CN201934302U - Self-protective water pump - Google Patents
Self-protective water pump Download PDFInfo
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- CN201934302U CN201934302U CN2010206944606U CN201020694460U CN201934302U CN 201934302 U CN201934302 U CN 201934302U CN 2010206944606 U CN2010206944606 U CN 2010206944606U CN 201020694460 U CN201020694460 U CN 201020694460U CN 201934302 U CN201934302 U CN 201934302U
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- water pump
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- self
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Abstract
The utility model relates to a self-protective water pump. The water pump comprises a water pump, a rotating speed extraction circuit, a detection and control circuit and a switch circuit, which are sequentially connected, wherein a power input unit is connected with the water pump through the switch circuit and provides the water pump with power, and the switch circuit is connected with and controls the output of the power input unit. By detecting and judging the operation condition of the water pump, the water pump starts the protection program when the water pump idles, rotates in a locked way or overloads in a state away from the water, such as stops operation, which not only saves energy, but also plays the function of protection and prolongs the service life. Furthermore, by detecting whether the voltage of each input port is suitable for the operating voltage of the water pump or not, the water pump controls the three input ports in the port switch circuit to choose the suitable port for switching, thereby controlling different power sources to provide the water pump with power, breaking the limitation of the water pump in utilizing single power, and ensuring the normal operation of the water pump under different weather conditions when the purposes of being energy-saving and environment-friendly are achieved by utilizing the solar energy.
Description
Technical field
The utility model relates to a kind of water pump with self-protecting function.
Background technique
The built-in temp controller of the general employing of the protective gear of water pump on the market can only be taked protective action after water pump is overheated.Yet when water pump is flogging a dead horse when imitating, when often inside temperature does not reach the required disconnection protection of temp controller temperature, thereby water pump will continuous firing waste electric energy.As the required protection temperature of the temp controller of selecting for use is when on the low side; can make water pump the protection phenomenon when normal operation, can occur disconnecting again, thereby influence the proper functioning of water pump, and; the water pump temperature is influenced by environmental temperature, so single temp controller protected-type accuracy rate is not high.
The model utility content
The utility model has overcome above-mentioned shortcoming, provide a kind of can be dried up at water pump, under the abnormal operating states such as stall or overload, change the water pump with self-protecting function of working state.
The technical scheme in the invention for solving the technical problem is: a kind of water pump with self-protecting function; comprise the water pump, rotational speed extraction circuit, detection control circuit and the switching circuit that connect successively; a power input unit is given described water pump through described switching circuit connection and power supply, and described switching circuit connects and control the output of described power input unit.
Described detection control circuit can comprise the rotation speed detection unit that connects successively and judge control unit, described rotation speed detection unit is carried out conversion treatment with the signal of described rotational speed extraction circuit output, send to described judgement control unit, control described switching circuit by described judgement control unit.
Described rotational speed extraction circuit can be the amplification circuit that input end is connected to the work loop of described water pump.
Described detection control circuit can adopt single-chip microcomputer.
Described power input unit can comprise solar energy silicon wafer plate, storage battery and the ac power supply end of access arranged side by side, the input end of an A/D converting unit is connected with the ac power supply end with described solar energy silicon wafer plate, storage battery respectively, output terminal is connected with described judgement control unit, described switching circuit is the port diverter circuit, switches the output of described solar energy silicon wafer plate, storage battery, ac power supply end.
Described ac power supply end also can be connected with an external step down transformer.
Described port diverter circuit can comprise three tunnel handoff leg, adopts triode as switching element respectively, and is connected accordingly respectively between described solar energy silicon wafer plate, storage battery, ac power supply end and the water pump.
