CN207539009U - It is a kind of that there is the mechanical switch of excessive low water level protection - Google Patents
It is a kind of that there is the mechanical switch of excessive low water level protection Download PDFInfo
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- CN207539009U CN207539009U CN201721613533.2U CN201721613533U CN207539009U CN 207539009 U CN207539009 U CN 207539009U CN 201721613533 U CN201721613533 U CN 201721613533U CN 207539009 U CN207539009 U CN 207539009U
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- mechanical switch
- circuit plate
- power circuit
- water level
- level protection
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Abstract
There is the mechanical switch of excessive low water level protection the utility model discloses a kind of, including hex union, hexagonal pedestal, ceramic pressure sensor, upper flange lid, sealing ring, power circuit plate, signal control panel, shell, power cord and water pump line.The beneficial effects of the utility model are：By setting ceramic pressure sensor in the bottom of upper flange lid; so as to detect the pressure coefficient in hex union on feeler lever using ceramic pressure sensor and transmit information to signal control panel; when detecting that pressure is too small; signal control panel is switched off the pump by power circuit plate; in this way it is prevented that water pump still runs damage water pump in the case of water shortage, it is effectively protected the normal operation of water pump.Electronic pressure controller is replaced by ceramic pressure sensor, solving electronic pressure controller does not have the defects of pressure upper limit value set-up function, has expanded the use scope of mechanical switch.Mechanical switch have can excessive low water level protection water pump, it is more electronic the characteristics of.
Description
Technical field
The utility model is related to a kind of mechanical switch, specially a kind of to have the function of the mechanical switch of excessive low water level protection, belong to
Mechanical switch applied technical field.
Background technology
Mechanical switch acts on the generations such as different sensing pressure component diaphragms, bellows, piston in pressure increase
Deformation will move up, and by mechanical structures such as railing springs, the final microswitch for starting the top makes electric signal output.
Traditional mechanical switch is to control the automatic start-stop of water pump by setting two-way pressure value limit value, but works as water route
In system during water shortage, mechanical switch is None- identified so that water still continuous service, finally so that water pump is burnt out.With control
, there is electronic pressure controller in the development of switch, and when control system water shortage, electronic pressure controller can be according to internal line
Road plate program cuts off pump power.But electronic pressure controller is the operation that water pump is controlled according to flow signal, not on
The set-up function of pressure limiting force value, therefore some specific application places can not just use, at the same the cost of electron pressure control with
And all there are disadvantages for volume, some high-end customers can not be met by selling and installing.
Utility model content
The purpose of this utility model, which is that provide to solve the above-mentioned problems, a kind of has the function of the machine of excessive low water level protection
Tool switchs.
The utility model is achieved through the following technical solutions above-mentioned purpose, and a kind of machinery with excessive low water level protection is opened
It closes, including hex union and ceramic pressure sensor, the top engaging hexagonal pedestal of the hex union, the pressure sensor
Top is equipped with upper flange lid, and the lateral wall of the upper flange lid is arranged gasket, and the upper flange side of covering is equipped with power circuit
Plate, the top of the power circuit plate are equipped with signal control panel, the top engaging setting shell of the hexagonal pedestal, the power supply
Wiring board bottom connects power cord, and the power cord side is equipped with water pump line, and the hex union is internally provided with feeler lever.
Preferably, in order to the up and down form that flow information of water is passed through to pressure of feeler lever is allow to be conducted to ceramic sensor
Device, the cylinder structure of feeler lever, and the feeler lever is movably connected with hex union.
Preferably, the inside of hex union being arranged in order to which feeler lever can engage, the hex union is in hollow structure, and
The hex union intracavity diameter matches with feeler lever diameter.
Preferably, in order to make all parts in mechanical switch that can there are enough electric energy normal works, and ensure power supply
Wiring board can control pump switch, and described water pump line one end connects power circuit, and the water pump line and power circuit plate, electricity
Source line electrically connects.
Preferably, it in order to make the component inside mechanical switch that can be sealed, prevents component from being contacted with water and causes line
Short out road, the shell are vertical setting with hexagonal pedestal, and the shell forms confined space with the sealing fixation of hexagonal pedestal.
Preferably, it is more reasonable in order to design mechanical switch, save the occupied space of each component, the power circuit
The rounded structure of plate, and the power circuit plate is set in parallel with upper flange lid.
Preferably, it in order to which each component of tool switch internal that makes to pick can be sealed, prevents component from being contacted with water and causes
Line short, the ceramic pressure sensor, upper flange lid, sealing ring, power circuit plate and signal control panel are arranged at outer
The inside of shell.
Compared with prior art, the beneficial effects of the utility model are：
1st, by setting ceramic pressure sensor in the bottom of upper flange lid, so as to be examined using ceramic pressure sensor
It surveys the pressure coefficient in hex union on feeler lever and transmits information to signal control panel, when detecting that pressure is too small, represent
Water circuit system water shortage, signal control panel are switched off the pump by power circuit plate, in this way it is prevented that in the case of water shortage water
Pump still operation damage water pump is effectively protected the normal operation of water pump, extends the service life of water pump.
2nd, electronic pressure controller is replaced by ceramic pressure sensor, solves the not upper pressure limiting of electronic pressure controller
The defects of force value set-up function so that mechanical switch electronization has expanded the use scope of mechanical switch.
Description of the drawings
Fig. 1 is the utility model whole interior structure diagram.
Fig. 2 is the utility model entirety perspective view.
In figure：1st, hex union；2nd, hexagonal pedestal；3rd, ceramic pressure sensor；4th, upper flange lid；5th, sealing ring；6th, it is electric
Source wiring board；7th, signal control panel；8th, shell；9th, power cord；10th, water pump line；11st, feeler lever.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -2, it is a kind of that there is the mechanical switch of excessive low water level protection, it is pressed including hex union 1 and ceramics
Force snesor 3, the top engaging hexagonal pedestal 2 of hex union 1, for the hex union that is fixed, 3 top of pressure sensor is set
There is upper flange lid 4, upper flange lid plays the role of fixation pressure sensor 3, and the lateral wall of upper flange lid 4 is arranged gasket 5, close
5 sealing machine of packing switchs, and 4 top of upper flange lid is equipped with power circuit plate 6, and the top of power circuit plate 6 is controlled equipped with signal
Plate 7, power circuit plate 6 are electrically connected with signal control panel, the top engaging setting shell 8 of hexagonal pedestal 2, power circuit plate 6
Bottom connects power cord 9, and 9 side of power cord is equipped with water pump line 10, and hex union 1 is internally provided with feeler lever 11, and feeler lever 11 is by flow
Information is conducted to ceramic pressure sensor 3 by the situation of pressure signal.
Please refer to Fig.1 with Fig. 2 its with embodiment one difference lies in：11 cylinder structure of feeler lever, and feeler lever 11 and six
Angle joint 1 is movably connected, and the up and down form that flow information of water is passed through to pressure of feeler lever 11 is allow to be conducted to ceramic sensor
Device 3, hex union 1 is in hollow structure, and 1 intracavity diameter of hex union matches with 11 diameter of feeler lever, so as to make feeler lever 11 can
The inside of hex union 1 is arranged on engaging.10 one end of water pump line connection power circuit plate 6, and water pump line 10 and power circuit
Plate 6, power cord 9 electrically connect, so as to make all parts in mechanical switch that can have enough electric energy normal works, and
Ensure that power circuit plate 6 can control pump switch, shell 8 is vertical setting with hexagonal pedestal 2, and shell 8 and hexagonal pedestal 2
Sealing fixation forms confined space, so as to make the component inside mechanical switch that can be sealed, prevents component from being contacted with water
Line short, 6 rounded structure of power circuit plate are caused, and power circuit plate 6 is set in parallel with upper flange lid 4, so as to make
Mechanical switch designs more reasonable, saves the occupied space of each component, ceramic pressure sensor 3, upper flange lid 4, sealing ring
5th, power circuit plate 6 and signal control panel 7 are arranged at the inside of shell 8, so as to the equal energy of each component of tool switch internal that makes to pick
It is sealed, prevents component from being contacted with water and cause line short.
When the utility model is used, first, mechanical switch is fixed in water circuit system by hex union 1, feeler lever
Flow information of water is conducted to ceramic pressure sensor 3 by 11 with flow contact activity, feeler lever 11 by the form of pressure signal, ceramics
Pressure signal is conducted to signal control panel 7 by pressure sensor 3, and signal control panel 7 handles pressure information, and passes through electricity
Source wiring board 6 controls water pump to close or open.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of have the function of the mechanical switch of excessive low water level protection, special including hex union (1) and ceramic pressure sensor (3)
Sign is：The top engaging hexagonal pedestal (2) of the hex union (1), pressure sensor (3) top are equipped with upper flange lid
(4), the lateral wall of the upper flange lid (4) is arranged sealing ring (5), and power circuit plate is equipped with above the upper flange lid (4)
(6), the top of the power circuit plate (6) is equipped with signal control panel (7), and the top engaging setting of the hexagonal pedestal (2) is outer
Shell (8), power circuit plate (6) the bottom connection power cord (9), power cord (9) side is equipped with water pump line (10), described
Hex union (1) is internally provided with feeler lever (11).
A kind of there is the mechanical switch of excessive low water level protection 2. according to claim 1, it is characterised in that：The feeler lever
(11) cylinder structure, and the feeler lever (11) is movably connected with hex union (1).
A kind of there is the mechanical switch of excessive low water level protection 3. according to claim 1, it is characterised in that：The hexagonal connects
Head (1) is in hollow structure, and the hex union (1) intracavity diameter matches with feeler lever (11) diameter.
A kind of there is the mechanical switch of excessive low water level protection 4. according to claim 1, it is characterised in that：The water pump line
(10) one end connection power circuit plate (6), and the water pump line (10) electrically connects with power circuit plate (6), power cord (9)
It connects.
A kind of there is the mechanical switch of excessive low water level protection 5. according to claim 1, it is characterised in that：The shell
(8) it is vertical setting with hexagonal pedestal (2), and the shell (8) forms confined space with hexagonal pedestal (2) sealing fixation.
A kind of there is the mechanical switch of excessive low water level protection 6. according to claim 1, it is characterised in that：The power cord
Road plate (6) rounded structure, and the power circuit plate (6) is set in parallel with upper flange lid (4).
A kind of there is the mechanical switch of excessive low water level protection 7. according to claim 1, it is characterised in that：The ceramics pressure
Force snesor (3), upper flange lid (4), sealing ring (5), power circuit plate (6) and signal control panel (7) are arranged at shell (8)
Inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613533.2U CN207539009U (en) | 2017-11-28 | 2017-11-28 | It is a kind of that there is the mechanical switch of excessive low water level protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613533.2U CN207539009U (en) | 2017-11-28 | 2017-11-28 | It is a kind of that there is the mechanical switch of excessive low water level protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539009U true CN207539009U (en) | 2018-06-26 |
Family
ID=62615460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721613533.2U Active CN207539009U (en) | 2017-11-28 | 2017-11-28 | It is a kind of that there is the mechanical switch of excessive low water level protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539009U (en) |
-
2017
- 2017-11-28 CN CN201721613533.2U patent/CN207539009U/en active Active
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