CN220527883U - Waterproof power supply of water purifier - Google Patents
Waterproof power supply of water purifier Download PDFInfo
- Publication number
- CN220527883U CN220527883U CN202322191162.5U CN202322191162U CN220527883U CN 220527883 U CN220527883 U CN 220527883U CN 202322191162 U CN202322191162 U CN 202322191162U CN 220527883 U CN220527883 U CN 220527883U
- Authority
- CN
- China
- Prior art keywords
- circuit
- power supply
- water purifier
- circuit board
- water
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 230000001629 suppression Effects 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000012945 sealing adhesive Substances 0.000 claims description 2
- 239000008400 supply water Substances 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 208000031361 Hiccup Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a waterproof power supply of a water purifier, which comprises a waterproof shell and a circuit board arranged in the waterproof shell, wherein the circuit board comprises an interference suppression circuit, a rectifying and filtering circuit, a transformer, an integrated PWM circuit and an output circuit which are connected through circuit board wiring; the interference suppression circuit comprises a fuse, a thermistor, a piezoresistor and a filter which are connected through circuit board wiring; the rectifying and filtering circuit comprises a rectifying bridge pile, an electrolytic capacitor and a magnetic ring inductor which are connected through circuit board wiring; the integrated PWM circuit comprises KP201 units. Compared with the prior art, the method has the advantages that: the utility model discloses an adopt flyback switch mode, power IC adopts must easy little KP201 to direct current output end power supply water purifier water pump, thereby realize that transient state draws water and need the heavy current mode, realize optimizing cost, increase product application stability purpose.
Description
Technical Field
The utility model relates to the technical field of power supplies, in particular to a waterproof power supply of a water purifier.
Background
With the improvement of living standard, people are paying more attention to water quality sanitation, and the household water purifier has become a trend. At present, the switch power supply is widely applied to different occasions, the switch power supply is correspondingly developed and designed according to different customer requirements, and with the wide application of the purifier, the requirements of customers on the quality of household drinking water are gradually increased, and the market demands on high-quality water quality are wider, so that the switch power supply for the water purifier with high stability needs to be developed.
Disclosure of Invention
The utility model aims to solve the technical problems and provide a waterproof power supply for a water purifier.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the waterproof power supply of the water purifier comprises a waterproof shell and a circuit board arranged in the waterproof shell, wherein the circuit board comprises an interference suppression circuit, a rectifying and filtering circuit, a transformer, an integrated PWM circuit and an output circuit which are connected through circuit board wiring; the interference suppression circuit comprises a fuse, a thermistor, a piezoresistor and a filter which are connected through circuit board wiring; the rectifying and filtering circuit comprises a rectifying bridge pile, an electrolytic capacitor and a magnetic ring inductor which are connected through circuit board wiring; the integrated PWM circuit comprises KP201 units.
As an improvement, one end of a fuse in the interference suppression circuit is connected with one end of a piezoresistor through a thermistor, and is connected with an electrolytic capacitor, and the other end of the piezoresistor is connected with the other end of the electrolytic capacitor, and is connected with a filter.
As an improvement, the type of a rectifier bridge stack in the rectifier filter circuit is ABS210, and the electrolytic capacitor and the magnetic ring inductor form a filter CLC circuit.
As an improvement, the transformer comprises a transformer conversion unit, a PQ2620 framework is adopted, and a magnetic core is arranged in the transformer. Can meet the power requirement of 60W and below.
As an improvement, the output circuit comprises an electrolytic capacitor and a dummy load. The electrolytic capacitor makes the output ripple smaller, and the dummy load makes the work light turn off faster.
As an improvement, the KP201 unit in the integrated PWM circuit employs an SOT23-6L package. The KP201 unit is a circuit which adopts a fixed switching frequency of 65KHz, works in a green power saving mode and a hiccup mode, adopts a frequency jitter function to optimize EMI, integrates current mode control of internal slope compensation, simultaneously has protection functions of OVP/OLP/OTP/SCP and the like, and starts a built-in totem circuit to effectively optimize a product radiation system
As an improvement, the waterproof shell consists of a pair of shells which are fixedly connected, and a waterproof sealing rubber strip is arranged on the outer side of the joint of the two shells in a surrounding mode. So that the utility model has the waterproof function.
Compared with the prior art, the utility model has the advantages that: the utility model discloses an adopt flyback switch mode, power IC adopts must easy little KP201 to direct current output end power supply water purifier water pump, thereby realize that transient state draws water and need the heavy current mode, realize optimizing cost, increase product application stability purpose.
Drawings
Fig. 1 is a schematic diagram of a water-proof power supply of a water purifier according to the present utility model.
Fig. 2 is a schematic circuit diagram of a waterproof power supply of a water purifier according to the present utility model.
Fig. 3 is a schematic diagram showing a front view of a waterproof case of a waterproof power supply of a water purifier according to the present utility model.
Fig. 4 is a schematic side view of a waterproof case of a waterproof power supply of a water purifier according to the present utility model.
As shown in the figure: 1. a waterproof housing; 2. an interference suppression circuit; 3. a rectifying and filtering circuit; 4. a transformer; 5. an integrated PWM circuit; 6. an output circuit; 7. and a waterproof sealing rubber strip.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model provides a waterproof power of water purifier, includes waterproof housing 1 and sets up in the inside circuit board of waterproof housing 1, the circuit board includes interference suppression circuit 2, rectification filter circuit 3, transformer 4, integrated PWM circuit 5 and output circuit 6 that link to each other through the circuit board wiring.
The interference suppression circuit 2 includes a fuse, a thermistor, a varistor, and a filter connected by circuit board wiring. Specifically, one end of a fuse in the interference suppression circuit 2 is connected with one end of a piezoresistor through a thermistor, and is connected with an electrolytic capacitor, and the other end of the piezoresistor is connected with the other end of the electrolytic capacitor and is linked with a filter.
The rectifying and filtering circuit 3 comprises a rectifying bridge pile, an electrolytic capacitor and a magnetic ring inductor which are connected through circuit board wiring. Specifically, the type of the rectifier bridge stack in the rectifier filter circuit 3 is ABS210, and the electrolytic capacitor and the magnetic ring inductor form a filter CLC circuit.
The integrated PWM circuit 5 comprises KP201 units. Specifically, the KP201 unit in the integrated PWM circuit 5 is packaged by SOT 23-6L.
Specifically, the transformer 4 includes a transformer conversion unit, and a PQ2620 skeleton is adopted, and a magnetic core is disposed in the transformer 4.
Specifically, the output circuit 6 includes an electrolytic capacitor and a dummy load.
Specifically, the waterproof housing 1 is composed of a pair of shells which are fixedly connected, and a waterproof sealing adhesive tape 7 is arranged on the outer side of the joint of the two shells in a surrounding mode.
The utility model is implemented in particular:
this novel KP201 chip adopts flyback switch mode to direct current output end power supply water purifier water pump, thereby realize that transient state draws water and need the heavy current mode, realize optimizing cost, increase product application stability purpose. The KP201 chip is a high-performance current/voltage mode PWM controller aiming at an offline flyback transformer, integrates the protection function of a self-recovery mode, and can meet the ultra-low starting requirement.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides a waterproof power of water purifier, includes waterproof housing (1) and sets up in the inside circuit board of waterproof housing (1), its characterized in that:
the circuit board comprises an interference suppression circuit (2), a rectifying and filtering circuit (3), a transformer (4), an integrated PWM circuit (5) and an output circuit (6) which are connected through circuit board wiring;
the interference suppression circuit (2) comprises a fuse, a thermistor, a piezoresistor and a filter which are connected through circuit board wiring;
the rectifying and filtering circuit (3) comprises a rectifying bridge pile, an electrolytic capacitor and a magnetic ring inductor which are connected through circuit board wiring;
the integrated PWM circuit (5) comprises KP201 units.
2. The water-resistant power supply of water purifier as recited in claim 1, wherein: one end of a fuse in the interference suppression circuit (2) is connected with one end of a piezoresistor through a thermistor, and is connected with an electrolytic capacitor, and the other end of the piezoresistor is connected with the other end of the electrolytic capacitor and is connected with a filter.
3. The water-resistant power supply of water purifier as recited in claim 1, wherein: the type of the rectifier bridge stack in the rectifier filter circuit (3) is ABS210, and the electrolytic capacitor and the magnetic ring inductor form a filter CLC circuit.
4. The water-resistant power supply of water purifier as recited in claim 1, wherein: the transformer (4) comprises a transformer conversion unit, a PQ2620 framework is adopted, and a magnetic core is arranged in the transformer (4).
5. The water-resistant power supply of water purifier as recited in claim 1, wherein: the output circuit (6) comprises an electrolytic capacitor and a dummy load.
6. The water-resistant power supply of water purifier as recited in claim 1, wherein: KP201 units in the integrated PWM circuit (5) are packaged by SOT 23-6L.
7. The water-resistant power supply of water purifier as recited in claim 1, wherein: the waterproof shell (1) consists of a pair of shells which are fixedly connected, and a waterproof sealing adhesive tape (7) is arranged on the outer side of the joint of the two shells in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191162.5U CN220527883U (en) | 2023-08-15 | 2023-08-15 | Waterproof power supply of water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322191162.5U CN220527883U (en) | 2023-08-15 | 2023-08-15 | Waterproof power supply of water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527883U true CN220527883U (en) | 2024-02-23 |
Family
ID=89937012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322191162.5U Active CN220527883U (en) | 2023-08-15 | 2023-08-15 | Waterproof power supply of water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527883U (en) |
-
2023
- 2023-08-15 CN CN202322191162.5U patent/CN220527883U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108512431B (en) | Double rectification alternating expression full-bridge single stage power factor correction power circuits and control method | |
| CN202004651U (en) | Switching power supply circuit for flyback structure | |
| CN108521223B (en) | Switching power circuit | |
| TWM463003U (en) | A flyback switching power supply circuit | |
| CN206595898U (en) | Secondary inverse-excitation type switch power-supply based on SP6650 | |
| CN202004650U (en) | Switch power supply circuit of flyback structure | |
| CN201811993U (en) | Three-phase four-line low-power energy meter with switching power supply | |
| CN220527883U (en) | Waterproof power supply of water purifier | |
| CN203618173U (en) | LED lamp driving power based on primary side feedback | |
| CN209571955U (en) | A kind of power circuit | |
| CN201750602U (en) | Drive power source of LED daylight lamp | |
| CN105305854A (en) | LED illumination driving power supply system for high-voltage AC system | |
| CN202679247U (en) | Switch power supply circuit and set-top box | |
| US20030006874A1 (en) | Winding structure of inductor used in power factor correction circuit | |
| CN212412839U (en) | Dual-power control circuit applied to navigation positioning terminal | |
| CN207234665U (en) | A kind of power supply circuit and Switching Power Supply of pulse width modulation chip | |
| CN201674402U (en) | Switch power circuit | |
| CN220711162U (en) | Contact pin structure charger | |
| CN212726879U (en) | Control circuit of switching power supply device and switching power supply device | |
| CN220527727U (en) | Low-cost power adapter | |
| CN111525783A (en) | Converter and switch mode power supply | |
| CN110972361A (en) | APFC switching power supply | |
| CN205622248U (en) | Usb charging circuit and socket thereof | |
| CN110071646A (en) | Exchange turns high direct voltage radiator fan | |
| CN219351552U (en) | Control circuit of passive PFC circuit converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |