CN2660377Y - Liquid level controller - Google Patents
Liquid level controller Download PDFInfo
- Publication number
- CN2660377Y CN2660377Y CN 200320124875 CN200320124875U CN2660377Y CN 2660377 Y CN2660377 Y CN 2660377Y CN 200320124875 CN200320124875 CN 200320124875 CN 200320124875 U CN200320124875 U CN 200320124875U CN 2660377 Y CN2660377 Y CN 2660377Y
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- CN
- China
- Prior art keywords
- liquid level
- control switch
- level controller
- fluid level
- indicating device
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- 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 - Fee Related
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Abstract
The utility model discloses a liquid-level controller, including a signal indication device, an electromagnetic valve, a high liquid-level control switch and a low liquid-level control switch. The electromagnetic valve is used for controlling a current. The liquid-level control switches control the signal indication device. When the liquid-level is in the first liquid-level, the high liquid-level control switch controls the signal indication device and also controls the disconnection of the electromagnetic valve. When the liquid-level is in the second liquid-level, the low liquid-level control switch controls the signal indication device and also controls the conduction of the electromagnetic valve.
Description
Technical field
Relate to a kind of fluid level controller in the utility model, more particularly, relate to a kind of humidifier that is applicable to, opens solenoid valve just when water level is reduced to certain liquid level, and regularly just disconnect magnetic valve during liquid level up to one and at the fluid level controller of opening or having the disconnection magnetic valve time warning function when water level.
Background technology
The humidifier of family's use at present mostly adopts the mode of anhydrous outage to control, safe in utilization to guarantee, and industrial humidifier is because its special work requirements, promptly can not stop humidification at any time, so cut off the water supply and stop the phenomenon of humidification in order to prevent, generally all adopt float-type liquid level controller, promptly when the water level in the water tank descends, by float-type liquid level controller control and unlatching water inlet switch, toward the interior water filling of water tank, when water level during,, so can guarantee all to have in the water tank enough water to be used for atomizing humidifying performance and handle still by float-ball type liquid level water inlet switch auto-closing up to certain liquid level.
But in use there is following problems in this kind float-type liquid level controller:
1. do not have alarm function, usage safety performance is not enough;
2. the volume of float-type liquid level controller is bigger, causes the volume of water tank to increase;
3. the precision of water level control is accurate inadequately, and reliability is not enough;
4. the use owing to float-type liquid level controller causes the startup of water pump comparatively frequent, the use cost height.
How a kind of wound motivation place of grinding of the present utility model of the fluid level controller that can effectively address the above problem is provided for this reason.
Summary of the invention
Fluid level controller in the utility model mainly is for problem such as solve that existing fluid level controller volume is big, use cost is high and the liquid level control accuracy is low.
Another purpose of the present utility model be to provide a kind of when water level is reduced to certain liquid level opens solenoid valve, and regularly just disconnect magnetic valve during liquid level up to one and at the fluid level controller of opening or having the disconnection magnetic valve time warning function when water level.
Fluid level controller in the utility model includes signal indicating device, is used to control the magnetic valve of current, high liquid level control switch and low liquid level control switch, liquid-level switch control signal indicating device, when liquid level is in first liquid level, high liquid level control switch control signal indicating device, controlling magnetic valve simultaneously disconnects, when liquid level was in second liquid level, low liquid level control switch control signal indicating device was controlled solenoid valve conduction simultaneously.
Described signal indicating device is audible-visual annunciator or photoelectric alarm.
Described signal indicating device is two audible-visual annunciator and/or the photoelectric alarms controlled separately by high liquid level control switch and low liquid level control switch respectively.
Described high liquid level control switch and low liquid level control switch are fixed on the junction pipe that can insert in the liquid container by installing plate respectively.
Described junction pipe outer wall is provided with external screw thread, and is corresponding with this external screw thread, and described installing plate is provided with internal thread.
Described high fluid level controller all is connected with described installing plate by screw thread with low fluid level controller, and this high and low liquid level control switch includes the tongue tube that an inside is provided with the contact, and the float magnetic ring that can move up and down along this main pipe.
Fluid level controller in the utility model is by means of the high fluid level controller that is arranged on junction pipe upper-lower position place and the low fluid level controller diverse location according to water level, independent guide sound optical signal indicating device of difference and photosignal indicating device, to send different alarm, and the break-make of control magnetic valve, so, can effectively solve the existing existing problem of float-type liquid level controller.
Description of drawings
Fig. 1 is the circuit diagram of the utility model fluid level controller;
Fig. 2 is the structural representation of the high liquid level control switch of the utility model, low liquid level control switch and junction pipe.
The specific embodiment
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, fluid level controller in the utility model mainly includes sound and light signal indicating device 1, photosignal indicating device 2, be used to control the magnetic valve (not shown) of current, high liquid level control switch 3 and low liquid level control switch 4, fluid level controller in the utility model not only can be applied to humidifier, and can be applied in other equipment that needs liquid level control.
High liquid level control switch 3 and low liquid level control switch 4 are parallel in the power circuit respectively with after photosignal indicating device 2, sound and light signal indicating device 1 are connected, when the liquid level in the water tank is in first liquid level (high liquid level), high liquid level control switch 3 control photosignal indicating devices 2 send the color break-up alarm signal, control magnetic valve simultaneously and disconnect, close water inlet switch; When liquid level was in second liquid level (low liquid level), low liquid level control switch 4 guide sound optical signal indicating devices 1 sent the sound and light alarm signal, control solenoid valve conduction simultaneously, toward the interior water filling of water tank.Utilize this fluid level controller when water level drops to minimum liquid level, to open and open magnetic valve again, open water inlet switch simultaneously, water filling in the water tank, rather than liquid level just opens water intaking valve as long as descend, thus in guaranteeing water tank, do not effectively reduce use cost under the prerequisite of lack of water.In addition, sound and light signal indicating device 1 can so all send same alarm signal by a replacement with photosignal indicating device 2 when high water level and low water level.
As shown in Figure 2, high liquid level control switch 3, but low liquid level control switch 4 respectively by an installing plate 6 up-down adjustment be fixed on the junction pipe 5, this junction pipe 5 is provided with screw thread and nut at the top, utilize this screw thread and nut 7 can be fixed on water tank (also can be other liquid container) inwall, junction pipe 5 its outer walls are provided with external screw thread 50, and installing plate 6 is provided with two perforation 60,61, one of them perforation 60 is used to be nested with junction pipe 5, inside is provided with internal thread, external screw thread 50 on this internal thread and junction pipe 5 outer walls is coarse-pitch thread, can realize the coarse adjustment of the water level position of high liquid level control switch 3 and low liquid level control switch 4, be provided with fine thread in installing plate 6 another perforation 61, corresponding with this fine thread, high, low liquid level control switch 3, also be provided with thin external screw thread on 4 the tongue tube outer wall, realize high, the low accurate adjustment of liquid-level switch behind the coarse adjustment position, thus make height, the low residing liquid level of liquid level control switch position is more accurate.
High and low liquid-level switch 3,4 includes a tongue tube 8, can be along these tongue tube 8 upper and lower mobile float magnetic rings 9, wherein be provided with two contact (not shown)s in the tongue tube 8, and this contact is connected with sound and light signal indicating device and photosignal indicating device by lead, wherein high and low liquid level control switch 3,4 and sound and light signal indicating device, photosignal indicating device all adopt commercially available matured product, for this describes in detail no longer separately to its concrete structure and operation principle.
In sum, the fluid level controller in the utility model not only volume is little, and use cost is low, and has sound and light of alarm.In addition, the liquid level control in the utility model has coarse adjustment and accurate adjustment function, thereby more accurate to the adjusting of liquid level.
In addition; above-mentionedly only the preferred embodiment in the utility model is described; but can not be as protection domain of the present utility model; because of as those skilled in the art it being made corresponding modification and modification is fine; therefore; the equivalence that designs spirit and make of the present utility model of every foundation changes or modifies, and all should think to fall into protection domain of the present utility model.
Claims (8)
1. fluid level controller, include signal indicating device and be used to control the magnetic valve of current, it is characterized in that: described fluid level controller also includes high liquid level control switch and low liquid level control switch, liquid-level switch control signal indicating device, when liquid level is in first liquid level, high liquid level control switch control signal indicating device, controlling magnetic valve simultaneously disconnects, when liquid level was in second liquid level, low liquid level control switch control signal indicating device was controlled solenoid valve conduction simultaneously.
2. according to the fluid level controller described in the claim 1, it is characterized in that: described signal indicating device is audible-visual annunciator or photoelectric alarm.
3. according to the fluid level controller described in the claim 1, it is characterized in that: described signal indicating device is two audible-visual annunciator and/or the photoelectric alarms controlled separately by high liquid level control switch and low liquid level control switch respectively.
4. according to any described fluid level controller in the claim 1 to 3, it is characterized in that: described high liquid level control switch and low liquid level control switch are fixed on the junction pipe that can insert in the liquid container by installing plate respectively.
5. according to the fluid level controller described in the claim 4, it is characterized in that: described junction pipe outer wall is provided with external screw thread, and is corresponding with this external screw thread, and described installing plate is provided with internal thread.
6. according to the fluid level controller described in the claim 5, it is characterized in that: but described screw thread is the coarse-pitch thread of coarse adjustment.
7. according to the fluid level controller described in the claim 4, it is characterized in that: described high fluid level controller all is connected with described installing plate by screw thread with low fluid level controller, this high and low liquid level control switch includes the tongue tube that an inside is provided with the contact, and the float magnetic ring that can move up and down along this main pipe.
8. according to the fluid level controller described in the claim 7, it is characterized in that: but described screw thread is the fine thread of accurate adjustment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320124875 CN2660377Y (en) | 2003-12-05 | 2003-12-05 | Liquid level controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200320124875 CN2660377Y (en) | 2003-12-05 | 2003-12-05 | Liquid level controller |
Publications (1)
Publication Number | Publication Date |
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CN2660377Y true CN2660377Y (en) | 2004-12-01 |
Family
ID=34349113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200320124875 Expired - Fee Related CN2660377Y (en) | 2003-12-05 | 2003-12-05 | Liquid level controller |
Country Status (1)
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100595556C (en) * | 2006-05-18 | 2010-03-24 | 中国科学院大连化学物理研究所 | Automatic additive device for filtering and washing samples |
CN101975431A (en) * | 2010-10-29 | 2011-02-16 | 中国农业大学 | Air dehumidifying and cooling device |
CN102085071A (en) * | 2010-12-06 | 2011-06-08 | 常州市迪邦电器有限公司 | Multi-functional drinking water and humidification machine |
CN105774199A (en) * | 2016-03-08 | 2016-07-20 | 苏州瑞日纺织科技有限公司 | Circular screen printer liquid level control system with signal indicating device |
-
2003
- 2003-12-05 CN CN 200320124875 patent/CN2660377Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100595556C (en) * | 2006-05-18 | 2010-03-24 | 中国科学院大连化学物理研究所 | Automatic additive device for filtering and washing samples |
CN101975431A (en) * | 2010-10-29 | 2011-02-16 | 中国农业大学 | Air dehumidifying and cooling device |
CN102085071A (en) * | 2010-12-06 | 2011-06-08 | 常州市迪邦电器有限公司 | Multi-functional drinking water and humidification machine |
CN105774199A (en) * | 2016-03-08 | 2016-07-20 | 苏州瑞日纺织科技有限公司 | Circular screen printer liquid level control system with signal indicating device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PP01 | Preservation of patent right |
Effective date of registration: 20111109 Granted publication date: 20041201 |
|
PD01 | Discharge of preservation of patent |
Date of cancellation: 20120509 Granted publication date: 20041201 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041201 Termination date: 20121205 |