CN209372290U - A kind of double diaphragm differential pressure gauges of high static pressure - Google Patents
A kind of double diaphragm differential pressure gauges of high static pressure Download PDFInfo
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- CN209372290U CN209372290U CN201920138893.4U CN201920138893U CN209372290U CN 209372290 U CN209372290 U CN 209372290U CN 201920138893 U CN201920138893 U CN 201920138893U CN 209372290 U CN209372290 U CN 209372290U
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- watchcase
- electric machine
- rotating electric
- differential pressure
- pipe
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Abstract
The utility model discloses a kind of double diaphragm differential pressure gauges of high static pressure, it is arranged on the transport pipeline of liquid or gas, including watchcase, core part in watchcase is set, and the pointer output shaft and center driving axis being connect with core part, it is characterized by: the watchcase lower end connects two input pipes, watchcase side connects efferent duct, it is connected between the input pipe and transport pipeline by filter pipe, filter screen is equipped with close to one end of input pipe in the filter pipe, rotating electric machine is equipped with close to one end of transport pipeline, the rotating electric machine is fixed in filter pipe by connection frame, cleaning brush is connected on the output shaft of the rotating electric machine, the end of the cleaning brush is in contact with filter screen, controller is additionally provided in the watchcase, the rotating electric machine and controller are electrically connected, the beneficial effects of the utility model Are as follows: can be filtered out before liquid or gas enter differential pressure gauge containing impurity and dust, the automatic cleaning of pressure gauge can be completed without dismantling pressure gauge, improve the measurement accuracy and service life of pressure gauge.
Description
Technical field
The invention belongs to pressure test instrument technical field more particularly to a kind of double diaphragm differential pressure gauges of high static pressure.
Background technique
The working principle of the double diaphragm differential pressure gauges of high static pressure is: there are two connectors in watchcase main body, on two connectors
It is respectively turned on the medium of different pressures, differential pressure measurement element film after accessing the medium of different pressures, inside main element
Sector-meeting generates displacement, pushes center driving axis that the difference of two pressure is converted to angle displacement and passes to core part, passes through
Core part drives indicators turn, to indicate differential pressure value on dial plate.
Existing differential pressure gauge multi-pass crosses stud or bolt is fixed on pipeline, when liquid or gas enter difference through pipeline
When pressing table, the impurity and dust that contain be easy to cause the blocking of differential pressure gauge, influence differential pressure gauge measurement accuracy and use
Service life just needs to remove pressure gauge from pipeline to remove the impurity in differential pressure gauge, time-consuming and laborious.
Summary of the invention
It in view of the above deficiencies, can be in liquid or gas the present invention provides a kind of double diaphragm differential pressure gauges of high static pressure
Filtered out before into differential pressure gauge containing impurity and dust, the automatic clear of pressure gauge can be completed without dismantling pressure gauge
It washes, improves the measurement accuracy and service life of pressure gauge.
The present invention is achieved by the following technical solutions: a kind of double diaphragm differential pressure gauges of high static pressure are arranged in liquid
Or on the transport pipeline of gas, including watchcase, the core part being arranged in watchcase, and the pointer being connect with core part
Output shaft and center driving axis, the watchcase lower end connect two input pipes, and watchcase side connects efferent duct, the input pipe with
It is connected between transport pipeline by filter pipe, is equipped with filter screen close to one end of input pipe in the filter pipe, close to fortune
One end of defeated pipeline is equipped with rotating electric machine, and the rotating electric machine is fixed in filter pipe by connection frame, the rotating electric machine
Output shaft on be connected with cleaning brush, the end of the cleaning brush is in contact with filter screen, be additionally provided with controller in the watchcase,
The rotating electric machine and controller are electrically connected.
As a preferred technical solution of the present invention, the outer wall of the filter pipe is equipped with screw thread, filter pipe two
End is connected to input pipe and transport pipeline by nut.
As a preferred technical solution of the present invention, the rear end of the pointer output shaft is equipped with angle detection device, institute
Angle detection device connection controller is stated, wireless transmitter is installed on the controller.
As a preferred technical solution of the present invention, the watchcase front surface is equipped with pressure gauge dial plate, and pressure gauge
Dial plate is equipped with pressure value scale, and pressure gauge disk center position is equipped with the pointer with pointer output axis connection.
As a preferred technical solution of the present invention, the connection frame is cross structure, the rotating electric machine setting
In the center of connection frame.
Compared with prior art, the invention has the benefit that
1, the double diaphragm differential pressure gauges of this high static pressure are by the filter screen in filter pipe, can will be in gas or liquid
The impurity and dust contained stops absorption, avoids these impurity or dust from entering in differential pressure gauge and results in blockage, utilizes control
Device is timed starting to rotating electric machine, and the cleaning brush on filter screen is driven to clean filter screen, without dismantling filtering dress
It sets and differential pressure gauge, improves the measurement accuracy and service life of pressure gauge；
2, angle detection device is able to detect that the rotation angle of pointer output shaft, by angle information transfer to controller,
Angle information is converted into pressure information by controller, is passed by wireless transmitter, can be realized the long-range reality of pressure value
When monitor, avoid the need for arrange operator carry out real-time meter reading record at the scene, it is time saving and energy saving.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is backsight schematic diagram of internal structure of the invention；
Fig. 3 is the enlarged drawing of filter pipe in the present invention.
Reference signs list: 1, transport pipeline；2, watchcase；3, core part；4, pointer output shaft；5, center driving axis；
6, input pipe；7, efferent duct；8, filter pipe；9, filter screen；10, rotating electric machine；11, connection frame；12, output shaft；13, it cleans
Brush；14, controller；15, nut；16, angle detection device；17, wireless transmitter；18, pressure gauge dial plate；19, pointer.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
The double diaphragm differential pressure gauges of a kind of high static pressure as shown in Figure 1, Figure 2 and Figure 3, are arranged in the transport of liquid or gas
On pipeline 1, including watchcase 2, the core part being arranged in watchcase 23, and the pointer output shaft 4 that is connect with core part 3 and
Center driving axis 5, it is characterised in that: 2 lower end of watchcase connects two input pipes 6, and 2 side of watchcase connects efferent duct 7, described
It is connected between input pipe 6 and transport pipeline 1 by filter pipe 8, one end in the filter pipe 8 close to input pipe was equipped with
Strainer 9 is equipped with rotating electric machine 10 close to one end of transport pipeline 1, and the rotating electric machine 10 is fixed on filtering by connection frame 11
In pipeline 8, cleaning brush 13, the end of the cleaning brush 13 and filter screen 9 are connected on the output shaft 12 of the rotating electric machine 10
It is in contact, controller 14 is additionally provided in the watchcase 1, the rotating electric machine 10 is electrically connected with controller 14.
Gas or liquid in transport pipeline 1 enter the double diaphragms of high static pressure by input pipe 6 after filter pipe 8
Inside differential pressure gauge, when passing through filter pipe 8, filter screen 9 can hinder the impurity and dust that contain in gas or liquid
Block absorption, avoid these impurity or dust from entering in differential pressure gauge and result in blockage, when pressure gauge after a period of use, pass through
Controller 14 in watchcase starts the rotating electric machine 10 in filter pipe 8, and rotating electric machine 10 drives cleaning brush by output shaft 12
13 pairs of filter screens 9 clean, and the dust and impurities being adsorbed on filter screen 9 are removed, and guarantee the filter effect of filter screen 9,
Controller 14 can be 51 single-chip microcontrollers series, using 14 start by set date rotating electric machine 10 of controller, clean to filter screen 9,
Differential pressure value is passed to core part 3, the drive of core part 3 refers to by center driving axis 5 by filtered gas or liquid
Needle output shaft 4 indicates pressure value.
As a kind of embodiment of the invention, the outer wall of the filter pipe 8 is equipped with screw thread, and 8 both ends of filter pipe are logical
It crosses nut 15 and is connected to input pipe 7 and transport pipeline 1, through screw thread rotation on nut 15, filter pipe 8 is fixedly connected on
Between input pipe 7 and transport pipeline 1.
As a kind of embodiment of the invention, the rear end of the pointer output shaft 4 is equipped with angle detection device 16, the angle
It spends detection device 16 and connects controller 14, wireless transmitter 17 is installed on the controller 14, angle detection device 16 can
The rotation angle for detecting pointer output shaft 4, by angle information transfer to controller 14, angle information is converted by controller 14
Pressure information is passed by wireless transmitter 17, can be realized the remote real-time monitoring of pressure value, avoids the need for arranging
Operator carries out real-time meter reading record at the scene.
As a kind of embodiment of the invention, 2 front surface of watchcase is equipped with pressure gauge dial plate 18, and pressure gauge dial plate
18 are equipped with pressure value scale, and 18 center of pressure gauge dial plate is equipped with the pointer 19 connecting with pointer output shaft 4.
As a kind of embodiment of the invention, the connection frame 11 is cross structure, and the setting of rotating electric machine 10 exists
The center of connection frame 11.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (5)
1. a kind of double diaphragm differential pressure gauges of high static pressure, are arranged on the transport pipeline of liquid or gas, including watchcase, setting
Core part in watchcase, and the pointer output shaft and center driving axis that are connect with core part, it is characterised in that: described
Watchcase lower end connects two input pipes, and watchcase side connects efferent duct, passes through screen pipe between the input pipe and transport pipeline
Road is connected to, and is equipped with filter screen close to one end of input pipe in the filter pipe, is equipped with electric rotating close to one end of transport pipeline
Machine, the rotating electric machine are fixed in filter pipe by connection frame, are connected with cleaning brush on the output shaft of the rotating electric machine,
The end of the cleaning brush is in contact with filter screen, and controller, the rotating electric machine and controller electricity are additionally provided in the watchcase
Property connection.
2. the double diaphragm differential pressure gauges of high static pressure according to claim 1, it is characterised in that: outside the filter pipe
Wall is equipped with screw thread, and filter pipe both ends are connected to input pipe and transport pipeline by nut.
3. the double diaphragm differential pressure gauges of high static pressure according to claim 1, it is characterised in that: the pointer output shaft
Rear end is equipped with angle detection device, and the angle detection device connects controller, is equipped with wireless transmitter on the controller.
4. the double diaphragm differential pressure gauges of high static pressure according to claim 1, it is characterised in that: the watchcase front surface peace
Equipped with pressure gauge dial plate, and pressure gauge dial plate is equipped with pressure value scale, and pressure gauge disk center position is equipped with and refers to
The pointer of needle output axis connection.
5. the double diaphragm differential pressure gauges of high static pressure according to claim 1, it is characterised in that: the connection frame is cross
The center of connection frame is arranged in frame structure, the rotating electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138893.4U CN209372290U (en) | 2019-01-28 | 2019-01-28 | A kind of double diaphragm differential pressure gauges of high static pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138893.4U CN209372290U (en) | 2019-01-28 | 2019-01-28 | A kind of double diaphragm differential pressure gauges of high static pressure |
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| Publication Number | Publication Date |
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| CN209372290U true CN209372290U (en) | 2019-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920138893.4U Active CN209372290U (en) | 2019-01-28 | 2019-01-28 | A kind of double diaphragm differential pressure gauges of high static pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668676A (en) * | 2019-01-28 | 2019-04-23 | 安徽天康(集团)股份有限公司 | A kind of double diaphragm differential pressure gauges of high static pressure |
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2019
- 2019-01-28 CN CN201920138893.4U patent/CN209372290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668676A (en) * | 2019-01-28 | 2019-04-23 | 安徽天康(集团)股份有限公司 | A kind of double diaphragm differential pressure gauges of high static pressure |
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