CN203858011U - Liquid level sensor with PTC heating body - Google Patents
Liquid level sensor with PTC heating body Download PDFInfo
- Publication number
- CN203858011U CN203858011U CN201420214103.3U CN201420214103U CN203858011U CN 203858011 U CN203858011 U CN 203858011U CN 201420214103 U CN201420214103 U CN 201420214103U CN 203858011 U CN203858011 U CN 203858011U
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- CN
- China
- Prior art keywords
- aforementioned
- ptc calandria
- ptc
- pipette
- level sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000010438 heat treatment Methods 0.000 title abstract description 26
- 239000012530 fluid Substances 0.000 claims description 16
- 238000005213 imbibition Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a liquid level sensor with a PTC heating body. The liquid level sensor with the PTC heating body comprises a fixed seat, an electronic control panel, the PTC heating body used for stretching into a liquid carrying tank to heat liquid inside, a liquid suction tube used for stretching into the liquid carrying tank and an electronic tube. The fixed seat is provided with a liquid outlet which is communicated with the liquid suction tube, the electronic control panel is mounted on the fixed seat, and the PTC heating body is connected to the electronic control panel through wires. Thus, the PTC heating body is applied to the liquid level sensor to form the liquid level sensor with a new heating function and mode, the PTC heating body is applied inside or outside the liquid suction tube of the liquid level sensor in a matched mode, and the PTC heating body has the advantage that heating power is high, heat efficiency is high, the PTC heating body is not prone to being damaged, the service life is long, working is safe and reliable, energy and electricity are saved, temperature is balanced automatically, and the locating mode of the PTC heating body is simple and stable.
Description
Technical field
The utility model relates to sensor field technology, refers in particular to a kind of safe and reliable, liquid level sensor with PTC calandria that the thermal efficiency is high.
Background technology
Be applied to the liquid level sensor of (fuel tank, urea box etc.) in carrier fluid casing; for example; liquid level sensor, it can add conventionally for the heating arrangement to liquid heats in carrier fluid casing, to tackle the situation that its liquid freezes under the low especially environment of temperature.
Also having by heater wire or resistance wire is that carrier heats, but because of material behavior, and its heating conduction is slow, the thermal efficiency is low, and in heating process, institute's consuming electric power is many, meanwhile, its existence can not be temperature automatically controlled etc. shortcoming, cannot meet application end user's request.
Therefore, be necessary to work out a kind of novel liquid level sensor with heating function, be applicable to better the needs of liquid in carrier fluid casing.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its fundamental purpose is to provide a kind of liquid level sensor with PTC calandria, and its temperature control is simple, safe and reliable, the thermal efficiency is high and energy saving.
For achieving the above object, the utility model adopts following technical scheme:
A kind of liquid level sensor with PTC calandria, include holder, electronic control panel, for stretching into the PTC calandria that in carrier fluid case, its liquid heated, for stretching into pipette and the electron tube in carrier fluid casing, wherein, on this holder, be provided with liquid outlet, this liquid outlet communicates with aforementioned pipette, this electronic control panel is installed on holder, and this PTC calandria is connected on electronic control panel by wire.
As a kind of preferred version, described PTC calandria is installed in pipette.
As a kind of preferred version, described pipette internal face convexes with positioning convex, and described PTC calandria outer cover is provided with housing, and this PTC calandria is installed in housing, on this housing, is provided with cavity, and aforementioned positioning convex is butted in cavity.
As a kind of preferred version, described PTC calandria is installed on outside pipette, and this PTC calandria is near the porch of pipette.
As a kind of preferred version, be further provided with heat pipe and pipette adapter; Wherein, this heat pipe comprises that imbibition cavity and the one with both ends open are connected in the PTC installation cavity outside imbibition cavity wall, and aforementioned PTC calandria is installed on this PTC and installs in cavity; Aforementioned pipette adapter is connected in an end opening of pipette entrance and imbibition cavity, and the other end opening of imbibition cavity is directly communicated in aforementioned carrier fluid casing.
As a kind of preferred version, for the wire of aforementioned PTC calandria, be provided with line card, aforementioned wire is regular in line card.
As a kind of preferred version, described pipette is arranged with sleeve pipe outward, and aforementioned PTC calandria is also positioned at sleeve pipe; On described sleeve pipe madial wall, be provided with for locating the inside groove of aforementioned wire, aforementioned wire is embedded in this inside groove after pipette is stretched out;
Described sleeve pipe lower ending opening place is connected with filtration unit, and this filtration unit includes socket part connected to one another and filter screen, and this socket part is socketed on aforementioned sleeve pipe lower end;
This sleeve pipe upper end is installed on aforementioned holder, on this sleeve pipe upper end outer wall, is provided with the first buckle protuberance, correspondingly, is provided with the first button hole on aforementioned holder, and this first buckle protuberance snaps in the first button hole; On the outer wall of described sleeve pipe lower end, be provided with the second buckle protuberance, correspondingly, be provided with the second button hole on aforementioned socket part, this second buckle protuberance snaps in the second button hole.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
One, by PTC calandria being applied on liquid level sensor to form the liquid level sensor of a kind of Novel heating function and mode, portion is near its porch in or beyond the pipette of liquid level sensor for this PTC calandria fit applications, and this PTC calandria has that heating power is large, the thermal efficiency is high, energy saving, automatic constant-temperature, not fragile, long service life, the advantage such as safe and reliable.
Two, the locator meams of this PTC calandria in pipette is simply ingenious, by forming positioning convex in pipette internal face, this positioning convex presses in the cavity of PTC calandria external shell, so, realized quickly and easily the location to PTC, and its location is firm.
Three, by PTC calandria is arranged to the mode of the pipette outside of liquid level sensor with the form of assembly, its heat pipe has the imbibition cavity being connected with liquid sucting port and for the PTC of PTC calandria is installed, cavity is installed, utilize heat pipe to there is the structural design of heat conductivility and aforementioned uniqueness well, realized simply the installation of PTC calandria has been fixed, simultaneously, also the heat that makes PTC calandria produce conducts well by heat pipe, to realize the effect fast liquid being heated.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of the first embodiment of the utility model;
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of the first embodiment of the utility model;
Fig. 4 is the structure for amplifying schematic diagram at B place in Fig. 3;
Fig. 5 is the structure for amplifying schematic diagram at C place in Fig. 3;
Fig. 6 is the package assembly schematic diagram of the second embodiment of the utility model;
Fig. 7 is the decomposition texture schematic diagram of the second embodiment of the utility model;
Fig. 8 is the structure for amplifying schematic diagram at D place in Fig. 6.
Accompanying drawing identifier declaration:
10, holder 11, the first button hole
21, liquid outlet 22, pipette
30, electron tube
41, PTC calandria 42, wire
51, liquid back pipe 52, liquid return hole
60, keg float 71, sleeve pipe
711, the first buckle protuberance 712, the second buckle protuberance
713, inside groove 714, limiting section
72, filtration unit 721, socket part
7211, the second button hole 722, filter screen
91, heat pipe 911, imbibition cavity
912, PTC installs cavity 9121, groove
9122, dividing plate 92, pipette adapter
93, PTC calandria 931, wire
94, rubber line card.
Embodiment
Please refer to shown in Fig. 1 to Fig. 8, it has demonstrated the concrete structure of two kinds of preferred embodiments of the utility model, and this kind of sensor can be applied in the carrier fluid casings such as fuel tank, urea box, its for liquid is heated, detecting real-time liquid level or temperature etc.
The sensor of the utility model includes holder 10, electronic control panel, for stretching into the PTC calandria (following 41 and 93) in carrier fluid case, its liquid being heated, for stretching into pipette 22 and the electron tube 30 in carrier fluid casing, wherein, on this holder 10, be provided with liquid outlet 21, this liquid outlet 21 communicates with aforementioned pipette 22, this electronic control panel is installed on holder 10, this PTC calandria (following 41 and 93) is connected on electronic control panel by wire (following 42 and 931), the information such as heating-up temperature of PTC calandria are also connected to electronic control panel, its information feedback in real time, precisely.
First refer to shown in Fig. 1 to Fig. 5, it has demonstrated the concrete structure of the first embodiment of the utility model, and its PTC calandria 41 arranges in the mode being installed in pipette 22; In the present embodiment, the fixed form of PTC calandria 41 in pipette 22 is fairly simple ingenious, it is by convexing with positioning convex in pipette 22 internal faces, described PTC calandria outer cover is provided with housing, this PTC calandria is installed in housing, on this housing, be provided with cavity, aforementioned positioning convex is butted in cavity.
Especially, it should be noted that, PTC calandria 41 is to adopt semi-conducting material manufacturing to form, and when low temperature, PTC calandria 41 resistances are low, add and determine after voltage, and electric current is larger, and PTC calandria 41 surface temperatures rise; After PTC calandria 41 fully generates heat, resistance increases, and electric current reduces, and PTC calandria 41 temperature decline; After temperature declines, PTC calandria 41 can synchronously self be controlled temperature, makes PTC calandria 41 maintain stationary temperature; We can define corresponding PTC calandria 41 shapes, size according to different pre-heating system structures, so that 41 heat radiations of PTC calandria reach maximum efficiency sooner, efficiently solve and use in the market line with heating function, heating resistance wire heating power low, defect that can not temp auto-controlled.Therefore, the characteristics such as the PTC calandria 41 of the utility model relies on that it has that heating power is large, automatic constant-temperature (it is set with hot face temperature), liquid can damages after dryouting, long service life, reliable operation, have optimized the performance of the pre-heating system of the utility model to a great extent.
As shown in Figure 2, its electron tube 30, liquid back pipe 50, pipette 22 are all positioned at sleeve pipe 71, and three is assembled in together by keg float 60, keg float 60 floats or sinks with the variation of liquid level, embodiment is: on this keg float 60, offer the first stopper slot, the second stopper slot and the 3rd stopper slot, electron tube 30, pipette 22 and liquid back pipe 50 be corresponding embedding in the first stopper slot, the second stopper slot and the 3rd stopper slot respectively; Wherein, liquid return hole and be all installed on aforementioned holder 10 for the liquid back pipe 50 stretching in carrier fluid casing.Whether it should be noted that, time liquid function of aforementioned liquid back pipe 50 is not must possess in all liquid level sensors, therefore, can need and select to design by specific product.
These sleeve pipe 71 upper ends are installed on aforementioned holder 10, and its lower end is formed with opening; Described sleeve pipe 71 lower ending opening places are connected with filtration unit 72, and this filtration unit 72 includes socket part 721 connected to one another and filter screen 722, and this socket part 721 is socketed on aforementioned sleeve pipe 71 lower ends.Shown in Fig. 3 and Fig. 5, on described sleeve pipe 71 upper end outer walls, be provided with the first buckle protuberance 711, correspondingly, on aforementioned holder 10, be provided with the first button hole 11, this first buckle protuberance 711 snaps in the first button hole 11; On described sleeve pipe 71 lower end outer walls, be provided with the second buckle protuberance 712, correspondingly, be provided with the second button hole 7211 on aforementioned socket part 721, this second buckle protuberance 712 snaps in the second button hole 7211; So, during assembling, directly buckle into, its assembling mode is simple and quick.
As can be seen from Figure 3, aforementioned the first buckle protuberance 711, the second buckle protuberance 712 are all provided with two on sleeve pipe 71, and these two the first buckle protuberances 711 or two the second buckle protuberances 712 are positioned at offside each other; Correspondingly, aforementioned the first button hole 11, the second button hole 7211 quantity are also two, and its setting position also has adaptive design.Certainly, its quantity and setting position, not impose any restrictions at this, also can in quantity and the position of other required design.
