CN109991538A - Liquid level switch detection device and method and air conditioner with device - Google Patents
Liquid level switch detection device and method and air conditioner with device Download PDFInfo
- Publication number
- CN109991538A CN109991538A CN201910407996.0A CN201910407996A CN109991538A CN 109991538 A CN109991538 A CN 109991538A CN 201910407996 A CN201910407996 A CN 201910407996A CN 109991538 A CN109991538 A CN 109991538A
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- China
- Prior art keywords
- detection
- level switch
- liquid
- indicator light
- placement region
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 239000007788 liquid Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 9
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 22
- 235000014676 Phragmites communis Nutrition 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention provides a liquid level switch detection device, which comprises a detection circuit and at least one detection branch circuit connected in parallel in the detection circuit, wherein each detection branch circuit comprises a liquid level switch and an indicator light which are connected in series; the detection circuit is also provided with a placing area which is connected with the detection branch in parallel, and a reed switch of the liquid level switch is arranged in the placing area; when the placing area is electrified, the contact of the reed switch is closed. Compared with the prior art, the liquid level switch detection device provided by the invention has the advantages that the placing area generates a magnetic field by electrifying, the reed switch and the indicating lamp are switched on and off under the action of the magnetic field, the liquid level switch is automatically detected, a plurality of independent reed switches can be arranged in the liquid level switch, each reed switch corresponds to the indicating lamp of a plurality of parallel circuits, the plurality of liquid level switches are simultaneously detected, the time required by detection is reduced, and the detection speed and the detection efficiency are improved.
Description
Technical field
The invention belongs to liquid-level switch detection technique fields, are to be related to a kind of liquid-level switch detection device more specifically
With method and with the air conditioner of the device.
Background technique
Liquid-level switch is the Liquid level device that a kind of structure is simple, esy to use, safe and reliable, it has than general machine
Tool volume of switch is small, speed is fast, long working life, and compared with electronic switch, it has the characteristics that anti-loading impact capacity is strong again.
Liquid-level switch terminals are connected general-purpose in actual production and admission checkout procedure, by operator by liquid-level switch
After table, floating ball mimic water-depth is risen manually lift the closure and disconnection that carry out tongue tube one by one, liquid level is verified with this
The integrality of switching circuit and function.
However, adopting manually and being difficult to realize batch detection, the speed of detection during the above detection
Slowly, time length, low efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid-level switch detection device and method and with the air conditioner of the device, with
Solve the problems, such as that detection speed existing in the prior art is slow, the time is long, low efficiency.
To achieve the above object, the technical solution adopted by the present invention is that: provide a kind of liquid-level switch detection device, including inspection
Slowdown monitoring circuit and at least one detection branch being connected in parallel in the detection circuit, every detection branch include being connected in series
Liquid-level switch and indicator light;The detection circuit is additionally provided with the placement region in parallel with the detection branch, the liquid-level switch
Tongue tube be mounted in the placement region;When the placement region is powered, the contact closure of the tongue tube.
Further, the liquid-level switch includes the magnetic suspension ball being set on the tongue tube;The placement region
When energization, the magnetic suspension ball changes the contact that the tongue tube is connected in position.
Further, the liquid-level switch further includes the nonmagnetic pipe for covering the tongue tube and the magnetic suspension ball.
Preferably, the liquid-level switch includes three detection branch.
Further, the liquid-level switch further includes the terminals for connecting the indicator light, the tongue tube and described outstanding
Floating ball controls the on-off of the terminals and the indicator light.
Preferably, annular magnet is provided in the suspension ball.
Preferably, the placement region is permanent magnet or electromagnet.
Further, the end of the placement region is provided with first for controlling the placement region and on/off
Control switch;The end of the indicator light is provided with the second control switch for controlling the indicator light and on/off;Institute
Stating detection circuit includes the master switch for controlling the placement region and the indicator light and on/off.
Another object of the present invention is to provide a kind of methods for detecting circuit on-off, include the following steps:
S1, it is closed the master switch and first control switch, power supply is connected to the placement region, and the placement region is formed
Magnetic field, the suspension ball is slided along the tongue tube so that institute is connected in the terminals described under the action of the magnetic field
State indicator light;
S2, closure second control switch, if indicator light is bright, the liquid-level switch conducting is described if indicator light does not work
Liquid-level switch failure.
Another object of the present invention is to provide a kind of air conditioners, including above-mentioned liquid-level switch detection device.
The beneficial effect of liquid-level switch detection device provided by the invention is: compared with prior art, the present invention uses
It is powered so that placement region generates magnetic field, tongue tube realizes the on-off of liquid-level switch and indicator light under the influence of a magnetic field, realizes
The on-off of automatic detection liquid-level switch, in liquid-level switch settable multiple mutually independent tongue tubes, each tongue tube pair
The indicator light for answering a plurality of parallel line is realized to multiple liquid-level switches while being detected, and is reduced the time required for detection, is mentioned
High detection speed and detection efficiency.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of liquid-level switch detection device provided in an embodiment of the present invention, and part-structure is not shown;
Fig. 2 is the structural schematic diagram of tongue tube provided in an embodiment of the present invention, and part-structure is not shown.
Wherein, each attached drawing main mark in figure:
1, detection circuit;11, placement region;12, indicator light;14, the first control switch;15, the second control switch;16, it always opens
It closes;
2, liquid-level switch;21, tongue tube;22, suspension ball;23, terminals.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1 and Fig. 2, now liquid-level switch detection device provided in an embodiment of the present invention is illustrated.Institute
Liquid-level switch detection device is stated, including detection circuit 1 and liquid-level switch 2, liquid-level switch 2 are connected in detection circuit 1.Wherein,
Detection circuit 1 includes placement region 11 and at least one detection branch, and every detection branch includes the liquid-level switch 2 being connected in series
With indicator light 12.Placement region 11 forms magnetic field when detection circuit 1 is powered, and the end of liquid-level switch 2 is located in placement region 11,
Indicator light 12 and placement region 11 are in parallel.Liquid-level switch 2 includes at least one tongue tube 21, the number of tongue tube 21 and indicator light 12
Amount matches, and tongue tube 21 is formed by magnetic field in placement region 11, and tongue tube 21 controls liquid level under the influence of a magnetic field and opens
Close the on-off of 2 and indicator light 12.The logical of the route of each liquid-level switch 2 is detected by the on-off of tongue tube 21 and indicator light 12
It is disconnected.In other embodiments, permanent magnet also can be used and electromagnet replaces placement region 11.
2 detection device of liquid-level switch provided by the invention, compared with prior art, using energization so that placement region 11 produces
Magnetisation field, tongue tube 21 realize the on-off of liquid-level switch 2 and indicator light 12 under the influence of a magnetic field, realize automatic detection liquid level
The on-off of switch 2, settable multiple mutually independent tongue tubes 21 in placement region 11, each correspondence of tongue tube 21 are a plurality of simultaneously
The indicator light 12 on line road is realized to multiple liquid-level switches 2 while being detected, and is reduced the time required for detection, is improved
Detect speed and detection efficiency.
Further, also referring to Fig. 1 and Fig. 2, liquid-level switch 2 includes nonmagnetic pipe, and nonmagnetic pipe sleeve is located at dry spring
The outside of pipe 21 has an impact to prevent the interaction to magnetic field and tongue tube 21, and suspension ball 22 is arranged on tongue tube 21, hangs
Floating ball 22 has magnetism, and suspension ball 22 slides on tongue tube 21 under the influence of a magnetic field, by suspension ball 22 change position come
The contact of tongue tube 21 is connected, to realize the connection of liquid-level switch 2 and indicator light 12.
Preferably, referring to Fig. 1, a kind of specific embodiment as 2 detection device of liquid-level switch provided by the invention,
Liquid-level switch 2 includes three mutually independent tongue tubes 21, and detection circuit 1 includes three indicator lights 12 parallel with one another.It is each
Tongue tube 21 can simultaneously and the non-interfering route to where each indicator light 12 detects.Theoretically, 21 He of tongue tube
The quantity of indicator light 12 can be selected arbitrarily, it might even be possible to unlimited more.In other embodiments, can also according to the actual situation and need
Seek the quantity of selection tongue tube 21 and indicator light 12.
Further, referring to Fig. 1, liquid-level switch 2 further includes terminals 23, terminals 23 connect liquid-level switch 2 and refer to
Show the route where lamp 12, placement region 11 in the case where being not powered on, be failure to actuate on tongue tube 21, terminals by suspension ball 22
23 and indicator light 12 remain the state of open circuit.After placement region 11 is powered, magnetic field, work of the suspension ball 22 in magnetic field are formed
It is moved on tongue tube 21 under so that indicator light 12 is connected in terminals 23, if the route where indicator light 12 refers to open a way
Show that lamp 12 is bright, if the route where indicator light 12 is access, indicator light 12 is bright.
Further, Fig. 1 and Fig. 2 is please referred to, annular magnet is set in suspension ball 22, suspension ball 22 is set in tongue tube 21
On, annular magnet is convenient for being uniformly distributed magnetic field around tongue tube 21, so that the various pieces of suspension ball 22 are in tongue tube 21
On move synchronously.
Further, referring to Fig. 1, the end of placement region 11 is provided with the first control switch 14, the first control switch
14 for controlling the on-off of placement region 11 and power supply, and the end of indicator light 12 is provided with the second control switch 15, the second control
Switch 15 is provided with master switch 16, master switch 16 is for controlling for controlling the indicator light 12 and on/off in detection circuit 1
On-off between placement region 11 processed and indicator light 12 and power supply, details are not described herein.
The present invention also provides a kind of methods for detecting circuit on-off, include the following steps:
S1, closure master switch 16 and the first control switch 14, power supply are connected to placement region 11, and placement region 11 forms magnetic field,
Suspension ball 22 is being slided along tongue tube 21 so that indicator light 12 is connected in terminals 23 under the action of magnetic field;Wherein, tongue tube 21
Inside it is provided with contact, make contact during suspension ball 22 is slided along tongue tube 21 under the influence of a magnetic field.
S2, the second control switch 15 of closure, if indicator light 12 is bright, the route of liquid-level switch 2 is good, if indicator light 12 is not
It is bright, then the line failure of liquid-level switch 2.Multiple mutually independent liquid-level switches 2 can be set in placement region 11, each
Indicator light 12 is connected on parallel line, each tongue tube 21 and indicator light 12 are corresponded, and can be realized disposable
Multiple liquid-level switches 2 are detected, efficiency is improved.
The present invention also provides a kind of air conditioner, the air conditioner includes above-mentioned liquid-level switch detection device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of detection device, including detection circuit and at least one detection branch being connected in parallel in the detection circuit,
Every detection branch includes the liquid-level switch and indicator light being connected in series;It is characterized by: the detection circuit is additionally provided with and institute
The placement region of detection branch parallel connection is stated, the tongue tube of the liquid-level switch is mounted in the placement region;The rest area
When domain is powered, the contact closure of the tongue tube.
2. detection device as described in claim 1, it is characterised in that: the liquid-level switch includes being set on the tongue tube
Magnetic suspension ball;When the placement region is powered, the magnetic suspension ball changes the contact that the tongue tube is connected in position.
3. detection device as claimed in claim 2, it is characterised in that: the liquid-level switch further include cover the tongue tube and
The nonmagnetic pipe of the magnetic suspension ball.
4. detection device as described in claim 1, it is characterised in that: the liquid-level switch includes three detection branch.
5. detection device as claimed in claim 2, it is characterised in that: the liquid-level switch further includes connecting the indicator light
Terminals, the tongue tube and the suspension ball control the on-off of the terminals and the indicator light.
6. detection device as claimed in claim 2, it is characterised in that: be provided with annular magnet in the suspension ball.
7. detection device as described in claim 1, it is characterised in that: the placement region is permanent magnet or electromagnet.
8. detection device as described in claim 1, it is characterised in that: the end of the placement region is provided with for controlling
State the first control switch of placement region and on/off;The end of the indicator light be provided with for control the indicator light and
Second control switch of on/off;The detection circuit includes for controlling the placement region and the indicator light and power supply
The master switch of on-off.
9. a kind of method for detecting circuit on-off, which comprises the steps of:
S1, it is closed the master switch and first control switch, power supply is connected to the placement region, and the placement region is formed
Magnetic field, the suspension ball is slided along the tongue tube so that institute is connected in the terminals described under the action of the magnetic field
State indicator light;
S2, closure second control switch, if indicator light is bright, the liquid-level switch conducting is described if indicator light does not work
Liquid-level switch failure.
10. a kind of air conditioner, it is characterised in that: including such as described in any item detection devices of claim 1-10.
Priority Applications (1)
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CN201910407996.0A CN109991538B (en) | 2019-05-15 | 2019-05-15 | Liquid level switch detection device and method and air conditioner with device |
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CN201910407996.0A CN109991538B (en) | 2019-05-15 | 2019-05-15 | Liquid level switch detection device and method and air conditioner with device |
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CN109991538A true CN109991538A (en) | 2019-07-09 |
CN109991538B CN109991538B (en) | 2021-08-03 |
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Cited By (2)
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---|---|---|---|---|
CN110779707A (en) * | 2019-12-06 | 2020-02-11 | 常德思高技术有限公司 | Water tank type liquid level switch service life test equipment and method |
CN114878198A (en) * | 2022-06-06 | 2022-08-09 | 珠海格力电器股份有限公司 | Fault detection circuit and method and air conditioning equipment |
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CN110779707A (en) * | 2019-12-06 | 2020-02-11 | 常德思高技术有限公司 | Water tank type liquid level switch service life test equipment and method |
CN114878198A (en) * | 2022-06-06 | 2022-08-09 | 珠海格力电器股份有限公司 | Fault detection circuit and method and air conditioning equipment |
CN114878198B (en) * | 2022-06-06 | 2023-05-30 | 珠海格力电器股份有限公司 | Fault detection circuit and method and air conditioning equipment |
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