CN208448493U - A kind of device for pressure measurement for fire hydrant - Google Patents
A kind of device for pressure measurement for fire hydrant Download PDFInfo
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- CN208448493U CN208448493U CN201821019795.0U CN201821019795U CN208448493U CN 208448493 U CN208448493 U CN 208448493U CN 201821019795 U CN201821019795 U CN 201821019795U CN 208448493 U CN208448493 U CN 208448493U
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- fire hydrant
- guiding pipe
- pressure sensor
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Abstract
The utility model discloses a kind of device for pressure measurement for fire hydrant, including the pressure sensor for being mounted in fire hydrant and being measured to hydraulic pressure, the survey press bond of the pressure sensor has pressure guiding pipe, tube end and the pressure sensor sealing of the pressure guiding pipe are fixed, the other end of the pressure guiding pipe is provided with impulse box, the impulse box is connected with pressure guiding pipe and seals fixation, the impulse box, pressure guiding pipe and pressure sensor collectively form the accommodating cavity of a sealing, and the antifreezing liquid for conducting pressure is filled in the accommodating cavity；This for fire hydrant device for pressure measurement have the advantages that it is structurally reasonable, can effectively avoid icing to pressure sensor cause damage and maintenance cost can be reduced.
Description
Technical field
The utility model relates to fire-fighting equipment technical fields, and in particular to a kind of device for pressure measurement for fire hydrant.
Background technique
Fire hydrant, formal call are fire hydrant, and a kind of fixed fire fighting device, main function is control combustible, isolation
Oxidizer eliminates ignition source.Fire hydrant is broadly divided into indoor fire hydrant and outdoor fire hydrant.Fire hydrant is mainly for fire fighting truck from city
Fire extinguishing is implemented in political affairs water supply network or the water intaking of outdoor fire fighting water supply network, can also be directly connected to water band, hydraulic giant goes out above-water method, institute
With indoor and outdoor hydrant system is also one of the important fire fighting device to fight a fire.With fire-fighting system build continuous development,
The relevant technologies of current Internet of things system are widely applied in fire hydrant, the hydraulic pressure real-time measurement in fire hydrant and timing
It sends, to realize that the better management to fire-fighting pipe network system already becomes new fire codes with monitoring.At present existing
For measuring in the pressure sensor of fire hydrant hydraulic pressure, be directly to be measured to hydraulic pressure by sensor；But it is Chinese
Northern area winter it is very long and cold, temperature often reaches subzero tens degree, therefore the problem of often encounter frost, that is,
Fire hydrant is freezed, and can be caused fatal destruction to the survey pressuring film plate of force-sensitive sensor during water freezing, gently then be made
At pressure sensor measurement accuracy decline, it is heavy then can make pressure sensor fail in turn cause pressure data that can not upload to number
According to center, while also increasing maintenance cost.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of it is structurally reasonable, can effectively avoid icing to pressure sensing
Device causes to damage and can reduce the device for pressure measurement for fire hydrant of maintenance cost.
To solve the above problems, the utility model adopts the following technical solution:
A kind of device for pressure measurement for fire hydrant, including for being mounted in fire hydrant and being measured to hydraulic pressure
Pressure sensor, the survey press bond of the pressure sensor have pressure guiding pipe, the tube end and pressure sensor of the pressure guiding pipe
Sealing is fixed, and the other end of the pressure guiding pipe is provided with impulse box, and the impulse box is connected with pressure guiding pipe and seals fixation, institute
The accommodating cavity that impulse box, pressure guiding pipe and pressure sensor collectively form a sealing is stated, the lower end of pressure guiding pipe extends to
The water inlet of fire hydrant, because the main pipeline of fire_fighting pipe network is all embedded in underground, so fire chief road due to ground temperature
Will not freeze, thus the introducing of pressure guiding pipe can to avoid fire hydrant freeze after do not detect pressure the problem of, the accommodating
The intracavitary antifreezing liquid filled with for conducting pressure is made up of the mutual cooperation of pressure sensor and pressure guiding pipe, impulse box
The accommodating cavity of one sealing, and antifreezing liquid is filled in accommodating cavity, so that the survey pressuring film plate and water of pressure sensor
It is effectively isolated, is broken caused by the survey pressuring film plate of pressure sensor when freezing so as to avoid fire hydrant because of low temperature
It is bad.
Preferably, the impulse box includes box body open at one end, it is provided with convoluted diaphragm in the opening of the box body,
The convoluted diaphragm and box body sealing are fixed, and since convoluted diaphragm can generate flexible deformation under the effect of the pressure, are had
Help the silicone oil for being conducted to hydraulic pressure in pressure guiding pipe, and is conducted hydraulic pressure to pressure sensor by silicone oil.
The convoluted diaphragm is stainless steel convoluted diaphragm, helps to improve the performance of convoluted diaphragm corrosion resistant, that is, improves pressure
The durability of force measuring device.
Preferably, the antifreezing liquid is silicone oil, silicone oil will not be all frozen at subzero 50 degree, therefore be effectively ensured
The normal use of device for pressure measurement.
The utility model has the following beneficial effects: by cooperating in the setting of the end of pressure sensor with it and constituting appearance
Pressure guiding pipe, the impulse box of chamber are set, and filled with antifreezing liquid silicone oil is used as in accommodating cavity, so that the survey of pressure sensor
Pressuring film plate is effectively isolated with water, to the survey pressuring film plate of pressure sensor when freezing so as to avoid fire hydrant because of low temperature
Caused by damage, while also thus reducing the maintenance cost of device for pressure measurement；Due to being provided with stainless steel on impulse box
Convoluted diaphragm, convoluted diaphragm can generate flexible deformation under the effect of the pressure, therefore can be very good the water in fire hydrant
Pressure passes to silicone oil by convoluted diaphragm, at the same silicone oil by the survey pressuring film plate of water column feedback to pressure sensor with completion to water
The measurement of pressure improves the applicability of measuring device so that measurement accuracy be effectively ensured.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the device for pressure measurement for fire hydrant of the utility model；
Fig. 2 is a kind of front view of the convoluted diaphragm of the device for pressure measurement for fire hydrant of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing, so that the utility model technology
Scheme is more readily understood and grasps.
In the present embodiment, it is to be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；In addition,
Connection or fixed form between component if not otherwise specified in this embodiment, connection or fixed form can be
It is fixed by bolt commonly used in the prior art or pin is fixed or the modes such as pin shaft connection, therefore, in the present embodiment no longer
It is described in detail.
As shown in Figs. 1-2, a kind of device for pressure measurement for fire hydrant, including it is in fire hydrant and right for being mounted on
The pressure sensor 1 that hydraulic pressure measures, the model HURST-4508 of the pressure sensor 1, the pressure sensor 1
Surveying press bond has pressure guiding pipe 2, and the tube end and pressure sensor 1 of the pressure guiding pipe 2 are sealed by threads to be fixed, described
The other end of pressure guiding pipe 2 is provided with impulse box 3, and the impulse box 3 is connected with pressure guiding pipe 2 and is fixed by welded seal, institute
The accommodating cavity 4 that impulse box 3, pressure guiding pipe 2 and pressure sensor 1 collectively form a sealing is stated, the lower end of pressure guiding pipe 2 is drawn
One end of pressure box 3 extends to the water inlet of fire hydrant, because the main pipeline of fire_fighting pipe network is all embedded in underground, due to ground temperature
Temperature be above water freezing temperature so fire chief road will not freeze, therefore the introducing of pressure guiding pipe 2 can be kept away
It is too short to exempt from pressure guiding pipe setting, even and if device for pressure measurement silicone oil after fire hydrant icing is made not freeze but still not detect
The problem of pressure, the interior antifreezing liquid 5 filled with for conducting pressure of the accommodating cavity 4 pass through pressure sensor 1 and pressure guiding pipe
2, the mutual cooperation of impulse box 3 constitutes the accommodating cavity 4 of a sealing, and antifreezing liquid 5 is filled in accommodating cavity 4, therefore make
The survey pressuring film plate for obtaining pressure sensor 1 is effectively isolated with water, to pressure when freezing so as to avoid fire hydrant because of low temperature
It is damaged caused by the survey pressuring film plate of force snesor 1.The impulse box 3 includes the box body 31 of bottom end opening, and the box body 31 is opened
It is provided with convoluted diaphragm 32 on mouthful, the convoluted diaphragm 32 is fixed with box body 31 by welded seal, since convoluted diaphragm 32 can
To generate flexible deformation under the effect of the pressure, therefore facilitate the silicone oil for being conducted to hydraulic pressure in pressure guiding pipe 2, and pass through
Silicone oil conducts hydraulic pressure to pressure sensor 1.The antifreezing liquid 5 is silicone oil, and silicone oil will not be all frozen at subzero 50 degree, because
The normal use of device for pressure measurement has been effectively ensured in this, that is, effectively prevents freezing and make to the survey pressuring film plate of pressure sensor 1
At destruction.The convoluted diaphragm 32 is stainless steel convoluted diaphragm 32, helps to improve the performance of 32 corrosion resistant of convoluted diaphragm, i.e.,
Improve the durability of device for pressure measurement.
The utility model has the following beneficial effects: by cooperating in the setting of the end of pressure sensor with it and constituting appearance
Pressure guiding pipe, the impulse box of chamber are set, and filled with antifreezing liquid silicone oil is used as in accommodating cavity, so that the survey of pressure sensor
Pressuring film plate is effectively isolated with water, to the survey pressuring film plate of pressure sensor when freezing so as to avoid fire hydrant because of low temperature
Caused by damage, while also thus reducing the maintenance cost of device for pressure measurement；Due to being provided with stainless steel on impulse box
Convoluted diaphragm, convoluted diaphragm can generate flexible deformation under the effect of the pressure, therefore can be very good the water in fire hydrant
Pressure passes to silicone oil by convoluted diaphragm, at the same silicone oil by the survey pressuring film plate of water column feedback to pressure sensor with completion to water
The measurement of pressure improves the applicability of measuring device so that measurement accuracy be effectively ensured.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Claims (4)
1. a kind of device for pressure measurement for fire hydrant, including the pressure for being mounted in fire hydrant and being measured to hydraulic pressure
Force snesor, it is characterised in that: the survey press bond of the pressure sensor has pressure guiding pipe, the tube end and pressure of the pressure guiding pipe
Force snesor sealing is fixed, and the other end of the pressure guiding pipe is provided with impulse box, and the impulse box is connected and close with pressure guiding pipe
Sealing is fixed, and the impulse box, pressure guiding pipe and pressure sensor collectively form the accommodating cavity of a sealing, filling in the accommodating cavity
There is the antifreezing liquid for conducting pressure.
2. a kind of device for pressure measurement for fire hydrant according to claim 1, it is characterised in that: the impulse box packet
Box body open at one end is included, convoluted diaphragm is provided in the opening of the box body, the convoluted diaphragm and box body sealing are fixed.
3. a kind of device for pressure measurement for fire hydrant according to claim 2, it is characterised in that: the convoluted diaphragm
For stainless steel convoluted diaphragm.
4. a kind of device for pressure measurement for fire hydrant according to claim 1, it is characterised in that: the antifreezing liquid
For silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019795.0U CN208448493U (en) | 2018-06-28 | 2018-06-28 | A kind of device for pressure measurement for fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019795.0U CN208448493U (en) | 2018-06-28 | 2018-06-28 | A kind of device for pressure measurement for fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208448493U true CN208448493U (en) | 2019-02-01 |
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ID=65170030
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821019795.0U Active CN208448493U (en) | 2018-06-28 | 2018-06-28 | A kind of device for pressure measurement for fire hydrant |
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| Country | Link |
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| CN (1) | CN208448493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900418A (en) * | 2019-02-26 | 2019-06-18 | 珠海格力电器股份有限公司 | Pressure sensor with anti-freezing structure |
| CN113405722A (en) * | 2021-06-21 | 2021-09-17 | 哈尔滨工业大学 | Pressure measuring device and pressure measuring method |
-
2018
- 2018-06-28 CN CN201821019795.0U patent/CN208448493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900418A (en) * | 2019-02-26 | 2019-06-18 | 珠海格力电器股份有限公司 | Pressure sensor with anti-freezing structure |
| CN113405722A (en) * | 2021-06-21 | 2021-09-17 | 哈尔滨工业大学 | Pressure measuring device and pressure measuring method |
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