Shown in Fig. 3 and Fig. 4, the location structure of its wire 42 that has shown aforementioned PTC calandria 41 in sleeve.On these sleeve pipe 71 madial walls, be provided with for locating the inside groove 713 of aforementioned wire 42, aforementioned wire 42 is embedded in this inside groove 713 after pipette 22 is stretched out, and has realized well the location of wire and regular; On described sleeve pipe 71 madial walls, convex with two limiting sections 714, these two limiting sections, 714 space type settings and all consistent with sleeve pipe 71 trends, the L-shaped structure in cross section of each limiting section 714, two limiting sections 714 and respective sleeve 71 madial walls enclose and form C shape inside groove 713.
Aforementioned electronic pipe 30 can be for fluid temperature, liquid level etc. in monitoring carrier fluid casing, normally by temperature sensor, low liquid level detecting switch, be connected on electronic control panel so that corresponding signal is sent to electronic control panel in time, this is not restricted for its concrete structure, therefore do not remake and repeat.
Then, refer to shown in Fig. 6 to Fig. 8, it has demonstrated the concrete structure of the second embodiment of the utility model, its PTC calandria 93 is arranged at pipette 22 outsides with the form of assembly, and this PTC calandria 93 is near the porch of pipette 22, specific design structure is to realize being connected of the installation of PTC calandria 93 and PTC calandria assembly and pipette 22 by being further provided with heat pipe 91 and pipette adapter 92; Herein, preferred aluminium matter heat pipe, aluminium has good heat conductivility, is also easy to moulding and follow-up pressing close-fit assembling etc.
Wherein, this heat pipe 91 comprises that imbibition cavity 911 and the one with both ends open are connected in the PTC installation cavity 912 outside imbibition cavity 911 walls, aforementioned PTC calandria 93 is installed on this PTC and installs in cavity 911, in the present embodiment, according to the flat strip structure of PTC calandria 93, the PTC of its design installs in cavity 912 and is designed with suitable groove 9121, be convenient to the installation of PTC calandria 93, also make PTC calandria 93 cavity 912 walls to be installed with its PTC and have good contact, with the wall that heat is installed to cavity 912 via PTC, conduct near liquid it, imbibition cavity 911, 93 series connection of aforementioned PTC calandria are provided with several, and it is positioned at aforementioned two suitable grooves 9121, between these two grooves 9121 by dividing plate 9122 by spaced, be beneficial to location and installation and the heat conduction of each PTC calandria 93.
This pipette adapter 92 is connected in an end opening of pipette 22 entrances and imbibition cavity 911, and the other end opening of imbibition cavity 911 is directly communicated in aforementioned carrier fluid casing; So, utilize heat pipe 91 to there is the structural design of heat conductivility and aforementioned uniqueness well, realized simply the installation of PTC calandria 93 has been fixed, simultaneously, also make the heat that PTC calandria 93 produces conduct well by heat pipe 91, to realize the effect fast liquid being heated.
In the present embodiment, for the wire of aforementioned PTC calandria 93, be provided with rubber line card 94, utilize line card 94 to realize the location of wire 931 and regular.
Other of the second embodiment show most of structure of description and the structure of aforementioned the first embodiment roughly the same, the principle in line with saving length, does not remake and repeats at this.
Design focal point of the present utility model is, it is mainly by PTC calandria being applied on liquid level sensor to form the liquid level sensor of a kind of Novel heating function and mode, portion is near its porch in or beyond the pipette of liquid level sensor for this PTC calandria fit applications, and this PTC calandria has that heating power is large, the thermal efficiency is high, energy saving, automatic constant-temperature, not fragile, long service life, the advantage such as safe and reliable;
Next is that the locator meams of this PTC calandria in pipette is simply ingenious, by forming positioning convex in pipette internal face, this positioning convex presses in the cavity of PTC calandria external shell, so, realized quickly and easily the location to PTC, and its location is firm;
And, by PTC calandria is arranged to the mode of the pipette outside of liquid level sensor with the form of assembly, its heat pipe has the imbibition cavity being connected with liquid sucting port and for the PTC of PTC calandria is installed, cavity is installed, utilize heat pipe to there is the structural design of heat conductivility and aforementioned uniqueness well, realized simply the installation of PTC calandria has been fixed, simultaneously, also the heat that makes PTC calandria produce conducts well by heat pipe, to realize the effect fast liquid being heated.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. the liquid level sensor with PTC calandria, it is characterized in that: include holder, electronic control panel, for stretching into the PTC calandria that in carrier fluid case, its liquid heated, for stretching into pipette and the electron tube in carrier fluid casing, wherein, on this holder, be provided with liquid outlet, this liquid outlet communicates with aforementioned pipette, this electronic control panel is installed on holder, and this PTC calandria is connected on electronic control panel by wire.
