CN201935743U

CN201935743U - Side-mounted temperature and water level sensor for solar water heater

Info

Publication number: CN201935743U
Application number: CN2010206382577U
Authority: CN
Inventors: 谷成荣
Original assignee: Ningbo New-Morning Green Lighting Technology Co Ltd
Current assignee: Ningbo New-Morning Green Lighting Technology Co Ltd
Priority date: 2010-11-24
Filing date: 2010-11-24
Publication date: 2011-08-17
Anticipated expiration: 2020-11-24

Abstract

The utility model discloses a side-mounted temperature and water level sensor for a solar water heater, which comprises a pedestal, a pedestal cover and a circuit board positioned inside the pedestal; a sensor outgoing line is guided out of the upper end surface of the circuit board; a pipe packaged with a temperature-measuring resistor and a plurality of probes with different lengths are guided out of the lower end surface of the circuit board; the lower ends of the pipe and the probe extend out of the pedestal; the inner part of the pedestal is a closed chamber; and the side-mounted temperature and water level sensor for a solar water heater is characterized in that the pipe and the probe extending out of the pipe are transversely bent by 90 degrees. When in use, the sensor is inserted from the side of a water tank so that the bent parts of the pipe and the probe are capable of downwards measuring the temperature and the water level. The side-mounted sensor is relatively simpler for installation and maintenance, and is capable of effectively preventing rainwater from permeating into the water tank and the sensor; the water tank is not easy to scale inside, and simultaneously the service life of the sensor is also prolonged.

Description

A kind of side-mounted solar water actuator temperature, level sensor

Technical field

The utility model relates to a kind of temperature level sensor, specifically is a kind of side-mounted solar water actuator temperature, level sensor.

Background technology

The solar water appliance has cleanliness without any pollution, advantage such as energy-conservation, has obtained using widely in daily life, also is widely used in the public sphere simultaneously, has produced good economic and social benefit.Need serviceability temperature, level sensor in the solar water heater use, detect temperature and water level in the water tank at any time.Temperature of the prior art, water level detecting, a kind of is to adopt two sensors to detect respectively, and this makes whole parts increase, and cost increases; Another kind is to adopt the sensor that integrates temperature, water level to detect, and has reduced whole parts, makes device more compact.But this class set temperature and water level detecting generally are to install from the bottom of water tank in the sensor of one, difficulty so not only is installed, is not easy to maintenance maintenance, and easy scaling in the water tank, reduce the accuracy of sensor, shorten the serviceable life of sensor.At this shortcoming, people have invented solar water actuator temperature, the level sensor of overhead type, efficiently solve the deficiency of existing sensor, but adopt overhead type higher to the requirement of shelter of rainwater, easily cause rainwater to penetrate into sensor and water tank inside if the water proof ring at sensor top is installed incorrectly, therefore remain the overhead type sensor is further improved.

The utility model content

Technical problem to be solved in the utility model is at prior art, and a kind of side-mounted solar water actuator temperature, the level sensor better, easy for installation to the rainwater protection effect are provided.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: comprise pedestal, base seat lid and be positioned at the circuit board of base interior, the sensor extension line is drawn in described circuit board upper surface, the circuit board lower surface is drawn one and is packaged with the pipe of temperature detecting resistance and the probe that Duo Gen length has nothing in common with each other, described pipe and probe lower end extend outside the pedestal, described base interior is an airtight cavity, it is characterized in that: extend pedestal outer pipe and probe transverse fold 90 degree.During use, this sensor inserts from the water tank side, the dogleg section of pipe and probe just 90 degree vertically downward, easy for installation simple and can prevent effectively that rainwater from infiltrating water tank.

Further, described pipe and probe are coated and fixed by base extension portion near the peripheral surface at place, pedestal lower surface, the pipe at the peripheral surface of base extension portion and close base extension portion place and the peripheral surface of probe are coated by the pyrocondensation insulating sleeve simultaneously, and described pyrocondensation insulating sleeve outside is coated with the silica gel sleeve pipe.Such design makes pipe and each probe have only the lower end to contact with water in the water tank, avoids water vapor attached to making level measuring mistake occur on the probe, simultaneously, has also improved the ability that the sensor fire resistant water resistant is separated.

For guaranteeing the sealing of base interior, be with the O RunddichtringO on described pipe and the probe, described O RunddichtringO is positioned at base interior, other has pressing plate and screw that the O RunddichtringO is pressed abd fixed on the pedestal, described O RunddichtringO place and circuit board top pour into fluid sealant, make pedestal form described airtight cavity.By pouring into fluid sealant, make sensor that better seal be arranged, stop rainwater and steam to enter sensor internal.

As the preferred version of such scheme, form trough on the described base seat lid, described sensor extension line leads to outside the pedestal from this trough.Can prevent further that like this rainwater from drenching into sensor internal.

Can adopt many probes to measure a plurality of different water levels of water tank, preferably, described number of probes is four, and the length of described pipe is longer than the length of any probe.Like this, pipe uses as public pole, cooperates with four probes and jointly four different water levels in the water tank is measured.In addition, because tube interior is packaged with temperature detecting resistance, like this, pipe has also been taken into account the function of thermometric simultaneously, makes sensor construction more compact, has saved manufacturing cost.

Further, described pedestal and base seat lid adopt plastics or other insulating material, can make sensor comparatively light and use safer like this; Described pipe and probe adopt stainless steel or other metal materials, do not get rusty to guarantee long-term the contact also with water, and one side prolongs sensor serviceable life, and also avoiding on the other hand gets rusty influences water quality.

Compared with prior art, the utility model advantage is: by extending pedestal outer pipe and probe transverse fold 90 degree, need only during use sensor is inserted from the water tank side, install, safeguard easily simple, and can prevent effectively that rainwater from infiltrating water tank and sensor, be not easy scaling in the water tank, also prolong the serviceable life of sensor simultaneously.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model embodiment;

Fig. 2 is the side view of Fig. 1;

Fig. 3 is the cut-open view of Fig. 2;

Fig. 4 is the local enlarged diagram at A place among Fig. 3.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figures 1 to 4, this side-mounted solar water actuator temperature, level sensor mainly comprise pedestal 1, base seat lid 2, circuit board 3, and sensor extension line 4 is formed with the pipe 6 that is packaged with temperature detecting resistance 5 and four

probe

14,15,16,17 critical pieces such as grade.Wherein, pedestal 1 is cylindric, be made of plastics, base seat lid 2 is installed in pedestal 1 top, pedestal 1 internal fixation has circuit board 3, the upper surface of circuit board 3 leads to sensor extension line 4, and sensor extension line 4 is drawn outside the pedestal 1 trough on base seat lid 2 again, can prevent that like this rainwater from drenching into sensor internal.Pipe 6 and

probe

14,15,16,17 are made by stainless steel, and its upper end is welded on the lower surface of circuit board 3, and lower ends downward extends to outside the pedestal 1, and extend pedestal 1 outer pipe 6 and

probe

14,15,16,17 transverse folds 90 degree; Pipe 6 inside are packaged with temperature detecting resistance 5,

probe

14,15,16,17 length has nothing in common with each other, and the length of pipe 6 is longer than the length of any probe in four probes, so pipe 6 also uses as the water level public pole, select the longest probe as the water level public pole than existing in detected temperatures, design can make sensor construction more compact like this, has saved manufacturing cost.When using this sensor, sensor is inserted water tank from the water tank side, then the dogleg section of pipe 6 and

probe

14,15,16,17 just vertically downward with water tank in surface level perpendicular.The longest probe 14 of length is used to detect first water level as the first water level test lead, and the probe 15 of the length of taking second place is as the second water level test lead, be used to detect second water level, by that analogy, the shortest probe 17 is used to detect peak level as the 4th water level test lead.When water level arrives diverse location, different water level test leads can be connected with the water level public pole, test circuit just can utilize this principle to carry out the judgement of 1～4 lattice (4 lattice are full for water tank water) water level.It is more simple easy that this side-mounted sensor is installed, safeguarded with respect to the sensor of overhead type, and can prevent effectively that rainwater from infiltrating water tank and sensor, be not easy scaling in the water tank, also prolong simultaneously the serviceable life of sensor, and compare with the overhead type sensor, manufacturing cost can not increase yet, and production technology is simple, is fit to volume production.

For preventing that the water vapor that condenses on the water level test lead from make a mistake the water level of detection, except temperature detecting resistance 5, pipe 6 and

probe

14,15,16, outside 17, the remaining part of sensor is made by insulating material, is preferably plastics, simultaneously each test lead has also been done the processing of following details: pipe 6 and

probe

14,15,16,17 peripheral surface near place, described pedestal 1 lower surface are coated and fixed by base extension portion 7, pipe 6 and

probe

14,15,16,17 the other end exposes and is used to survey water level, the pipe 6 and the probe 14 at the peripheral surface of base extension portion 7 and close base extension portion 7 places, 15,16,17 peripheral surface is coated by pyrocondensation insulating sleeve 8 simultaneously, for preventing hydrolysis under pyrocondensation insulating sleeve 8 high temperature, coat one deck silica gel sleeve pipe 9 again in pyrocondensation insulating sleeve 8 outsides.

For guaranteeing the sealing property of sensor base 1 inside, pipe 6 and

probe

14,15,16, be with O RunddichtringO 10 on 17, it is from pipe 6 and probe 14,15,16, be inserted in 17 upper end, and 10 places pour into fluid sealant at the O RunddichtringO, with pressing plate 11 and screw 12 it is pressed abd fixed on the pedestal 1 then, on circuit board 3, pour into fluid sealant at last, thereby at the airtight cavity of pedestal 1 inner formation.By pouring into fluid sealant, make sensor that better seal be arranged, stop rainwater and steam to enter sensor internal, the circuit part of protection sensor is not subjected to the influence of water or other materials, prolongs the serviceable life of sensor.

Content of the present utility model is not limited to the foregoing description, and those skilled in the art all drop within the protection domain of the present utility model its distortion of doing according to general knowledge.

Claims

1. a side-mounted solar water actuator temperature, level sensor, comprise pedestal (1), base seat lid (2) and be positioned at the inner circuit board (3) of pedestal (1), sensor extension line (4) is drawn in described circuit board (3) upper surface, the pipe (6) and the many probes that length has nothing in common with each other that are packaged with temperature detecting resistance (5) are drawn in circuit board (3) lower surface, described pipe (6) and probe lower end extend outside the pedestal (1), described pedestal (1) inside is an airtight cavity, it is characterized in that: extend outer pipe (6) of pedestal (1) and probe transverse fold 90 degree.

2. side-mounted solar water actuator temperature according to claim 1, level sensor, it is characterized in that: described pipe (6) and probe are coated and fixed by base extension portion (7) near the peripheral surface at place, pedestal (1) lower surface, the pipe (6) that the peripheral surface of base extension portion (7) and close base extension portion (7) locate and the peripheral surface of probe are coated by pyrocondensation insulating sleeve (8) simultaneously, and described pyrocondensation insulating sleeve (8) outside is coated with silica gel sleeve pipe (9).

3. side-mounted solar water actuator temperature according to claim 2, level sensor, it is characterized in that: be with O RunddichtringO (10) on described pipe (6) and the probe, described O RunddichtringO (10) is positioned at pedestal (1) inside, other has pressing plate (11) and screw (12) that O RunddichtringO (10) is pressed abd fixed on the pedestal (1), described O RunddichtringO (10) is located and is poured into fluid sealant above the circuit board (3), makes pedestal (1) form described airtight cavity.

4. according to the described side-mounted solar water actuator temperature of any one claim of claim 1 to 3, level sensor, it is characterized in that: form trough (13) on the described base seat lid (2), described sensor extension line (4) is outside this trough leads to pedestal (1).

5. side-mounted solar water actuator temperature according to claim 4, level sensor is characterized in that: described number of probes is four, the length that the length of described pipe (6) is longer than any probe.

6. side-mounted solar water actuator temperature according to claim 1, level sensor is characterized in that: described pedestal (1) and base seat lid (2) adopt plastics, and described pipe (6) and probe adopt stainless steel.