pressure sensor assembly comprises pressure transducer housing 9 and is installed on pressure transducer 12 in the pressure transducer housing 9, pressure transducer housing 9 is installed on high-pressure medium and introduces on the assembly, and the high pressure of the feeling of stress receiving end of pressure transducer 12 and differential pressure pick-up 1 impression end is in the same pressure-sensitive cavity.Pressure transducer 12 is drawn signal wire by the pressure transducer thread guide devices.And, making zero in order to guarantee instrument reference pressure point, the utility model is introduced assembly and low piezodielectric at high-pressure medium and is introduced assembly and be respectively equipped with and be communicated to the separately drain valve of pressure-sensitive cavity.
More than be foundation structure of the present utility model, below in conjunction with the specific embodiment structural drawing in the accompanying drawing, above-mentioned structure of the present utility model done further illustrating:
Referring to Fig. 1 and Fig. 2, in the utility model, high-pressure medium introduces assembly and low piezodielectric is introduced assembly respectively by the first flange 8 and 5 realizations of the second flange, and wherein the first flange 8 and the second flange 5 are installed on the high and low pressure impression end of differential pressure pick-up 1 by bolt 3 and nut 2.The pressure transducer thread guide devices comprises copper ring 11, set nut 10 and sensor lead pipe 7; Described pressure transducer housing 9 is cylindric, is provided with external thread after its outer end necking down; After one end of described sensor lead pipe 7 inserts the necking down end of pressure transducer housing 9, by described set nut 10 be arranged at the necking down end threaded engagement of copper ring 11 and pressure transducer housing 9 in the set nut 10, with sensor lead pipe 7 press seals.In the utility model, sensor lead pipe 7 can adopt the dual mode shown in Fig. 1 (a) and Fig. 1 (b) to arrange that its inner structure cut-open view is shown in Fig. 2 (a) and Fig. 2 (b).
The pick-up unit of two kinds of embodiment shown in Figure 1 is vertical structure, and namely the lead end of differential pressure pick-up assembly is arranged at the upper end; The measuring media intake of the first flange 8 and the second flange 5 be vertically installed on the flange wall and inlet end all down, pressure sensor assembly and pressure transducer thread guide devices are installed on the left end of the first flange 8; The first drain valve 6 of the first flange 8 radially is arranged on the flange wall; The second drain valve 4 of the second flange 5 is axially disposed within its right-hand member.
Referring to Fig. 4, pick-up unit of the present utility model can also be horizontal type structure, the lead end that is the differential pressure pick-up assembly also is upwards, the measuring media intake of the first flange 8 and the second flange 5 is vertically installed on the flange wall and the entrance level, and pressure sensor assembly and pressure transducer thread guide devices are installed on the left end of the first flange 8; The first drain valve 6 of the first flange 8 radially is arranged on the flange wall; The second drain valve 4 of the second flange 5 is axially disposed within its right-hand member.
As shown in Figure 3, principle of work of the present utility model is as follows:
Detected medium enters two pressure-sensitive cavitys of differential pressure pick-up 1 by the tracting pressuring hole of the first flange 8 and the second flange 5, and differential pressure pick-up 1 detects the differential pressure value of pipe ends, and is converted into electric signal transmission to single-chip microcomputer.Pressure transducer housing 9 is welded on the first flange 8 simultaneously, and pressure transducer 12 is contained in the pressure transducer housing 9.Pressure transducer 12 detects the force value of pipeline one end, and is converted into electric signal and is transferred to single-chip microcomputer by the pressure transducer thread guide devices.The pressure transducer thread guide devices is installed on the first flange.After the instrument installation, a pressure-sensitive cavity of pressure transducer 12 and differential pressure pick-up 1 communicates, and it is identical medium that pressure transducer 12 detects with differential pressure pick-up 1, but like this direct-detection to the force value of pipeline one end and the differential pressure value of pipe ends.And data are accurately true.Becoming one pressure, differential pressure transmitter.
Total the above, integrated static pressure of the present utility model, that the differential pressure measuring device not only detects data is comprehensively accurate, but also can erect dress, also can horizontally fill, and installs rationally, it is convenient to show.
Claims (6)
1. an integrated static pressure, differential pressure measuring device is characterized in that: comprise differential pressure pick-up assembly, pressure sensor assembly and pressure transducer thread guide devices; High-pressure medium introducing assembly and low piezodielectric introducing assembly that described differential pressure pick-up assembly comprises differential pressure pick-up (1) and is installed on respectively the high and low pressure impression end of described differential pressure pick-up (1); Form respectively a pressure-sensitive cavity between the high and low pressure impression end of described high-pressure medium introducing assembly and low piezodielectric introducing assembly and differential pressure pick-up (1); And high-pressure medium is introduced on assembly and the low piezodielectric introducing assembly and is respectively equipped with the measuring media intake that is communicated with described pressure-sensitive cavity;
Described pressure sensor assembly comprises pressure transducer housing (9) and is installed on the interior pressure transducer (12) of pressure transducer housing (9), described pressure transducer housing (9) is installed on high-pressure medium and introduces on the assembly, and the high pressure of the feeling of stress receiving end of described pressure transducer (12) and differential pressure pick-up (1) impression end is in the same pressure-sensitive cavity; Described pressure transducer (12) is drawn signal wire by the pressure transducer thread guide devices.
2. integrated static pressure according to claim 1, differential pressure measuring device is characterized in that: be respectively equipped with on described high-pressure medium introducing assembly and the low piezodielectric introducing assembly and be communicated to the separately drain valve of pressure-sensitive cavity.
3. integrated static pressure according to claim 1, differential pressure measuring device, it is characterized in that: described high-pressure medium introduces assembly and low piezodielectric is introduced assembly respectively by the first flange (8) and the second flange (5) realization, and described the first flange (8) and the second flange (5) are installed on the high and low pressure impression end of differential pressure pick-up (1) by bolt (3) and nut (2).
4. integrated static pressure according to claim 1, differential pressure measuring device, it is characterized in that: described pressure transducer thread guide devices comprises copper ring (11), set nut (10) and sensor lead pipe (7); Described pressure transducer housing (9) is cylindric, is provided with external thread after its outer end necking down; After one end of described sensor lead pipe (7) inserts the necking down end of pressure transducer housing (9), by described set nut (10) be arranged at the necking down end threaded engagement of copper ring (11) and pressure transducer housing (9) in the set nut (10), with sensor lead pipe (7) press seal.
5. according to claim 1,2,3 or 4 described integrated static pressure, differential pressure measuring device, it is characterized in that: described pick-up unit is vertical structure, namely the lead end of described differential pressure pick-up assembly is arranged at the upper end; The measuring media intake of described the first flange (8) and the second flange (5) be vertically installed on the flange wall and inlet end all down; Described pressure sensor assembly and pressure transducer thread guide devices are installed on the right-hand member of the first flange (8); First drain valve (6) of described the first flange (8) radially is arranged on the flange wall; Second drain valve (4) of described the second flange (5) is axially disposed within its right-hand member.
6. according to claim 1,2,3 or 4 described integrated static pressure, differential pressure measuring device, it is characterized in that: described pick-up unit is horizontal type structure, the lead end that is described differential pressure pick-up assembly is arranged at a side, the measuring media intake of described the first flange (8) and the second flange (5) be vertically installed on the flange wall and inlet end all outwardly, described pressure sensor assembly and pressure transducer thread guide devices are installed on the left end of the first flange (8); First drain valve (6) of described the first flange (8) radially is arranged on the flange wall; Second drain valve (4) of described the second flange (5) is axially disposed within its right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299081 CN202814461U (en) | 2012-06-25 | 2012-06-25 | Integrated static pressure and differential pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220299081 CN202814461U (en) | 2012-06-25 | 2012-06-25 | Integrated static pressure and differential pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814461U true CN202814461U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220299081 Expired - Lifetime CN202814461U (en) | 2012-06-25 | 2012-06-25 | Integrated static pressure and differential pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814461U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518419A (en) * | 2013-09-06 | 2016-04-20 | 伊利诺斯工具制品有限公司 | Absolute and differential pressure transducer |
| CN108645560A (en) * | 2018-06-15 | 2018-10-12 | 江苏德尔森传感器科技有限公司 | Precision differential pressure sensing device |
-
2012
- 2012-06-25 CN CN 201220299081 patent/CN202814461U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518419A (en) * | 2013-09-06 | 2016-04-20 | 伊利诺斯工具制品有限公司 | Absolute and differential pressure transducer |
| CN105518419B (en) * | 2013-09-06 | 2019-10-18 | 伊利诺斯工具制品有限公司 | Absolute pressure and differential pressure pick-up |
| CN108645560A (en) * | 2018-06-15 | 2018-10-12 | 江苏德尔森传感器科技有限公司 | Precision differential pressure sensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XI'AN ANCN INTELLIGENT INSTRUMENT Co.,Ltd. Assignor: Wang Shixing Contract record no.: 2014610000053 Denomination of utility model: Integrated static pressure and differential pressure detection device Granted publication date: 20130320 License type: Exclusive License Record date: 20140404 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200327 Address after: 710018 No. 1155 Caotan 10 Road, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province, No. 2 Building of Intelligent Nest Industrial Park Patentee after: XI'AN ANCN SMART INSTRUMENT Inc. Address before: 710021 Royal Garden 9-2-2801, Fengcheng, Shaanxi, Xi'an Patentee before: Wang Shixing |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |