CN203325800U - Water-cooled engine dry and over temperature automatic sensor switch and alarm flameout protector of water-cooled engine of water-cooled engine dry and over temperature automatic sensor - Google Patents
Water-cooled engine dry and over temperature automatic sensor switch and alarm flameout protector of water-cooled engine of water-cooled engine dry and over temperature automatic sensor Download PDFInfo
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- CN203325800U CN203325800U CN2013204501823U CN201320450182U CN203325800U CN 203325800 U CN203325800 U CN 203325800U CN 2013204501823 U CN2013204501823 U CN 2013204501823U CN 201320450182 U CN201320450182 U CN 201320450182U CN 203325800 U CN203325800 U CN 203325800U
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- sensor switch
- automated sensor
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Abstract
Provided is a water-cooled engine dry and over temperature automatic sensor switch which comprises: a shell which is provided with a cavity chamber accommodating expanding gases; a pad which is used for sealing the cavity chamber; a force transmission unit which extends from the internal part of the shell to the central part of the pad; and a circuit board which is provided with a first connecting terminal, a second connecting terminal and a third connecting terminal, wherein the third connecting terminal is fixed with a pressure sensing element which can reset automatically. A pressure sensing unit is arranged above the force transmission unit. The pressure sensing unit is pressed by the force transmission unit so that the second connecting terminal and the third connecting terminal, and the first connecting terminal and the third connecting terminal are switched on in turn. According to the water-cooled engine dry and over temperature automatic sensor switch, heat of an engine is utilized to control the temperature of the engine. That is to say, the principle that the gas pressure increases as the temperature raises is adopted to perform periodical temperature monitoring on the water-cooled engine. The water-cooled engine dry and over temperature automatic sensor switch is simple in structural principle and precise in monitoring so that faults of the water-cooled engine caused by being dry and over-temperature are greatly reduced.
Description
Technical field
The utility model relates to a kind of sensing switch, more specifically refers to a kind of water-cooled engine lack of water overtemperature automated sensor switch and warning break off preventor thereof.
Background technology
Water-cooled engine is the anti-icing fluid that is main component with water or the water of usining the engine as the coolant of coolant.Water-cooled engine casts out the passage of some coolants that can circulate at the inwall of its lid and cylinder cap, and is provided with special-purpose radiator outside engine body.The cylinder body of water-cooled engine and cylinder cap good rigidity, vibrate littlely, and noise is little, therefore by modern most automobiles, adopted.
In order to prevent that the water-cooled engine cooling water temperature is too high, cooling water constantly evaporates lack of water, thereby the generation of initiation engine failure need to be monitored the temperature of water-cooled engine cooling water usually.At present, the monitoring of water-cooled engine cooling water temperature normally adopts temperature sensor to detect water temperature signal, and then water temperature signal shows that in instrument converting digital information to checks for the user.Yet, if water temperature signal is inaccurate or there is obstacle in the signal transmission, the monitoring of water temperature is inaccurate, thereby causes the generation of water-cooled engine fault, even makes the water-cooled engine system unit scrap.In addition, existing temperature sensor can only detect water temperature signal, for whether can only being judged by observing instrument by the user of lack of water overtemperature, the then impossible supervisory instrument constantly of user, especially driver, therefore water-cooled engine happens occasionally because of the fault that the lack of water overtemperature causes.Therefore, provide a kind of water-cooled engine lack of water overtemperature full-automatic alarm break off preventor to be necessary.
The utility model content
The utility model provides a kind of water-cooled engine lack of water overtemperature automated sensor switch and warning break off preventor thereof, with the monitoring that solves existing water-cooled engine temperature, has above-mentioned shortcoming.
The utility model adopts following technical scheme:
A kind of water-cooled engine lack of water overtemperature automated sensor switch, this automated sensor switch comprises: shell has the chamber that holds expanding gas; Pad, seal described chamber; The power transfer unit, extend to described pad central portion direction from enclosure; And circuit board, it is equipped with the first terminals, the second terminals and the 3rd terminals, fix an automatically reset pressure element on described the 3rd terminals, the top of power transfer unit is located in described pressure-sensitive unit, and the stressed transfer unit compressing in this pressure-sensitive unit is connected described the second terminals and the 3rd terminals, the first terminals and the 3rd terminals in turn.
Particularly, described shell bottom offers a step trough, and the described chamber that holds expanding gas is formed at this step trough bottom, and described pad is positioned on the ladder table top of step trough.
Further, described power transfer unit is a thimble, be provided with the plastics body on the described step trough of covering top in described shell, described plastics body bottom and described pad have spacing, a through hole passed for described thimble is offered at this plastics body middle part, and this through-hole aperture is slightly larger than the external diameter of thimble.
Further, described pressure-sensitive unit is one to have the elastic sheet metal of conductivity, described sheet metal becomes the T font, T font sheet metal comprises the second bonding jumper that the first bonding jumper be fixed on described the 3rd terminals and first bonding jumper of take are symmetry axis, the extended line of described thimble is vertical or be approximately perpendicular to the second bonding jumper, the second symmetrical two ends of bonding jumper are respectively equipped with the first projection and the second projection be positioned under the first terminals and the second terminals, and described the second projection and the distance of the second terminals are less than the distance of the first projection and the first terminals.
As a kind of preferred embodiment of the utility model, described the second bonding jumper is horizontally disposed with, and the height of the first projection is less than the height of the second projection.
Further, described the first projection and the second projection are conductive bumps.
Further, the termination that described thimble acts on the pressure-sensitive unit is provided with an expansion section.
Further, described shell upper end open, described circuit board is sealed in described shell upper end open place by inorganic adhesive, and described shell bottom lateral wall is provided with external screw thread.
Further, the described chamber of described gasket seal is simultaneously the high arc-shaped curved surfaces in middle low both sides.
The warning break off preventor of application water-cooled engine lack of water overtemperature automated sensor; comprise automated sensor switch, power circuit, radiator, control circuit and buzzer; described control circuit is connected with buzzer and water-cooled engine; the first terminals of described automated sensor switch connect described control circuit; the second terminals connect radiator, and the 3rd terminals connect power circuit.
From the above-mentioned description to the utility model structure, compared to the prior art, the utlity model has following advantage:
1, the heat energy distributed due to engine raises cooling water temperature, once the lack of water phenomenon occurs, lid and inboard wall of cylinder cover air pressure that cooling water is housed raise, when temperature surpasses safety value and in extreme value, when gases are heated, they expand for automated sensor switch housing chamber interior of the present utility model, to on pad, push up, upwards effect of motive force transfer unit simultaneously, in this temperature range, under the stressed transfer unit compressing in pressure-sensitive unit, can only make the second terminals and the 3rd terminals connect, start radiator; And once temperature surpasses extreme value, in chamber, gas continues to expand, make pad motive force transfer unit, and the lower continuation effect of stressed transfer unit compressing of pressure-sensitive unit is connected the first terminals and the 3rd terminals, starting control circuit is reported to the police, and force within a certain period of time engine stop work, after temperature drops to the safe range value, pressure-sensitive unit, power transfer unit, pad automatically reset, the second terminals and the 3rd terminals, the first terminals and the 3rd terminals all disconnect, and pad keeps gas in chamber cavity seal.
2, the utility model utilizes the temperature of the heat control engine of engine; the principle that adopts temperature rising gas pressure intensity to increase is carried out interim monitoring temperature to water-cooled engine; when the extreme value of temperature over water-cooled engine; make water-cooled engine out of service; this alarming protector structural principle is simple; monitoring accurately, greatly reduces the generation of water-cooled engine because of the fault of lack of water overtemperature initiation.
The accompanying drawing explanation
The block diagram that Fig. 1 is the utility model warning break off preventor;
The cutaway view that Fig. 2 is the utility model automated sensor switch;
The upward view that Fig. 3 is the utility model circuit board and sheet metal;
Fig. 4 is the cutaway view that the utility model automated sensor switch the second terminals and the 3rd terminals are connected;
Fig. 5 is the cutaway view that the utility model automated sensor switch the second terminals and the 3rd terminals are connected.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.For complete understanding the utility model, many details are described below, but to those skilled in the art, without these details, also can realize the utility model.For known circuit, assembly and method, process, below be not described in detail.
A kind of water-cooled engine lack of water overtemperature full-automatic alarm break off preventor; with reference to Fig. 1; comprise automated sensor switch 10, power circuit 20, radiator 30, control circuit 40 and buzzer 50; control circuit 40 is connected with buzzer 50 and water-cooled engine 60; in conjunction with Fig. 2 and Fig. 3; automated sensor switch 10 comprises shell 1, pad 2, power transfer unit and circuit board 4, and the present embodiment is usingd thimble 3 as the power transfer unit.Circuit board 4 is equipped with the first terminals 41, the second terminals 42 and the 3rd terminals 43, and wherein, the first terminals 41 connect control circuit 40, the second terminals 42 and connect radiator 30, the three terminals 43 connection power circuits 20.
With reference to Fig. 2, the lower end of shell 1 inside offers a step trough 11, and the chamber 12 that holds expanding gas is formed at these step trough 11 bottoms, and pad 2 is positioned on the ladder table top of step trough 11.In order to make pad 2 can accurately make thimble 3 push up vertically under the gas expansion effect, the high arc-shaped curved surface in low both sides in the middle of pad 2 sealed chamber's 12 one sides are set to.Step trough 11 upper caps are established a plastics body 13, and plastics body 13 bottoms and pad 2 have spacing, and a through hole 130 is offered at these plastics body 13 middle parts, and thimble 3 is arranged in through hole 130, and these through hole 130 apertures are slightly larger than the external diameter of thimble 3.For preventing that plastics body 13 is inflated on gas, push up, its both sides, upper surface are fixing by a plastic ring 14.
With reference to Fig. 2 and Fig. 3, fix an automatically reset pressure element on the 3rd terminals 43, the pressure-sensitive unit of the present embodiment adopts an elastic sheet metal 5 with conductivity, and sensing unit can also have conductivity and reducible thin slice for other certainly.5 one-tenth T fonts of sheet metal, T font sheet metal 5 comprises and is fixed in the second bonding jumper 52 that the first bonding jumper 51 on described the 3rd terminals 43 and first bonding jumper 51 of take are symmetry axis, the extended line of thimble 3 is vertical or be approximately perpendicular to the second bonding jumper 52, the second symmetrical two ends of bonding jumper 52 are respectively equipped with the distance that the distance that is positioned at the projection of first under the first terminals 41 and the second terminals 42 521 and second projection 522, the second projection the 522 and second terminals 42 is less than first protruding the 521 and first terminals 41.In the present embodiment, the second bonding jumper 52 is horizontally disposed with, and first projection the 521 and second projection 522 all has conductivity, and the height of the first projection 521 is less than the height of the second projection 522, first projection the 521 and second preferential platinum contact that adopts of projection 522.
Continuation is with reference to Fig. 2, and in order to make to push up the effective jack-up sheet metal 5 of 3 pin, thimble 3 acts on sheet metal 5 terminations and is provided with an expansion section 31.In addition, shell 1 upper end open, circuit board 4 is sealed in described shell 1 upper end open place by inorganic adhesive, and shell 1 bottom lateral wall is provided with external screw thread 15 to facilitate the installation of automated sensor switch 10.
Once water-cooled engine generation lack of water overheating problem, lid and inboard wall of cylinder cover air pressure that cooling water is housed raise, with reference to Fig. 1 and in conjunction with Fig. 4, when temperature surpasses safety value and in extreme value, when gases are heated, they expand in automated sensor switch of the present utility model 10 shell 1 chamber 12 inside, and by top on pad 2, pad 2 promotes upwards effect of thimble 3, the second projection 522 on thimble 3 compressing sheet metals 5 touches the second terminals 42 connects itself and the 3rd terminals, start radiator 30, in this temperature range, under compressing on sheet metal 5, can only make the second terminals 42 and the 3rd terminals 43 connect.
With reference to Fig. 1 and Fig. 5, once temperature surpasses extreme value, the interior gas of chamber 12 continues to expand, make pad 2 promote thimble 3, and sheet metal 5 is subject to the lower continuation effect of thimble 3 compressings that the first terminals 41 and the 3rd terminals 43 are connected, start control circuit 40, control circuit 40 was opened before this buzzer 50 and was reported to the police, and force within a certain period of time water-cooled engine 60 to quit work, after temperature drops to the safe range value, sheet metal 5, thimble 3, pad 2 automatically resets, the second terminals 42 and the 3rd terminals 43, the first terminals 41 and the 3rd terminals 43 all disconnect, pad 2 keeps the interior gas of chamber 12 chamber 12 sealings.
The voltage of the applicable power circuit of the utility model automated sensor switching circuit board 4 has 12V, 24V, 36V, 48V etc., according to different circuit board 4, selects different voltage.
Above are only embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection range.
Claims (10)
1. a water-cooled engine lack of water overtemperature automated sensor switch, is characterized in that, this automated sensor switch comprises: shell has the chamber that holds expanding gas; Pad, seal described chamber; The power transfer unit, extend to described pad central portion direction from enclosure; And circuit board, it is equipped with the first terminals, the second terminals and the 3rd terminals, fix an automatically reset pressure element on described the 3rd terminals, the top of power transfer unit is located in described pressure-sensitive unit, and the stressed transfer unit compressing in this pressure-sensitive unit is connected described the second terminals and the 3rd terminals, the first terminals and the 3rd terminals in turn.
2. a kind of water-cooled engine lack of water overtemperature automated sensor switch as claimed in claim 1, it is characterized in that: described shell bottom offers a step trough, the described chamber that holds expanding gas is formed at this step trough bottom, and described pad is positioned on the ladder table top of step trough.
3. a kind of water-cooled engine lack of water overtemperature automated sensor switch as claimed in claim 2, it is characterized in that: described power transfer unit is a thimble, be provided with the plastics body on the described step trough of covering top in described shell, described plastics body bottom and described pad have spacing, a through hole passed for described thimble is offered at this plastics body middle part, and this through-hole aperture is slightly larger than the external diameter of thimble.
4. a kind of water-cooled engine lack of water overtemperature automated sensor switch as claimed in claim 3, it is characterized in that: described pressure-sensitive unit is one to have the elastic sheet metal of conductivity, described sheet metal becomes the T font, T font sheet metal comprises the second bonding jumper that the first bonding jumper be fixed on described the 3rd terminals and first bonding jumper of take are symmetry axis, the extended line of described thimble is vertical or be approximately perpendicular to the second bonding jumper, the second symmetrical two ends of bonding jumper are respectively equipped with the first projection and the second projection be positioned under the first terminals and the second terminals, the distance of described the second projection and the second terminals is less than the distance of the first projection and the first terminals.
5. a kind of water-cooled engine lack of water overtemperature automated sensor switch as claimed in claim 4, it is characterized in that: described the second bonding jumper is horizontally disposed with, and the height of the first projection is less than the height of the second projection.
6. a kind of water-cooled engine lack of water overtemperature automated sensor switch as described as claim 4 or 5 is characterized in that: described the first projection and the second projection are conductive bumps.
7. described a kind of water-cooled engine lack of water overtemperature automated sensor switch as arbitrary as claim 3-5, it is characterized in that: the termination that described thimble acts on the pressure-sensitive unit is provided with an expansion section.
8. a kind of water-cooled engine lack of water overtemperature automated sensor switch as claimed in claim 1, it is characterized in that: described shell upper end open, described circuit board is sealed in described shell upper end open place by inorganic adhesive, and described shell bottom lateral wall is provided with external screw thread.
9. as claim 1,2,3,4,5 or 8 described a kind of water-cooled engine lack of water overtemperature automated sensor switches, it is characterized in that: the described chamber of described gasket seal is simultaneously the high arc-shaped curved surface in middle low both sides.
10. apply the warning break off preventor of water-cooled engine lack of water overtemperature automated sensor; it is characterized in that: comprise automated sensor switch, power circuit, radiator, control circuit and buzzer; described control circuit is connected with buzzer and water-cooled engine; the first terminals of described automated sensor switch connect described control circuit; the second terminals connect radiator, and the 3rd terminals connect power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204501823U CN203325800U (en) | 2013-07-26 | 2013-07-26 | Water-cooled engine dry and over temperature automatic sensor switch and alarm flameout protector of water-cooled engine of water-cooled engine dry and over temperature automatic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204501823U CN203325800U (en) | 2013-07-26 | 2013-07-26 | Water-cooled engine dry and over temperature automatic sensor switch and alarm flameout protector of water-cooled engine of water-cooled engine dry and over temperature automatic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203325800U true CN203325800U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204501823U Expired - Lifetime CN203325800U (en) | 2013-07-26 | 2013-07-26 | Water-cooled engine dry and over temperature automatic sensor switch and alarm flameout protector of water-cooled engine of water-cooled engine dry and over temperature automatic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203325800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346040A (en) * | 2013-07-26 | 2013-10-09 | 洪胜利 | Automatic sensor switch for water shortage and excess temperature of water cooled engine, and alarm flameout protector |
-
2013
- 2013-07-26 CN CN2013204501823U patent/CN203325800U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346040A (en) * | 2013-07-26 | 2013-10-09 | 洪胜利 | Automatic sensor switch for water shortage and excess temperature of water cooled engine, and alarm flameout protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |