CN210120189U - Automatic liquid filler for storage battery - Google Patents

Abstract

An automatic liquid filler for a storage battery comprises a pump body, a corrugated water pipe, a control panel, a power management chip, a battery and a pressure switch; the pump body is connected with the corrugated water pipe and used for drawing demineralized water or electrolyte; the corrugated water pipe is connected with the output port of the pump body and is used for guiding the desalted water to a liquid feeding port of the storage battery; the control panel is connected with the pump body and used for receiving a switching signal to control the output state; the power management chip is connected with the control panel and used for managing the electric quantity of the battery and supplying power to the control panel; the battery is connected with the power management chip and used for storing electric energy to supply power; and the pressure switch is connected with the control board, is fixed on the inner surface of the water outlet of the corrugated water pipe and is used for detecting the liquid level of the storage battery so as to output a switch signal to the control board. The device can effectively prevent the overflow of the desalted water or the electrolyte in the liquid adding process, and improves the working efficiency and the safety level of the liquid adding of the storage battery.

Description

Automatic liquid filler for storage battery

Technical Field

The utility model belongs to the technical field of the battery is maintained, especially, relate to an automatic liquid feeder of battery.

Background

The operation of the nuclear power station cannot be separated from a direct current power supply, the control power supply used by each system is the direct current power supply, the direct current power supply is equivalent to the energy supply center of a nervous system of the nuclear power station, the direct current power supply takes a storage battery as a core, and the safety operation of the nuclear power station is guaranteed due to the existence of a large number of storage batteries in the system.

According to the maintenance requirement of the storage battery in the nuclear power plant, in order to ensure that the storage battery is in a normal operation state, the storage battery is required to be checked once a month during daily maintenance, the electrolyte specific gravity and the electrolyte level height of the storage battery are required to be checked every time, and for the liquid level lower than the minimum liquid level identification line of the storage battery, the storage battery needs to be supplemented with desalted water according to the maintenance requirement of the storage battery. The temperature is high throughout the year seen by a plurality of nuclear power bases in the south at present, so that the volatilization speed of electrolyte of a plurality of storage batteries is high, the condition of adding required liquid can be caused every time of monthly examination, and the liquid adding quantity reaches hundreds of liters every time because each group of storage batteries has large capacity and a large number of batteries.

In the process of adding liquid to the storage battery, the desalted water to be used is conveyed to the storage battery workshop, and then the storage battery liquid adding cover to be added with liquid is opened. One person hand-held funnel and put the battery filling opening with the funnel export in the liquid feeding, one person is with flashlight to battery internal lighting, and inform another person to scoop out the demineralized water from bucket the inside and pour into the funnel, the people of hand-held funnel need observe the funnel liquid level condition this time, notice the personnel control speed that adds water, it is excessive to avoid the rivers, overflow the funnel, the personnel that the inside liquid level of battery was observed to hand-held flashlight will notice the battery liquid level height, and inform the personnel that add water speed and add the water yield, avoid adding more or adding less. The whole liquid adding process needs three persons to cooperate at least, and still has the following risks:

1. the funnel control is adopted, if the funnel does not centralize water, the water overflows to the ground from the side surface, the risk of the water accumulated on the ground slipping down to a person exists, and the water overflows to the position between two poles on the outer surface of the battery, so that the self-discharge between battery poles is also caused;

2. water adding personnel can spill water to the outside in the process of scooping water from the bucket and adding the water to the funnel, the water adding personnel is high in speed and can overflow the funnel, a large amount of water can possibly enter the storage battery, and therefore the electrolyte in the storage battery can overflow together (the electrolyte has the risk of burning, namely industrial safety risk), the speed is low, and the water adding time is too long;

3. the personnel in charge of illumination must observe the inside liquid level height of battery, send the speed instruction of adding water to the personnel of adding water according to the speed that the liquid level improves, and the instruction of stopping adding water is slow, probably adds water the time overlength and leads to the inside liquid level of battery too high, stops adding water the instruction of fast and probably adds water the time overlength and can not reach the liquid level requirement that needs.

In conclusion, the traditional liquid filler for the storage battery mainly depends on manual operation, so that multiple persons need to participate in cooperative work in the whole liquid adding process, and the persons need to communicate with each other for multiple times, so that the working time is prolonged, and the working efficiency is low; if any link in a plurality of links of communicating that exist in the liquid feeding process goes wrong, all can lead to demineralized water to spill over or electrolyte spills over, causes the industrial safety risk, causes the harm to people's health and equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic liquid feeder of battery aims at solving traditional battery liquid feeder work efficiency and low and the liquid feeding in-process has the problem of industrial safety risk.

In a first aspect, an embodiment of the present disclosure provides an automatic liquid feeder for a storage battery, including a pump body, a corrugated water pipe, a control board, a power management chip, a battery, and a pressure switch; the pump body is used for drawing demineralized water or electrolyte; the corrugated water pipe is connected with the output port of the pump body and is used for guiding the demineralized water or the electrolyte to a liquid filling port of the storage battery; the control panel is connected with the pump body and used for receiving a switching signal to control the output state; the power management chip is connected with the control panel and used for managing the electric quantity of the battery and supplying power to the control panel; the battery is connected with the power management chip and used for storing electric energy to supply power; and the pressure switch is connected with the control panel, is fixed in the water outlet of the corrugated water pipe and is used for detecting and outputting a switch signal to the control panel based on the liquid level of the storage battery.

In-process at the battery liquid feeding, when the liquid level risees pressure switch's action threshold value, pressure switch output switch signal to control panel, the control panel is according to this switching signal, and the control pump body stops liquid feeding work to solved the demineralized water that liquid feeding in-process human factor caused and spilled over or electrolyte and spilled over, the battery liquid feeder work efficiency that leads to is low and there is the problem of industrial safety risk in the liquid feeding in-process.

In combination with the first aspect, the present disclosure provides in a first implementation manner of the first aspect, the automatic liquid filler for a storage battery further includes a liquid level adjusting ring, which is sleeved outside the water outlet and used for adjusting a length of the water outlet penetrating into the liquid filling opening of the storage battery.

The inside degree of depth of liquid level adjustable ring through the adjustment delivery port inserted the battery to the liquid level height when liquid feeding in-process need stop is treated in the regulation, with the liquid level height demand that satisfies battery liquid feeding in-process difference.

With reference to the first implementation manner of the first aspect, the present disclosure provides in a second implementation manner of the first aspect, the liquid level adjusting ring is provided with a locking device for positioning a relative position between the liquid level adjusting ring and the corrugated water pipe.

The locking device can better keep the relative position between the liquid level adjusting ring and the corrugated water pipe, and the relative position between the liquid level adjusting ring and the corrugated water pipe is kept consistent under the condition that the liquid level heights of a plurality of storage batteries needing liquid filling are the same.

With reference to the first aspect, the first implementation manner of the first aspect, or the second implementation manner of the first aspect, in a third implementation manner of the first aspect, the disclosure further includes a cabin connected to the bellows water pipe for accommodating the control board, the power management chip, and the battery.

The bottom surface of the cabin is provided with a pipe groove matched with the corrugated water pipe, and the corrugated water pipe can penetrate through the pipe groove and is arranged in the pipe groove; therefore, the space position of the corrugated water pipe in the liquid adding process is adjusted and maintained through the cabin, and the liquid adding process is smoother.

With reference to the third implementation manner of the first aspect, in a fourth implementation manner of the first aspect, the disclosure further includes a handle, fixedly connected to the cabin, configured to lift the cabin and stabilize the corrugated water pipe through the cabin.

The handle has the function of conveniently lifting and placing the cabin, so that the space position of the corrugated water pipe is more conveniently adjusted through the cabin; and provides convenient conditions for saving manpower for liquid adding work.

With reference to the first aspect, the first implementation manner of the first aspect, or the second implementation manner of the first aspect, in a fifth implementation manner of the first aspect, the automatic liquid filler for a storage battery further includes an LED lamp, which is disposed on the handle, connected to the control board, and configured to observe a liquid level of the storage battery; and the button switch is arranged on the handle, is connected with the control panel, is used for generating a manual switch signal and outputs the manual switch signal to the control panel to control the LED lamp and the pump body to work.

The switch signal output of button switch exports to the control panel, and the control panel decides whether to export the required working power of LED lamp and pump body according to this switch signal's level height to the operating condition of control LED lamp and pump body.

With reference to the fifth implementation manner of the first aspect, in a sixth implementation manner of the first aspect, the LED lamp is provided with a condensing lens and is subjected to explosion-proof treatment.

The condensing lens enables the liquid to be more condensed, so that the liquid level height of the storage battery can be accurately observed under the condition of poor ambient light; the explosion-proof treatment can improve the service life and the safety level of the explosion-proof treatment in the nuclear plant environment.

With reference to the first aspect, or the first implementation manner of the first aspect, or the second implementation manner of the first aspect, in a seventh implementation manner of the first aspect, the automatic liquid charger for a storage battery further includes a charging interface, connected to the power management chip, and configured to connect to an external power source for charging; and the charging indicator light is connected with the power management chip and is used for indicating the charging state of the battery.

An external power supply supplies power to a power management chip through a charging interface, the power management chip detects the voltage of a battery to determine whether the battery needs to be charged or not, and accordingly, the battery is protected, for example, the charging can be automatically stopped when the battery is fully charged to prevent overcharging; when the voltage is too low, the output can be automatically turned off to prevent overdischarge.

With reference to the sixth implementation manner of the first aspect, in an eighth implementation manner of the first aspect, the charge indicator is a red-green two-color light emitting diode.

If the red and green double-color light-emitting diodes show that the battery is in a charging state, and the green shows that the electric quantity of the battery is enough, the charging cable is required to be pulled out. The charging progress and the state thereof can be conveniently observed.

With reference to the first aspect, in a ninth implementation manner of the first aspect, the pump body is a micro direct-current water pump. The miniature direct-current water pump has high working efficiency and convenient power supply, and creates favorable conditions for the portability and the moving work of the whole liquid charger.

Foretell automatic liquid feeder of battery passes through pressure switch and detects the liquid level height of battery liquid feeding, outputs corresponding switching signal when the liquid level reaches the predetermined height, and the control panel is according to this switching signal control pump body automatic stop liquid feeding, has solved the problem that the liquid feeding in-process demineralized water spills over or electrolyte spills over the work efficiency who leads to low and industrial safety risk, has improved the work efficiency and the security level of battery liquid feeding.

Drawings

To more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and those skilled in the art can also obtain other drawings according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an automatic liquid charger for a storage battery according to an embodiment of the present disclosure;

fig. 2 is an exemplary circuit schematic diagram of an automatic liquid charger for a battery according to an embodiment of the present disclosure;

fig. 3 is a schematic view showing a structure of a charging connector in the automatic liquid charger for secondary batteries shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

Fig. 1 shows a schematic structural diagram of an automatic liquid charger for a storage battery according to an embodiment of the present disclosure, and for convenience of description, only the relevant parts related to the embodiment are shown, and details are as follows in conjunction with the relevant parts in fig. 2:

an automatic liquid filler for a storage battery comprises a pump body 9, a corrugated water pipe 8, a control panel 13, a power management chip 12, a battery 14 and a pressure switch 18; the pump body 9 is connected with the corrugated water pipe 8 and used for drawing demineralized water or electrolyte; the corrugated water pipe 8 is connected with an output port of the pump body 9 and is used for guiding demineralized water or electrolyte to a liquid adding port of the storage battery; the control panel 13 is connected with the pump body 9 and used for receiving a switching signal to control the output state; the power management chip 12 is connected with the control board 13 and used for managing the electric quantity of the battery 14 and supplying power to the control board 13; the battery 14 is connected with the power management chip 12 and used for storing electric energy to supply power; and a pressure switch 18 connected with the control board 13, fixed in the water outlet 6 of the corrugated water pipe 8, and used for detecting and outputting a switch signal to the control board 13 based on the liquid level of the storage battery.

The input port of the pump body 9 is arranged in the demineralized water or the electrolyte in the container, the pumped demineralized water or the electrolyte is sent to the water inlet of the corrugated water pipe 8 from the water outlet of the pump body 9, the water outlet 6 of the corrugated water pipe 8 is arranged in the liquid filling port of the storage battery, the demineralized water or the electrolyte is injected into the storage battery, along with the continuous liquid filling, the liquid level height touches the pressure switch 18 in the water outlet 6, the pressure switch 18 is extruded to move, a switch signal is output to the control panel 13, the control panel 13 cuts off the power supply output to the pump body 9 according to the switch signal, so that the pump body 9 stops working, the liquid filling process stops, and the liquid is filled to the preset liquid level height at the moment.

In one embodiment, battery 14 is a high-power lithium ion battery. The device has long endurance time and can prolong the working time of the automatic liquid filler of the storage battery.

As shown in fig. 1, in one embodiment, the automatic liquid filler for storage battery further includes a liquid level adjusting ring 19, which is sleeved outside the water outlet 6 and is used for adjusting the length of the water outlet 6 penetrating into the liquid filling opening of the storage battery.

Specifically, liquid level adjustable ring 19 closely cooperates with delivery port 6, and liquid level adjustable ring 19 can slide outside delivery port 6, also can block a certain position outside delivery port 6 for when delivery port 6 gos deep into the filling opening, keep the degree of depth in the filling opening, thereby the regulation of the deep battery of delivery port 6 deepening of realization and deep into battery filling opening length or degree of depth. In one of the embodiments, the level adjustment ring 19 is provided with locking means for fixing the relative position between the level adjustment ring 19 and the bellows tube 8.

In one embodiment, the level adjustment ring 19 is an adjustable clamp.

In one embodiment, the level adjustment ring 19 is a resilient clip.

In one embodiment, the level adjustment ring 19 is plastic.

As shown in fig. 1, in one embodiment, the automatic charger for secondary batteries further comprises a chamber 4 connected to the bellows 8 for housing a control board 13, a power management chip 12, and a battery 14.

Specifically, the bottom surface of the cabin 4 is provided with a pipe groove matched with the corrugated water pipe 8, and the corrugated water pipe 8 can penetrate through the pipe groove and is arranged in the pipe groove; therefore, the space position of the corrugated water pipe 8 in the liquid adding process is adjusted and maintained through the cabin 4, and the liquid adding overshoot is smoother.

In one embodiment, the floor of the chamber 4 is provided with a through hole matching the bellows 8 through which the bellows 8 can pass.

As shown in fig. 1, in one embodiment, the automatic battery charger further comprises a handle 1 fixedly connected to the chamber 4 for lifting the chamber 4 and stabilizing the bellows 8 through the chamber 4.

Specifically, the handle 1 can be divided into a first connecting plate, a second connecting plate and a third connecting plate; the lower end of the first connecting plate is fixedly connected with the cabin 4, and can be welded or screwed; the upper end of the first connecting plate is fixedly connected with the left end of the second connecting plate, and can be welded, riveted or integrally formed; the included angle between the first connecting plate and the second connecting plate can be 90 degrees; the right end of the second connecting plate is fixedly connected with the upper end of the third connecting plate and can be welded, riveted or integrally formed; the included angle between the second connecting plate and the third connecting plate can be 90 degrees; wherein the second connecting plate is parallel to the upper plane of the cabin 4; the outer side of the first connecting plate is positioned at the position of the water outlet 6 of the corrugated water pipe 8; the handle 1 is made of high-strength insulating material.

As shown in fig. 2, in one embodiment, the automatic liquid charger for storage batteries further comprises an LED lamp 3 connected with a control board 13 and used for observing the liquid level of the storage batteries; and the button switch 2 is connected with the control panel 13 and used for generating a manual switch signal and outputting the manual switch signal to the control panel 13 to control the LED lamp 3 and the pump body 9 to work.

The switch signal output by the button switch 2 is transmitted to the control panel 13, and the control panel 13 determines whether to output the high-brightness LED lamp 3 and the working power supply required by the pump body 9 according to the level of the switch signal, so as to control the working states of the LED lamp 3 and the pump body 9; the push switch 2 is explosion-proof.

In one embodiment, as shown in fig. 2, the LED lamp 3 is mounted on the outer side of the first connecting plate, and can be used for observing the liquid level of the storage battery during the liquid adding process.

As shown in fig. 2, in one embodiment, the automatic charger for storage batteries further comprises a charging interface 5 connected with the power management chip 12 for connecting an external power source to charge; and a charging indicator light 11 connected with the power management chip 12 for indicating the charging state of the battery 14.

Specifically, the power management chip 12 has a battery voltage monitoring function, the battery can automatically stop charging when the battery is sufficiently charged, and the battery output can be shut off when the voltage is too low, so that the purpose of protecting the battery is achieved.

In one embodiment, the charge indicator light 11 is a red-green two-color light emitting diode.

Specifically, if the red and green light emitting diodes show that the battery is in a charging state, and the green light emitting diodes show that the battery has enough electric quantity, the charging cable should be pulled out. The charging progress and the state thereof can be conveniently observed.

In one embodiment, the LED lamp 3 is provided with a condensing lens and is explosion-proof.

In one embodiment, the pump body 9 is a micro dc water pump.

In one embodiment, the motor used for the pump body 9 is a brushless dc motor.

In one embodiment, the LED lamp 3 is a high brightness LED lamp.

In one embodiment, the water outlet 6 is made of polyester material and has better hardness; the pressure switch 18 is fixed in the water outlet 6 through screws; the water outlet 6 and the corrugated water pipe 8 can be connected in a seamless connection mode such as industrial glue bonding.

In one embodiment, the control board 13 is electrically connected with the pump body 9 through the flexible cable 7; the flexible cable 7 is attached to the surface of the corrugated water pipe 8, and the corrugated water pipe 8 can be driven to move together by the handle 1; wherein, the corrugated water pipe 8 can prevent the blockage caused by the right angle turning.

In one embodiment, a plurality of water inlets 10 are formed in the bottom of the pump body 9, the water inlets 10 form a filter screen with a filtering function, or the filter screen can be disposed on the surface of the water inlets 10 to perform a double-filtering function, so that foreign matters can be effectively prevented from entering the input port of the pump body 9 to block the pump body 9.

As shown in fig. 3, in one embodiment, the charging connector comprises a USB plug 17, a charging wire 16, and a 2.5mm plug 15; the input end of the USB plug 17 is used for connecting an external direct-current power supply; the output end of the USB plug 17 is connected with one end of a charging wire 16; the other end of the charging wire 16 is connected with the input end of the 2.5mm plug 15; the output end of the 2.5mm plug 15 is connected with the charging interface 5.

In one embodiment, the method for using the liquid charger provided by the present disclosure is as follows, with reference to fig. 1 and 2:

first, the power supply is checked in a safety situation (this step is not suitable for being carried out on a filling site because of the risk of hydrogen explosion of the accumulator in the nuclear plant): the 2.5mm socket of the charging connector is firstly inserted into the charging interface 5 of the storage battery liquid filler, the USB plug 17 is inserted into an external direct-current power supply with a USB interface, the color of the charging indicator light 11 is observed at the moment, if the color is red, the battery is in a charging state, the battery electric quantity is enough when the battery is waited to be turned into green, the battery reaches a usable state, and the charging can be stopped.

Step two, self-checking: an operator holds the pump body 9 of the storage battery liquid filler with the left hand, and clicks the switch button on the handle 1 with the right hand, so that the LED lamp 3 in front of the handle 1 is observed to be lightened, and meanwhile, the motor of the pump body 9 is started, so that the left hand can feel slight vibration of the motor, the self-checking is normal, and the operation can be continued; if the LED lamp 3 and the pump body 9 do not react after the switch button is clicked, the storage battery liquid filler is indicated to have a fault, and the storage battery liquid filler can be used after the fault is required to be eliminated.

The third step, the pump body 9 of the battery liquid filler of automated inspection liquid level that the operator left hand handle self-checking passed through is put into demineralized water or electrolyte in the container, right hand handle 1 and insert delivery port 6 the filling opening of battery, the position of observing delivery port 6 simultaneously is in the same height with the highest liquid level marking (max) of battery body, simultaneously with liquid level adjustable ring 19 locking (if have batch with the model battery then only need adjust once can), the position of this device delivery port 6 is fixed, also be exactly preset liquid feeding highest position by settlement, the liquid feeding will the automatic stop liquid feeding when this position. The thumb is used for pressing the button switch 2, the button switch 2 is closed, the control panel 13 obtains a command of a switch signal at the moment, the electric quantity of the battery 14 is added to the motor of the pump body 9 and the high-brightness LED lamp 3 through the power management chip 12, and the motor of the pump body 9 and the high-brightness LED lamp 3 are powered to work at the same time. The motor of the pump body 9 is started, and the demineralized water or the electrolyte in the container is sucked by the motor of the pump body 9 and is sent to the water outlet 6 through the corrugated water pipe 8, and then enters the storage battery; the liquid feeding worker can observe the liquid feeding condition inside the storage battery through the LED lamp 3. When the liquid level in the storage battery reaches a set height, the water level exceeds the water outlet 6, the pressure switch 18 in the water outlet 6 acts under the action of pressure, a switch signal type control command is sent to the control panel 13, the control panel 13 receives the switch signal and cuts off the working power supply of the pump body 9, the pump body 9 stops working, and the liquid adding work is completed.

And fourthly, cleaning the used storage battery liquid filler, and charging for standby.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims (10)

1. An automatic liquid filler for a storage battery, comprising:

the pump body is used for drawing demineralized water or electrolyte;

the corrugated water pipe is connected with the output port of the pump body and is used for guiding the desalted water or the electrolyte to a liquid filling port of the storage battery;

the control panel is connected with the pump body and used for receiving a switching signal to control an output state;

the power management chip is connected with the control board and used for managing the electric quantity of the battery and supplying power to the control board;

the battery is connected with the power management chip and used for storing electric energy to supply power; and

and the pressure switch is connected with the control panel, fixed in the water outlet of the corrugated water pipe and used for detecting and outputting the switch signal to the control panel based on the liquid level of the storage battery.

2. The automatic liquid filler for secondary batteries according to claim 1, further comprising:

and the liquid level adjusting ring is sleeved outside the water outlet and used for adjusting the length of the water outlet deep into the storage battery liquid filling opening.

3. The automatic liquid charger for secondary batteries according to claim 2, characterized in that said level adjustment ring is provided with locking means for positioning the relative position between said level adjustment ring and said water outlet.

4. The automatic liquid charger for secondary batteries according to any one of claims 1 to 3, characterized by further comprising:

the cabin is connected with the corrugated water pipe and used for accommodating the control panel, the power management chip and the battery.

5. The automatic liquid filler for secondary batteries according to claim 4, further comprising:

and the handle is fixedly connected with the cabin and used for lifting the cabin and stabilizing the corrugated water pipe through the cabin.

6. The automatic liquid filler for secondary batteries according to claim 5, further comprising:

the LED lamp is arranged on the handle and is connected with the control panel; and

the button switch is arranged on the handle, connected with the control panel and used for generating a manual switch signal and outputting the manual switch signal to the control panel to control the LED lamp and the pump body to work.

7. The automatic liquid charger for accumulators as claimed in claim 6, characterized in that said LED lamp is provided with a condenser lens.

8. The automatic liquid charger for secondary batteries according to any one of claims 1 to 3, characterized by further comprising:

the charging interface is connected with the power management chip and is used for connecting an external power supply for charging; and

and the charging indicator light is connected with the power management chip and used for indicating the charging state of the battery.

9. The automatic liquid charger for secondary batteries according to claim 8, wherein said charge indicator light is a red-green two-color light emitting diode.

10. The automatic charger for accumulators as claimed in claim 1, wherein said pump body is a micro-d.c. pump.

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