CN200975931Y - Pressure alarm - Google Patents
Pressure alarm Download PDFInfo
- Publication number
- CN200975931Y CN200975931Y CN 200620015077 CN200620015077U CN200975931Y CN 200975931 Y CN200975931 Y CN 200975931Y CN 200620015077 CN200620015077 CN 200620015077 CN 200620015077 U CN200620015077 U CN 200620015077U CN 200975931 Y CN200975931 Y CN 200975931Y
- Authority
- CN
- China
- Prior art keywords
- warning
- pressure
- cavity
- lid
- center pit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005266 casting Methods 0.000 claims description 13
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a pressure alarming apparatus, which is arranged on the casing of the product to be monitored (6) and connected with the inner pressure space of the product to be measured (6), particularly, the utility model is composed of an alarming part (1), a cavity (2), a telescopic spring (3), an alarming cover (4) and a pressure part (5); the alarming part (1) is composed of an indicating bar (11) and a telescopic part (12); the cavity (2) is composed of a cavity wall (21) and a cavity cover (22) with a centre hole (23); the indicating bar (11) drills through the centre hole (23), the telescopic spring (3) is arranged on the indicating bar (11) and pressed between the cavity wall (22) and telescopic part (12), which is arranged under the cavity wall (21) and tighten by the pressure part (5) in order to fix the whole alarming part (1), the centre hole (23) is covered by the alarming cover (4). The utility model has the advantages of simple structure and low cost, which can be applied to the monitored products with low precision request of alarming pressure value.
Description
Technical field
The utility model relates to the device of measuring fluid pressure, particularly relates to the hydrodynamic pressure sensor alarm of flexible film chip.
Background technology
The pressure warning unit of prior art generally will comprise a plurality of unit such as pressure measurement, signal Processing harmony, light warning, its course of work is: at first measure the pressure values of being monitored in real time by the pressure measurement unit, and be input to signal processing unit, this signal processing unit compares the warning pressure values of described measurement pressure values and setting subsequently, the warning pressure values of setting, signal processing unit startup sound, light alarm unit have been surpassed if measure pressure values; If measure pressure values less than the warning pressure values of setting, signal processing unit repeats above-mentioned comparison process.
The pressure warning unit of prior art is higher to tonometric accuracy requirement, and comparing element need be set in signal processing unit, and its structure and principle more complicated, cost are higher, is not suitable for the not high monitored product of warning pressure values accuracy requirement.
Summary of the invention
The technical problems to be solved in the utility model is to avoid the deficiencies in the prior art part and proposes a kind of simple in structure, pressure warning unit that cost is low, and this pressure warning unit is applicable to the not high monitored product of warning pressure values accuracy requirement.
The utility model solve the technical problem can be by realizing by the following technical solutions:
Design, use a kind of pressure warning unit, be installed on the shell of monitored product and and be communicated with, especially: comprise warning member, cavity, coil tension spring, warning lid and casting die with the internal pressure space of this monitored product; Described warning member comprises indicator stem and extensible member; Described cavity comprises chamber wall and chamber lid, and described chamber wall surrounds polygon or circular cross section cavity, places warning member in the described cavity, and the top of this cavity is the chamber lid, and described chamber covers and is provided with center pit, and this center-hole diameter is greater than the external diameter of described indicator stem; The internal diameter of described coil tension spring is slightly larger than the external diameter of indicator stem, and this coil tension spring top external diameter is slightly larger than center pit; The side of described warning lid is provided with vent port; Described casting die is provided with through hole; Described indicator stem passes center pit, and described coil tension spring is enclosed within on the indicator stem, and is pressed between described chamber lid and the extensible member, and described extensible member is stuck under the wall of chamber and by casting die and presses with fixing whole warning member, and described warning housing covers on center pit.
Described indicator stem is right cylinder and hemispheroidal axial assembly, and can be integrally formed with extensible member.
There is annular fold on the surface of described extensible member, its vertical section toothing; Described extensible member side bottom stretches out, and to form vertical end face be the groove of " U " shape, should be used to be stuck under the wall of described chamber by " U " shape groove.
The internal diameter of described warning lid is slightly larger than center-hole diameter, and this warning lid is the axial assembly of identical cylindrical cavity of internal diameter and hemisphere cavity.It is by the locating slot of adaptive warning lid or the mode of directly pasting that described warning housing covers on center pit.
Compare with prior art, the technique effect of utility model of the present invention " pressure warning unit " is:
Described pressure warning unit is simple in structure, cost is low, is applicable to the not high monitored product of warning force value accuracy requirement.
Description of drawings
Fig. 1 is that the utility model " pressure warning unit " is installed on the monitored product 6, warning member 1, coil tension spring 3, reports to the police and covers 4 and casting die 5 decomposing state synoptic diagram.
Fig. 2 is that the vertical profile of the utility model " pressure warning unit " is looked synoptic diagram, illustrates described monitored product 6 and is in off working state, and this monitored product 6 just partly illustrates in the drawings.
Fig. 3 be in running order and its internal pressure of described monitored product 6 just often, the vertical profile of described pressure warning unit is looked synoptic diagram.
Fig. 4 is in running order and its internal pressure of described detected product 6 when exceeding warning pressure, and the vertical profile of described pressure warning unit is looked synoptic diagram.
Embodiment
Be described in further detail below in conjunction with the accompanying drawing illustrated embodiment.
Pressure warning unit of the present utility model is installed on the shell of monitored product 6 and with the internal pressure space of this monitored product 6 and is communicated with, and especially, comprises warning member 1, cavity 2, coil tension spring 3, reports to the police and cover 4 and casting die 5; Described warning member 1 comprises indicator stem 11 and extensible member 12; Described cavity 2 comprises chamber wall 21 and chamber lid 22, described chamber wall 21 surrounds polygon or circular cross section cavity 2, places warning member 1 in the described cavity 2, and the top of this cavity 2 is chamber lids 22, described chamber lid 22 is provided with center pit 23, and these center pit 23 diameters are greater than the external diameter of described indicator stem 11; The internal diameter of described coil tension spring 3 is slightly larger than the external diameter of indicator stem 11, and these coil tension spring 3 top external diameters are slightly larger than center pit 23; The side of described warning lid 4 is provided with vent port 41; Described casting die 5 is provided with through hole 51; Described indicator stem 11 passes center pit 23, described coil tension spring 3 is enclosed within on the indicator stem 11, and be pressed between described chamber lid 22 and the extensible member 12, described extensible member 12 is stuck in the chamber wall 21 times and is pressed with fixing whole warning member 1 by casting die 5, and described warning is covered 4 cover caps on center pit 23.
Described indicator stem 11 is right cylinder and hemispheroidal axial assembly, and can be integrally formed with extensible member 12.
There is annular fold on the surface of described extensible member 12, its vertical section toothing; Described extensible member 12 side bottom stretch out, and to form vertical end face be the groove of " U " shape, should be used to be stuck in described chamber wall 21 by " U " shape groove.
The internal diameter of described warning lid 4 is slightly larger than center pit 23 diameters, and this warning lid 4 is axial assemblys of identical cylindrical cavity of internal diameter and hemisphere cavity.It is by the locating slot of adaptive warning lid 4 or the mode of directly pasting on center pit 23 that 4 cover caps are covered in described warning.
In the present embodiment, described warning member 1 adopts red rubber to make.There is fold on the surface of described extensible member 12, and its vertical section toothing both can improve the sensitivity of its pressure perception again for extensible member 12 provides expandable part.Described warning lid 4 adopts transparent material to make, and be provided with thin red line 42 at its top surface, this warning is covered 4 and is passed through the locating slot cover cap on the center pit 23 of described cavity 2, and it is in order to guarantee that warning member 1, cavity 2 and the spaces of covering 4 formation of reporting to the police are communicated with external pressure that described vent port 41 is set.Fig. 1 is that described pressure warning unit is installed on the detected product, described warning member 1, coil tension spring 3, reports to the police and cover 4 and the decomposing state synoptic diagram of casting die 5, and monitored product just partly illustrates among the figure.
When monitored product 6 was in off working state, the cut-open view of described pressure warning unit as shown in Figure 2.This moment, monitored product internal pressure was identical with external pressure, 12 acting forces that are subjected to coil tension spring 2 of the extensible member of described warning member 1, slightly downward indentation.
When monitored product 6 is in running order and its internal pressure just often, the cut-open view of described pressure warning unit is as shown in Figure 3.This moment, the internal pressure of monitored product 6 was greater than external pressure, the bottom that the through hole 51 of this internal pressure by casting die 5 acts on described extensible member 12 produces and upwards pressure, this pressure stretches upwards extensible member, and compression coil tension spring 3, when described pressure and coil tension spring 3 because the elastic force that compression produces when equating, described warning member 1 is in state shown in Figure 2, this moment, the top state shown in Figure 1 relatively of indicator stem 11 had the displacement that makes progress, but also do not reach the position of described alarm line 42, the inside that shows in running order monitored product 6 has and is higher than atmospheric pressure, but does not also reach the warning pressure values.
When in running order and its internal pressure of described detected product 6 exceeded warning pressure, the cut-open view of described pressure warning unit as shown in Figure 4.This moment, the internal pressure of monitored product 6 upwarded pressure by through hole 51 effects of casting die 5 and the bottom generation of described extensible member 12, owing to exceeded described warning pressure, this pressure is greater than the maximum pressure of coil tension spring, make the extensible member full extension, this moment, the top state shown in Figure 2 relatively of indicator stem 11 had the displacement that makes progress, and the position that has surpassed described alarm line 42, the inside that shows in running order monitored product 6 has surpassed the warning pressure values by force, should take corresponding measure to monitored product 6, can normally use to guarantee monitored product 6.
Claims (5)
1. pressure warning unit is installed on the shell of monitored product (6) and with the internal pressure space of this monitored product (6) and is communicated with, and it is characterized in that:
Comprise warning member (1), cavity (2), coil tension spring (3), report to the police and cover (4) and casting die (5); Described warning member (1) comprises indicator stem (11) and extensible member (12); Described cavity (2) comprises chamber wall (21) and chamber lid (22), described chamber wall (21) surrounds polygon or circular cross section cavity (2), place warning member (1) in the described cavity (2), the top of this cavity (2) is a chamber lid (22), described chamber lid (22) is provided with center pit (23), and this center pit (23) diameter is greater than the external diameter of described indicator stem (11); The internal diameter of described coil tension spring (3) is slightly larger than the external diameter of indicator stem (11), and this coil tension spring (3) top external diameter is slightly larger than center pit (23); The side of described warning lid (4) is provided with vent port (41); Described casting die (5) is provided with through hole (51); Described indicator stem (11) passes center pit (23), described coil tension spring (3) is enclosed within on the indicator stem (11), and be pressed between described chamber lid (22) and the extensible member (12), described extensible member (12) is stuck under the chamber wall (21) and by casting die (5) and presses with fixing whole warning member (1), and described warning lid (4) cover cap is on center pit (23).
2. pressure warning unit according to claim 1 is characterized in that:
Described indicator stem (11) is right cylinder and hemispheroidal axial assembly, and can be integrally formed with described extensible member (12).
3. pressure warning unit according to claim 1 is characterized in that:
There is annular fold on the surface of described extensible member (12), its vertical section toothing; Described extensible member (12) side bottom stretches out, and to form vertical end face be the groove of " U " shape, should be used to be stuck under the described chamber wall (21) by " U " shape groove.
4. pressure warning unit according to claim 1 is characterized in that:
The internal diameter of described warning lid (4) is slightly larger than center pit (23) diameter, and this warning lid (4) is the axial assembly of identical cylindrical cavity of internal diameter and hemisphere cavity.
5. according to claim 1 or 4 described pressure warning units, it is characterized in that:
Described warning lid (4) cover cap is by the locating slot of adaptive warning lid (4) or the mode of directly pasting on center pit (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015077 CN200975931Y (en) | 2006-09-29 | 2006-09-29 | Pressure alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015077 CN200975931Y (en) | 2006-09-29 | 2006-09-29 | Pressure alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200975931Y true CN200975931Y (en) | 2007-11-14 |
Family
ID=38902215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620015077 Expired - Lifetime CN200975931Y (en) | 2006-09-29 | 2006-09-29 | Pressure alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200975931Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014172861A1 (en) * | 2013-04-25 | 2014-10-30 | 深圳市兴日生实业有限公司 | Improved and discrete oxygen supply facility for the exhibition and sale of fish |
| CN111474893A (en) * | 2019-11-23 | 2020-07-31 | 田华 | Intelligent pixel array control system |
-
2006
- 2006-09-29 CN CN 200620015077 patent/CN200975931Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014172861A1 (en) * | 2013-04-25 | 2014-10-30 | 深圳市兴日生实业有限公司 | Improved and discrete oxygen supply facility for the exhibition and sale of fish |
| CN111474893A (en) * | 2019-11-23 | 2020-07-31 | 田华 | Intelligent pixel array control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071114 |
|
| EXPY | Termination of patent right or utility model |