CN203264134U - Water tank liquid level detection device and mounting structure and fire engine thereof - Google Patents
Water tank liquid level detection device and mounting structure and fire engine thereof Download PDFInfo
- Publication number
- CN203264134U CN203264134U CN 201320306084 CN201320306084U CN203264134U CN 203264134 U CN203264134 U CN 203264134U CN 201320306084 CN201320306084 CN 201320306084 CN 201320306084 U CN201320306084 U CN 201320306084U CN 203264134 U CN203264134 U CN 203264134U
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- Prior art keywords
- water pot
- liquid level
- detection device
- level detection
- installation portion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 47
- 238000003780 insertion Methods 0.000 claims description 24
- 230000037431 insertion Effects 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000007667 floating Methods 0.000 abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a water pitcher liquid level detection device and mounting structure and fire engine thereof, the device is including leading to joint (2) and pressure sensor (3) more, lead to being equipped with the sensor installation department that is used for installing pressure sensor on the joint more and be arranged in leading to the joint more and insert the installation department of installing in water pitcher (10) with being used for, be equipped with pressure detection hole (5) on should inserting the installation department, the opening direction in this pressure detection hole is inclined to the installation direction that inserts of inserting the installation department to communicate each other through leading to inner chamber runner (7) in the joint more between pressure detection hole and the pressure sensor. The utility model provides a pressure measurement hole sets up to opening direction slope in liquid level detection device's the installation direction that inserts to avoid aquatic impurity to enter into detection device's inner chamber runner easily. For example, the opening of the pressure detection hole is formed in the water tank and is disposed toward the bottom of the water tank, so that it is possible to prevent impurities in the water from sinking or floating into the pressure detection hole to cause clogging.
Description
Technical field
The utility model belongs to the field of measuring technique of pressure sensor, particularly, relates to a kind of water pot liquid level detection device and mounting structure thereof of adopts pressure sensor.
Background technology
Water pot is the important component part of water pot class fire fighting truck, foam truck, water tower fire truck and part aerial ladder, truck.Usually adopts pressure sensor detects the liquid level of water pot.When liquid level changed, the hydraulic pressure at the place, pressure detecting hole that pressure sensor is corresponding changed, and pressure changes the measuring circuit that causes in pressure sensor and produces corresponding voltage change output signal, thereby the level condition in water pot detected.But, because natural water source or the fire hydrants of adopting such as fire demand water supply water more, in water, impurity content is high, and the screen pack at place, filler is difficult to fall the impurity of filtration diameter 0～3mm (as the grains of sand, soil block, grass bits, floating thing etc.), thus the easily obstruction in build-up of pressure sensor detection hole.
Fig. 1 is the mounting structure schematic diagram of the water pot liquid level detection device of prior art.Particularly, checkout gear wherein by mount pad 4 approximate horizontal be installed on the side direction plate 6 of water pot 10, pressure sensor 3 is arranged on the left end of checkout gear, the right-hand member of checkout gear inserts in water pot 10 and offers lateral aperture, i.e. pressure detecting hole.Because it installs the axis basic horizontal, fire demand water particularly in the water such as the silt in natural water source, floating thing impurity easily enter pressure detecting hole accumulation, result in blockage, cause sensor failure.And, because the diameter in pressure detecting hole is generally 2～3mm, clean inconvenience after occuring to stop up, it must be disassembled and carry out professional cleaning, complicated operation.
The utility model content
The purpose of this utility model is to provide a kind of water pot liquid level detection device and mounting structure and fire fighting truck, the problem that lost efficacy with the obstruction in effective solution pressure detecting hole and the pressure sensor that therefore causes.
for achieving the above object, according to an aspect of the present utility model, a kind of water pot liquid level detection device is provided, this device comprises multiple-pass joint and pressure sensor, described multiple-pass joint is provided with for the installation of sensors section that described pressure sensor is installed and is used for this multiple-pass joint is inserted the insertion installation portion that is installed to described water pot, this insertion installation portion is provided with the pressure detecting hole, the opening direction in this pressure detecting hole favours the insertion installation direction of described insertion installation portion, and be interconnected by the inner chamber runner in described multiple-pass joint between described pressure detecting hole and pressure sensor.
