CN211521652U - Power supply of water treatment instrument - Google Patents
Power supply of water treatment instrument Download PDFInfo
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- CN211521652U CN211521652U CN201922437596.2U CN201922437596U CN211521652U CN 211521652 U CN211521652 U CN 211521652U CN 201922437596 U CN201922437596 U CN 201922437596U CN 211521652 U CN211521652 U CN 211521652U
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- water treatment
- controller
- circuit
- insulating box
- treatment instrument
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
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- 230000003993 interaction Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000008233 hard water Substances 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 230000002028 premature Effects 0.000 description 1
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Abstract
The utility model relates to a water treatment instrument power supply, including insulating box, last alternating current input interface, the direct current output interface and the touch-sensitive screen of being provided with of insulating box, be provided with first rectifier circuit, high frequency transformer, second rectifier circuit, controller and PWM control circuit in the insulating box, the through wires hole has been seted up on the insulating box, and water quality sensor passes through first data transmission line connection director, and first data transmission line passes from the through wires hole. The insulating box body can facilitate the arrangement and transportation of the power supply of the water treatment instrument, prevent the electrical equipment from being damaged due to external force, avoid electric shock of workers and improve the safety of the power supply; the controller can adjust the direct-current voltage output by the direct-current output interface according to the water quality condition, so that the descaling efficiency is improved; the touch screen can manually adjust the output direct-current voltage, the requirements of direct-current supply voltages of water treatment instruments with different powers or different models are met, and the applicability is improved.
Description
Technical Field
The utility model relates to a water treatment instrument power supply.
Background
Water used in daily production and life contains certain ions such as calcium and magnesium, and the water containing the ions is called hard water. Hard water is a ubiquitous phenomenon, and during the use of hard water, calcium, magnesium and other ions in water can be deposited to generate scale. In a boiler hot water system, an evaporative cooling system, a heat exchanger, a water pipe and a valve, the generated scale may cause problems such as reduction in heat energy utilization efficiency, reduction in water flow transfer capacity, premature breakage of water using devices such as pipes, and more seriously, also cause danger such as boiler explosion.
In order to prevent and eliminate scale on the inner wall of heat exchanger and water pipeline, chemical detergent is added into hard water. Today, where environmental protection is more and more important, the method of using chemical descaling agents is gradually eliminated, and water treatment instruments are used instead for descaling, such as: the water treatment instrument generates magnetic resonance, and further realizes the purpose of descaling.
The water treatment instrument needs to be powered by a direct-current power supply, under the common condition, the higher the direct-current power supply voltage of the water treatment instrument is, the higher the treatment efficiency of the water treatment instrument is, and in addition, the direct-current power supply voltages of the water treatment instruments with different powers or different models are different under many conditions. However, the power supply of the existing water treatment instrument can only provide direct current with fixed voltage for the water treatment instrument, and the direct current power supply voltage of the water treatment instrument cannot be controlled according to the water quality condition, so that the power is adjusted, and the descaling efficiency is low; in addition, the power supply device can not supply power for various water treatment instruments, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water treatment instrument power supply for solve current water treatment instrument power supply and can lead to the poor problem of scale removal inefficiency and suitability.
In order to solve the problem, the utility model adopts the following technical scheme:
a power supply for a water treatment instrument comprises an insulating box body, an alternating current input interface, a direct current output interface, a first rectifying circuit, a high-frequency transformer, a second rectifying circuit, a controller, a touch screen, a PWM control circuit and a water quality sensor;
the alternating current input interface, the direct current output interface and the touch screen are arranged on the insulating box body, the first rectifying circuit, the high-frequency transformer, the second rectifying circuit, the controller and the PWM control circuit are arranged in the insulating box body, and a threading hole is formed in the insulating box body;
the high-frequency transformer comprises a primary side circuit and a secondary side winding, wherein the primary side circuit is provided with the primary side winding and an electronic switching device in series;
the alternating current input interface is connected with the alternating current side of the first rectifying circuit, the direct current side of the first rectifying circuit is connected with the primary side circuit of the high-frequency transformer, the secondary side winding of the high-frequency transformer is connected with the alternating current side of the second rectifying circuit, and the direct current side of the second rectifying circuit is connected with the direct current output interface;
the touch screen is connected with the interaction end of the controller, the water quality sensor is used for detecting the water quality of water to be treated, the water quality sensor is connected with the signal input end of the controller through a first data transmission line, and the first data transmission line penetrates through the threading hole;
the PWM control circuit includes the opto-coupler, the PWM signal output part of controller connects the input of the photic ware of opto-coupler, the output ground connection of the photic ware of opto-coupler, the input of the illuminator of opto-coupler connects the power VCC, the output of the illuminator of opto-coupler is connected the control end of electronic switch device.
Optionally, the water quality sensor comprises a conductivity sensor and a metal ion sensor.
Optionally, the power supply of the water treatment instrument further includes a wireless communication module, a voltage sensor and a temperature sensor, the wireless communication module and the voltage sensor are disposed in the insulating box, the voltage sensor is disposed on the dc side of the second rectification circuit and is configured to detect an output dc voltage, the voltage sensor is connected to a signal input end of the controller, and the wireless communication module is connected to a communication end of the controller;
the temperature sensor is used for detecting the water temperature of water to be treated, the temperature sensor is connected with the signal input end of the controller through a second data transmission line, and the second data transmission line penetrates through the threading hole.
Optionally, a self-reset fuse is disposed between the ac input interface and the ac side of the first rectification circuit.
The utility model has the advantages that: the water treatment instrument power supply is provided with the insulating box body, the alternating current input interface for accessing alternating current, the direct current output interface for supplying power and connecting the water treatment instrument and the touch screen are arranged on the insulating box body, and other related electrical equipment is arranged in the insulating box body, so that the water treatment instrument power supply can be conveniently arranged and transported, the electrical equipment can be prevented from being damaged due to external force, electric shock of workers can be avoided, and the safety of the power supply is improved; the water quality sensor detects the water quality of water to be treated, the controller correspondingly adjusts the PWM duty ratio output by the PWM control circuit according to the water quality condition, and then adjusts the direct current voltage output by the direct current output interface, when high-power operation is required, the direct current voltage is increased, when low-power operation is required, the direct current voltage is reduced, the power can be adjusted through the mode, and the descaling efficiency is improved; the PWM duty ratio output by the PWM control circuit can be manually adjusted by operating the touch screen, the output direct current voltage can be adjusted according to actual needs, the requirements of direct current supply voltages of water treatment instruments with different powers or different models are met, power can be supplied to various water treatment instruments, and the applicability is improved; when the water treatment instrument needs to be connected, the water treatment instrument is directly connected with the direct current output interface, so that the operation is convenient and fast, when the water treatment instrument is replaced, the connection is directly disconnected, and another water treatment instrument is directly connected with the direct current output interface, so that the operation convenience and the replacement efficiency are improved; the specific structure of the PWM control circuit can improve the reliability of the PWM signal, so that an electronic switching device in the high-frequency transformer can effectively respond to the PWM signal, and the reliability of power supply conversion is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
FIG. 1 is a structural diagram of an insulation box of a power supply of the water treatment instrument;
FIG. 2 is a schematic diagram of the power supply structure of the water treatment apparatus of the present invention;
FIG. 3 is a circuit diagram of a connection of a touch screen;
FIG. 4 is a PWM control circuit diagram;
FIG. 5 is a schematic diagram of a high frequency transformer;
fig. 6 is a structural diagram of the first rectifier circuit.
Detailed Description
In order to make the technical purpose, technical solutions and advantageous effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to fig. 1 to 6 and specific embodiments.
As shown in figure 1, the power supply of the water treatment instrument comprises an insulating box body 1, and the insulating box body 1 can be made of insulating plastics. An alternating current input interface 2, a direct current output interface 3 and a touch screen 4 are arranged on the insulating box body 1, and the positions of the alternating current input interface 2, the direct current output interface 3 and the touch screen 4 on the insulating box body 1 are not limited. The alternating current input interface 2 and the direct current output interface 3 are both conventional power interfaces. In this embodiment, insulation box 1 is the cuboid structure, including top plate, downside board, left side board, right side board, top plate and downside board, and alternating current input interface 2 sets up on the left side board, and direct current output interface 3 sets up on the right side board, and touch-sensitive screen 4 sets up in the front on the curb plate. The upper side plate of the insulation box body 1 is provided with a threading hole 5, and the size and the specific position of the threading hole are set according to actual needs.
The power supply of the water treatment instrument further comprises a controller 6, a PWM control circuit 7, a first rectifying circuit 8, a high-frequency transformer 9, a second rectifying circuit 10 and a water quality sensor 11, wherein the controller 6, the PWM control circuit 7, the first rectifying circuit 8, the high-frequency transformer 9 and the second rectifying circuit 10 are arranged in the insulating box body 1 and can be fixed through corresponding fixing mechanisms. As shown in fig. 2, the ac input interface 2 is used for connecting to the commercial power, the ac input interface 2 is connected to the ac side of the first rectification circuit 8, the dc side of the first rectification circuit 8 is connected to the primary side circuit of the high-frequency transformer 9, the secondary side winding of the high-frequency transformer 9 is connected to the ac side of the second rectification circuit 10, and the dc side of the second rectification circuit 10 is connected to the dc output interface 3. The touch screen 4 is connected with the interactive end of the controller 6, and the touch screen 4 can display relevant parameters, such as: the input of related control instructions, such as voltage regulation control instructions, can also be realized, fig. 3 shows a specific connection circuit structure of the touch screen 4, which includes an RS232 communication chip U6, an input side of the RS232 communication chip U6 is connected with the controller 6, an output side of the RS232 communication chip U6 is connected with the touch screen 4, and the circuit further includes components such as a capacitor C21, a capacitor C22, a capacitor C23, and a capacitor C24.
The water quality sensor 11 is used for being placed in the water to be treated so as to detect the water quality of the water to be treated. The water quality sensor 11 may be a conventional water quality parameter detecting device, and in this embodiment, the water quality sensor 11 includes a conductivity sensor and a metal ion sensor, and is configured to detect conductivity, metal ion content and other parameters of the water to be treated. The water quality sensor 11 is connected to the signal input terminal of the controller 6 through a first data transmission line which passes through the threading hole 5.
The controller 6 may be a conventional control chip such as a single chip or a PLC.
As shown in fig. 4, the PWM control circuit 7 includes an optocoupler Q2, a PWM signal output terminal (for outputting an initial PWM signal) of the controller 6 is connected to an input terminal of a light receiver of the optocoupler Q2, an output terminal of the light receiver of the optocoupler Q2 is grounded, and an input terminal of a light emitter of the optocoupler Q2 is connected to a power VCC. The specific circuit structure of the PWM control circuit 7 can improve the reliability of the PWM signal, so that the high-frequency transformer 9 can effectively respond to the PWM signal, thereby improving the reliability of power conversion.
The power source VCC in this embodiment can directly take power from the power supply source, and then, a DC/DC converter is further provided in the insulating box 1, the power source VCC is provided by the DC/DC converter, an input end of the DC/DC converter is connected to a direct current side of the first rectifying circuit 8, and an output end of the DC/DC converter outputs the power source VCC; of course, the power source VCC may also be provided by a storage battery provided in the insulating case 1.
The high-frequency transformer 9 includes a primary circuit and a secondary winding T2, and as shown in fig. 5, the primary circuit is connected in series with a primary winding T1 and an electronic switching device Q1, wherein the electronic switching device Q1 may be a MOS transistor. The output end of a light emitter of the optocoupler Q2 is connected with the control end of the electronic switching device Q1. The output of the high frequency transformer 9 can be adjusted by controlling the duty ratio of the PWM signal input to the electronic switching device Q1.
The first rectifier circuit 8 and the second rectifier circuit 10 may each be a conventional rectifier circuit, such as a full bridge rectifier circuit. Fig. 6 shows a specific circuit configuration of the first rectification circuit 8. Furthermore, in order to prevent the quality of the output voltage from being affected by the electromagnetic interference in the utility power, the ac side of the first rectification circuit 8 may be further provided with an EMC filter circuit including a common mode inductor and a filter capacitor. Then, the ac side of the first rectifying circuit 8 is connected to the output terminal of the EMC filter circuit, and the dc side of the first rectifying circuit 8 is further provided with filter regulator capacitors Cx5 and C1.
In order to perform real-time interaction with a background, the power supply of the water treatment instrument also comprises a wireless communication module 13, and the wireless communication module 13 can be a 4G module; in order to detect the water temperature of the water to be treated, the power supply of the water treatment apparatus further comprises a temperature sensor 12, the temperature sensor 12 can be a conventional sensor for detecting the water temperature, and when the detected water temperature is too high, the controller 6 can perform corresponding operations, such as: controlling to stop the voltage output or reduce the voltage output; in order to detect the output voltage of the water treatment instrument power supply, the water treatment instrument power supply further comprises a voltage sensor 14, the voltage sensor 14 can be a conventional detecting device for detecting a direct current voltage, and when the voltage sensor 14 detects that the voltage is too high, the controller 6 can perform corresponding operations, such as: and the voltage output is controlled to be stopped or reduced, so that the power supply safety is ensured.
The wireless communication module 13 and the voltage sensor 14 are provided in the insulating case 1, and the voltage sensor 14 is provided on the dc side of the second rectifier circuit 10. The wireless communication module 13 is connected with a communication end of the controller 6, and the voltage sensor 14 is connected with a signal input end of the controller 6. The temperature sensor 12 is connected to the signal input of the controller 6 via a second data transmission line which passes through the threading hole 5.
In order to improve the circuit safety and prevent safety accidents caused by overlarge current, a self-resetting fuse 15 is arranged between the alternating current input interface 2 and the alternating current side of the first rectifying circuit 8, and the self-resetting fuse 15 can be used for multiple times, so that the cost and the maintenance frequency are reduced.
The alternating current input interface 2 and the direct current output interface 3 are arranged on the insulating box body 1, when the power supply is used, commercial power is connected to the alternating current input interface 2, and the water treatment instrument is connected with the direct current output interface 3, so that the connection between the commercial power and the water treatment instrument is facilitated; other relevant electrical equipment sets up in insulating box 1, can prevent that electrical equipment from causing the damage because of external force, moreover, can also prevent that the staff from leading to electrocuteeing because of touching electrical equipment, promotes the security.
The water quality sensor 11 detects the water quality of the water to be treated, the controller 6 correspondingly adjusts the PWM duty ratio output by the PWM control circuit 7 according to the water quality condition, the on-time and the frequency of the electronic switching device Q1 are correspondingly changed, and then the direct current voltage output by the direct current output interface 3 is adjusted: when the water quality is poor, the water treatment instrument needs high-power operation, and then the direct-current voltage is controlled to be increased; when the water quality is not very poor, the water treatment instrument needs low power to operate, and then the direct current voltage is controlled to be reduced. The power of the water treatment instrument can be adjusted through the mode, and then the descaling efficiency of the water treatment instrument is improved.
When the voltage of the water treatment instrument which is accessed again is different from the voltage of the previous water treatment instrument, the voltage regulation control instruction can be output by operating the touch screen 4, and when the controller 6 receives the voltage regulation control instruction, the PWM duty ratio output by the PWM control circuit 7 is controlled and regulated, so that the direct-current voltage output is manually regulated according to actual needs, and the output direct-current voltage meets the requirement. Therefore, the power supply can meet the requirements of direct current supply voltage of water treatment instruments of different powers or different models, can supply power for various different water treatment instruments, and improves the applicability.
When the water treatment instrument is connected to needs, direct current output interface 3 is connected with the water treatment instrument directly, and convenient and fast when the water treatment instrument needs to be changed, direct disconnection, it can directly connect another water treatment instrument with direct current output interface 3 again, promote the simple operation nature and change efficiency.
It should be noted that, the protection in this embodiment is the hardware structure of the power supply of the water treatment apparatus, and is not limited to the control strategies in the power supply of the water treatment apparatus, and these control strategies are all conventional technical means. The embodiment is not constrained by the control strategy in the power supply of the water treatment instrument.
The above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (4)
1. A power supply for a water treatment instrument is characterized by comprising an insulating box body, an alternating current input interface, a direct current output interface, a first rectifying circuit, a high-frequency transformer, a second rectifying circuit, a controller, a touch screen, a PWM control circuit and a water quality sensor;
the alternating current input interface, the direct current output interface and the touch screen are arranged on the insulating box body, the first rectifying circuit, the high-frequency transformer, the second rectifying circuit, the controller and the PWM control circuit are arranged in the insulating box body, and a threading hole is formed in the insulating box body;
the high-frequency transformer comprises a primary side circuit and a secondary side winding, wherein the primary side circuit is provided with the primary side winding and an electronic switching device in series;
the alternating current input interface is connected with the alternating current side of the first rectifying circuit, the direct current side of the first rectifying circuit is connected with the primary side circuit of the high-frequency transformer, the secondary side winding of the high-frequency transformer is connected with the alternating current side of the second rectifying circuit, and the direct current side of the second rectifying circuit is connected with the direct current output interface;
the touch screen is connected with the interaction end of the controller, the water quality sensor is used for detecting the water quality of water to be treated, the water quality sensor is connected with the signal input end of the controller through a first data transmission line, and the first data transmission line penetrates through the threading hole;
the PWM control circuit includes the opto-coupler, the PWM signal output part of controller connects the input of the photic ware of opto-coupler, the output ground connection of the photic ware of opto-coupler, the input of the illuminator of opto-coupler connects the power VCC, the output of the illuminator of opto-coupler is connected the control end of electronic switch device.
2. The water treatment instrument power supply of claim 1, wherein the water quality sensor comprises a conductivity sensor and a metal ion sensor.
3. The water treatment instrument power supply of claim 1, further comprising a wireless communication module, a voltage sensor and a temperature sensor, wherein the wireless communication module and the voltage sensor are arranged in the insulating box, the voltage sensor is arranged on the direct current side of the second rectifying circuit and is used for detecting the output direct current voltage, the voltage sensor is connected with the signal input end of the controller, and the wireless communication module is connected with the communication end of the controller;
the temperature sensor is used for detecting the water temperature of water to be treated, the temperature sensor is connected with the signal input end of the controller through a second data transmission line, and the second data transmission line penetrates through the threading hole.
4. A water treatment instrument supply source as claimed in claim 1, characterized in that a self-healing fuse is provided between the ac input interface and the ac side of the first rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922437596.2U CN211521652U (en) | 2019-12-30 | 2019-12-30 | Power supply of water treatment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922437596.2U CN211521652U (en) | 2019-12-30 | 2019-12-30 | Power supply of water treatment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211521652U true CN211521652U (en) | 2020-09-18 |
Family
ID=72448009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922437596.2U Expired - Fee Related CN211521652U (en) | 2019-12-30 | 2019-12-30 | Power supply of water treatment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211521652U (en) |
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2019
- 2019-12-30 CN CN201922437596.2U patent/CN211521652U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |