CN210378890U

CN210378890U - Water level detection switch

Info

Publication number: CN210378890U
Application number: CN201921603155.9U
Authority: CN
Inventors: 王剑锋
Original assignee: Zhejiang Shuanghua Refrigeration System Co ltd
Current assignee: Zhejiang Shuanghua Refrigeration System Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-21
Anticipated expiration: 2029-09-17

Abstract

The utility model provides a water level detection switch, include: the induction device comprises an induction column, an induction floater and a safety shell, wherein a water inlet hole is formed in the side wall of the bottom of the safety shell; the induction column is vertically arranged in the containment shell, and the upper end and the lower end of the induction column are connected with the inner wall of the safety shell; a magnetic reed switch is embedded in the induction column and outputs an electric signal for detection through a lead, the induction float is of an annular structure and is sleeved on the induction column, and a magnetic element is arranged in the induction float; the distance between the magnetic reed switch and the bottom surface of the safety shell exceeds the magnetic distance of the magnetic element. Through the inside magnetic reed switch that is equipped with of response post and the cooperation design of response float, make this water level detection switch realize the detection to water liquid height to and the effect that the water level was too high to report to the police.

Description

Water level detection switch

Technical Field

The utility model relates to a water level detection switch.

Background

In life, refrigeration equipment such as air conditioners, refrigerators and the like is popularized, and in the process of using the refrigeration equipment, condensate water can be continuously generated, the dripping of the condensate water can influence the service life of a wall body, people can collect the condensate water by adopting a water collecting device, and the water amount is continuously increased, the overload condition can be generated on the water collecting device without timely treatment, so that the condensate water flows onto the wall body, and the service life of the wall body is influenced. If a device which can timely know the condition that the condensed water of the water collecting device is about to be filled is arranged, when the water collecting device is about to be filled with the condensed water, a warning signal is sent, people know that the warning signal can timely treat the condensed water in the water collecting device, and the problem that the service life of a wall body is influenced by the condensed water can be solved.

Disclosure of Invention

In order to solve the problem, the utility model provides a water level detection switch for water level detection when the water level height reaches the default, then reports to the police.

The utility model adopts the technical proposal that: a condensate level detection switch comprising: the induction device comprises an induction column, an induction floater and a safety shell, wherein a water inlet hole is formed in the side wall of the bottom of the safety shell; the induction column is vertically arranged in the containment shell, and the upper end and the lower end of the induction column are connected with the inner wall of the safety shell; a magnetic reed switch is embedded in the induction column and outputs an electric signal for detection through a lead, the induction float is of an annular structure and is sleeved on the induction column, and a magnetic element is arranged in the induction float; the distance between the magnetic reed switch and the bottom surface of the safety shell exceeds the magnetic distance of the magnetic element, so that the magnetic reed switch is not influenced by the magnetic field of the magnetic element under the condition that no water exists in the initial state and is in an open state. Through the matching design of the magnetic reed switch and the induction floater arranged in the induction column, the condensed water level detection switch realizes the function of automatically disconnecting or connecting the circuit and plays the role of automatic switching. As the common knowledge in the field, the contact part of the induction column, the safety shell and the supporting piece can be subjected to glue filling and sealing treatment, so that condensed water is prevented from entering the inner cavity of the induction column to cause circuit failure, and the safety and the reliability of the condensed water level detection switch can be ensured.

Further, in the initial state, the two end heads of the magnetic reed switch are separated initially to form a circuit open circuit state; when the induction floater floats to a specified position, the magnetic reed switch is in the magnetic range of the induction floater, and the end heads at the two ends of the magnetic reed switch are in contact with each other to form a circuit path state.

Further, the condensed water level detection switch further comprises a supporting piece for fixing the induction column, and the design is used for ensuring the stability of the induction column in water and preventing the induction column from inclining or collapsing under the interference of water.

Furthermore, the supporting piece is connected with the induction column through a thread structure, and the design enables the condensed water level detection switch to be convenient to maintain.

Furthermore, the upper wall of the safety shell is provided with a pressure relief hole, so that the actual position of the water level line cannot be influenced by the pressure difference between the inside and the outside, and the accuracy of detection data is ensured.

Furthermore, a weight increasing part is arranged in the bottom of the safety shell, so that the condensed water level detection switch can not float upwards when placed at the bottom of the drainage tray, and is easy to place stably.

Furthermore, the safety shell is a transparent shell, and a water level marking line is carved on the wall surface of the safety shell. The design is convenient for visual measurement, and is easy for personnel to install and maintain.

Furthermore, the safety shell is divided into an upper shell and a lower shell, a buckle structure is arranged between the upper shell and the lower shell and is tightly buckled together, so that the condensed water level detection switch is convenient to install and maintain and is also convenient to disassemble and clean.

The magnetic field of the magnetic element enables the end positions of two reeds of the magnetic reed switch to generate different polarities, and when the magnetic force exceeds the elastic force of the reeds, the two reeds attract and conduct the circuit. The magnetic distance is as follows: and the magnetic element is the farthest induction distance from the magnetic reed switch, so that reeds of the magnetic reed switch are mutually attracted under the action of a magnetic field of the magnetic element.

The utility model has the advantages that: by arranging the water level detection switch, when the water level reaches a preset value, an alarm is given, people can treat the temporarily reserved water liquid without observing the water liquid level all the time, and the time for watching for many times is shortened.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a working schematic diagram of the magnetic reed switch of the present invention.

Reference numerals: 1 is a sensing column, 2 is a sensing floater, 3 is a supporting piece, 4 is a magnetic reed switch, 5 is a safety shell, 51 is an upper shell, 52 is a lower shell, 6 is a pressure release hole, 7 is a water inlet hole, 8 is a weight increasing piece, and 9 is a water level marking line.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Embodiment one, refer to fig. 1, 2.

The utility model provides a comdenstion water level detection switch, include: the device comprises an induction column 1, an induction floater 2 and a safety shell 5, wherein a water inlet 7 is formed in the side wall of the bottom of the safety shell 5; the induction column 1 is vertically installed in the safety shell 5, a magnetic reed switch 4 is embedded in the induction column 1, the magnetic reed switch 4 outputs an electric signal for detection through a lead, the induction float 2 is of an annular structure and is sleeved on the induction column 1, and a magnetic element is arranged in the induction float 2; the upper end and the lower end of the induction column 1 are connected with the inner wall of the safety shell 5, the induction floater 2 is limited on the induction column 1, and the induction column 1 cannot be separated due to the buoyancy of water. The distance between the magnetic reed switch 4 and the bottom surface of the safety shell 5 exceeds the magnetic distance of the magnetic element, so that the magnetic reed switch 4 is not influenced by the magnetic field of the magnetic element under the condition that no water exists in the initial state and is in an opening state. The utility model discloses a magnetic reed switch 4 that induction column 1 is inside to be equipped with and the cooperation design of response float 2 make this comdenstion water level detection switch realize automatic disconnection or conduction circuit's function, play automatic switch's effect, and will respond to 1 and safe casing 5 and the 3 contact segment adoption encapsulating sealing process of support piece of post, prevent that the comdenstion water from getting into 1 inner chamber of induction column and taking place circuit failure, can guarantee this comdenstion water level detection switch's fail safe nature.

It is worth mentioning that the condensed water level detection switch further comprises an alarm system, the alarm system comprises a power supply and an alarm, and the power supply, the alarm and the magnetic reed switch 4 are connected in series to form a loop. The water level detection switch is placed in an environment with a water level to be detected, water enters the safety shell 5 through the water inlet hole 7, the induction floater 2 continuously floats upwards along with the rising of the water level of condensed water, when the height of the end heads at the two ends of the magnetic reed switch 4 is reached, the magnetic reed switch 4 is influenced by the magnetic element in the induction floater 2, the end heads at the two ends of the magnetic reed switch 4 start to be closed, and the alarm is powered on. Further, as the water level in the environment is reduced, the induction floater 2 sinks again, the magnetic reed switch 4 is not under the action of the magnetic field of the magnetic element and is in an open power-off state again, and the alarm is powered off and stops giving an alarm.

In this application, the inductive column 1 may be a solid cylinder or a hollow cylinder, and has a receiving space for receiving the reed switch 4. Similarly, the inductive float 2 may be a solid ring or a hollow ring, and has a receiving space for receiving the magnetic element.

In the present embodiment, a support 3 for fixing the induction column 1 is further included, which is designed to ensure the stability of the induction column 1 in water and prevent the induction column 1 from tilting or collapsing under the interference of water.

In this embodiment, the supporting member 3 is connected to the induction column 1 through a screw structure, so that the condensate water level detection switch is convenient to maintain.

In this embodiment, the upper wall of the safety casing 5 is provided with a pressure relief hole 6, so that the actual position of the water line is not affected by the pressure difference between the inside and the outside, and the accuracy of the detection data is ensured.

In this embodiment, the weight increasing member 8 is installed in the bottom of the safety casing 5, so that the condensed water level detection switch can not float upwards when placed at the bottom of the drainage tray, and is easy to place stably.

In this embodiment, the safety housing 5 is a transparent housing, and the wall surface of the safety housing 5 is marked with the water level marking line 9, so that the design is convenient for visual observation, and the installation and maintenance of personnel are easy.

In this embodiment, the safety housing 5 is divided into an upper housing 51 and a lower housing 52, and a fastening structure is arranged between the upper housing 51 and the lower housing 52 and fastened together, so that the installation and maintenance of the condensed water level detection switch are facilitated, and the disassembly and cleaning are also facilitated.

To sum up, the utility model discloses a realize that the relevant circuit of automated control switches on or cuts off the power supply to reach the effect of effective control liquid level height, brought a compact structure, safe and reliable, easily place, the installation is maintained conveniently for people, can switch on or cut off the water level detection switch of circuit automatically.

Claims

1. A water level detecting switch, comprising: the device comprises an induction column (1), an induction floater (2) and a safety shell (5), wherein a water inlet hole (7) is formed in the side wall of the bottom of the safety shell (5); the induction column (1) is vertically arranged in the safety shell (5), and the upper end and the lower end of the induction column are connected with the inner wall of the safety shell (5); a magnetic reed switch (4) is embedded in the induction column (1), the magnetic reed switch (4) outputs an electric signal for detection outwards through a lead, the induction float (2) is of an annular structure and is sleeved on the induction column (1), and a magnetic element is arranged in the induction float (2); the distance between the magnetic reed switch (4) and the bottom surface of the safety shell exceeds the magnetic distance of the magnetic element.

2. The water level detecting switch according to claim 1, wherein the reed switch (4) is initially separated at both ends to form an open circuit state; when the induction floater (2) floats to the designated position, the magnetic reed switch (4) is in the magnetic range of the induction floater, and the end heads of the two ends of the magnetic reed switch (4) are in contact with each other to form a circuit access state.

3. The water level detecting switch according to claim 1, further comprising a support member (3) for fixing the sensing post.

4. The water level detecting switch according to claim 3, wherein the supporting member (3) is connected to the induction column (1) by a screw structure.

5. The water level detecting switch according to claim 1, wherein the safety housing (5) is provided with a pressure relief hole (6) on the upper wall.

6. The water level detecting switch according to claim 1, wherein a weight increasing member (8) is installed in the bottom of the safety housing (5).

7. The water level detecting switch according to claim 1, wherein the safety housing (5) is a transparent housing, and a water level mark line (9) is carved on a wall surface of the safety housing (5).

8. The water level detecting switch according to claim 1, wherein the safety housing (5) is divided into an upper housing (51) and a lower housing (52), and a snap structure is provided between the upper housing (51) and the lower housing (52) and is fastened together.