Preferably, this device also comprises tube connector, also is provided with pipe jointing part on described multiple-pass joint, and described tube connector is installed on described pipe jointing part and with described inner chamber runner and is communicated with.
Preferably, described installation of sensors section is formed on the periphery wall of described multiple-pass joint, described pipe joint section and insertion installation portion are formed on respectively the axial two ends of described multiple-pass joint, and described inner chamber runner is communicated with respectively described pipe joint section and inserts installation portion along axis direction extension and two ends in described multiple-pass joint.
Preferably, be formed with the first interior tube chamber of described tube connector being installed be used to holding in described pipe jointing part, the caliber of this first interior tube chamber is greater than the caliber of described inner chamber runner.
Preferably, described installation of sensors section is that periphery wall from described multiple-pass joint connects the radially installing hole to described inner chamber runner.
Preferably, described tube connector is " L " shape pipe, and an end that is somebody's turn to do " L " shape pipe is connected with described pipe jointing part, and the other end and described radially installing hole extend towards same direction.
Preferably, described pressure detecting hole is formed on the periphery wall of described insertion installation portion and the described inner chamber runner of radial communication.
Preferably, this device also comprises mount pad, and this mount pad is sleeved on the periphery wall of described insertion installation portion hermetically, and described insertion installation portion passes described mount pad and described pressure detecting hole and is formed on this and passes on part.
According to another aspect of the present utility model, a kind of mounting structure of water pot liquid level detection device is provided, this mounting structure comprises the side direction plate of water pot, the insertion installation portion of described multiple-pass joint is installed on described side direction plate and stretches in described water pot, wherein, the opening in described pressure detecting hole is formed in described water pot and is set to bottom towards this water pot.
According to also aspect of the present utility model, a kind of fire fighting truck is provided, have the mounting structure of the water pot liquid level detection device above-mentioned according to the utility model in this fire fighting truck.
According to technique scheme, the pressure detecting hole in water pot liquid level detection device of the present utility model is set to the insertion installation direction that opening direction favours liquid level detection device, enters into easily the inner chamber runner of checkout gear to avoid impurity in water.For example in the mounting structure of water pot liquid level detection device, the opening in pressure detecting hole is formed in water pot and is set to towards the bottom of this water pot, thereby can avoid in water impurity to sink or floating entering in the pressure detecting hole, result in blockage.In addition tube connector can be set, be beneficial to exhaust and the pressure release of liquid level detection device, in the situation that the larger pressure sensor of protecting of internal pressure, tube connector also can produce under stopping state for passing into fluid with cleaning checkout gear inside.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and consists of the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not consist of restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the mounting structure schematic diagram of the water pot liquid level detection device of prior art;
Fig. 2 is according to the water pot liquid level detection device of preferred embodiment of the present utility model and the structural representation of mounting structure thereof; With
Fig. 3 is the structural representation of the multiple-pass joint in water pot liquid level detection device shown in Figure 2.
Description of reference numerals
1 tube connector 2 multiple-pass joints
3 pressure sensor 4 mount pads
5 pressure detecting hole 6 side direction plates
7 inner chamber runner 8 first interior tube chambers
10 water pots
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
At first explanation is; hereinafter in the description of the specific embodiment; some nouns of locality that adopt for the ease of understanding; be all to be described according to orientation shown in the drawings such as " upper and lower, left and right, top, end " etc., but these nouns of locality do not consist of the restriction to the utility model protection domain.
As shown in Figures 2 and 3, the utility model provides a kind of water pot liquid level detection device, this device comprises multiple-pass joint 2 and pressure sensor 3, multiple-pass joint 2 is provided with for the installation of sensors section of setting pressure sensor 3 and is used for this multiple-pass joint 2 is inserted the insertion installation portion that is installed to water pot 10, this insertion installation portion is provided with pressure detecting hole 5, the opening direction in this pressure detecting hole 5 favours the insertion installation direction that inserts installation portion, and is interconnected by multiple-pass joint 2 interior inner chamber runners 7 between pressure detecting hole 5 and pressure sensor 3.In the utility model, opening direction by pressure detecting hole 5 is set to the insertion installation direction of multiple-pass joint inconsistent, make when being installed on water pot from side direction, the opening direction in pressure detecting hole 5 is tilted towards water pot 10 bottoms, can prevent as shown in Figure 1 blocked of pressure detecting hole 5.
Wherein, also can preferably include tube connector 1 in device of the present utility model, the corresponding pipe jointing part that is provided with on multiple-pass joint 2, tube connector 1 are installed on pipe jointing part and with inner chamber runner 7 and are communicated with.For example PU pipe of tube connector 1(is set) purpose be exhaust and the pressure release that is beneficial to liquid level detection device.To the under shed setting, cause inner chamber runner 7 easily to form air chamber, thereby pressure sensor 3 can not be worked due to as shown in Figure 2 pressure detecting hole 5.Therefore, tube connector 1 being set can with the Bas Discharged in inner chamber runner 7, make the liquid in water pot can enter in inner chamber runner 7.And in the situation that the internal pressure of water pot is larger, liquid can overflow from tube connector 1, with the protection pressure sensor.
In addition, produce in checkout gear under stopping state, also can utilize tube connector 1 to pass into gas or liquid is inner to clean checkout gear, dredging pressure detecting hole 5.As shown in Figure 2, be formed with the first interior tube chamber 8 of tube connector 1 being installed be used to holding in pipe jointing part, the caliber of this first interior tube chamber 8 is preferably more than the caliber of inner chamber runner 7.Like this, when water pot 10 interior no liquid, can directly the air-flow with certain pressure be connected with the PU pipe port of export, during this liquid level detection device of air process, because opening reduces, form quick flow, air-flow is in the interior formation negative pressure of inner chamber runner 7, negative pressure can will be deposited in pressure detecting hole 5 or the impurity sucking-off of the installing hole periphery of pressure sensor 3, reaches the purpose of cleaning.This is easy and simple to handle, need not dismounting.
Particularly, referring to Fig. 3, installation of sensors quality award from the ministry selection of land is formed on the periphery wall of multiple-pass joint 2, pipe joint section and insert the axial two ends that installation portion is formed on respectively multiple-pass joint 2, inner chamber runner 7 extends and two ends connecting pipe joint section and insert installation portion respectively along axis direction (the paper width in Fig. 3) multiple-pass joint 2 is interior.Multiple-pass joint 2 specific aims adopt three-way connection shown in Figure 3 to get final product.Apparatus structure in Fig. 3 is simple, clear.Installation of sensors quality award from the ministry is wherein elected as from the periphery wall of multiple-pass joint 2 and is connected radially installing hole to inner chamber runner 7.And pressure detecting hole 5 is formed on the periphery wall that inserts installation portion and radial communication inner chamber runner 7, and namely pressure sensor 3 and pressure detecting hole 5 are basically installed or arranged along radially (the paper short transverse in Fig. 3) of checkout gear.As shown in Figure 2, tube connector 1 is preferably " L " shape pipe, and a end that should " L " shape pipe is connected with pipe jointing part (for example being threaded), and the other end extends towards same direction with installing hole radially, i.e. the extension of top in Fig. 2.
In addition, for ease of being installed to water pot 10, the device in present embodiment also comprises mount pad 4, and this mount pad 4 is sleeved on the periphery wall that inserts installation portion hermetically, for example both is threaded and forms the thread seal face, prevents that the liquid in water pot 10 from therefrom overflowing.Mount pad 4 can be fixedly mounted on the side direction plate 6 of water pot 10, inserts installation portion and passes mount pad 4 and pressure detecting hole 5 and be formed on this and pass on part, namely is formed in water pot 10 making in liquid inlet handhole.
On the basis of water pot liquid level detection device described above, Fig. 2 has shown the mounting structure of this device.Wherein, this mounting structure comprises the side direction plate 6 of water pot 10, the insertion installation portion of multiple-pass joint 2 is installed on side direction plate 6 and stretches in water pot 10, wherein, the opening in pressure detecting hole 5 preferably is formed in water pot 10 and is set to towards the bottom of this water pot 10, to avoid in water Impurity deposition or to enter into easily in pressure detecting hole 5.When being installed on side direction plate 6 by mount pad 4, can adopt axle sleeve type mount pad as shown in Figure 2, positioning and to facilitate screw thread dismounting, and waterproof is revealed.It should be noted that when tube connector 1 is installed, the top end opening height of this tube connector 1 should be not less than the maximum level height of water pot 10.
In addition, the utility model is also corresponding provides a kind of fire fighting truck, has the mounting structure of the water pot liquid level detection device above-mentioned according to the utility model in this fire fighting truck.As previously mentioned, the water pot liquid level detection device in this fire fighting truck can prevent from stopping up, and uses reliable.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove in addition, each concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, also can carry out any combination between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. water pot liquid level detection device, it is characterized in that, this device comprises multiple-pass joint (2) and pressure sensor (3), described multiple-pass joint (2) is provided with for the installation of sensors section that described pressure sensor (3) is installed and is used for this multiple-pass joint (2) is inserted the insertion installation portion that is installed to water pot (10), this insertion installation portion is provided with pressure detecting hole (5), the opening direction in this pressure detecting hole (5) favours the insertion installation direction of described insertion installation portion, and be interconnected by the inner chamber runner (7) in described multiple-pass joint (2) between described pressure detecting hole (5) and pressure sensor (3).
2. water pot liquid level detection device according to claim 1, it is characterized in that, this device also comprises tube connector (1), and described multiple-pass joint also is provided with pipe jointing part on (2), and described tube connector (1) is installed on described pipe jointing part and with described inner chamber runner (7) and is communicated with.
3. water pot liquid level detection device according to claim 2, it is characterized in that, described installation of sensors section is formed on the periphery wall of described multiple-pass joint (2), described pipe joint section and insertion installation portion are formed on respectively the axial two ends of described multiple-pass joint (2), and described inner chamber runner (7) is communicated with respectively described pipe joint section and inserts installation portion along axis direction extension and two ends in described multiple-pass joint (2).
4. water pot liquid level detection device according to claim 3, it is characterized in that, be formed with the first interior tube chamber (8) of described tube connector (1) being installed be used to holding in described pipe jointing part, the caliber of this first interior tube chamber is greater than the caliber of described inner chamber runner (7).
5. water pot liquid level detection device according to claim 3, is characterized in that, described installation of sensors section is that the periphery wall from described multiple-pass joint (2) connects the radially installing hole to described inner chamber runner (7).
6. water pot liquid level detection device according to claim 5, is characterized in that, described tube connector (1) is " L " shape pipe, and an end that is somebody's turn to do " L " shape pipe is connected with described pipe jointing part, and the other end and described radially installing hole extend towards same direction.
7. water pot liquid level detection device according to claim 2, is characterized in that, described pressure detecting hole (5) is formed on the periphery wall of described insertion installation portion and the described inner chamber runner of radial communication (7).
8. water pot liquid level detection device according to claim 7, it is characterized in that, this device also comprises mount pad (4), this mount pad is sleeved on the periphery wall of described insertion installation portion hermetically, and described insertion installation portion passes described mount pad (4) and described pressure detecting hole (5) and is formed on this and passes on part.
9. the mounting structure of the described water pot liquid level detection device of any one according to claim 1-8, it is characterized in that, this mounting structure comprises the side direction plate (6) of water pot (10), the insertion installation portion of described multiple-pass joint (2) is installed to described side direction plate (6) upward and stretches in described water pot (10), wherein, the opening in described pressure detecting hole (5) is formed in described water pot (10) and is set to bottom towards this water pot (10).
10. a fire fighting truck, is characterized in that, has the mounting structure of water pot liquid level detection device according to claim 9 in this fire fighting truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306084 CN203264134U (en) | 2013-05-30 | 2013-05-30 | Water tank liquid level detection device and mounting structure and fire engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306084 CN203264134U (en) | 2013-05-30 | 2013-05-30 | Water tank liquid level detection device and mounting structure and fire engine thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203264134U true CN203264134U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320306084 Expired - Lifetime CN203264134U (en) | 2013-05-30 | 2013-05-30 | Water tank liquid level detection device and mounting structure and fire engine thereof |
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| CN (1) | CN203264134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324470A (en) * | 2014-10-18 | 2015-02-04 | 戴国升 | Water base foam fire extinguishing device based on fire fighting water in fire hydrant |
-
2013
- 2013-05-30 CN CN 201320306084 patent/CN203264134U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104324470A (en) * | 2014-10-18 | 2015-02-04 | 戴国升 | Water base foam fire extinguishing device based on fire fighting water in fire hydrant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co.,Ltd. Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 No. 997, Jinxing Avenue, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian Fire-Fighting Machinery Co.,Ltd. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |