CN104180935B - Melt diaphragm type electro connecting pressure gauge - Google Patents
Melt diaphragm type electro connecting pressure gauge Download PDFInfo
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- CN104180935B CN104180935B CN201310193423.5A CN201310193423A CN104180935B CN 104180935 B CN104180935 B CN 104180935B CN 201310193423 A CN201310193423 A CN 201310193423A CN 104180935 B CN104180935 B CN 104180935B
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Abstract
The invention provides a kind of melt diaphragm type electro connecting pressure gauge, it comprises one for showing the display system of pressure value, one for controlled pressure, the magneto resistive system of lower limit warning function, and one for transmitting and amplifying the measurement induction system recording pressure, this measurement induction system comprises a meter shell joint, this melt diaphragm type electro connecting pressure gauge also comprise one for detect and transmit measuring media pressure change probe measurement system, this probe measurement system comprises the capillary vessel that is filled with pressure transmission medium, the input end of this capillary vessel connects a diaphragm measuring sonde, the output terminal of this capillary vessel is communicated to this measurement induction system by this meter shell joint.Adopt the present invention, broadly can apply to the pressure survey containing the poor measuring media of mobility, the electro connecting pressure gauge efficiently solving prior art cannot measure the shortcoming of solid dielectric, meets the pressure survey demand in the industries such as plastics, chemical fibre, grease.
Description
Technical field
The present invention relates to a kind of electro connecting pressure gauge, particularly a kind of melt diaphragm type electro connecting pressure gauge.
Background technology
At present, on market, the specification of electro connecting pressure gauge is of a great variety, but most of electro connecting pressure gauge is all by stretching in measuring media by probe, by directly feeling the change of pressure medium, thus completes the measurement of pressure.
But this existing tensimeter can only be used for liquid medium or the gas of measuring good fluidity, and when pressure monitoring needs for the medium of poor fluidity in the industries such as plastics, chemical fibre, grease, just cannot probe be put in medium, therefore cannot meet the measurement demand of this type of medium.
For this reason, the special industry needed according to these special measurements, carries out the Transform Type design of electro connecting pressure gauge, meets and carry out tonometric demand to the medium of poor fluidity.
Summary of the invention
The technical problem to be solved in the present invention is the defect that tensimeter in order to overcome prior art cannot measure the pressure change of the medium of poor fluidity, a kind of liquid medium or the gas that can not only measure good fluidity are provided, and can also accurately measure poor fluidity medium pressure change melt diaphragm type electro connecting pressure gauge.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of melt diaphragm type electro connecting pressure gauge, comprise: one for showing the display system of pressure value, one for controlled pressure, the magneto resistive system of lower limit warning function, and one for transmitting and amplifying the measurement induction system recording pressure, its feature is, this measurement induction system comprises a meter shell joint, this melt diaphragm type electro connecting pressure gauge also comprise one for detect and transmit illiquidity measuring media pressure change probe measurement system, this probe measurement system comprises the capillary vessel that is filled with pressure transmission medium, the input end of this capillary vessel connects a diaphragm measuring sonde, the output terminal of this capillary vessel is communicated to this measurement induction system by this meter shell joint.
Probe measurement system in this programme, the medium improving poor fluidity easily blocks the situation of measured hole, measured by new diaphragm isolation method, the diaphragm thoughts and feelings pressure of probe, pressure measured by being transmitted by the filled media in kapillary, realizes the pressure survey to the poor medium of mobility.
Preferably, this probe measurement system also comprises:
Pipe in one, one is formed for the cavity of this capillary vessel accommodating in this interior pipe, one end of this interior pipe connects this diaphragm measuring sonde, the other end is connected with this meter shell joint, the measuring junction of this diaphragm measuring sonde is by a convoluted diaphragm sealing, and this convoluted diaphragm is arranged on the input port of this capillary vessel by a retaining ring sealing;
One is set in the screw thread adjustable pipe outside this interior pipe.
In this programme, by arranging a convoluted diaphragm at the measuring junction of diaphragm measuring sonde, being able to form a diaphragm cavity in the end of capillary vessel by the Transfer Medium in pipe, thus being carried out pressure survey.Arranging screw thread adjustable pipe is for being arranged on equipment.
Preferably, this measurement induction system also comprises:
One Surge line piping, one end of this Surge line piping is communicated with this capillary vessel, and the other end seals and connects a driving lever;
One movement, the mandrel of this movement being equipped with one can the pointer gear of rotation under the stirring of this driving lever;
One is set in the dial disc on this mandrel with one heart; And
One is set on this mandrel for showing the electric contact pointer of pressure value.
Surge line piping in this programme can be the elastically-deformable bourdon tube of a tool.The pressure passed over through Transfer Medium can be made driving lever produce displacement by the sealed end of Surge line piping, thus stir pointer gear generation angle displacement, scope is between 5 degree ~ 10 degree.
Preferably, this melt diaphragm type electro connecting pressure gauge also comprises one and is located at watchcase outside this measurement induction system, this magneto resistive system also comprises an electric contact and and is located at the magnetic resistance electric contact set whether excessively limit in this watchcase and for monitor force, this magnetic resistance electric contact set comprises the pointer lower limit contact that the pointer upper limit contact and being used to indicate upper pressure limit be all connected with this electric contact is used to indicate low pressure limit, and the end face of this watchcase is provided with one for regulating the reluctance regulator of this pointer upper limit contact, this pointer lower limit contact.
Preferably, this magnetic resistance electric contact set also comprises one for the Stress control information conveyance that will record to the edge connector of external control device.
Preferably, the control device of this outside is a PLC.This PLC (i.e. Programmable Logic Controller) can select commercially available prod according to control needs.
Preferably, the pressure transmission medium be filled in this capillary vessel is silicone oil or mercury.
The pressure transmission medium be filled in the present embodiment in this capillary vessel can be resistant to elevated temperatures silicone oil or mercury, to form diaphragm cavity in the end of capillary vessel, carries out pressure survey as Transfer Medium.
In the present invention, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: adopt the present invention, broadly can apply to the pressure survey containing the poor measuring media of mobility, the electro connecting pressure gauge efficiently solving prior art cannot measure the shortcoming of solid dielectric, meets pressure survey demand in the industries such as plastics, chemical fibre, grease.
Accompanying drawing explanation
Fig. 1 is the assembly structure cut-open view of the electro connecting pressure gauge of one embodiment of the invention.
Fig. 2 is the vertical view of the indication dial plate part along A to arrow in Fig. 1.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
Embodiment
As shown in Figure 1 and Figure 2, melt diaphragm type electro connecting pressure gauge of the present invention mainly comprises: one for showing the display system of pressure value, one for the magneto resistive system 3 of controlled pressure upper and lower limit warning function, and one for transmitting and amplifying the measurement induction system 2 recording pressure, one for detect and transmit illiquidity measuring media pressure change probe measurement system 1, one is located at the watchcase 5 measured outside induction system 2, and one is located at the magnetic resistance electric contact set 7 whether excessively limit in this watchcase 5 and for monitor force.
This measurement induction system 2 comprises: meter shell joint 501, Surge line piping 201, movement 6, is set in the dial disc on the mandrel of this movement 6 with one heart; And one is set on mandrel for showing the electric contact pointer 702 of pressure value.
This probe measurement system 1 comprises the capillary vessel 103 that is filled with Transfer Medium, pipe 102 in, and one is set in threaded adjustable pipe 101 outside this interior pipe 102, adjustable pipe 101 is arranged screw thread be in order to outside arrange install fixing.The input end of this capillary vessel 103 connects a diaphragm measuring sonde 104, and the output terminal of this capillary vessel 103 is communicated to by meter shell joint 501 measures induction system 2.Be formed with one in this interior pipe 102 for wearing the cavity of this capillary vessel 103, one end of this interior pipe can be spirally connected this diaphragm measuring sonde 104, and the other end and this meter shell joint 501 are spirally connected.Particularly, the measuring junction (for feeling the port of externally measured medium when namely measuring) of this diaphragm measuring sonde 104 is embedded a convoluted diaphragm 105 by a back-up ring 106, and the inside surface sealing of this convoluted diaphragm 105 is arranged on the input port of this capillary vessel 103.
One end of this Surge line piping 201 is communicated with capillary vessel 103, and the other end seals and connects a driving lever 203; The mandrel of this movement 6 being equipped with one can the pointer gear 601 of rotation under the stirring of this driving lever 203.Measurement induction system in the present embodiment can select the dependency structure of existing commercially available conventional electro connecting pressure gauge, and movement wherein, the panel of dial disc and electric contact pointer etc. all can adopt the mode of assembling of the mechanical component in existing electro connecting pressure gauge on the market to assemble.
As shown in Figure 1, arrange the pointer lower limit contact 402 that pointer upper limit contact 401, that electric contact 301, is used to indicate upper pressure limit is used to indicate low pressure limit in magneto resistive system 3, the end face of this watchcase 5 is provided with one for regulating the reluctance regulator 4 of this pointer upper limit contact 401, this pointer lower limit contact 402.Structure like this, the magnetic resistance induction mainly by producing after energising, the movement of cooperative mechanical formula pointer, the designated value of carrying out upper and lower limit is reported to the police.
In addition, this magnetic resistance electric contact set 7 also comprises one for the Stress control information conveyance that will record to the edge connector 701 of outside control device (such as a PLC).
The Transfer Medium be contained in the present embodiment in this capillary vessel can be resistant to elevated temperatures silicone oil or mercury, to form diaphragm cavity in the end of capillary vessel, carries out pressure survey as Transfer Medium.
The principle of work of electro connecting pressure gauge of the present invention is: based on the Surge line piping in measuring system under the pressure effect of measured medium, the end of Surge line piping is forced to produce corresponding elastic displacement, give amplification by pull bar through the transmission of the gear drive of core of pressure meter, by the pointer (together with contact) on pointer gear, measured value to be indicated on panel scale.Meanwhile, when it to contact the instantaneous of (dynamic circuit breaker or dynamic circuit connector) with the contact (upper limit or lower limit) on setting pointer, the circuit in control system is caused to be disconnected or connect, to reach the object automatically controlling and transmit warning.
The present invention is widely used in the supporting middle pressure survey of measuring without the various media of explosion danger of oil, chemical industry, metallurgy, electric power, mechanical industry department or electromechanical equipment.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (7)
1. a melt diaphragm type electro connecting pressure gauge, comprise: one for showing the display system of pressure value, one for controlled pressure, the magneto resistive system of lower limit warning function, and one for transmitting and amplifying the measurement induction system recording pressure, it is characterized in that, this measurement induction system comprises a meter shell joint, this melt diaphragm type electro connecting pressure gauge also comprise one for detect and transmit measuring media pressure change probe measurement system, this probe measurement system comprises the capillary vessel that is filled with pressure transmission medium, the input end of this capillary vessel connects a diaphragm measuring sonde, the output terminal of this capillary vessel is communicated to this measurement induction system by this meter shell joint.
2. melt diaphragm type electro connecting pressure gauge as claimed in claim 1, it is characterized in that, this probe measurement system also comprises:
Pipe in one, one is formed for wearing the cavity of this capillary vessel in this interior pipe, one end of this interior pipe connects this diaphragm measuring sonde, the other end and this meter shell joint are spirally connected, the measuring junction of this diaphragm measuring sonde is by a convoluted diaphragm sealing, and this convoluted diaphragm is arranged on the input port of this capillary vessel by a retaining ring sealing;
One is set in the screw thread adjustable pipe outside this interior pipe.
3. melt diaphragm type electro connecting pressure gauge as claimed in claim 2, it is characterized in that, this measurement induction system also comprises:
One Surge line piping, one end of this Surge line piping is communicated with this capillary vessel, and the other end seals and connects a driving lever;
One movement, the mandrel of this movement being equipped with one can the pointer gear of rotation under the stirring of this driving lever;
One is set in the dial disc on this mandrel with one heart; And
One is set on this mandrel for showing the electric contact pointer of pressure value.
4. melt diaphragm type electro connecting pressure gauge as claimed in claim 3, it is characterized in that, this melt diaphragm type electro connecting pressure gauge also comprises one and is located at watchcase outside this measurement induction system, this magneto resistive system also comprises an electric contact and and is located at the magnetic resistance electric contact set whether excessively limit in this watchcase and for monitor force, this magnetic resistance electric contact set comprises the pointer lower limit contact that the pointer upper limit contact and being used to indicate upper pressure limit be all connected with this electric contact is used to indicate low pressure limit, the end face of this watchcase is provided with one for regulating this pointer upper limit contact, the reluctance regulator of this pointer lower limit contact.
5. melt diaphragm type electro connecting pressure gauge as claimed in claim 4, is characterized in that, this magnetic resistance electric contact set also comprises one for the Stress control information conveyance that will record to the edge connector of outside control device.
6. melt diaphragm type electro connecting pressure gauge as claimed in claim 5, it is characterized in that, the control device of this outside is a PLC.
7. as the melt diaphragm type electro connecting pressure gauge in claim 1 to 6 as described in any one, it is characterized in that, the pressure transmission medium be filled in this capillary vessel is silicone oil or mercury.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193423.5A CN104180935B (en) | 2013-05-23 | 2013-05-23 | Melt diaphragm type electro connecting pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193423.5A CN104180935B (en) | 2013-05-23 | 2013-05-23 | Melt diaphragm type electro connecting pressure gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180935A CN104180935A (en) | 2014-12-03 |
| CN104180935B true CN104180935B (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310193423.5A Active CN104180935B (en) | 2013-05-23 | 2013-05-23 | Melt diaphragm type electro connecting pressure gauge |
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| CN (1) | CN104180935B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6165128A (en) * | 1984-09-06 | 1986-04-03 | Fujikoo:Kk | Pressure sensor |
| JPS61155718A (en) * | 1984-12-27 | 1986-07-15 | Asahi Okuma Ind Co Ltd | Bourdon gauge type pressure detector |
| CN1374137A (en) * | 2001-03-08 | 2002-10-16 | 潘卫江 | Tracheal catheter position detecting method |
| CN2532485Y (en) * | 2002-01-31 | 2003-01-22 | 王建钢 | Multi-fuction mark watching and analyzing instrument |
| CN102538415A (en) * | 2010-12-08 | 2012-07-04 | 太仓正信干燥设备科技有限公司 | Single-cone dryer with monitoring system |
| CN203275008U (en) * | 2013-05-23 | 2013-11-06 | 上海朝辉压力仪器有限公司 | Melt diaphragm type electric-contact pressure gauge |
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2013
- 2013-05-23 CN CN201310193423.5A patent/CN104180935B/en active Active
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| Publication number | Publication date |
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| CN104180935A (en) | 2014-12-03 |
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