The utility model by check, judge and the working state of water pump to make water pump under the state of dried up idle running, stall or overload, enter defence program, for example quit work, promptly energy-conservationly play a protective role again and prolonged the water pump life-span.In addition, whether the utility model meets the operating voltage of water pump by the voltage that detects each input port, controlling described port diverter circuit selects suitable port to switch in three input ports, thereby controlling different power supplys powers to water pump, solved the narrow limitation that water pump uses single power, when using solar energy to reach energy-conserving and environment-protective, under multiple weather condition, make the water pump proper functioning.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
As shown in fig. 1, the utility model comprises water pump, rotational speed extraction circuit, detection control circuit and the switching circuit that connects successively, a power input unit is given described water pump through described switching circuit connection and power supply, and described switching circuit connects and control the output of described power input unit.Described power input unit comprises solar energy silicon wafer plate, storage battery and the ac power supply end of access arranged side by side, the input end of an A/D converting unit is connected with the ac power supply end with described solar energy silicon wafer plate, storage battery respectively, output terminal is connected with described judgement control unit, described switching circuit is the port diverter circuit, switches the output of described solar energy silicon wafer plate, storage battery, ac power supply end.In most cases, the voltage of water pump can not be complementary with line voltage, therefore can connect an external external step down transformer as the reduction line voltage in described Ac pressure side.Described detection control circuit comprises the rotation speed detection unit that connects successively and judges control unit, the signal that the described rotational speed extraction circuit that described rotation speed detection unit will receive sends carries out conversion treatment, send to described judgement control unit, control described switching circuit by described judgement control unit.Described rotation speed detection unit also can be the processing unit with A/D conversion function.
As shown in Figure 2, described rotation speed detection unit, judge that control unit and A/D converting unit can be integrated on the single-chip microcomputer U1.The amplification circuit of described rotational speed extraction circuit for being made of amplifier U2A, the input end of described amplification circuit are connected to the work loop of described water pump.The VSUN of single-chip microcomputer U1, VBAT, VAC be used to detect solar energy silicon wafer plate, connect storage battery, the input end of the A/D converting unit of external step down transformer three road voltages, PSUN, PBAT, PAC are control ends, and output control signal control solar energy silicon wafer plate, storage battery, external step down transformer are the water pump power supply.Triode Q1 ~ Q6 is used for the signal according to PSUN, PBAT, PAC output as switching element, allows water pump follow solar energy silicon wafer plate, connects storage battery or the connection of external transformer.
Described port diverter circuit comprises three tunnel handoff leg, adopts triode as switching element respectively, and is connected accordingly respectively between described solar energy silicon wafer plate, storage battery, ac power supply end and the water pump.One the tunnel to be example wherein, after the PSUN of single-chip microcomputer end sent control signal, control triode Q2 conducting, and then control triode Q1 conducting connected OUT end and water pump, the feed water pump power supply.
Based on said structure, working procedure of the present utility model is as follows,
Described power input unit provides stable work energy to water pump, behind pump working, can judge by the rotating speed that detects water pump whether the work of water pump is normal, as whether being in abnormal operating states such as dried up idle running, stall or overload energy.The consistent pump rotary speed that extracts of size of current period of change when described rotational speed extraction circuit utilizes the pump working rotating speed with pump working, input end is connected to the work loop of described water pump, extracts the rotating speed of water pump, exports to single-chip microcomputer U1 by the TC end after U2A amplifies.
The voltage that the electric current that pump working produces produces is on the line amplified by U2A, takes out the rotating speed of water pump from the voltage signal of alternation; Single-chip microcomputer U1 constantly detects the rotating speed of water pump.Judge whether thereby rotating speed confirms whether enter defence program, promptly will need to quit work.
The rated speed scope of setting water pump is that 1500 commentaries on classics ~ 3500 are changeed, and rotating speed is lower than 1500 of setting when water pump stall or overload changes, and assert that pump rotary speed is undesired this moment; Rotating speed is greater than 3500 commentaries on classics of setting when being in unloaded state in the water pump leaving water, and it is undesired to regard as pump rotary speed.Hybrid controller entered defence program when rotating speed was undesired:
1. the outage of the power supply of the described port diverter circuit of Single-chip Controlling output carrying out elder generation was switched on 3 seconds after 5 seconds again and is continued to detect rotating speed by described rotational speed extraction circuit, and rotating speed assert then that normally water pump is in normal working, thereby withdraws from defence program.Also undesired then the entering for the second time of rotating speed detected.
2. the power supply of the described port diverter circuit of Single-chip Controlling is exported and is carried out switching on work 3 seconds after elder generation cut off the power supply 10 seconds more again and detecting rotating speed.Rotating speed assert then that normally water pump is in normal working, thereby withdraws from defence program.Also undesired then the entering for the third time of rotating speed detected.
3. the outage of the power supply of the described port diverter circuit of Single-chip Controlling output carrying out elder generation is switched on again and was worked 3 seconds after 20 seconds and detects rotating speed, and rotating speed assert then that normally water pump is in normal working, thereby withdraws from defence program.Rotating speed is undesired then to enter the 4th detection.
4. the power supply of the described port diverter circuit of Single-chip Controlling is exported and is carried out switching on work 3 seconds after elder generation cut off the power supply 10 minutes more again and detecting rotating speed, and rotating speed assert then that normally water pump is in normal working, thereby withdraws from defence program.Rotating speed is undesired then to be continued to check once in per 10 minutes, normal until detecting pump rotary speed, by control port by pump working.
Outage wherein, galvanization can repeat repeatedly again, and has the first different time delays at every turn.Can utilize short time delay to get rid of and disturb the misoperation that produces, utilize long time delay to carry out suitable maintenance and maintenance work, make water pump be returned to normal working state as early as possible.Therefore, enter defence program by check, judgement water pump under the state of dried up idle running, stall or overload, the waste of energy of promptly avoiding water pump idle running to bring plays a protective role again, and has prolonged the working life of water pump.
For guaranteeing the good operation of water pump, when having guaranteed that water pump output is in normal range (NR), to guarantee that also the power supply input of water pump is in normal working state.Owing to solar energy silicon wafer plate, connect storage battery, external transformer different in kind separately, its during as power supply normal working also different:
Solar energy silicon wafer plate: this port voltage was effective power supply greater than 11V when voltage is greater than 6V during pump working when water pump was static.Not meeting above-mentioned condition, to be considered as the power supply of solar energy silicon wafer plate invalid.Be water pump when static, it is invalid that solar energy silicon wafer plate voltage is considered as power supply less than 11V.Voltage is supplied with water pump power during greater than 11V, and water pump is started working, but voltage is again less than 6V during work, and it is invalid also to be considered as sun-generated electric power.
Storage battery: this port voltage was greater than 9.5V when water pump was static, and voltage is greater than 9V behind the pump working, was effective power supply.Not meeting above-mentioned condition, to be considered as the power supply of storage battery invalid.Be water pump when static, it is that power supply is invalid that battery tension is looked storage battery less than 9.5V.Voltage is supplied with water pump power during greater than 9.5V, and water pump is started working, but it is invalid to look battery feed when voltage is less than 9V during work.
External step down transformer: this terminal voltage was greater than 11V when water pump was static, and voltage is greater than 6V and is considered as effective power supply behind the pump working.Not meeting above-mentioned condition, to be considered as the power supply of external step down transformer invalid.Be water pump when static, it is invalid that external step down transformer voltage is considered as power supply less than 11V.Voltage is supplied with water pump power during greater than 11V, and water pump is started working, but it is invalid to look external step down transformer when voltage is less than 11V during work.
A/D converting unit by single-chip microcomputer inside detects the power source voltage value of solar energy silicon wafer plate, and judges whether effectively by described judgement control unit, and effectively then selecting solar energy is that water pump is powered.By the control of PSUN control end, allow corresponding Q2, Q1 connect and be the water pump power supply.
If the power supply of solar energy silicon wafer plate is invalid, then detects the magnitude of voltage of battery feed, and judge whether effectively, if effectively then to select storage battery be that water pump is powered by described judgement control unit by single-chip microcomputer.By the control of PBAT control end, allow corresponding Q4, Q3 connect and be the water pump power supply.
If battery feed is invalid, then detect external step down transformer power source voltage value, and judge whether effectively by described judgement control unit by single-chip microcomputer, effectively then selecting external Ac depressor is the water pump power supply.By the control of PAC control end, allow corresponding Q6, Q5 connect and be the water pump power supply.
Get back to first step if above-mentioned port is all invalid, continue circular test, eligible up to ports having.
In addition, single-chip microcomputer can be by inside the A/D converting unit three ports of outside are carried out voltage detecting, when solar array voltage or external transformer voltage during greater than battery tension, and storage battery is lower than maximum charging voltage, single-chip microcomputer can by program keep under the water pump proper functioning according to preferential situation select a port with an amount of electric current to charge in batteries.
The good working order that the input and output of only guaranteed water pump all possess just can make water pump continue good operation, and then further prolong the working life of water pump.
More than the water pump with self-protecting function provided by the utility model is described in detail, used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. water pump with self-protecting function; it is characterized in that: comprise the water pump, rotational speed extraction circuit, detection control circuit and the switching circuit that connect successively; a power input unit is given described water pump through described switching circuit connection and power supply, and described switching circuit connects and control the output of described power input unit.
2. the water pump with self-protecting function according to claim 1; it is characterized in that: described power input unit comprises solar energy silicon wafer plate, storage battery and the ac power supply end of access arranged side by side; the input end of an A/D converting unit is connected with the ac power supply end with described solar energy silicon wafer plate, storage battery respectively; output terminal is connected with described judgement control unit; described switching circuit is the port diverter circuit, switches the output of described solar energy silicon wafer plate, storage battery, ac power supply end.
3. the water pump with self-protecting function according to claim 1 and 2; it is characterized in that: described detection control circuit comprises the rotation speed detection unit that connects successively and judges control unit; described rotation speed detection unit is carried out conversion treatment with the signal of described rotational speed extraction circuit output; send to described judgement control unit, control described switching circuit by described judgement control unit.
4. the water pump with self-protecting function according to claim 1 and 2 is characterized in that: described rotational speed extraction circuit is the amplification circuit that input end is connected to the work loop of described water pump.
5. the water pump with self-protecting function according to claim 1 and 2 is characterized in that: described detection control circuit adopts single-chip microcomputer.
6. the water pump with self-protecting function according to claim 2 is characterized in that: described ac power supply end also is connected with an external step down transformer.
7. the water pump with self-protecting function according to claim 2; it is characterized in that: described port diverter circuit comprises three tunnel handoff leg; adopt triode as switching element respectively, and be connected accordingly respectively between described solar energy silicon wafer plate, storage battery, ac power supply end and the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206944606U CN201934302U (en) | 2010-12-31 | 2010-12-31 | Self-protective water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206944606U CN201934302U (en) | 2010-12-31 | 2010-12-31 | Self-protective water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934302U true CN201934302U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206944606U Expired - Lifetime CN201934302U (en) | 2010-12-31 | 2010-12-31 | Self-protective water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934302U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN103089660A (en) * | 2011-10-31 | 2013-05-08 | 朱小雄 | Water pump with water shortage protection device |
| CN104105877A (en) * | 2011-12-07 | 2014-10-15 | 流量控制有限责任公司 | Pump using multi voltage electronics with run dry and over current protection |
| WO2021012884A1 (en) * | 2019-07-23 | 2021-01-28 | 珠海格力电器股份有限公司 | Control method and apparatus for automatically emptying water pump, corresponding device, and storage medium |
-
2010
- 2010-12-31 CN CN2010206944606U patent/CN201934302U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN103089660A (en) * | 2011-10-31 | 2013-05-08 | 朱小雄 | Water pump with water shortage protection device |
| CN104105877A (en) * | 2011-12-07 | 2014-10-15 | 流量控制有限责任公司 | Pump using multi voltage electronics with run dry and over current protection |
| CN104105877B (en) * | 2011-12-07 | 2017-09-22 | 流量控制有限责任公司 | Use the pump with idle running and the multivoltage electronic device of overcurrent protection |
| US10024325B2 (en) | 2011-12-07 | 2018-07-17 | Flow Control Llc. | Pump using multi voltage electronics with run dry and over current protection |
| WO2021012884A1 (en) * | 2019-07-23 | 2021-01-28 | 珠海格力电器股份有限公司 | Control method and apparatus for automatically emptying water pump, corresponding device, and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HAILI GROUP CO., LTD., GUANGDONG PROV. Free format text: FORMER OWNER: CHEN JUNPING Effective date: 20131219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131219 Address after: 515700 Sony Industrial Park, Xinli Road, Huanggang Town, Raoping County, Chaozhou, Guangdong Patentee after: Guangdong Haili Group Co., Ltd. Address before: 515700 Sony Industrial Park, Xinli Road, Huanggang Town, Raoping County, Chaozhou, Guangdong Patentee before: Chen Junping |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |