CN215404563U

CN215404563U - Hydrogen generator with low liquid level automatic water supply

Info

Publication number: CN215404563U
Application number: CN202023036721.8U
Authority: CN
Inventors: 郭海林
Original assignee: Jiaxing Quanpu Environmental Protection Equipment Co ltd
Current assignee: Jiaxing Quanpu Environmental Protection Equipment Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-01-04
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a hydrogen generator with low liquid level automatic water supplement, which is used for automatic water supplement and comprises a shell, an electrolytic cell, a pure water tank, a separator, a collector, a dryer and a power supply, wherein the electrolytic cell, the pure water tank, the separator, the collector, the dryer and the power supply are all arranged in the shell, the electrolytic cell comprises a circuit board and a motor M, the circuit board and the motor M are respectively and electrically connected with the power supply, the circuit board comprises an automatic water supplement circuit, and the automatic water supplement circuit comprises a water level sensor P and a timer U1. The utility model discloses a hydrogen generator with low liquid level automatic water supplement function, which can automatically monitor the liquid level in a liquid storage barrel of an electrolytic cell, when the liquid level reaches the lower limit, a motor works to pump water from a pure water tank, and when the liquid level reaches the upper limit, the motor is turned off to realize the automatic water supplement effect, and has the advantages of high efficiency, stable structure, convenience and the like.

Description

Hydrogen generator with low liquid level automatic water supply

Technical Field

The utility model belongs to the technical field of hydrogen generators, and particularly relates to a hydrogen generator with low liquid level automatic water supplement function.

Background

Hydrogen is a commonly used gas in chemical experiments and chemical detection, and a hydrogen generator is also the most commonly used hydrogen production equipment in laboratories. The working principle of the hydrogen generator for the laboratory is that hydrogen is generated by an electrolytic method, namely water is decomposed into hydrogen and oxygen under the action of direct current, the hydrogen is generated by electrolyzing water usually by taking a potassium hydroxide aqueous solution as electrolyte, only water is consumed in the process, and the potassium hydroxide solute is used for improving the conductivity of the electrolyte. After the instrument is used for a while, the electrolyte is gradually reduced, water is supplemented in time when the liquid level of the electrolyte is close to the lower limit, and only water is consumed in the process, but potassium hydroxide solute is not consumed, so that only distilled water or deionized water is required to be supplemented. If the water is not replenished in time, the electrolytic cell can be damaged when the instrument runs in short of water. However, the existing hydrogen generators always need to be checked manually and timely to replenish water, and water is easy to forget to replenish water carelessly, so that water shortage operation is caused, instruments are burnt, economic loss is caused, and work is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a hydrogen generator with low liquid level automatic water supplement function, which has the advantages of automatic monitoring of the liquid level in a liquid storage barrel of an electrolytic cell, motor operation when the liquid level reaches the lower limit, water pumping from a pure water tank, motor closing when the liquid level reaches the upper limit, realization of automatic water supplement effect, high efficiency, stable structure, convenience and the like.

In order to achieve the above object, the present invention provides a hydrogen generator with low liquid level automatic water supply, which is used for automatic water supply, and comprises a housing, an electrolytic cell, a pure water tank, a separator, a collector, a dryer and a power supply, wherein the electrolytic cell, the pure water tank, the separator, the collector, the dryer and the power supply are all arranged in the housing, the electrolytic cell comprises a circuit board and a motor M, the circuit board and the motor M are respectively electrically connected with the power supply, the circuit board comprises an automatic water supply circuit (the motor M is extracted from the pure water tank), the automatic water supply circuit comprises a water level sensor P and a timer U1, wherein:

the water level sensor comprises a water level sensor P, a timer U1, a diode D5, a capacitor C4, a switch K1, a diode D4 and a diode D4, wherein the movable end (1 pin) of the water level sensor P is electrically connected with the timer U1 sequentially through a switch K2 and a resistor R4, one path of an upper limit end (2 pins) of the water level sensor P is electrically connected with the timer U1, a lower limit end (3 pin) of the water level sensor P is electrically connected with the switch K1 sequentially through the diode D5 and the capacitor C4, a common connection end of the capacitor C4 and the diode D5 is electrically connected with the upper limit end of the water level sensor P through the diode D4, and a cathode of the diode D4 is electrically connected with the lower limit end of the water level sensor P through the capacitor C3;

an output end (5 pins) of the timer U1 is electrically connected with a control electrode of a thyristor D3 through a resistor R7, one end of the thyristor D3 is electrically connected with one end of the switch K1 close to the capacitor C4 through an alternating current contactor CJ (coil part) and a relay RJ (actuating mechanism) in sequence, and the other end of the thyristor D3 is electrically connected with an anode of a diode D5.

As a more preferable technical solution of the above technical solution, one path of the active end of the water level sensor P is electrically connected to the timer U1 through a resistor R3 and a resistor R2 in sequence, and the other path of the active end of the water level sensor P is electrically connected to the anode of the diode D5 through a resistor R3 and a resistor R5 in sequence.

As a further preferable embodiment of the above technical solution, the motor M is connected to a power supply sequentially through a relay RJ (thermal element), an ac contactor CJ (contact part), a resistor RD, and a switch DK.

As a further preferable technical solution of the above technical solution, one end of the switch K1 far away from the capacitor C4 is electrically connected to one end of the resistor RD (the resistor RD includes 3 resistors connected in parallel, and the switch K1 is electrically connected to one end of one of the resistors far away from the switch DK).

As a further preferable technical solution of the above technical solution, a capacitor C1 and a resistor R9 are connected in parallel to both ends (except for both ends of the control electrode) of the thyristor D3, and the capacitor C1 and the resistor R9 are connected in series.

Drawings

FIG. 1 is an automatic water replenishment circuit diagram of a hydrogen generator with low level automatic water replenishment according to the present invention.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

The utility model discloses a hydrogen generator with low liquid level automatic water replenishing function, and the specific embodiment of the utility model is further described by combining the preferred embodiment.

Referring to fig. 1 of the drawings, fig. 1 is an automatic water replenishing circuit diagram of a hydrogen generator with low-liquid-level automatic water replenishing according to the present invention.

In the embodiments of the present invention, those skilled in the art will note that the housing, electrolytic cell, pure water tank, power supply, and the like, which are involved in the present invention, can be regarded as the prior art.

Preferred embodiments.

The utility model discloses a hydrogen generator with low liquid level automatic water supplement, which is used for automatic water supplement and comprises a shell, an electrolytic cell, a pure water tank, a separator, a collector, a dryer and a power supply, wherein the electrolytic cell, the pure water tank, the separator, the collector, the dryer and the power supply are all arranged in the shell, the electrolytic cell comprises a circuit board and a motor M, the circuit board and the motor M are respectively and electrically connected with the power supply, the circuit board comprises an automatic water supplement circuit (the motor M is extracted from the pure water tank), the automatic water supplement circuit comprises a water level sensor P and a timer U1, and the automatic water supplement circuit comprises:

the water level sensor comprises a water level sensor P, a timer U1, a switch K2, a resistor R4, a switch U3526, a timer U1, a switch D5, a capacitor C4, a switch K1, a diode D4, a diode D4 and a resistor R4, wherein the switch K2 is arranged at the upper limit end (2 pins) of the water level sensor P, the motor M stops working when the water level reaches the upper limit, the lower limit end (3 pins) of the water level sensor P is electrically connected with the switch U1 through a diode D5 and the capacitor C4, the common end of the capacitor C4 and the diode D5 is electrically connected with the upper limit end of the water level sensor P, and the cathode of the diode D4 is electrically connected with the lower limit end of the water level sensor P through a capacitor C3;

Specifically, one path of the active end of the water level sensor P is electrically connected with the timer U1 through the resistor R3 and the resistor R2 in sequence, and the other path of the active end of the water level sensor P is electrically connected with the anode of the diode D5 through the resistor R3 and the resistor R5 in sequence.

More specifically, the motor M is connected to a power source through a relay RJ (heating element), an ac contactor CJ (contact portion), a resistor RD, and a switch DK in this order.

Further, one end of the switch K1, which is far away from the capacitor C4, is electrically connected to one end of the resistor RD (the resistor RD includes 3 resistors connected in parallel, and the switch K1 is electrically connected to one end of one of the resistors, which is far away from the switch DK).

Furthermore, a capacitor C1 and a resistor R9 are connected in parallel to two ends of the thyristor D3 (except two ends of the control electrode), and the capacitor C1 and the resistor R9 are connected in series.

It should be noted that the technical features of the housing, the electrolytic cell, the pure water tank, the power supply and the like related to the present patent application should be regarded as the prior art, the specific structure and the operation principle of the technical features and the control mode and the spatial arrangement mode which may be related to the technical features should be adopted by the conventional selection in the field, and should not be regarded as the utility model point of the present patent, and the present patent is not further specifically described.

It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a hydrogen generator with low liquid level automatic water supply for automatic water supply, includes shell, electrolytic cell, pure water case, separator, collector, desicator and power, the electrolytic cell the pure water case the separator the collector the desicator with the power is all placed in the shell, its characterized in that, the electrolytic cell includes circuit board and motor M, the circuit board with motor M respectively with power electric connection, the circuit board includes automatic water supply circuit, automatic water supply circuit includes level sensor P and timer U1, wherein:

the movable end of the water level sensor P is electrically connected with the timer U1 sequentially through a switch K2 and a resistor R4, one path of the upper limit end of the water level sensor P is electrically connected with the timer U1, the lower limit end of the water level sensor P is electrically connected with a switch K1 sequentially through a diode D5 and a capacitor C4, the common connection end of the capacitor C4 and the diode D5 is electrically connected with the upper limit end of the water level sensor P through a diode D4, and the cathode of the diode D4 is electrically connected with the lower limit end of the water level sensor P through a capacitor C3;

the output end of the timer U1 is electrically connected with the control electrode of the thyristor D3 through a resistor R7, one end of the thyristor D3 is electrically connected with one end of the switch K1 close to the capacitor C4 through an alternating current contactor CJ and a relay RJ in sequence, and the other end of the thyristor D3 is electrically connected with the anode of a diode D5.

2. The hydrogen generator with the low liquid level automatic water replenishing function according to claim 1, wherein one path of the movable end of the water level sensor P is electrically connected with the timer U1 through a resistor R3 and a resistor R2 in sequence, and the other path of the movable end of the water level sensor P is electrically connected with the anode of the diode D5 through a resistor R3 and a resistor R5 in sequence.

3. The hydrogen generator with low level automatic water supply of claim 2, wherein said motor M is connected to the power supply through a relay RJ, an ac contactor CJ, a resistor RD and a switch DK in sequence.

4. The hydrogen generator with low level automatic water supply of claim 3, wherein the switch K1 is electrically connected to the resistor RD at the end far from the capacitor C4.

5. The hydrogen generator with low liquid level automatic water supply of claim 4, wherein a capacitor C1 and a resistor R9 are connected in parallel at two ends of the thyristor D3, and the capacitor C1 and the resistor R9 are connected in series.