CN205223656U - Washing machine level height measurement system - Google Patents
Washing machine level height measurement system Download PDFInfo
- Publication number
- CN205223656U CN205223656U CN201520849253.6U CN201520849253U CN205223656U CN 205223656 U CN205223656 U CN 205223656U CN 201520849253 U CN201520849253 U CN 201520849253U CN 205223656 U CN205223656 U CN 205223656U
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- China
- Prior art keywords
- iron core
- washing machine
- measurement system
- coil axes
- converter
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Abstract
The utility model discloses a washing machine level height measurement system, it includes signal pickup assembly, signal pickup assembly is through the bottom sealing connection of a hose with the interior bucket of washing machine, signal pickup assembly includes the casing, the bottom of casing is equipped with one and admits air approximately and a silica gel diaphragm, lid and the silica gel diaphragm of admitting air constitutes a pressure chamber, the lid that admits air still includes an air inlet, and the inside of casing still is equipped with the iron core chuck from bottom to top in proper order, the iron core, the coil axes, circuit board and hall collection moulding piece, the bottom and the silica gel diaphragm looks block of iron core chuck, its upper portion wears to establish in the iron core, the inboard upper portion at the casing is fixed to the coil axes, the middle part surface winding of coil axes has the coil, the top at the coil axes is fixed to the circuit board, hall collection moulding piece is installed on the circuit board, still be equipped with a reset spring between the inner wall upper surface of iron core chuck and casing. The utility model discloses avoid the influence of temperature to measuring result, had the energy saving and emission reduction effect.
Description
Technical field
The utility model relates to washing machine technology field, particularly relates to a kind of water level of washing machine altitude measurement system.
Background technology
Washing machine operationally, need water level is measured repeatedly, and in the prior art, it mainly comes directly to respond to by traditional level sensor, due to traditional level sensor poor stability, easy temperature influence, the detection speed of height of water level is slow, there is certain error in result, also indirectly wastes water resource.
Utility model content
The utility model mainly to solve in prior art existing technical problem, thus provides one indirectly need not contact water can to detect, and detection speed is fast, the water level of washing machine altitude measurement system of saving water resource.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The water level of washing machine altitude measurement system that the utility model provides, it comprises signal pickup assembly, described signal pickup assembly is connected with the sealed bottom of washing machine inner tub by a flexible pipe, described signal pickup assembly comprises housing, the bottom of described housing is provided with an Intake Cover and a gel silica membrane, described Intake Cover and gel silica membrane form a balancing gate pit, described Intake Cover also comprises an air inlet, described air inlet is connected with described balancing gate pit, and the inside of described housing is also provided with iron core chuck from bottom to top successively, iron core, coil axes, wiring board and Hall integration module, bottom and the described gel silica membrane of described iron core chuck fasten, its top is located in described iron core, described coil axes is fixed on the inside upper part of described housing, the center outer surface of described coil axes is wound with coil, described wiring board is fixed on the top of described coil axes, described Hall integration module is arranged on described wiring board, and described Hall integration module is used for the change of inductive iron core magnetic flux and exports control voltage, wherein, a back-moving spring is also provided with between described iron core chuck and the inwall upper surface of described housing.
Further, described Hall integration module comprises the Hall element connected successively, A/D converter, digital signal processor, D/A converter, modulating output unit and resistance, described Hall element is also connected with a temperature-compensation circuit, described resistance is also connected with control voltage output, and also comprise power supply, oscillator, voltage detection circuit, memory cells and digital output unit, described power supply through a protective circuit of voltage regulation for described D/A converter and modulating output unit provide power source, and described oscillator also respectively with Hall element, A/D converter, digital signal processor, D/A converter is connected, wherein, described power supply is also successively through voltage detection circuit, memory cells is connected with described digital output unit, described memory cells is also connected with digital signal processor with A/D converter respectively, and described digital signal processor is also connected with described digital output unit.
Further, described Hall integration module also comprises circuit brake, and described circuit brake is connected between described resistance and control voltage output, and is connected with described modulating output unit.
Further, also comprise an adjustment screw, the outer surface of described adjustment screw is connected with the screw top of described housing, and its underpart is connected with one end of described back-moving spring.
Further, a side roof part of described coil axes is provided with a groove, and described wiring board is placed in described groove, and the size of the size of described wiring board and described groove adapts.
Further, the two ends of described flexible pipe are respectively with described signal acquisition module with washing machine inner tub is detachable is connected.
The beneficial effects of the utility model are: by being connected with bottom washing machine inner tub flexible pipe one end, other end connection signal acquisition module, when washing machine inner tub has certain water gaging, a certain amount of air pressure is just produced in flexible pipe, pressed gas enters balancing gate pit from air inlet, promotion iron core moves up, and changes the size of iron core magnetic flux, then stable output control voltage after being judged by the size of Hall integration module inductive iron core magnetic flux.Signal acquisition module just can contact water by the mode measuring air pressure and indirectly measure water level height, avoid the impact of temperature on measurement result, each laundry can save water resource over half, greatly reduces quantity of wastewater effluent, has effects of energy saving and emission reduction.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of water level of washing machine altitude measurement system of the present utility model;
Fig. 2 is the structural representation of the signal pickup assembly of water level of washing machine altitude measurement system of the present utility model;
Fig. 3 is the frame diagram of the Hall integration module of water level of washing machine altitude measurement system of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Consult shown in Fig. 1-2, water level of washing machine altitude measurement system of the present utility model, it comprises signal pickup assembly, signal pickup assembly is connected with the sealed bottom of bucket in washing machine 30 by a flexible pipe 29, signal pickup assembly comprises housing 1, the bottom of housing 1 is provided with Intake Cover 2 and a gel silica membrane 3, Intake Cover 2 and gel silica membrane 3 form a balancing gate pit 4, Intake Cover 2 also comprises an air inlet 5, air inlet 5 is connected with balancing gate pit 4, and the inside of housing 2 is also provided with iron core chuck 6 from bottom to top successively, iron core 7, coil axes 8, wiring board 9 and Hall integration module 10, bottom and the gel silica membrane 3 of iron core chuck 6 fasten, its top is located in iron core 7, coil axes 8 is fixed on the inside upper part of housing 1, the center outer surface of coil axes 8 is wound with coil 11, wiring board 9 is fixed on the top of coil axes 8, Hall integration module 12 is arranged on wiring board 9, and Hall integration module 12 for inductive iron core magnetic flux change and export control voltage, wherein, a back-moving spring 13 is also provided with between the inwall upper surface of iron core chuck 6 and housing 1.Pressed gas of the present utility model enters balancing gate pit 4 from air inlet, and air pressure promotes iron core 7 and moves up, and changes the size of iron core 7 magnetic flux, then stable output control voltage after being judged by the size of Hall integration module 12 inductive iron core 7 magnetic flux.Its good stability, the response time is fast, the linearity good, and the uniformity of product is high.
Consult shown in Fig. 3, Hall integration module 10 adopts microelectronic packaging technology, it can accurately sense magnetic flux size thus stable output voltage value, concrete, Hall integration module 10 comprises the Hall element 14, A/D converter 15, digital signal processor 16, D/A converter 17, modulating output unit 18 and the resistance 19 that connect successively, and the resistance of resistance 19 is preferably 100 ohm.Hall element 14 is also connected with a temperature-compensation circuit 20, resistance 19 is also connected with control voltage output, and also comprise power supply, oscillator 21, voltage detection circuit 22, memory cells 23 and digital output unit 24, power supply through a protective circuit of voltage regulation 25 for D/A converter 17 and modulating output unit 18 provide power source, and oscillator 21 also respectively with Hall element 14, A/D converter 15, digital signal processor 16, D/A converter 17 is connected, wherein, power supply is also successively through voltage detection circuit 22, memory cells 23 is connected with digital output unit 24, memory cells 23 is also connected with digital signal processor 16 with A/D converter 15 respectively, and digital signal processor 16 is also connected with digital output unit 24.Hall integration module 10 also comprises circuit brake 26, and circuit brake 26 is connected between resistance 19 and control voltage output, and is connected with modulating output unit 18, and arranging circuit brake 26 is to carry out overload protection, improves the security of circuit.In the utility model, the model of Hall integration module 10 is preferably HAL800.
Preferably, this device also comprises an adjustment screw 27, and the outer surface of adjustment screw 27 is connected with the screw top of housing 1, and its underpart is connected with one end of back-moving spring 13.Adjustment screw 27 is set mainly for adjusting the reset pulling force of back-moving spring 13.
In the present embodiment, a side roof part of coil axes 8 is provided with a groove 12, and wiring board 9 is placed in groove 12, and the size of the size of wiring board 9 and groove 12 adapts.To make wiring board 9 can be fastened in groove 12, preventing the play of circuit board 9 like this., conveniently dismantle, the two ends of flexible pipe 29 are connected with in signal pickup assembly and washing machine 30, bucket is detachable respectively meanwhile.
Above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (6)
1. a water level of washing machine altitude measurement system, it is characterized in that: comprise signal pickup assembly, described signal pickup assembly is connected with the sealed bottom of washing machine (30) interior bucket by a flexible pipe (29), described signal pickup assembly comprises housing (1), the bottom of described housing (1) is provided with an Intake Cover (2) and a gel silica membrane (3), described Intake Cover (2) and gel silica membrane (3) form a balancing gate pit (4), described Intake Cover (2) also comprises an air inlet (5), described air inlet (5) is connected with described balancing gate pit (4), and the inside of described housing (2) is also provided with iron core chuck (6) from bottom to top successively, iron core (7), coil axes (8), wiring board (9) and Hall integration module (10), bottom and the described gel silica membrane (3) of described iron core chuck (6) fasten, its top is located in described iron core (7), described coil axes (8) is fixed on the inside upper part of described housing (1), the center outer surface of described coil axes (8) is wound with coil (11), described wiring board (9) is fixed on the top of described coil axes (8), described Hall integration module (10) is arranged on described wiring board (9), and described Hall integration module (10) for inductive iron core (7) magnetic flux change and export control voltage, wherein, a back-moving spring (13) is also provided with between the inwall upper surface of described iron core chuck (6) and described housing (1).
2. water level of washing machine altitude measurement system as claimed in claim 1, it is characterized in that: described Hall integration module (10) comprises the Hall element (14) connected successively, A/D converter (15), digital signal processor (16), D/A converter (17), modulating output unit (18) and resistance (19), described Hall element (14) is also connected with a temperature-compensation circuit (20), described resistance (19) is also connected with control voltage output, and also comprise power supply, oscillator (21), voltage detection circuit (22), memory cells (23) and digital output unit (24), described power supply through a protective circuit of voltage regulation (25) for described D/A converter (17) and modulating output unit (18) provide power source, and described oscillator (21) also respectively with Hall element (14), A/D converter (15), digital signal processor (16), D/A converter (17) is connected, wherein, described power supply is also successively through voltage detection circuit (22), memory cells (23) is connected with described digital output unit (24), described memory cells (23) is also connected with digital signal processor (16) with A/D converter (15) respectively, and described digital signal processor (16) is also connected with described digital output unit (24).
3. water level of washing machine altitude measurement system as claimed in claim 2; it is characterized in that: described Hall integration module (10) also comprises circuit brake (26); described circuit brake (26) is connected between described resistance (19) and control voltage output, and is connected with described modulating output unit (18).
4. water level of washing machine altitude measurement system as claimed in claim 1, it is characterized in that: also comprise an adjustment screw (27), the outer surface of described adjustment screw (27) is connected with the screw top of described housing (1), and its underpart is connected with the one end of described back-moving spring (13).
5. water level of washing machine altitude measurement system as claimed in claim 4, it is characterized in that: a side roof part of described coil axes (8) is provided with a groove (12), described wiring board (9) is placed in described groove (12), and the size of the size of described wiring board (9) and described groove (12) adapts.
6. water level of washing machine altitude measurement system as claimed in claim 5, is characterized in that: the two ends of described flexible pipe (29) are respectively with described signal pickup assembly with washing machine (30) interior bucket is detachable is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849253.6U CN205223656U (en) | 2015-10-30 | 2015-10-30 | Washing machine level height measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849253.6U CN205223656U (en) | 2015-10-30 | 2015-10-30 | Washing machine level height measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205223656U true CN205223656U (en) | 2016-05-11 |
Family
ID=55898732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520849253.6U Expired - Fee Related CN205223656U (en) | 2015-10-30 | 2015-10-30 | Washing machine level height measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205223656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219135A (en) * | 2017-03-09 | 2019-09-10 | 合肥龙图腾信息技术有限公司 | A kind of washing machine water amount control system |
-
2015
- 2015-10-30 CN CN201520849253.6U patent/CN205223656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219135A (en) * | 2017-03-09 | 2019-09-10 | 合肥龙图腾信息技术有限公司 | A kind of washing machine water amount control system |
| CN110219135B (en) * | 2017-03-09 | 2021-01-26 | 宁波凯祥智能科技有限公司 | Water quantity control system of washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161030 |