CN206514916U - Alarm type magnetic double level gauge - Google Patents

Alarm type magnetic double level gauge Download PDF

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Publication number
CN206514916U
CN206514916U CN201720133165.5U CN201720133165U CN206514916U CN 206514916 U CN206514916 U CN 206514916U CN 201720133165 U CN201720133165 U CN 201720133165U CN 206514916 U CN206514916 U CN 206514916U
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CN
China
Prior art keywords
proximity switch
housing
floating drum
cavity
level gauge
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Active
Application number
CN201720133165.5U
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Chinese (zh)
Inventor
李俊
嵇国华
陈功
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Jiangsu Chemical Co Ltd Of Alliance
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Jiangsu Chemical Co Ltd Of Alliance
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Priority to CN201720133165.5U priority Critical patent/CN206514916U/en
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Abstract

The utility model discloses a kind of alarm type magnetic double level gauge, it includes housing, floating drum, magnetic turning plate indicator and level alarm device, and housing has cavity;Floating drum is arranged in the cavity of housing, and can be fluctuated with the liquid in cavity, and magnet ring is provided with floating drum;Magnetic turning plate indicator is arranged on the outer wall of housing, and magnetic turning plate indicator and the supporting cooperation of magnet ring in floating drum;Level alarm device includes audible-visual annunciator, control panel, upper proximity switch, lower proximity switch and contact slipper, contact slipper slide fit is on the outer wall of housing, contact slipper is connected with the floating drum, the signal output part of upper proximity switch and lower proximity switch is connected with control panel respectively, the control signal of audible-visual annunciator is connected with the control panel, and upper proximity switch and lower proximity switch are engaged with the contact slipper respectively.The utility model can be when liquid level be higher than a certain setting value or less than a certain setting value, automatic alarm, prevents because the too high or too low phenomenon for occurring security incident of liquid level.

Description

Alarm type magnetic double level gauge
Technical field
The utility model is related to a kind of alarm type magnetic double level gauge.
Background technology
At present, magnetic double level gauge is to be digested raising according to similar products at home and abroad and promulgated according to former the Ministry of Chemical Industry The product of magnetic fluid level gauge standard HG/T21584-95 development and production.The instrument can be used for various towers, tank, groove, spherical vessel and The medium level sensing of the equipment such as boiler.
Magnetic float level indicator, alternatively referred to as magnetic double level gauge, according to law of buoyancy and magnetic couplings effect development Into.When the liquid level lifting in tested container, the floating drum in housing is also lifted therewith, and the magnet ring in floating drum is transmitted by magnetic coupling To magnetic turning plate indicator, red, white turnover panel is driven to overturn 180 °, turnover panel is changed into red by white when liquid level rises, and works as liquid level Turnover panel is changed into white by red during decline, and the red white intersection of indicator is the actual height of container inside liquid level, so that real Existing liquid level is clearly indicated.
But, the liquid level that the magnetic double level gauge of prior art is shown to reaches higher limit or lower limit, does not possess alarm Function, use is very inconvenient.
The content of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art there is provided a kind of alarm type magnetic turnover panel Liquid level gauge, it can be when liquid level be higher than a certain setting value or less than a certain setting value, and automatic alarm is prevented because liquid level is too high Or the too low phenomenon for occurring security incident.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:A kind of alarm type magnetic double level gauge, it Including:
Housing, the housing has cavity;
Floating drum, the floating drum is arranged in the cavity of housing, and can be fluctuated with the liquid in cavity, on the floating drum It is provided with magnet ring;
Magnetic turning plate indicator, the magnetic turning plate indicator is arranged on the outer wall of housing, and the magnetic turning plate indicator With the supporting cooperation of magnet ring in the floating drum;
Level alarm device, the level alarm device includes audible-visual annunciator, control panel, upper proximity switch, lower close Switch and contact slipper, the contact slipper slide fit is on the outer wall of housing, and the contact slipper is connected with the floating drum, described The signal output part of upper proximity switch and the lower proximity switch is connected with control panel respectively, and the control of the audible-visual annunciator is defeated Enter end with the control panel to be connected, the upper proximity switch and the lower proximity switch contact with the contact slipper match somebody with somebody respectively Close, when contact slipper, which slides into, to be contacted with upper proximity switch, the upper proximity switch produces a upper limit signal;When contact is slided Block slides into when being contacted with lower proximity switch, and the lower proximity switch produces limit signal, and the control panel is according to reception The upper limit signal and lower limit signal arrived drives the audible-visual annunciator work.
The attachment structure of a kind of cavity and liquid tank is further provided, alarm type magnetic double level gauge also includes being used to incite somebody to action The connecting line that cavity is connected with outside liquid tank, the connecting line includes down tube, the down tube and the liquid tank and The bottom of the cavity is connected.
Further, valve is installed in the down tube.
Further for making it possess dirt eliminating function, the lower end of the housing is provided with blowdown apparatus, the blowdown apparatus Including blow-off line and blowoff valve, the blow-off line is connected with cavity, and the blowoff valve is arranged on blow-off line.
Further for making floating drum to be floated well in cavity, the floating drum includes main body and outer baffle, institute State outer baffle to be arranged on the outer wall of main body, the outer baffle is provided with shape between at least two fins, adjacent fin Into above and below having outside shape insertion baffle guiding gutter.
Further for it is made after a long time use, the main body of floating drum, which still has in buoyancy, the main body, to be provided with Separated between at least two annular seal spaces, adjacent annular seal space by the dividing plate being arranged in main body.
Further, there is the slideway being placed in the vertical direction, the contact slipper slide fit exists on the outer wall of the housing In slideway.
Employ after above-mentioned technical proposal, when floating drum of the present utility model is with liquid level oscilaltion in liquid tank, when When floating drum drops to contact slipper and contacted with lower proximity switch, the lower proximity switch produces limit signal, lower limit letter Number control panel is passed to, control panel drives audible-visual annunciator sound and light alarm again;Opened when floating drum rises to contact slipper with upper approach When closing contact, the upper proximity switch produces limit signal, and lower limit signal passes to control panel, and control panel drives sound again Light crossing-signal sound and light alarm, so that it is when liquid level is higher than a certain setting value or less than a certain setting value, automatic alarm is prevented Because the too high or too low phenomenon for occurring security incident of liquid level.
Brief description of the drawings
Fig. 1 is the structural representation of alarm type magnetic double level gauge of the present utility model;
Fig. 2 is the connection diagram of liquid level alarm device of the present utility model.
Embodiment
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached Figure, is described in further detail to the utility model.
As shown in Figure 1, 2, a kind of alarm type magnetic double level gauge, it includes:
Housing 1, the housing 1 has cavity;
Floating drum 2, the floating drum 2 is arranged in the cavity of housing 1, and can be fluctuated with the liquid in cavity, described floating Magnet ring is provided with cylinder 2;
Magnetic turning plate indicator 3, the magnetic turning plate indicator 3 is arranged on the outer wall of housing 1, and the magnetic turnover panel is indicated Device 3 and the supporting cooperation of magnet ring in the floating drum 2;
Level alarm device, the level alarm device include audible-visual annunciator 73, control panel 74, upper proximity switch 71, Lower proximity switch 72 and contact slipper 75, the slide fit of contact slipper 75 is on the outer wall of housing 1, the contact slipper 75 and institute State floating drum 2 to be connected, the signal output part of the upper proximity switch 71 and the lower proximity switch 72 is connected with control panel 74 respectively, The control signal of the audible-visual annunciator 73 is connected with the control panel 74, and the upper proximity switch 71 and lower approach are opened 72 are closed to be engaged with the contact slipper 75 respectively, it is described when contact slipper 75, which slides into, to be contacted with upper proximity switch 71 Upper proximity switch 71 produces a upper limit signal;When contact slipper 75, which slides into, to be contacted with lower proximity switch 72, it is described under connect Nearly switch 72 produces limit signal, and the control panel 74 drives institute according to the upper limit signal and lower limit signal received Audible-visual annunciator 73 is stated to work.
As shown in figure 1, alarm type magnetic double level gauge also includes the company for being used to cavity with outside liquid tank 10 being connected Road is taken over, the connecting line includes down tube 5, and the down tube 5 is connected with the bottom of the liquid tank 10 and the cavity.
As shown in figure 1, being provided with valve 53 in the down tube 5.The break-make of down tube 5 is opened or closed by valve 53, It is easy to repair and detects.
As shown in figure 1, the lower end of the housing 1 is provided with blowdown apparatus, the blowdown apparatus includes the He of blow-off line 61 Blowoff valve 62, the blow-off line 61 is connected with cavity, and the blowoff valve 62 is arranged on blow-off line 61;Filled by blowdown Putting makes it possess dirt eliminating function, it is necessary to during blowdown, open blowoff valve 62, the dirt just outflow from blow-off line 61 is very convenient.
As shown in figure 1, the floating drum 2 includes main body and outer baffle, the outer baffle is arranged on the outer wall of main body, The outer baffle is provided be formed between at least two fins 21, adjacent fin 21 above and below shape insertion outer baffle lead Chute;The liquid that guiding gutter makes plays a part of water conservancy diversion to fin 21, can well be floated in cavity, very just Just.
As shown in figure 1, at least two annular seal spaces are provided with the main body, by being arranged on master between adjacent annular seal space Internal dividing plate is separated;By setting multiple annular seal spaces, make floating drum 2 that there is good buoyancy, as long as one of annular seal space is not Leakage, it is ensured that the normal work of floating drum 2.
As shown in figure 1, having the slideway 11 being placed in the vertical direction, the contact slipper on the outer wall of the housing 1 75 slide fits are in slideway 11.
Operation principle of the present utility model is as follows:
When floating drum 2 of the present utility model is with liquid level oscilaltion in liquid tank 10, when floating drum 2 drops to contact slipper 75 with lower proximity switch 72 when contacting, and the lower proximity switch 72 produces limit signal, and lower limit signal passes to control Plate 74, control panel 74 drives the sound and light alarm of audible-visual annunciator 73 again;When floating drum 2 rises to contact slipper 75 and upper proximity switch 71 During contact, the upper proximity switch 71 produces limit signal, and lower limit signal passes to control panel 74, and control panel 74 drives again The dynamic sound and light alarm of audible-visual annunciator 73, so that it is when liquid level is higher than a certain setting value or less than a certain setting value, automatic report It is alert, prevent because the too high or too low phenomenon for occurring security incident of liquid level.
Particular embodiments described above, enters to technical problem, technical scheme and the beneficial effect that the utility model is solved Go further description, should be understood that and the foregoing is only specific embodiment of the utility model, and without It is all within spirit of the present utility model and principle in limitation the utility model, any modification, equivalent substitution and improvements done Deng should be included within protection domain of the present utility model.