2. a kind of liquid level sensor with PTC calandria according to claim 1, is characterized in that: described PTC calandria is installed in pipette.
3. a kind of liquid level sensor with PTC calandria according to claim 2, it is characterized in that: described pipette internal face convexes with positioning convex, described PTC calandria outer cover is provided with housing, this PTC calandria is installed in housing, on this housing, be provided with cavity, aforementioned positioning convex is butted in cavity.
4. a kind of liquid level sensor with PTC calandria according to claim 1, it is characterized in that: described PTC calandria is installed on outside pipette, and this PTC calandria is near the porch of pipette.
5. a kind of liquid level sensor with PTC calandria according to claim 4, is characterized in that: be further provided with heat pipe and pipette adapter; Wherein, this heat pipe comprises that imbibition cavity and the one with both ends open are connected in the PTC installation cavity outside imbibition cavity wall, and aforementioned PTC calandria is installed on this PTC and installs in cavity; Aforementioned pipette adapter is connected in an end opening of pipette entrance and imbibition cavity, and the other end opening of imbibition cavity is directly communicated in aforementioned carrier fluid casing.
6. a kind of liquid level sensor with PTC calandria according to claim 1, is characterized in that: the wire for aforementioned PTC calandria is provided with line card, and aforementioned wire is regular in line card.
7. a kind of liquid level sensor with PTC calandria according to claim 1, is characterized in that: described pipette is arranged with sleeve pipe outward, and aforementioned PTC calandria is also positioned at sleeve pipe; On described sleeve pipe madial wall, be provided with for locating the inside groove of aforementioned wire, aforementioned wire is embedded in this inside groove after pipette is stretched out;
Described sleeve pipe lower ending opening place is connected with filtration unit, and this filtration unit includes socket part connected to one another and filter screen, and this socket part is socketed on aforementioned sleeve pipe lower end;
This sleeve pipe upper end is installed on aforementioned holder, on this sleeve pipe upper end outer wall, is provided with the first buckle protuberance, correspondingly, is provided with the first button hole on aforementioned holder, and this first buckle protuberance snaps in the first button hole; On the outer wall of described sleeve pipe lower end, be provided with the second buckle protuberance, correspondingly, be provided with the second button hole on aforementioned socket part, this second buckle protuberance snaps in the second button hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214103.3U CN203858011U (en) | 2014-04-29 | 2014-04-29 | Liquid level sensor with PTC heating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214103.3U CN203858011U (en) | 2014-04-29 | 2014-04-29 | Liquid level sensor with PTC heating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858011U true CN203858011U (en) | 2014-10-01 |
Family
ID=51607857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214103.3U Expired - Lifetime CN203858011U (en) | 2014-04-29 | 2014-04-29 | Liquid level sensor with PTC heating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412046A (en) * | 2020-04-13 | 2020-07-14 | 吴均宇 | Electrical heating formula urea level sensor |
-
2014
- 2014-04-29 CN CN201420214103.3U patent/CN203858011U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412046A (en) * | 2020-04-13 | 2020-07-14 | 吴均宇 | Electrical heating formula urea level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 101, No. 1, East Ring 3rd Street, Jitiagang, Huangjiang Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Zhengyang Sensor Technology Co.,Ltd. Address before: 523000 Dongguan Zhengyang Electronic Machinery Co.,Ltd., Jitigang Second Industrial Zone, Helu Industrial Avenue, Huangjiang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ZHENGYANG ELECTRONIC MECHANICAL Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
|
| CX01 | Expiry of patent term |