CN209805180U - Energy-saving distribution box - Google Patents
Energy-saving distribution box Download PDFInfo
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- CN209805180U CN209805180U CN201921001521.3U CN201921001521U CN209805180U CN 209805180 U CN209805180 U CN 209805180U CN 201921001521 U CN201921001521 U CN 201921001521U CN 209805180 U CN209805180 U CN 209805180U
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- distribution box
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Abstract
the utility model relates to the technical field of power supply equipment, in particular to an energy-saving distribution box; the technical scheme is as follows: an energy-saving distribution box comprises a box body, a plurality of thermoelectric generation pieces and an electric accumulator; the thermoelectric generation piece penetrates through the rear side wall of the box body, the hot end of the thermoelectric generation piece is arranged at the installation position of an electric element in the box body, and the hot end of the thermoelectric generation piece is used for absorbing heat generated by the electric element; the box is outside located to the thermoelectric generation piece cold junction, thermoelectric generation piece surface covering has insulating heat-conducting layer, the thermoelectric generation piece is connected with the condenser electricity. The utility model discloses a piece is sent out to the difference in temperature turns into electric energy storage with the inside heat conversion of block terminal box, can absorb the heat with the heat recovery that electrical component gived off on the one hand, and on the other hand passes through the piece of generating electricity by difference in temperature, can dispel the heat to the block terminal, prevents that the ambient temperature in the block terminal is too high. Has the characteristics of energy conservation, economy and environmental protection.
Description
Technical Field
The utility model relates to a power supply unit technical field, concretely relates to energy-conserving block terminal.
Background
The distribution box is mainly used for opening and closing, controlling and protecting power equipment of electric equipment in the process of generating, transmitting, distributing and converting electric energy in a power system. The components inside the distribution box mainly include a circuit breaker, a disconnector, a load switch, an operating mechanism, various protection circuits, and the like. Because the electronic device in the block terminal has a high requirement on the environmental temperature, if the environmental temperature in the block terminal exceeds the working temperature of the electronic device, the normal work and even the damage of the electronic device can be influenced, so that the block terminal can not work normally, the normal life and production of people are influenced, and even accidents are caused. Besides being influenced by external environment temperature, the environment temperature in the distribution box can also generate heat when an internal electronic device works, and particularly, the distribution box with large heat generation quantity, such as a frequency converter, a PLC and the like, is arranged in the industrial distribution box. Therefore, the existing distribution box is arranged at a good ventilation part, or is provided with radiating meshes, a radiating fan and the like for radiating. The fan heat dissipation mode is directly adopted, power needs to be supplied to the fan, heat dissipated by electronic devices is taken away, energy consumption and economic benefit are poor, and the environment is not protected.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that current block terminal directly adopts fan heat dissipation power consumption, economic benefits is poor, not environmental protection, the utility model provides an energy-conserving block terminal for the scene that PLC andor converter need be installed, but the heat in the recycle block terminal has the characteristics of energy-conservation, economy, environmental protection.
The utility model discloses a following technical scheme realizes:
An energy-saving distribution box comprises a box body, a plurality of thermoelectric generation pieces and an electric accumulator; the thermoelectric generation piece penetrates through the rear side wall of the box body, the hot end of the thermoelectric generation piece is arranged at the installation position of an electric element in the box body, and the hot end of the thermoelectric generation piece is used for absorbing heat generated by the electric element; the box is outside located to the thermoelectric generation piece cold junction, thermoelectric generation piece surface covering has insulating heat-conducting layer, the thermoelectric generation piece is connected with the condenser electricity. During the use, the one side that electrical component is close to the box trailing flank is hugged closely on the thermoelectric generation piece, sends out the heat recovery that the piece on the one hand can give off electrical component through the thermoelectric generation, and on the other hand absorbs the heat through the thermoelectric generation piece, can dispel the heat to the block terminal, prevents the ambient temperature in the block terminal and electrical component's high temperature.
Preferably, the box lateral wall external fixation has the water tank, in the water tank was located to the thermoelectric generation piece outer end, because the specific heat capacity of water is higher, the temperature rise speed in the relative box of temperature rise speed is slower, therefore increase thermoelectric force that can step forward improves thermal recovery efficiency.
preferably, a plurality of radiating fins are arranged outside the side wall of the water tank, so that the water tank is sufficiently radiated, and the phenomenon that the temperature rises too fast is prevented.
Preferably, be equipped with the heat insulating slab between water tank and the box, prevent that the water tank from directly carrying out the heat exchange with the box, and influence thermoelectric generation piece's normal work.
as further specific embodiments: the box is provided with first ventilation window and second ventilation window, first ventilation window is fit with first electronic shutter, second ventilation window is fit with the electronic shutter of second, install radiator fan in the box, radiator fan is just to the second ventilation window, radiator fan passes through temperature detect switch and is connected with the condenser electricity, temperature detect switch installs in the box, first electronic shutter, the electronic shutter of second are connected with the temperature detect switch electricity respectively. The temperature control switch controls the radiating fan and the electric shutter to work according to the temperature in the box body, so that when the temperature in the box body is within a normal working temperature range, the thermoelectric generation piece generates electricity, and heat is recovered to store electric energy. When the temperature in the box body is too high, the thermoelectric generation piece and the cooling fan are used for cooling at the same time, and the temperature in the box body is ensured to be within a normal range.
Preferably, the temperature control switch is a normally open metal expansion type temperature control switch, so that the reliability of temperature control is ensured.
Preferably, the closing temperature of the temperature control switch is 45 ℃, so that the normal operation of the electric elements in the box body can be ensured.
Preferably, first electronic shutter adaptation has the dust screen, prevents that debris such as dust, insect from getting into the block terminal in, influencing the normal work of electric elements.
Preferably, the heat dissipation fan is a brushless axial flow fan, and the brushless axial flow fan is simple in structure, long in service life, high in mechanical efficiency and high in reliability.
Preferably, the insulating heat conduction layer is made by insulating heat conduction silica gel, and insulating heat conduction silica gel not only insulating heat conductivility is excellent but also has certain elasticity and can protect the thermoelectric generation piece.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
The heat conversion that generates through thermoelectric generation piece electric elements work is the electric energy and is saved by the condenser, can absorb the heat with the heat recovery that electric elements gived off on the one hand, and on the other hand passes through thermoelectric generation piece and absorbs the heat, can dispel the heat to the block terminal, prevents that the ambient temperature in the block terminal and electric elements's temperature is too high, economy, energy-concerving and environment-protective. Simultaneously, set up two ventilation windows that are fit for electronic shutter on the box to set up radiator fan at one of them ventilation window, supplied power by the condenser and temperature detect switch control, make when the box internal temperature through thermoelectric generation piece electricity generation when normal operating temperature within range, retrieve heat storage electric energy. When the temperature in the box body is too high, the thermoelectric generation piece and the cooling fan are used for cooling at the same time, the temperature in the box body is ensured to be within a normal range, and the reliability is high. Therefore, the distribution box is kept in a relatively closed state under normal conditions, is not easily influenced by the external environment, and can improve the reliability and the service life of the distribution box.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a right-side view schematic diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
The power generation system comprises a box body 1, a thermoelectric generation sheet 2, an accumulator 3, a first ventilation window 5, a second ventilation window 6, a first electric shutter 7, a second electric shutter 8, a cooling fan 9, a temperature control switch 10, a water tank 11, a heat insulation sheet 12, a cooling fin 13, a control switch assembly 14, a frequency converter 15 and a PLC 16.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
Referring to fig. 1 and 2, an energy-saving distribution box includes a box body 1, and the embodiment employs a closed box body 1, that is, the box body 1 is not provided with vents/holes. Still include a plurality of thermoelectric generation pieces 2 and electric power accumulator 3, thermoelectric generation piece 2 wears to locate 1 back lateral wall of box, that is to say that thermoelectric generation 2 is fixed through box 1. The hot end of the thermoelectric generation piece 2 is arranged at the installation position of the electric element in the box body 1, and the hot end of the thermoelectric generation piece 2 is used for absorbing heat generated by the electric element; specifically, the rear end face of the control switch assembly 14, the rear end 15 of the frequency converter and the rear end face of the PLC16 are closely attached to the surface of the thermoelectric generation piece 2 during installation. The cold end of the thermoelectric generation piece 2 is arranged outside the box body 1, so that the hot end and the cold end of the thermoelectric generation piece 2 have large temperature difference, and thermoelectric force can be generated. The surface of the thermoelectric generation piece 2 is covered with an insulating heat conduction layer to prevent electric leakage of each electric element and the box body 1.
The thermoelectric generation piece 2 is electrically connected with the electric storage device 3, it should be understood that the thermoelectric electromotive force generated by the thermoelectric generation piece 2 is to charge the electric storage device 3 after rectification and filtering, and the electric energy obtained by the electric storage device 3 can directly supply power to low-voltage electric appliances inside the distribution box, such as an illuminating lamp, a temperature and humidity sensor and the like. The accumulator 3 may be a lead-acid battery, a super capacitor, a rechargeable dry battery, a lithium battery, etc. Send out piece 2 through the difference in temperature and convert the inside heat of block terminal box 1 into electric energy storage, can absorb the heat through difference in temperature electricity generation piece 2, on the one hand with the heat recovery that electrical component gived off, on the other hand can dispel the heat to block terminal box 1, prevents that the ambient temperature in the block terminal is too high.
Preferably, a water tank 11 is fixed outside the side wall of the tank body 1, and the outer end of the thermoelectric generation piece 2 is arranged in the water tank 11. During the use, pour into water in water tank 11, because the specific heat capacity of water is higher, the temperature rise speed in the relative box 1 of temperature rise speed is slower, therefore the increase difference in temperature electromotive force of piece 2 that generates heat that can be further improves thermal recovery efficiency. Of course, insulating oil may be injected into the water tank 11 to ensure the insulating performance of the distribution box. The lateral wall of the water tank is externally provided with a plurality of radiating fins 13 so as to fully radiate the water tank and prevent the temperature rise from being too fast. Meanwhile, the water tank is prevented from directly exchanging heat with the tank body to influence the normal work of the thermoelectric generation piece, and a heat insulation piece 12 is arranged between the water tank and the tank body.
Further, box 1 is provided with first ventilation window 5 and second ventilation window 6, first ventilation window 5 is fit with first electronic shutter 7, second ventilation window 6 is fit with the electronic shutter 8 of second, install radiator fan 9 in the box 1, radiator fan 9 is just to second ventilation window 6. Specifically, the first electric louver 7 can control the opening and closing of the first louver 5, and the second electric louver 8 can control the opening and closing of the second louver 6. When the first electric louver 7 and the second electric louver 8 are opened, the heat dissipation fan 9 may pump the air inside the cabinet 1 or send the external air into the cabinet 1. The heat radiation fan 9 is electrically connected with the electric storage device 3 through a temperature control switch 10, and the temperature control switch 10 is installed in the box body 1. The first electric shutter 7 and the second electric shutter 8 are respectively electrically connected with a temperature control switch 10.
It can be understood that the first electric louver 7, the second electric louver 8 and the heat dissipation fan 9 are all powered by the electric accumulator 3, and no additional circuit or power supply is needed. Meanwhile, the first electric louver 7, the second electric louver 8, the heat dissipation fan 9 and the electric storage device 3 are connected through the temperature control switch 10, that is, the temperature control switch 10 controls the opening and closing of the first electric louver 7, the second electric louver 8 and the heat dissipation fan 9. Therefore, when the temperature in the box body 1 is within the normal working temperature range, the thermoelectric generation piece 2 is used for generating electricity, and heat is recovered to store electric energy. When the temperature in the box body 1 is too high, the thermoelectric generation piece 1 and the cooling fan 9 simultaneously dissipate heat, so that the temperature in the box body 1 is ensured to be in a normal range.
More preferably, the temperature control switch 10 is a normally open metal expansion type temperature control switch, so as to ensure the reliability of temperature control. And the closing temperature of the temperature control switch 10 is 45 ℃, namely when the temperature of the gas in the box body 1 is 45 ℃, the heat radiation fan 9 is started to radiate heat so as to ensure that the electric elements in the box body can normally run.
Preferably, first electronic shutter 7 adaptation has the dust screen, prevents that radiator fan 9 from at the during operation, in debris such as dust, insect get into the block terminal, influence electric elements normal work.
Preferably, the heat dissipation fan 9 is a brushless axial flow fan, and the brushless axial flow fan has a simple structure, a long service life, high mechanical efficiency and high reliability. The insulating heat conduction layer is made by insulating heat conduction silica gel, and insulating heat conduction silica gel not only insulating heat conductivility is excellent but also has certain elasticity and can protect thermoelectric generation piece 2.
the above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an energy-conserving block terminal, includes box (1), its characterized in that: the thermoelectric generator also comprises a plurality of thermoelectric generation pieces (2) and a condenser (3); the thermoelectric generation piece (2) penetrates through the rear side wall of the box body (1), the hot end of the thermoelectric generation piece (2) is arranged at the installation position of an electric element in the box body (1), and the hot end of the thermoelectric generation piece (2) is used for absorbing heat generated by the electric element; the box (1) outside is located to thermoelectric generation piece (2) cold junction, thermoelectric generation piece (2) surface covering has insulating heat-conducting layer, thermoelectric generation piece (2) are connected with condenser (3) electricity.
2. The energy saving power distribution box of claim 1, wherein: the water tank (11) is fixed outside the side wall of the tank body (1), and the outer end of the thermoelectric generation piece (2) is arranged in the water tank (11).
3. The energy saving power distribution box of claim 2, wherein: and a plurality of radiating fins (13) are arranged outside the side wall of the water tank (11).
4. The energy saving power distribution box of claim 3, wherein: and a heat insulation sheet (12) is arranged between the water tank (11) and the box body (1).
5. The energy-saving distribution box according to any one of claims 1 to 4, characterized in that: box (1) still is provided with first ventilation window (5) and second ventilation window (6), first ventilation window (5) adaptation has first electric shutter (7), second ventilation window (6) adaptation has second electric shutter (8), radiator fan (9) are installed in box (1), radiator fan (9) are just to second ventilation window (6), radiator fan (9) are connected with condenser (3) electricity through temperature detect switch (10), install in box (1) temperature detect switch (10), first electric shutter (7), second electric shutter (8) are connected with temperature detect switch (10) electricity respectively.
6. The energy saving power distribution box of claim 5, wherein: the temperature control switch (10) is a normally-open metal expansion type temperature control switch.
7. The energy saving power distribution box of claim 6, wherein: the closing temperature of the temperature control switch (10) is 45 ℃.
8. The energy saving power distribution box of claim 6, wherein: the first electric shutter (7) is adapted with a dust screen.
9. The energy saving power distribution box of claim 5, wherein: the heat radiation fan (9) is a brushless axial flow fan.
10. The energy saving power distribution box of claim 1, wherein: the insulating heat conduction layer is made of insulating heat conduction silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001521.3U CN209805180U (en) | 2019-06-28 | 2019-06-28 | Energy-saving distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001521.3U CN209805180U (en) | 2019-06-28 | 2019-06-28 | Energy-saving distribution box |
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| Publication Number | Publication Date |
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| CN209805180U true CN209805180U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921001521.3U Active CN209805180U (en) | 2019-06-28 | 2019-06-28 | Energy-saving distribution box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154280A (en) * | 2020-12-30 | 2021-07-23 | 大连理工江苏研究院有限公司 | Intelligent control device for corridor emergency lamp and implementation method |
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2019
- 2019-06-28 CN CN201921001521.3U patent/CN209805180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154280A (en) * | 2020-12-30 | 2021-07-23 | 大连理工江苏研究院有限公司 | Intelligent control device for corridor emergency lamp and implementation method |
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