CN211262409U - Liquid level signal device suitable for detecting liquid level height - Google Patents
Liquid level signal device suitable for detecting liquid level height Download PDFInfo
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- CN211262409U CN211262409U CN201921974202.0U CN201921974202U CN211262409U CN 211262409 U CN211262409 U CN 211262409U CN 201921974202 U CN201921974202 U CN 201921974202U CN 211262409 U CN211262409 U CN 211262409U
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- liquid level
- level signal
- connecting piece
- guide rod
- guide cylinder
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Abstract
The utility model discloses a liquid level signal ware suitable for detect liquid level height relates to liquid level signal ware technical field, including cylindric casing, install the liquid level signal detection subassembly in the casing and can dismantle the connecting piece of connection in casing one end, just the connecting piece is mutually perpendicular with the axis of casing. The utility model discloses a liquid level annunciator suitable for detect liquid level height adopts the casing that the installation of detachable connecting piece set up liquid level signal detection subassembly, makes it can select different connecting pieces according to the installation condition of difference, makes it can install in the inside optional position of device under test in a flexible way, realizes the function of appointing liquid level height signals wantonly.
Description
Technical Field
The utility model relates to a sensor technical field, concretely relates to liquid level signaling ware suitable for detect liquid level height.
Background
The liquid level signal device is widely used in various oil tank water tanks, including airplane oil tanks, airplane water tanks, oil storage tanks of gas stations, raw material storage tanks of chemical enterprises, various public place water tanks and the like. The raw material of the tank is typically a single, well-sealed, opaque material that resists corrosion, particularly when the tank stores liquids that are corrosive or volatile. The liquid level annunciator arranged in the box body can send a designated liquid level signal to an operator or an operating system in real time so that the operator or the system can take proper measures.
The traditional liquid level annunciator is usually a customized product and needs to be designed independently according to the factors such as the external dimension of the box body, the installation space allowed in the box body, the triggering liquid level height and the rising or falling of the liquid level triggering mode. The common liquid level annunciators are mainly installed in two ways, one way is that the liquid level annunciators are installed on rib plates inside the box body through an installation disc, and the other way is limited by the installation position and needs to be integrated on other sensors inside other box bodies and mainly integrated inside the tubular capacitance sensor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art, a liquid level signal ware suitable for detect liquid level height is provided.
The utility model discloses a following technical scheme realizes: the liquid level annunciator suitable for detecting the liquid level height comprises a cylindrical shell, a liquid level signal detection assembly arranged in the shell and a connecting piece detachably connected to one end of the shell, wherein the connecting piece is perpendicular to the axis of the shell. The two ends of the shell are provided with openings, so that liquid can freely enter the shell, and the positions of the liquid level inside and outside the shell are consistent.
According to the technical scheme, the shell provided with the liquid level signal detection assembly is mounted through the detachable connecting piece, so that different connecting pieces can be selected according to different mounting conditions, the detachable connecting piece can be flexibly mounted at any position in the device to be detected, and the function of sending signals by designating the liquid level height at will is realized; meanwhile, the shell provided with the liquid level signal detection assembly can be vertically upwards installed through a connecting piece or vertically downwards installed, so that the liquid level signal detection assembly can detect liquid level descending and liquid level ascending; the problem that the existing liquid level annunciator needs to relate to different models and types according to different triggering liquid level heights is solved; the product has a plurality of varieties and is not wide in applicability after being agreed; meanwhile, the capacitance sensor does not need to be integrated in the capacitance sensor, and the metal tubes, parts and internal leads of the capacitance sensor are prevented from being enlarged, the parts are increased and the internal leads are increased due to the fact that a liquid level signal device is integrated in the capacitance sensor, so that the reliability of the capacitance sensor is reduced, and the failure risk of the capacitance sensor is increased.
Further, the connecting piece is a metal pipe connecting piece or a ribbed plate connecting piece; the metal pipe connecting piece comprises a first connecting head and a connecting sleeve which is connected with the first connecting head into a whole, and the first connecting head is detachably connected with one end of the shell; the connecting sleeve is detachably connected with a columnar component in the device to be tested; the floor connecting piece includes the second connector and is connected the connection floor as an organic whole with the second connector, the second connector can be dismantled with casing one end and be connected, the connection floor can be dismantled with the platelike part in the device under test and be connected.
The metal pipe connecting piece or the rib plate connecting piece can be freely selected according to the shape of a part which can be used for installing the liquid level annunciator in the device to be tested.
Further, the shell comprises a guide cylinder with one open end; the liquid level signal detection assembly is arranged in the guide cylinder, and one end of the liquid level signal detection assembly is fixed at one end, not opened, of the guide cylinder. The end of the shell, which is not provided with the opening, is provided with a liquid inlet hole, so that liquid in the device to be tested can enter the guide cylinder from the opening end and can also enter the guide cylinder from the non-opening end, and the heights of the inner liquid surface and the outer liquid surface of the guide cylinder are consistent.
Further, the liquid level signal detection assembly comprises an annular foam floater, a magnet, a hollow guide rod and a magnetic sensitive element; the magnetic sensing element is fixedly arranged in the hollow guide rod, and the magnet is embedded in the foam floater and moves along with the movement of the foam floater; the foam floater is nested outside the hollow guide rod and can move up and down along the hollow guide rod; the magnetic sensitive element is connected with an external lead. The inner diameter of the foam floater is larger than the outer diameter of the hollow guide rod, so that the foam floater can freely move along the hollow guide rod.
The magnetic sensing element is fixed in the hollow guide rod by glue pouring.
Furthermore, the length of the hollow guide rod is greater than that of the guide cylinder, and the connecting piece and the end, which is far away from the guide cylinder and is not opened, of the hollow guide rod are detachably connected.
The side wall of one end of the hollow guide rod, which is connected with the connecting piece, is provided with a wire guide hole, and the wire is externally connected with a signal receiving device after penetrating out of the wire guide hole, so that a liquid level signal is transmitted out.
Furthermore, the open end of guide cylinder is provided with the apron, be provided with the opening in the middle of the apron, the cavity guide arm is worn out the apron and is connected with the connecting piece for the range of motion of restriction foam float.
Furthermore, the cover plate is in threaded connection with the hollow guide rod, and the cover plate covers the opening end of the guide cylinder.
Furthermore, a wire guide hole is formed in the side wall of one end, close to the connecting piece, of the hollow guide rod, and a wire outlet hole is formed in the cover plate; the lead sequentially passes through the lead hole and the wire outlet hole to be led out.
Furthermore, an observation port extending along the axis direction of the guide cylinder is arranged on the side wall of the guide cylinder and used for observing whether the foam floater can normally move or not, and meanwhile, liquid can freely enter the guide cylinder.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model provides a liquid level signal ware suitable for detect liquid level height adopts the casing that the installation of detachable connecting piece set up liquid level signal detection subassembly, makes it can select different connecting pieces according to the installation condition of difference, makes it can install in the inside optional position of device under test in a flexible way, realizes the function of appointing liquid level height signals wantonly.
(2) The utility model provides a liquid level annunciator suitable for detect liquid level height can pass through the vertical installation that makes progress of connecting piece, also can vertical installation downwards, makes it both detectable liquid level decline, and the detectable liquid level rises again.
(3) The utility model provides a liquid level signal ware suitable for detect liquid level height adopts the built-in foam float that has magnet to trigger magnetic sensing element, realizes liquid level detection, and its simple structure, the commonality is good, and overall dimension is little, can use in littleer installation environment.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the installation of the guide bar and float of the present invention;
FIG. 4 is a schematic structural view of the metal pipe connector of the present invention;
fig. 5 is a schematic structural view of the ribbed plate connection of the present invention;
in the figure: the device comprises a hollow guide rod 1, a lead 2, a cover plate 3, a guide cylinder 4, a foam floater 5, a magnet 6, a magnetic sensitive element 7, a metal pipe connecting piece 8, a rib plate connecting piece 9 and a buoyancy line 10.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
In the following embodiments, the magneto-sensitive element 7 is a magneto-sensitive diode or a magneto-sensitive contactless potentiometer.
Example 1
As shown in figures 1-5, the liquid level annunciator suitable for detecting the liquid level height comprises a cylindrical shell, a liquid level signal detection assembly arranged in the shell and a connecting piece detachably connected to one end of the shell, wherein the connecting piece is perpendicular to the axis of the shell. The shell comprises a guide cylinder 4 with one open end; the liquid level signal detection assembly is arranged in the guide cylinder 4, and one end of the liquid level signal detection assembly is fixed at one end, not opened, of the guide cylinder 4.
The liquid level signal detection assembly comprises an annular foam floater 5, a magnet 6, a hollow guide rod 1 and a magnetic sensing element 7; the magnetic sensing element 7 is fixedly arranged in the hollow guide rod 1, and the magnet 6 is embedded in the foam floater 5 and moves along with the movement of the foam floater 5; the foam floater 5 is nested outside the hollow guide rod 1 and can move up and down along the hollow guide rod 1; the magnetic sensitive element 7 is connected with an external lead 2. The inner diameter of the foam float 5 is larger than the outer diameter of the hollow guide rod 1, so that the foam float 5 can freely move along the hollow guide rod 1.
The opening end of the guide cylinder 4 is provided with a cover plate 3, the middle of the cover plate 3 is provided with an opening, and the hollow guide rod 1 penetrates out of the cover plate 3 to be connected with a connecting piece.
A wire 2 hole is formed in the side wall of one end, close to the connecting piece, of the hollow guide rod 1, and a wire outlet hole is formed in the cover plate 3; the lead 2 sequentially penetrates through the hole of the lead 2 and the wire outlet hole to be led out.
The specific installation steps of the liquid level annunciator are as follows:
after the magnet 6 is embedded into the foam floater 5, the foam floater 5 is put into water to measure the position of a buoyancy line 10 of the foam floater 5, and the buoyancy line 10 is marked;
after welding the lead 2 on the magnetic sensitive element 7, putting the lead into the cavity inside the hollow guide rod 1 through the top of the hollow guide rod 1; the foam floater 5 is sleeved outside the hollow guide rod 1, and the position of the magnetic sensitive element 7 is adjusted to meet the requirement that the liquid level sending signals is positioned in the middle of the guide cylinder 4; pouring glue into the hollow guide rod 1 to fix the magnetic sensitive element 7; after the glue solution is solidified, leading the lead 2 out of the hollow guide rod 1;
fixing the hollow guide rod 1 on the center of the bottom of the guide cylinder 4 by using a screw, and sleeving the cover plate 3 on the hollow guide rod 1 and in interference fit with the hollow guide rod 1 until the cover plate is attached to the guide cylinder 4; leading out the lead 2 from a lead-out hole on the cover plate 3;
and selecting a connecting piece according to the installation position of the liquid level annunciator, wherein one end of the connecting piece is connected with the hollow guide rod 1, and the other end of the connecting piece is installed at the installation position in the device to be tested.
In order to better realize the technical scheme, the cover plate 3 is in threaded connection with the hollow guide rod 1, and the cover plate 3 covers the opening end of the guide cylinder 4.
In order to better realize the technical scheme: the connector can be one of a metal pipe connector 8 or a ribbed plate connector 9. The metal pipe connecting piece 8 comprises a first connecting head and a connecting sleeve which is connected with the first connecting head into a whole, and the first connecting head is detachably connected with one end of the shell; the connecting sleeve is detachably connected with a columnar component in the device to be tested; the rib plate connecting piece 9 comprises a second connector and a connecting rib plate which is connected with the second connector into a whole, the second connector is detachably connected with one end of the shell, and the connecting rib plate is detachably connected with a plate-shaped component in the device to be tested.
In order to better realize the technical scheme: the outer surface of the side wall of one end of the hollow guide rod 1, which is connected with the connecting piece, is provided with clamping surfaces which are symmetrical along the axis; the first connector or the second connector is a U-shaped connector, and a through hole is formed in the clamping surface of the hollow guide rod 1; when the connecting piece is connected with the hollow guide rod 1, two side walls of the U-shaped connector are attached to the two clamping surfaces, and the detachable connection of the connecting piece and the hollow guide rod 1 is realized through bolts penetrating through the two side walls of the U-shaped connector and the clamping surfaces and nuts in threaded connection with the bolts.
For better realization above-mentioned technical scheme, the cavity guide arm 1 also can be realized through the staple bolt with dismantling of connecting piece, and first connector and second connector are one end articulated staple bolt promptly, through staple bolt centre gripping cavity guide arm 1, the staple bolt is screwed up to rethread bolt, nut, realizes connecting piece and cavity guide arm 1 dismantling and is connected.
In order to better realize the technical scheme, an observation port extending along the axis direction of the guide cylinder 4 is arranged on the side wall of the guide cylinder 4 and is used for observing whether the foam floater 5 can normally move or not and simultaneously enabling liquid to freely enter the guide cylinder 4.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. The utility model provides a liquid level signal ware suitable for detect liquid level height which characterized in that: the liquid level detection device comprises a cylindrical shell, a liquid level signal detection assembly arranged in the shell and a connecting piece detachably connected to one end of the shell, wherein the connecting piece is vertical to the axis of the shell;
the connecting piece is a metal pipe connecting piece or a ribbed plate connecting piece (9); the metal pipe connecting piece comprises a first connecting head and a connecting sleeve which is connected with the first connecting head into a whole, and the first connecting head is detachably connected with one end of the shell; the connecting sleeve is detachably connected with a columnar component in the device to be tested; the rib plate connecting piece (9) comprises a second connector and a connecting rib plate which is connected with the second connector into a whole, the second connector is detachably connected with one end of the shell, and the connecting rib plate is detachably connected with a plate-shaped component in the device to be tested.
2. A level signal gauge adapted to measure the level of a liquid according to claim 1, wherein: the shell comprises a guide cylinder (4) with one open end; the liquid level signal detection assembly is arranged in the guide cylinder (4) and one end of the liquid level signal detection assembly is fixed at one end, not opened, of the guide cylinder (4).
3. A level signal gauge adapted to measure the level of a liquid according to claim 2, wherein: the liquid level signal detection assembly comprises an annular foam floater (5), a magnet (6), a hollow guide rod (1) and a magnetic sensitive element (7); the magnetic sensitive element (7) is fixedly arranged in the hollow guide rod (1), and the magnet (6) is embedded in the foam floater (5) and moves along with the movement of the foam floater (5); the foam floater (5) is nested outside the hollow guide rod (1) and can move up and down along the hollow guide rod (1); the magnetic sensitive element (7) is connected with an external lead (2).
4. A level signal indicator adapted to detect the level of a liquid according to claim 3, wherein: the length of the hollow guide rod (1) is greater than that of the guide cylinder (4), and the connecting piece is detachably connected with one end, away from the guide cylinder (4), of the hollow guide rod (1) and not opened.
5. A level signal gauge adapted to measure the level of a liquid according to claim 4, wherein: the opening end of the guide cylinder (4) is provided with a cover plate (3), the middle of the cover plate (3) is provided with an opening, and the hollow guide rod (1) penetrates out of the cover plate (3) to be connected with the connecting piece.
6. A level signal gauge adapted to measure the level of a liquid according to claim 5, wherein: the cover plate (3) is in threaded connection with the hollow guide rod (1), and the cover plate (3) covers the opening end of the guide cylinder (4).
7. A level signal gauge adapted to measure the level of a liquid according to claim 6, wherein: a wire (2) hole is formed in the side wall of one end, close to the connecting piece, of the hollow guide rod (1), and a wire outlet hole is formed in the cover plate (3); the lead (2) sequentially penetrates through the hole of the lead (2) and the wire outlet hole to be led out.
8. A level signal gauge adapted to measure the level of a liquid according to any one of claims 3, 4, 5, 6 and 7, wherein: an observation port extending along the axis direction of the guide cylinder (4) is arranged on the side wall of the guide cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974202.0U CN211262409U (en) | 2019-11-15 | 2019-11-15 | Liquid level signal device suitable for detecting liquid level height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921974202.0U CN211262409U (en) | 2019-11-15 | 2019-11-15 | Liquid level signal device suitable for detecting liquid level height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262409U true CN211262409U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921974202.0U Active CN211262409U (en) | 2019-11-15 | 2019-11-15 | Liquid level signal device suitable for detecting liquid level height |
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| Country | Link |
|---|---|
| CN (1) | CN211262409U (en) |
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2019
- 2019-11-15 CN CN201921974202.0U patent/CN211262409U/en active Active
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