CN203075982U - Reliable and automatic water replenishing device for water bath - Google Patents
Reliable and automatic water replenishing device for water bath Download PDFInfo
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- CN203075982U CN203075982U CN 201320119642 CN201320119642U CN203075982U CN 203075982 U CN203075982 U CN 203075982U CN 201320119642 CN201320119642 CN 201320119642 CN 201320119642 U CN201320119642 U CN 201320119642U CN 203075982 U CN203075982 U CN 203075982U
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- water level
- level switch
- limit water
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Abstract
The utility model discloses a reliable and automatic water replenishing device for a water bath, and relates to automatic water replenishing devices. The reliable and automatic water replenishing device is used for solving the problems that an existing water bath adopts manual water replenishing, and wastes time and energy. A normally closed solenoid valve of the reliable and automatic water replenishing device is connected between a tap water source and a guide pipe; the guide pipe extends to a water inlet above a water bath box body; a metal sliding pole is vertically placed in the water bath box body; an upper limit water level switch sliding support and a lower limit water level switch sliding support are fixed on the metal sliding pole; two upper limit water level switches are respectively fixed at the same horizontal position of the two ends of the upper limit water level switch sliding support; two lower limit water level switches are fixed at the same horizontal position of the two ends of the lower limit water level switch sliding support respectively; the signal output ends of the two upper limit water level switches and the signal output ends of the two lower limit water level switches are connected with the signal input end of a drive and control circuit respectively; and the control signal output end of the drive and control circuit is connected with the control signal input end of the normally closed solenoid valve. The reliable and automatic water replenishing device is used for automatically replenishing water for the water bath.
Description
Technical field
The utility model relates to water-bath automatic water supplement technical field.
Background technology
The height of water level that water-bath needs to guarantee to keep certain in the casing in heating process guarantees good water-bath effect simultaneously to prevent the dry combustion method of water bath so that to damage.Under present most of occasion, the maintenance of water level relies on artificial recharge, and this brings to a certain extent inconvenience and potential safety hazard for research and production work.The possessor has proposed some automatic water-replenishing devices (is the automatic water supplement water-bath of CN201410391 as publication number) but still has had defective to the greatest extent.At first, the water source of most of automatic water-replenishing devices is standby water container, and water container still needs artificial recharge; Secondly, existing water replanishing device all is based on simple machinery or circuit structure, and reliability is not high.
Summary of the invention
The utility model purpose is in order to solve the problem that existing water-bath adopts artificial recharge to waste time and energy, to provide a kind of water-bath reliable automatic water-replenishing device.
The reliable automatic water-replenishing device of a kind of water-bath described in the utility model, it comprises Drive and Control Circuit, mozzle, normally closed solenoid valve, water source, upper limit water level switch sliding support, first upper limit water level switch, second upper limit water level switch, the first lower limit water level switch, the second lower limit water level switch, lower limit water level switch sliding support from the beginning, metal litter and water-bath casing;
Described normally closed solenoid valve water inlet is connected from the beginning on the water source, and the delivery port of normally closed solenoid valve connects an end of mozzle, and the other end of mozzle is positioned at the water inlet place of water-bath casing top;
Described metal litter is vertically placed in the water-bath casing, described upper limit water level switch sliding support and lower limit water level switch sliding support are fixed on the metal litter, upper limit water level switch sliding support is fixed on the top of metal litter, and lower limit water level switch sliding support is fixed on the bottom of metal litter;
Described first upper limit water level switch and second upper limit water level switch are separately fixed at the two ends of upper limit water level switch sliding support, and are on the same horizontal level;
The described first lower limit water level switch and the second lower limit water level switch are separately fixed at the two ends of lower limit water level switch sliding support, and are on the same horizontal level;
The signal output part of described first upper limit water level switch, second upper limit water level switch, the first lower limit water level switch and the second lower limit water level switch is corresponding respectively to be connected with the signal input part of Drive and Control Circuit; The control signal output of described Drive and Control Circuit connects the control signal input of normally closed solenoid valve.
Advantage of the present utility model: this is novel can realize the automatic water supplement function according to demand fully, has reliability height, complete function, simple in structure and advantage that cost is low.
Description of drawings
Fig. 1 is the structural representation of the reliable automatic water-replenishing device of a kind of water-bath described in the utility model;
Fig. 2 is the circuit structure diagram of Drive and Control Circuit 1.
The specific embodiment
The specific embodiment one: present embodiment is described below in conjunction with Fig. 1, the reliable automatic water-replenishing device of the described a kind of water-bath of present embodiment, it comprises Drive and Control Circuit 1, mozzle 2, normally closed solenoid valve 3, water source 4, upper limit water level switch sliding support 5, first upper limit water level switch 6, second upper limit water level switch 7, the first lower limit water level switch 8, the second lower limit water level switch 9, lower limit water level switch sliding support 10 from the beginning, metal litter 11 and water-bath casing 12;
Described normally closed solenoid valve 3 water inlets are connected from the beginning on the water source 4, and the delivery port of normally closed solenoid valve 3 connects an end of mozzle 2, and the other end of mozzle 2 is positioned at the water inlet place of water-bath casing top;
Described metal litter 11 is vertically placed in the water-bath casing 12, described upper limit water level switch sliding support 5 and lower limit water level switch sliding support 10 are fixed on the metal litter 11, upper limit water level switch sliding support 5 is fixed on the top of metal litter 11, and lower limit water level switch sliding support 10 is fixed on the bottom of metal litter 11;
Described first upper limit water level switch 6 and second upper limit water level switch 7 are separately fixed at the two ends of upper limit water level switch sliding support 5, and are on the same horizontal level;
The described first lower limit water level switch 8 and the second lower limit water level switch 9 are separately fixed at the two ends of lower limit water level switch sliding support 10, and are on the same horizontal level;
The signal output part of described first upper limit water level switch 6, second upper limit water level switch 7, the last first lower limit water level switch 8 and the second lower limit water level switch 9 is connected with the corresponding signal input of Drive and Control Circuit 1 respectively; The control signal output of described Drive and Control Circuit 1 connects the control signal input of normally closed solenoid valve 3.
The specific embodiment two: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further embodiment one, and the described Drive and Control Circuit 1 of present embodiment comprises single chip circuit 1-1, driving circuit for electromagnetic valve 1-2, resistance R 10, R11, R12 and R13;
Described single chip circuit 1-1 comprises single-chip microcomputer U0, resistance R 1, R2, capacitor C 1, C2, C3, first switch S 1 and crystal oscillator Y1;
One end of described first switch S 1 connects+positive pole of 5V power supply and the positive pole of capacitor C 3 simultaneously;
The other end of described first switch S 1 connects an end of resistance R 1; The other end of described resistance R 1 connects an end of the negative pole of capacitor C 3, No. two resistance R 2 and the RESET input RESET of single-chip microcomputer U0 simultaneously;
Another termination power ground of described resistance R 2;
One end of described capacitor C 1 is connected power supply ground simultaneously with an end of capacitor C 2; The other end of capacitor C 1 connects the end of crystal oscillator Y1 and the clock signal input terminal of single-chip microcomputer U0 simultaneously;
The other end of described crystal oscillator Y1 connects the other end of capacitor C 2 and another clock signal input terminal of single-chip microcomputer U0 simultaneously;
One end of one end of one end of one end of described first upper limit water level switch 6, second upper limit water level switch 7, the first lower limit water level switch 8 and the second lower limit water level switch 9 is connected with four water level signal inputs of single chip circuit 1-1 respectively; Four water level signal inputs of described single chip circuit 1-1 are connected with+5V positive source by resistance R 10, R11, R12 and R13 respectively; The other end of the other end of the other end of described first upper limit water level switch 6, second upper limit water level switch 7, the first lower limit water level switch 8 is connected simultaneously with the other end of the second lower limit water level switch 9+the power supply ground of 5V power supply;
The driving signal output part of described single chip circuit 1-1 connects the driving signal input of driving circuit for electromagnetic valve 1-2; The control signal output of described driving circuit for electromagnetic valve 1-2 connects the control signal input of normally closed solenoid valve 3.
The specific embodiment three: present embodiment is described below in conjunction with Fig. 2, present embodiment is described further embodiment one or two, and the described driving circuit for electromagnetic valve 1-2 of present embodiment comprises resistance R 3 to R9, photoelectrical coupler U1, Zener diode D1, Schottky diode D2 and N channel field-effect pipe Q1;
The positive pole of the light emitting diode of the input side of described photoelectrical coupler U1 connects an end of No. three resistance R 3; The other end of No. three resistance R 3 connects the positive pole of VCC power supply;
The negative pole of the light emitting diode of described photoelectrical coupler U1 input side connects the driving signal output part of single chip circuit 1-1;
The colelctor electrode of the phototriode of described photoelectrical coupler U1 outlet side connects an end of resistance R 6, and the other end of resistance R 6 connects an end of resistance R 5 and the positive pole of DC24V supply voltage simultaneously;
The emitter stage of the phototriode of described photoelectrical coupler U1 outlet side connects an end of resistance R 7, an end of resistance R 8, the negative electrode of Zener diode D1, an end of resistance R 4 simultaneously, and the other end of this resistance R 4 connects the grid of N channel field-effect pipe Q1;
The other end of described resistance R 7 connects power supply ground;
The other end of described resistance R 8 connects the anode of Zener diode D1, drain electrode and the power supply ground of N channel field-effect pipe Q1 simultaneously;
The source electrode of described N channel field-effect pipe Q1 connects the feeder ear of the control coil of the anode of the other end, Schottky diode D2 of resistance R 5 and normally closed solenoid valve 3 simultaneously;
The other end of described Schottky diode D2 connects an end of resistance R 9;
The other end of described resistance R 9 connects an end of DC24V power supply and another pin of normally closed solenoid valve 3 simultaneously.
The specific embodiment four: present embodiment is described below in conjunction with Fig. 2, present embodiment is to further specifying that embodiment one or two is done, and the single-chip microcomputer U0 among the described single chip circuit 1-1 of present embodiment is that to adopt model be the chip microcontroller of AT89S51.
When adopting AT89S51 as single-chip microcomputer U0, four water level signal inputs of single-chip microcomputer U0 are respectively pin P1.0～P1.3, wherein P1.0 is to be connected first upper limit water level switch 6 and second upper limit water level switch 7 with P1.1, P1.2 is to be connected the first lower limit water level switch 8 and the second lower limit water level switch 9 with P1.3, at this moment, the operation principle of the reliable automatic water-replenishing device of water-bath described in the present embodiment is:
Described water source from the beginning connects the normally closed solenoid valve water inlet, and mozzle adopts 4 fens metal flexible pipes of band elbow stainless steel, and the one end connects the normally closed solenoid valve delivery port, and the other end is positioned at the water inlet place of water-bath casing top;
Described metal litter is vertically placed in the water-bath casing.
Described upper limit water level switch sliding support and lower limit water level switch sliding support are fixed on the metal litter, and it highly can be regulated according to concrete needs.Upper limit water level switch sliding support is fixed on a high position, is used to specify the peak level in the casing, in the moisturizing process, prescribes a time limit when water level reaches on this, stops moisturizing; Lower limit water level switch sliding support is fixed on low level, is used to specify the lowest water level in the casing, when being lower than this water level in the water-bath casing, and the beginning automatic water supplement.
For the situation of avoiding single point failure takes place as far as possible, the utility model is placed two water level switches respectively to provide redundant at upper limit water level and lower limit water level place.
Described first upper limit water level switch 6 and second upper limit water level switch 7 are fixed on the upper limit water level switch sliding support, are in same horizontal level.Ground connection of two leads of first upper limit water level switch 6, another root connects single-chip microcomputer P1.0 pin, ground connection of two leads of second upper limit water level switch 7, another root connects single-chip microcomputer P1.1 pin.When reaching upper limit water level in the casing, first upper limit water level switch 6 and second upper limit water level switch, 7 closures make P1.0 and P1.1 pin be low level.
The described first lower limit water level switch 8 and the second lower limit water level switch 9 are fixed on the lower limit water level switch sliding support, are in same horizontal level.Ground connection of two leads of the first lower limit water level switch 8, another root connects single-chip microcomputer P1.2 pin, ground connection of two leads of the second lower limit water level switch 9, another root connects single-chip microcomputer P1.3 pin.When being lower than the lower limit water level in the casing, the first lower limit water level switch 8 and the second lower limit water level switch 9 disconnect, and make P1.2 and P1.3 pin be high level.
The device run duration, single-chip microcomputer monitors P1.0～P1.3 pin level.Under normal circumstances, the interior water level of casing is between upper limit water level and lower limit water level.The pin P1.4 that controls driving circuit for electromagnetic valve this moment keeps high level, normally closed solenoid valve disconnects, first upper limit water level switch 6 and second upper limit water level switch 7 are in off-state, P1.0 and P1.1 pin are high level, the first lower limit water level switch 8 and the second lower limit water level switch 9 are in closure state, and P1.2 and P1.3 pin are low level.Along with water evaporates, water level reduces gradually, when being lower than the lower limit water level, the first lower limit water level switch 8 and the second lower limit water level switch 9 disconnect, this moment, P1.2 and P1.3 pin were high level, start the moisturizing process: P1.4 is changed to low level and maintenance, the normally closed solenoid valve energising is opened, running water flows into.Along with water level raises gradually, when reaching upper limit water level, first upper limit water level switch 6 and second upper limit water level switch, 7 closures, P1.0 and P1.1 pin are low level, stop moisturizing this moment: P1.4 is changed to high level and maintenance, the normally closed solenoid valve outage is closed, and the blocking-up running water finishes the moisturizing process.
Claims (4)
1. reliable automatic water-replenishing device of water-bath, it is characterized in that it comprises Drive and Control Circuit (1), mozzle (2), normally closed solenoid valve (3), water source (4), upper limit water level switch sliding support (5), first upper limit water level switch (6), second upper limit water level switch (7), the first lower limit water level switch (8), the second lower limit water level switch (9), lower limit water level switch sliding support (10), metal litter (11) and water-bath casing (12) from the beginning;
Described normally closed solenoid valve (3) water inlet is connected from the beginning on water source (4), and the delivery port of normally closed solenoid valve (3) connects an end of mozzle (2), and the other end of mozzle (2) is positioned at the water inlet place of water-bath casing top;
Described metal litter (11) is vertically placed in the water-bath casing (12), described upper limit water level switch sliding support (5) and lower limit water level switch sliding support (10) are fixed on the metal litter (11), upper limit water level switch sliding support (5) is fixed on the top of metal litter (11), and lower limit water level switch sliding support (10) is fixed on the bottom of metal litter (11);
Described first upper limit water level switch (6) and second upper limit water level switch (7) are separately fixed at the two ends of upper limit water level switch sliding support (5), and are on the same horizontal level;
The described first lower limit water level switch (8) and the second lower limit water level switch (9) are separately fixed at the two ends of lower limit water level switch sliding support (10), and are on the same horizontal level;
The signal output part of described first upper limit water level switch (6), second upper limit water level switch (7), the first lower limit water level switch (8) and the second lower limit water level switch (9) is connected with the corresponding signal input of Drive and Control Circuit (1) respectively; The control signal output of described Drive and Control Circuit (1) connects the control signal input of normally closed solenoid valve (3).
2. according to the reliable automatic water-replenishing device of the described a kind of water-bath of claim 1, it is characterized in that described Drive and Control Circuit (1) comprises single chip circuit (1-1), driving circuit for electromagnetic valve (1-2), resistance R 10, R11, R12 and R13;
Described single chip circuit (1-1) comprises single-chip microcomputer (U0), resistance R 1, R2, capacitor C 1, C2, C3, first switch (S1) and crystal oscillator (Y1);
One end of described first switch (S1) connects+positive pole of 5V power supply and the positive pole of capacitor C 3 simultaneously;
The other end of described first switch (S1) connects an end of resistance R 1; The other end of described resistance R 1 connects an end of the negative pole of capacitor C 3, No. two resistance R 2 and the RESET input RESET of single-chip microcomputer (U0) simultaneously;
Another termination power ground of described resistance R 2;
One end of described capacitor C 1 is connected power supply ground simultaneously with an end of capacitor C 2; The other end of capacitor C 1 connects an end of crystal oscillator (Y1) and a clock signal input terminal of single-chip microcomputer (U0) simultaneously;
The other end of described crystal oscillator (Y1) connects the other end of capacitor C 2 and another clock signal input terminal of single-chip microcomputer (U0) simultaneously;
One end of one end of one end of one end of described first upper limit water level switch (6), second upper limit water level switch (7), the first lower limit water level switch (8) and the second lower limit water level switch (9) is connected with four water level signal inputs of single chip circuit (1-1) respectively; Four water level signal inputs of described single chip circuit (1-1) are connected with+5V positive source by resistance R 10, R11, R12 and R13 respectively; The other end of the other end of the other end of described first upper limit water level switch (6), second upper limit water level switch (7), the first lower limit water level switch (8) is connected simultaneously with the other end of the second lower limit water level switch (9)+the power supply ground of 5V power supply;
The driving signal output part of described single chip circuit (1-1) connects the driving signal input of driving circuit for electromagnetic valve (1-2); The control signal output of described driving circuit for electromagnetic valve (1-2) connects the control signal input of the control coil of normally closed solenoid valve (3).
3. according to claim 1 or the reliable automatic water-replenishing device of 2 described a kind of water-baths, it is characterized in that described driving circuit for electromagnetic valve (1-2) comprises resistance R 3 to R9, photoelectrical coupler (U1), Zener diode (D1), Schottky diode (D2) and N channel field-effect pipe (Q1);
The positive pole of the light emitting diode of the input side of described photoelectrical coupler (U1) connects an end of No. three resistance R 3; The other end of No. three resistance R 3 connects the positive pole of VCC power supply;
The negative pole of the light emitting diode of described photoelectrical coupler (U1) input side connects the driving signal output part of single chip circuit (1-1);
The colelctor electrode of the phototriode of described photoelectrical coupler (U1) outlet side connects an end of resistance R 6, and the other end of resistance R 6 connects an end of resistance R 5 and the positive pole of DC24V supply voltage simultaneously;
The emitter stage of the phototriode of described photoelectrical coupler (U1) outlet side connects an end of resistance R 7, an end of resistance R 8, the negative electrode of Zener diode (D1), an end of resistance R 4 simultaneously, and the other end of this resistance R 4 connects the grid of N channel field-effect pipe (Q1);
The other end of described resistance R 7 connects power supply ground;
The other end of described resistance R 8 connects the anode of Zener diode (D1), the drain electrode and the power supply ground of N channel field-effect pipe (Q1) simultaneously;
The source electrode of described N channel field-effect pipe (Q1) connects the feeder ear of the control coil of the anode of the other end, Schottky diode (D2) of resistance R 5 and normally closed solenoid valve (3) simultaneously;
The other end of described Schottky diode (D2) connects an end of resistance R 9;
The other end of described resistance R 9 connects an end of DC24V power supply and another pin of normally closed solenoid valve (3) simultaneously.
4. according to claim 1 or the reliable automatic water-replenishing device of 2 described a kind of water-baths, it is characterized in that the single-chip microcomputer (U0) in the described single chip circuit (1-1) is that to adopt model be the chip microcontroller of AT89S51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119642 CN203075982U (en) | 2013-03-15 | 2013-03-15 | Reliable and automatic water replenishing device for water bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320119642 CN203075982U (en) | 2013-03-15 | 2013-03-15 | Reliable and automatic water replenishing device for water bath |
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| Publication Number | Publication Date |
|---|---|
| CN203075982U true CN203075982U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320119642 Expired - Fee Related CN203075982U (en) | 2013-03-15 | 2013-03-15 | Reliable and automatic water replenishing device for water bath |
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| Country | Link |
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| CN (1) | CN203075982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012781A (en) * | 2018-07-23 | 2018-12-18 | 烟台知兴知识产权咨询服务有限公司 | One kind is anti-to dryout constant temperature heating device |
| CN110090678A (en) * | 2018-01-30 | 2019-08-06 | 陈则 | A kind of water-bath automatically added water |
-
2013
- 2013-03-15 CN CN 201320119642 patent/CN203075982U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090678A (en) * | 2018-01-30 | 2019-08-06 | 陈则 | A kind of water-bath automatically added water |
| CN110090678B (en) * | 2018-01-30 | 2021-03-02 | 亳州含量无忧中药材检测有限公司 | Water bath kettle capable of automatically adding water |
| CN109012781A (en) * | 2018-07-23 | 2018-12-18 | 烟台知兴知识产权咨询服务有限公司 | One kind is anti-to dryout constant temperature heating device |
| CN109012781B (en) * | 2018-07-23 | 2020-11-10 | 磐安县嘉辰机械有限公司 | Prevent dry constant temperature heating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20150315 |
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| EXPY | Termination of patent right or utility model |