Photovoltaic power generation auxiliary energy storage unit trigger device

Abstract

The present invention belongs to the technical field of photovoltaic power generation, and specifically relates to a trigger device for an auxiliary energy storage unit of photovoltaic power generation; the technical scheme adopted is: comprising a main base plate, an air pressure monitoring chamber module and a switching control module, the air pressure monitoring chamber module and the switching control module are both arranged on the main base plate, the output value of the air pressure monitoring chamber module is connected to the switching control module and output after switching control; the air pressure monitoring chamber module comprises an air pressure monitoring chamber component A and an air pressure monitoring chamber component B which are arranged at intervals and relatively, a sealing plate is arranged between the air pressure monitoring chamber component A and the air pressure monitoring chamber component B, the air pressure monitoring chamber component A and the air pressure monitoring chamber component B are both arranged with openings on one side close to the sealing plate, and the sealing plate is used to seal the opening.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic power generation, and in particular relates to a photovoltaic power generation auxiliary energy storage unit triggering device. Background Art

[0002] In photovoltaic power generation systems, when sudden weather such as heavy rain occurs, the fluctuation of power generation and other factors is large, which has an impact on the power grid.

[0003] At present, energy storage units are also used in photovoltaic power generation systems for auxiliary power generation; however, since current energy storage devices are basically put into operation for a long time, their lifespan is shortened rapidly, and the cost of energy storage devices is relatively high, this has greatly limited the application of energy storage devices in the field of photovoltaic power generation. Summary of the invention

[0004] The present invention overcomes the shortcomings of the prior art and provides a photovoltaic power generation auxiliary energy storage unit triggering device, which solves the problem of not having to invest in long-term energy storage to cause the life of the energy storage device to be rapidly reduced, while being able to effectively trigger the power generation auxiliary energy storage unit in sudden weather such as heavy rain.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a photovoltaic power generation auxiliary energy storage unit triggering device, including a main bottom plate, an air pressure monitoring chamber module and a switching control module, the air pressure monitoring chamber module and the switching control module are both arranged on the main bottom plate, and the output value of the air pressure monitoring chamber module is connected to the switching control module and output after switching control;

[0006] The air pressure monitoring chamber module comprises an air pressure monitoring chamber component A and an air pressure monitoring chamber component B which are spaced apart and arranged opposite to each other, a sealing plate is arranged between the air pressure monitoring chamber component A and the air pressure monitoring chamber component B, and openings are arranged on one side of the air pressure monitoring chamber component A and the air pressure monitoring chamber component B close to the sealing plate, and the sealing plate is used to seal the openings;

[0007] The air pressure monitoring chamber assembly A comprises a first air pressure monitoring chamber and a second air pressure monitoring chamber which are arranged in a close and mirror-image manner, wherein the first air pressure monitoring chamber and the second air pressure monitoring chamber are spliced ​​into a semicircular structure, and the air pressure monitoring chamber assembly B comprises a third air pressure monitoring chamber and a fourth air pressure monitoring chamber which are arranged at intervals and symmetrically, wherein an electromagnet is arranged between the third air pressure monitoring chamber and the fourth air pressure monitoring chamber;

[0008] The electromagnet has a timing switch to control its power on and off. When the electromagnet is powered on, the sealing plate moves from the openings of the first air pressure monitoring chamber and the second air pressure monitoring chamber to the openings of the third air pressure monitoring chamber and the fourth air pressure monitoring chamber, thereby sealing the openings of the third air pressure monitoring chamber and the fourth air pressure monitoring chamber; when the electromagnet is powered off, the sealing plate moves from the openings of the third air pressure monitoring chamber and the fourth air pressure monitoring chamber to the openings of the first air pressure monitoring chamber and the second air pressure monitoring chamber, thereby sealing the openings of the first air pressure monitoring chamber and the second air pressure monitoring chamber.

[0009] A metal block is provided at the middle position of the sealing plate near one end of the air pressure monitoring chamber assembly B, and the metal block can extend into the gap between the third air pressure monitoring chamber and the fourth air pressure monitoring chamber and fit with the electromagnet.

[0010] A hanging rack is provided on one side of the first air pressure monitoring chamber and the second air pressure monitoring chamber away from the sealing plate, and the hanging rack is connected to the sealing plate through a spring.

[0011] The first air pressure monitoring cavity, the second air pressure monitoring cavity, the third air pressure monitoring cavity and the fourth air pressure monitoring cavity are all provided with air pressure balancing membranes inside, and the air pressure balancing membranes are used to balance the internal and external air pressures.

[0012] The tops of the first air pressure monitoring chamber, the second air pressure monitoring chamber, the third air pressure monitoring chamber and the fourth air pressure monitoring chamber are all provided with monitoring devices, and the monitoring devices are connected with air pressure output contacts.

[0013] The switching control module includes a plurality of air pressure input contacts, and the air pressure input contacts correspond to the air pressure output contacts one by one and are electrically connected.

[0014] The switching control module also includes two subtractors and an AND gate. The input port of one of the subtractors is respectively connected to the pressure input contact corresponding to the pressure output contact set on the first pressure monitoring cavity and the pressure input contact corresponding to the pressure output contact set on the third pressure monitoring cavity. The input port of the other subtractor is respectively connected to the pressure input contact corresponding to the pressure output contact set on the second pressure monitoring cavity and the pressure input contact corresponding to the pressure output contact set on the fourth pressure monitoring cavity. The subtractor and the AND gate are connected through a judger, and the judger corresponds to the subtractor one by one. The output port of the AND gate is connected to the R end interface of the RS trigger, and the output port of the delayer is connected to the S end interface of the RS trigger. The output signals of the AND gate and the RS trigger are both connected to the OR gate, and the output of the OR gate is provided with an output contact of the switching control module.

[0015] One of the judgers judges whether the output signal of the corresponding subtractor is greater than a set fixed value, and the other judger judges whether the output signal of the corresponding subtractor is greater than the set fixed value.

[0016] When the difference between the air pressure value in the first air pressure monitoring chamber and the air pressure value in the third air pressure monitoring chamber is greater than the set value, and the difference between the air pressure value in the second air pressure monitoring chamber and the air pressure value in the fourth air pressure monitoring chamber is greater than the set value, a control signal for battery input is output, and this signal is maintained until the delay time set by the delay device expires.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Since the device of the present invention can monitor the air pressure in four different directions, and can also monitor the air pressure in the current time period and the previous time period at the same time (the air pressure monitored for a certain period of time after the air pressure monitoring cavity is blocked by the sealing plate is the air pressure in the previous time period), it can effectively capture the fluctuations of air pressure in space and time, respond to sudden weather changes in advance, and trigger the auxiliary energy storage device to be put into use.

[0019] 2. The sealing plate moves regularly, and can switch to different positions to monitor the air pressure value of the previous period, or switch to different positions to monitor the air pressure value of the current period, which is more helpful to capture sudden changes in weather and trigger the use of auxiliary energy storage devices.

[0020] 3. The air pressure monitoring chamber of the present invention is designed to be arc-shaped on one side and a pressure balance membrane is fixed inside on the other side, which can ensure the normal flow of air to capture the real air pressure and avoid interference and damage to the monitoring device caused by heavy wind and rain.

[0021] 4. The introduction of the delay device at the RS input end in the switching control device of the present invention enables the energy storage input to be maintained for a certain period of time, thus avoiding frequent switching. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the switching control module of the present invention.

[0025] In the figure: 1 is the main base plate, 2 is the sealing plate, 3 is the first air pressure monitoring chamber, 4 is the second air pressure monitoring chamber, 5 is the third air pressure monitoring chamber, 6 is the fourth air pressure monitoring chamber, 7 is the electromagnet, 8 is the metal block, 9 is the hanging rack, 10 is the spring, 11 is the air pressure balance membrane, 12 is the monitoring device, 13 is the air pressure output contact, 14 is the air pressure input contact, 15 is the subtractor, 16 is the AND gate, 17 is the judge, 18 is the RS trigger, 19 is the delay device, 20 is the OR gate, and 21 is the output contact of the switching control module. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 2As shown, the photovoltaic power generation auxiliary energy storage unit trigger device includes a main base plate 1, an air pressure monitoring chamber module and a switching control module. The air pressure monitoring chamber module and the switching control module are both arranged on the main base plate 1. The output value of the air pressure monitoring chamber module is connected to the switching control module and output after switching control.

[0027] The air pressure monitoring chamber module comprises an air pressure monitoring chamber component A and an air pressure monitoring chamber component B which are spaced apart and arranged opposite to each other, a sealing plate 2 is arranged between the air pressure monitoring chamber component A and the air pressure monitoring chamber component B, and openings are arranged on one side of the air pressure monitoring chamber component A and the air pressure monitoring chamber component B close to the sealing plate 2, and the sealing plate is used to seal the openings;

[0028] The air pressure monitoring chamber assembly A includes a first air pressure monitoring chamber 3 and a second air pressure monitoring chamber 4 that are fitted and mirror-arranged, and the first air pressure monitoring chamber 3 and the second air pressure monitoring chamber 4 are spliced ​​into a semicircular structure. The air pressure monitoring chamber assembly B includes a third air pressure monitoring chamber 5 and a fourth air pressure monitoring chamber 6 that are spaced and symmetrically arranged, and an electromagnet 7 is arranged between the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6.

[0029] The electromagnet 7 has a timing switch to control its power on and off. When the electromagnet 7 is powered on, the sealing plate 2 moves from the openings of the first air pressure monitoring chamber 3 and the second air pressure monitoring chamber 4 to the openings of the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6 to seal the openings of the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6; when the electromagnet 7 is powered off, the sealing plate 2 moves from the openings of the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6 to the openings of the first air pressure monitoring chamber 3 and the second air pressure monitoring chamber 4 to seal them.

[0030] Preferably, a metal block 8 is provided at a middle position of the sealing plate 2 near one end of the air pressure monitoring chamber assembly B, and the metal block 8 can extend into the gap between the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6 and fit with the electromagnet 7.

[0031] Preferably, a hanging rack 9 is provided on the side of the first air pressure monitoring chamber 3 and the second air pressure monitoring chamber 4 away from the sealing plate 2 , and the hanging rack 9 is connected to the sealing plate 2 via a spring 10 .

[0032] Preferably, each of the first air pressure monitoring chamber 3 , the second air pressure monitoring chamber 4 , the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6 is provided with an air pressure balancing membrane 11 , and the air pressure balancing membrane 11 is used to balance the internal and external air pressures.

[0033] Preferably, a monitoring device 12 is provided on the top of each of the first air pressure monitoring chamber 3 , the second air pressure monitoring chamber 4 , the third air pressure monitoring chamber 5 and the fourth air pressure monitoring chamber 6 , and an air pressure output contact 13 is connected to the monitoring device 12 .

[0034] Preferably, the switching control module includes a plurality of air pressure input contacts 14 , and the air pressure input contacts 14 correspond one-to-one to the air pressure output contacts 13 and are electrically connected.

[0035] Preferably, the switching control module further comprises two subtractors 15 and an AND gate 16, the input port of one of the subtractors 15 being respectively connected to the pressure input contact 14 corresponding to the pressure output contact 13 provided on the first pressure monitoring chamber 3 and the pressure input contact 14 corresponding to the pressure output contact 13 provided on the third pressure monitoring chamber 5, and the input port of the other subtractor 15 being respectively connected to the pressure input contact 14 corresponding to the pressure output contact 13 provided on the second pressure monitoring chamber 4 and the pressure input contact 14 corresponding to the pressure output contact 13 provided on the fourth pressure monitoring chamber 6, the air pressure output contact 13 is connected to the air pressure input contact 14, the subtractor 15 and the AND gate 16 are connected through the judgement 17, the judgement 17 corresponds to the subtractor 15 one by one, the output port of the AND gate 16 is connected to the R end interface of the RS trigger 18, the output port of the delay 19 is connected to the S end interface of the RS trigger 18, the output signals of the AND gate 16 and the RS trigger 18 are both connected to the OR gate 20, and the output of the OR gate 20 is provided with the switching control module output contact 21.

[0036] One of the judgers 17 judges whether the output signal of the corresponding subtractor 15 is greater than a set fixed value, and the other judger 17 judges whether the output signal of the corresponding subtractor 15 is greater than the set fixed value.

[0037] When the difference between the air pressure value in the first air pressure monitoring chamber 3 and the air pressure value in the third air pressure monitoring chamber 5 is greater than the set value, and the difference between the air pressure value in the second air pressure monitoring chamber 4 and the air pressure value in the fourth air pressure monitoring chamber 6 is greater than the set value, a control signal for battery input is output, and this signal is maintained until the delay time set by the delay timer expires.

[0038] The device can be connected in parallel with a timing switch to trigger the power generation auxiliary energy storage unit, so that the power generation auxiliary energy storage unit can be effectively triggered in sudden weather such as heavy rain, and can also be charged and discharged on a regular basis.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Those familiar with the technology may modify or improve the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. Photovoltaic power generation auxiliary energy storage unit triggering device, characterized in that: It comprises a main base plate (1), an air pressure monitoring chamber module and a switching control module, wherein the air pressure monitoring chamber module and the switching control module are both arranged on the main base plate (1), and the output value of the air pressure monitoring chamber module is connected to the switching control module and then output after switching control; The air pressure monitoring chamber module comprises an air pressure monitoring chamber component A and an air pressure monitoring chamber component B which are spaced apart and arranged opposite to each other, a sealing plate (2) being arranged between the air pressure monitoring chamber component A and the air pressure monitoring chamber component B, and openings being arranged on one side of the air pressure monitoring chamber component A and the air pressure monitoring chamber component B close to the sealing plate (2), and the sealing plate being used to seal the openings; The air pressure monitoring chamber assembly A comprises a first air pressure monitoring chamber (3) and a second air pressure monitoring chamber (4) which are fitted and arranged in a mirror image, the first air pressure monitoring chamber (3) and the second air pressure monitoring chamber (4) being spliced ​​to form a semicircular structure, the air pressure monitoring chamber assembly B comprises a third air pressure monitoring chamber (5) and a fourth air pressure monitoring chamber (6) which are spaced apart and symmetrically arranged, an electromagnet (7) being arranged between the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6); The electromagnet (7) has a timing switch to control its power on and power off. When the electromagnet (7) is powered on, the sealing plate (2) moves from the openings of the first air pressure monitoring chamber (3) and the second air pressure monitoring chamber (4) to the openings of the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6), thereby sealing the openings of the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6). When the electromagnet (7) is powered off, the sealing plate (2) moves from the openings of the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6) to the openings of the first air pressure monitoring chamber (3) and the second air pressure monitoring chamber (4), thereby sealing the openings of the first air pressure monitoring chamber (3) and the second air pressure monitoring chamber (4).

2. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 1, characterized in that: A metal block (8) is provided at a middle position of the sealing plate (2) near one end of the air pressure monitoring chamber assembly B. The metal block (8) can extend into the gap between the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6) to fit the electromagnet (7).

3. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 2, characterized in that: An object hanging rack (9) is provided on the side of the first air pressure monitoring chamber (3) and the second air pressure monitoring chamber (4) away from the sealing plate (2); the object hanging rack (9) is connected to the sealing plate (2) via a spring (10).

4. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 3, characterized in that: The first air pressure monitoring chamber (3), the second air pressure monitoring chamber (4), the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6) are all provided with air pressure balancing membranes (11) inside, and the air pressure balancing membranes (11) are used to balance the internal and external air pressures.

5. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 4, characterized in that: A monitoring device (12) is provided at the top of each of the first air pressure monitoring chamber (3), the second air pressure monitoring chamber (4), the third air pressure monitoring chamber (5) and the fourth air pressure monitoring chamber (6), and an air pressure output contact (13) is connected to the monitoring device (12).

6. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 5, characterized in that: The switching control module comprises a plurality of air pressure input contacts (14), wherein the air pressure input contacts (14) correspond one to one with the air pressure output contacts (13) and are electrically connected.

7. The photovoltaic power generation auxiliary energy storage unit triggering device according to claim 6, characterized in that: The switching control module further comprises two subtractors (15) and an AND gate (16), wherein an input port of one of the subtractors (15) is respectively connected to an air pressure input contact (14) corresponding to an air pressure output contact (13) provided on the first air pressure monitoring chamber (3) and an air pressure input contact (14) corresponding to an air pressure output contact (13) provided on the third air pressure monitoring chamber (5), and an input port of the other subtractor (15) is respectively connected to an air pressure input contact (14) corresponding to an air pressure output contact (13) provided on the second air pressure monitoring chamber (4) and an air pressure input contact (14) provided on the fourth air pressure monitoring chamber (6). The air pressure input contact (14) corresponding to the air pressure output contact (13) is connected to the subtractor (15) and the AND gate (16) via a judger (17), the judger (17) and the subtractor (15) correspond one to one, the output port of the AND gate (16) is connected to the R-end interface of the RS trigger (18), the output port of the delay device (19) is connected to the S-end interface of the RS trigger (18), the output signals of the AND gate (16) and the RS trigger (18) are both connected to an OR gate (20), and the output of the OR gate (20) is provided with an output contact (21) of a switching control module.

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