Claims (7)

1. a kind of alarm type magnetic double level gauge, it is characterised in that it includes:
Housing (1), the housing (1) has cavity;
Floating drum (2), the floating drum (2) is arranged in the cavity of housing (1), and can be fluctuated with the liquid in cavity, described Floating drum is provided with magnet ring on (2);
Magnetic turning plate indicator (3), the magnetic turning plate indicator (3) is arranged on the outer wall of housing (1), and the magnetic turnover panel refers to Show device (3) and the supporting cooperation of magnet ring in the floating drum (2);
Level alarm device, the level alarm device includes audible-visual annunciator (73), control panel (74), upper proximity switch (71), lower proximity switch (72) and contact slipper (75), contact slipper (75) slide fit are described on the outer wall of housing (1) Contact slipper (75) is connected with the floating drum (2), and the signal of the upper proximity switch (71) and the lower proximity switch (72) is defeated Go out end respectively with control panel (74) to be connected, the control signal of the audible-visual annunciator (73) is connected with the control panel (74), The upper proximity switch (71) and the lower proximity switch (72) are engaged with the contact slipper (75) respectively, when contact is slided Block (75) slides into when being contacted with upper proximity switch (71), and the upper proximity switch (71) produces a upper limit signal;Work as contact Sliding block (75) slides into when being contacted with lower proximity switch (72), and the lower proximity switch (72) produces limit signal, described Control panel (74) drives audible-visual annunciator (73) work according to the upper limit signal and lower limit signal that receive.
2. alarm type magnetic double level gauge according to claim 1, it is characterised in that:Also include being used for cavity and outside The connected connecting line of liquid tank (10), the connecting line includes down tube (5), the down tube (5) and the liquid tank (10) bottom with the cavity is connected.
3. alarm type magnetic double level gauge according to claim 2, it is characterised in that:Valve is installed on the down tube (5) Door (53).
4. alarm type magnetic double level gauge according to claim 1, it is characterised in that:The lower end of the housing (1) is set There is blowdown apparatus, the blowdown apparatus includes blow-off line (61) and blowoff valve (62), the blow-off line (61) and cavity phase Connection, the blowoff valve (62) is arranged on blow-off line (61).
5. alarm type magnetic double level gauge according to claim 1, it is characterised in that:The floating drum (2) include main body and Outer baffle, the outer baffle is arranged on the outer wall of main body, and the outer baffle is provided with least two fins (21), phase The guiding gutter of the outer baffle of shape insertion above and below being formed between adjacent fin (21).
6. alarm type magnetic double level gauge according to claim 5, it is characterised in that:At least two are provided with the main body Separated between individual annular seal space, adjacent annular seal space by the dividing plate being arranged in main body.
7. alarm type magnetic double level gauge according to claim 1, it is characterised in that:Have on the outer wall of the housing (1) There is the slideway (11) being placed in the vertical direction, contact slipper (75) slide fit is in slideway (11).
CN201720133165.5U 2017-02-14 2017-02-14 Alarm type magnetic double level gauge Active CN206514916U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720133165.5U CN206514916U (en) 2017-02-14 2017-02-14 Alarm type magnetic double level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720133165.5U CN206514916U (en) 2017-02-14 2017-02-14 Alarm type magnetic double level gauge

Publications (1)

Publication Number Publication Date
CN206514916U true CN206514916U (en) 2017-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720133165.5U Active CN206514916U (en) 2017-02-14 2017-02-14 Alarm type magnetic double level gauge

Country Status (1)

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CN (1) CN206514916U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871507A (en) * 2018-07-11 2018-11-23 无锡南理工科技发展有限公司 A kind of electromechanical integration water-level alarm mechanism and application method
CN108955833A (en) * 2018-08-20 2018-12-07 天长市瑞达仪表电缆材料厂 A kind of variable alarm device of magnetic double level gauge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871507A (en) * 2018-07-11 2018-11-23 无锡南理工科技发展有限公司 A kind of electromechanical integration water-level alarm mechanism and application method
CN108955833A (en) * 2018-08-20 2018-12-07 天长市瑞达仪表电缆材料厂 A kind of variable alarm device of magnetic double level gauge

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