CN219102970U

CN219102970U - Backup pad and gas boiler thereof

Info

Publication number: CN219102970U
Application number: CN202223360932.6U
Authority: CN
Inventors: 徐意; 石宏军; 陈兵权
Original assignee: Desen Changzhou Energy Equipment Co ltd
Current assignee: Desen Changzhou Energy Equipment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-30
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a supporting plate and a gas boiler thereof. Above-mentioned backup pad is through being equipped with fixed part and installation department, with fixed part fixed mounting on the combustion chamber end cover, the installation of the backup pad of being convenient for, then install ignition transformer in the installation department, make ignition transformer keep away from the combustion chamber end cover and install, reduce the heat transfer on the end cover to on the ignition transformer, and through the effect of heat dissipation window, dispel the heat to installation department, ignition transformer, further reduce thermal transfer, simultaneously, ignition transformer is close to the combustion chamber end cover setting, be convenient for to the wiring of ignition transformer and ignition electrode, because the wiring is shorter, can not influence the installation and the dismantlement of other equipment.

Description

Backup pad and gas boiler thereof

Technical Field

The utility model relates to the technical field of boilers, in particular to a supporting plate and a gas boiler thereof.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The gas boiler is a boiler using natural gas as main fuel, which is widely used in life and industrial production by mixing natural gas with air, inputting the mixture into a burner, igniting the mixture for combustion, and then exchanging heat between the obtained high-temperature flue gas and cold water to generate high-temperature hot water or water vapor.

The existing industrial boilers mostly adopt an automatic ignition mode, and are usually ignited by electric sparks, an ignition transformer is arranged in an ignition control system of a burner or a combustor, the ignition transformer is matched with an ignition electrode, the ignition transformer is converted from low voltage to high voltage, the ignition electrode is enabled to generate discharge sparks in a small gap on the combustor, and mixed gas of fuel gas and air is ignited, so that the automatic ignition function of the combustor is realized.

The current installation modes of the ignition transformer are divided into two types: firstly, an ignition transformer is directly and fixedly arranged on a combustion chamber, and heat is insulated between the ignition transformer and the combustion chamber through a heat insulation gasket, so that heat is prevented from being transferred into the ignition transformer; however, in the mode, the heat insulation gasket is easy to age because of long-term working under a high-temperature environment, and the heat dissipation effect in the ignition transformer is poor due to the sealing arrangement between the ignition transformer and the combustion chamber; secondly, the ignition transformer is arranged on other positions, such as a fan, a frame and other equipment far away from the combustion chamber, and is connected with the ignition electrode through wiring; if adopt foretell mode, then need dispose longer wiring, link to each other ignition transformer and ignition electrode to because the wiring is longer, can influence ignition transformer by the transmission efficiency of low pressure conversion to high pressure, still need consider the aesthetic property of the fixed and the installation of wiring simultaneously, avoid influencing the installation and the dismantlement of other equipment.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the present utility model is to provide a supporting plate, which solves the above-mentioned conventional problems, can reduce heat transfer to an ignition transformer, is convenient to install, and does not affect the installation and disassembly of other devices.

The second object of the utility model is to provide a gas boiler using the support plate.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a support plate for mounting on a gas-fired boiler, the gas-fired boiler comprising a combustor end cap and an ignition transformer, the support plate comprising a fixed portion and a mounting portion extending from the fixed portion; the fixing part is provided with a fixing hole for being arranged on the end cover of the combustion chamber; the mounting part comprises a first connecting part, a second connecting part, a third connecting part and a fourth connecting part, one ends of the first connecting part and the second connecting part are respectively connected with two ends of the fixing part, and the other ends of the first connecting part and the second connecting part are respectively connected with the third connecting part to form a heat dissipation window; the fourth connecting part is arranged close to the third connecting part and divides the heat dissipation window into a first heat dissipation cavity and a second heat dissipation cavity; the fourth connecting part is provided with a mounting hole for fixedly mounting the ignition transformer.

Preferably, the fixing part has an arc-shaped structure.

Preferably, the number of the fixing holes is 2, and each fixing hole is respectively located at two opposite ends of the fixing portion.

Preferably, the first connecting portion and the second connecting portion are arranged in parallel, the third connecting portion and the first connecting portion or the second connecting portion are arranged vertically, and the third connecting portion and the fourth connecting portion are arranged in parallel.

Preferably, the length of the first connecting portion is smaller than the length of the second connecting portion, and the width of the third connecting portion is smaller than the width of the fourth connecting portion.

Preferably, the window size of the first heat dissipation cavity is larger than the window size of the second heat dissipation cavity.

Preferably, the second heat dissipation cavity is rectangular.

The second purpose of the utility model is realized by adopting the following technical scheme:

a gas boiler comprising the above-mentioned support plate.

Preferably, the gas boiler further comprises a combustion chamber, a combustion chamber end cover, an ignition electrode and an ignition transformer, wherein the combustion chamber end cover is arranged on an air inlet hole of the combustion chamber, the combustion chamber end cover is provided with an annular fixing flange, the fixing flange is provided with a plurality of bolt hole sites, and the fixing hole of the supporting plate is correspondingly arranged with two bolt hole sites; the ignition electrode is installed on the combustion chamber end cover, the ignition transformer is installed on the installation part of the supporting plate, and the ignition transformer is electrically connected with the ignition electrode.

Preferably, the minimum distance between the ignition transformer and the end cover of the combustion chamber after the ignition transformer is installed on the installation part is 2cm-8cm, and a gap is formed between the ignition transformer and the combustion chamber.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the fixing part and the mounting part are arranged, so that the fixing part is fixedly mounted on the end cover of the combustion chamber, the mounting of the support plate is facilitated, then the ignition transformer is mounted on the mounting part, the ignition transformer is far away from the end cover of the combustion chamber, the heat on the end cover is reduced to be transferred to the ignition transformer, the mounting part and the ignition transformer are subjected to heat dissipation and temperature reduction through the effect of the heat dissipation window, the heat transfer is further reduced, and meanwhile, the ignition transformer is arranged close to the end cover of the combustion chamber, so that the wiring of the ignition transformer and the ignition electrode is facilitated, and the mounting and the dismounting of other equipment are not influenced due to the fact that the wiring is shorter.

Drawings

FIG. 1 is a schematic view of a support plate according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the front structure of the support plate of FIG. 1 after installation with an ignition transformer and a combustor end cover;

fig. 3 is a schematic side view of the support plate of fig. 2 after installation with an ignition transformer and a combustor end cover.

In the figure: 100. a support plate; 10. a fixing part; 11. a fixing hole; 20. a mounting part; 21. a first connection portion; 22. a second connecting portion; 23. a third connecting portion; 24. a fourth connecting portion; 240. a mounting hole; 25. a first heat dissipation chamber; 26. a second heat dissipation chamber; 200. a combustor end cap; 300. an ignition transformer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present utility model, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1, a support plate 100 according to a preferred embodiment of the present utility model is used for being mounted on a gas boiler, the gas boiler comprises a combustion chamber end cover 200 and an ignition transformer 300, the ignition transformer 300 is mounted on the support plate 100, and the support plate 100 is mounted on the combustion chamber end cover 200, specifically, the support plate 100 comprises a fixing portion 10 and a mounting portion 20 extending from the fixing portion 10; the fixing portion 10 is provided with a fixing hole 11 for mounting on the combustor cap 200; the mounting portion 20 includes a first connecting portion 21, a second connecting portion 22, a third connecting portion 23 and a fourth connecting portion 24, one ends of the first connecting portion 21 and the second connecting portion 22 are respectively connected with two ends of the fixing portion 10, and the other ends of the first connecting portion 21 and the second connecting portion 22 are respectively connected with the third connecting portion 23 to form a heat dissipation window; the fourth connecting part 24 is arranged near the third connecting part 23 and divides the heat dissipation window into a first heat dissipation cavity 25 and a second heat dissipation cavity 26; the fourth connection portion 24 is provided with a mounting hole 240 for fixedly mounting the ignition transformer 300.

Above-mentioned backup pad 100 is through being equipped with fixed part 10 and installation department 20, with fixed part 10 fixed mounting on combustion chamber end cover 200, the installation of backup pad 100 of being convenient for, then install ignition transformer 300 at installation department 20, make ignition transformer 300 keep away from combustion chamber end cover 200 installation, reduce the heat transfer on the end cover to ignition transformer 300 on, and through the effect of heat dissipation window, carry out the heat dissipation cooling to installation department 20, ignition transformer 300, further reduce the heat transfer, simultaneously, ignition transformer 300 is close to combustion chamber end cover 200 setting, be convenient for to the wiring of ignition transformer 300 and ignition electrode, because the wiring is shorter, can not influence the installation and the dismantlement of other equipment.

In one embodiment, the fixing portion 10 has an arc-shaped structure, and is configured to match the shape of the end cover 200 of the combustion chamber, so that the support plate 100 and the mounting position of the end cover can be matched to be mounted on the combustion chamber together. In the present embodiment, the number of the fixing holes 11 is 2, and each fixing hole 11 is located at opposite ends of the fixing portion 10. I.e. the length of the fixing portion 10 matches the distance of the two mounting locations on the end cap.

In order to match the installation of the ignition transformer 300, the first connecting portion 21 and the second connecting portion 22 are arranged in parallel, the third connecting portion 23 and the first connecting portion 21 or the second connecting portion 22 are arranged vertically, and the third connecting portion 23 and the fourth connecting portion 24 are arranged in parallel, so that the ignition transformer 300 can be better fixed, and meanwhile, heat transfer can be reduced. The length of the first connecting portion 21 is smaller than that of the second connecting portion 22, so as to match the arc-shaped arrangement of the fixing portion 10. The width of the third connection portion 23 is smaller than the width of the fourth connection portion 24 to provide a wider location for the ignition transformer 300 to be mounted.

In the present embodiment, the window size of the first heat dissipation chamber 25 is larger than the window size of the second heat dissipation chamber 26. Wherein the second heat dissipation chamber 26 is rectangular. Since the ignition transformer 300 is mounted on the mounting portion 20, a part of the heat dissipation window is blocked, the first heat dissipation cavity 25 is used for dissipating heat from a part of the mounting portion 20 close to the end cover, and the second heat dissipation cavity 26 is used for dissipating heat from the ignition transformer 300.

In the present embodiment, the support plate 100 is integrally made of a material having a good heat dissipation effect. The support plate 100 is connected with the ignition transformer 300 and the combustor end cover 200 through bolts.

In other embodiments, as shown in fig. 2 and 3, the present utility model further provides a gas boiler including the above-mentioned support plate 100. The gas boiler further comprises a combustion chamber, a combustion chamber end cover 200, an ignition electrode and an ignition transformer 300, wherein the combustion chamber end cover 200 is arranged on an air inlet hole of the combustion chamber, the combustion chamber end cover 200 is provided with an annular fixing flange, the fixing flange is provided with a plurality of bolt hole sites, and the fixing hole 11 of the supporting plate 100 is correspondingly arranged with two bolt hole sites; the ignition electrode is mounted on the combustion chamber end cap 200, the ignition transformer 300 is mounted on the mounting portion 20 of the support plate 100, and the ignition transformer 300 is electrically connected to the ignition electrode.

In this embodiment, the minimum distance between the ignition transformer 300 and the combustion chamber end cover 200 after being mounted on the mounting portion 20 is 2cm-8cm, and a gap is formed between the ignition transformer 300 and the combustion chamber, so that the heat dissipation of the ignition transformer 300 is better, the distance between the ignition transformer and the ignition electrode is moderate, and other unnecessary mounting problems are reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A support plate for mounting on a gas-fired boiler, the gas-fired boiler comprising a combustion chamber end cap and an ignition transformer, the support plate comprising a fixing portion and a mounting portion extending from the fixing portion; the fixing part is provided with a fixing hole for being arranged on the end cover of the combustion chamber; the mounting part comprises a first connecting part, a second connecting part, a third connecting part and a fourth connecting part, one ends of the first connecting part and the second connecting part are respectively connected with two ends of the fixing part, and the other ends of the first connecting part and the second connecting part are respectively connected with the third connecting part to form a heat dissipation window; the fourth connecting part is arranged close to the third connecting part and divides the heat dissipation window into a first heat dissipation cavity and a second heat dissipation cavity; the fourth connecting part is provided with a mounting hole for fixedly mounting the ignition transformer.

2. The support plate of claim 1, wherein the securing portion has an arcuate configuration.

3. The support plate of claim 2, wherein the number of the fixing holes is 2, and each of the fixing holes is located at opposite ends of the fixing portion.

4. The support plate of claim 1, wherein the first connection portion and the second connection portion are disposed in parallel, the third connection portion and the first connection portion or the second connection portion are disposed vertically, and the third connection portion and the fourth connection portion are disposed in parallel.

5. The support plate of claim 4, wherein the length of the first connection portion is less than the length of the second connection portion, and the width of the third connection portion is less than the width of the fourth connection portion.

6. The support plate of claim 4, wherein a window size of the first heat dissipation chamber is greater than a window size of the second heat dissipation chamber.

7. The support plate of claim 6, wherein the second heat dissipation chamber is rectangular.

8. A gas boiler comprising a support plate according to any one of claims 1-7.

9. The gas boiler according to claim 8, further comprising a combustion chamber, a combustion chamber end cover, an ignition electrode and an ignition transformer, wherein the combustion chamber end cover is mounted on an air inlet hole of the combustion chamber, the combustion chamber end cover is provided with an annular fixing flange, the fixing flange is provided with a plurality of bolt hole sites, and the fixing hole of the supporting plate is arranged corresponding to two of the bolt hole sites; the ignition electrode is installed on the combustion chamber end cover, the ignition transformer is installed on the installation part of the supporting plate, and the ignition transformer is electrically connected with the ignition electrode.

10. A gas boiler according to claim 9, wherein the minimum distance between the ignition transformer and the end cap of the combustion chamber after the ignition transformer is mounted on the mounting portion is 2cm-8cm, and a gap is provided between the ignition transformer and the combustion chamber.