CN209310283U - A kind of gas heater - Google Patents
A kind of gas heater Download PDFInfo
- Publication number
- CN209310283U CN209310283U CN201821613686.1U CN201821613686U CN209310283U CN 209310283 U CN209310283 U CN 209310283U CN 201821613686 U CN201821613686 U CN 201821613686U CN 209310283 U CN209310283 U CN 209310283U
- Authority
- CN
- China
- Prior art keywords
- gas heater
- wind pressure
- controller
- blast switch
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005070 sampling Methods 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000003517 fume Substances 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of gas heater, it include: gas heater ontology, the fume exhaust system being mounted on the gas heater ontology, the wind pressure sampling device being connect with the fume exhaust system, and the controller connecting with the wind pressure sampling device, the controller are used to control the work start and stop of gas heater；It is characterized in that, the wind pressure sampling device includes: flat mouth wind pressure sampling mouth and electronics blast switch, one end of the flat mouth wind pressure sampling mouth reaches in the discharge flue of the fume exhaust system, the other end is connect with the negative pressure cavity of the electronics blast switch, and the signal output end of the electronics blast switch is connect with the controller.The utility model is convenient for the parameter regulation of fume exhaust system, production, improves parameter drift problem, to allow gas heater that can effectively carry out blocking protection, improves wind resistance.
Description
Technical field
The utility model relates to fluid heater technical field more particularly to a kind of gas heaters.
Background technique
Existing gas heater will do it blocking protection when combustion position is severe, when the sampling in fume exhaust system
Blast switch disconnects when mouth pressure value reaches the reset values of mechanical blast switch, so that water heater, which stops working, carries out blocking guarantor
Shield.Current fume exhaust system sampling mouth is mostly angle sampling mouth, and sampling mouth slightly rotation pressure value will change, producer's production
It is to be difficult to keep consistency；In addition, mechanical blast switch controls on and off by microswitch, stability is poor, is easy
Existing parameter drift.Two factors combine, and gas heater will appear the situation of blocking shielding failure or wind resistance difference.Such feelings
Condition can only now be solved by replacement fume exhaust system or blast switch, and maintenance difficulty is big, maintenance cost is high.
As shown in Figure 1, it is mechanical blast switch working condition curve, it is mechanical when wind pressure is greater than movement point pressure
Formula blast switch is just connected, and mechanical wind pressure disconnection to be made to have to be down to reduction point or less.When answering for mechanical blast switch
Bigger than normal will lead in site is shut down in advance, and resisting wind press capacity is deteriorated；Reduction point is less than normal to will lead to that Huang Yan, flame is excessive or blocking protection
Failure.As shown in Fig. 2, using the fume exhaust system of angle sampling mouth, when external wind, which presses through, need to carry out blocking protection greatly, this
Shi Ruguo sample mouth negative pressure it is bigger than normal, will lead to Huang Yan, flame it is excessive or blocking shielding failure；If it is less than normal to sample mouth negative pressure, meeting
Cause to shut down in advance, resisting wind press capacity is deteriorated.
Utility model content
Aiming at the problems existing in the prior art, one of the utility model is designed to provide a kind of installation and adjustment side
Just, the good Wind-Pressure Resistance gas heater of stability.
To achieve the above objectives, the utility model adopts the following technical solution.
A kind of gas heater, comprising: gas heater ontology, the smoke evacuation system being mounted on the gas heater ontology
System portion dress, the wind pressure sampling device being connect with the fume exhaust system, and the control being connect with the wind pressure sampling device
Device, the controller are used to control the work start and stop of gas heater；It is characterized in that, the wind pressure sampling device includes: flat
Mouth wind pressure sampling mouth and electronics blast switch, one end of the flat mouth wind pressure sampling mouth reach the smoke evacuation of the fume exhaust system
In channel, the other end connect with the negative pressure cavity of the electronics blast switch, the signal output end of the electronics blast switch and institute
State controller connection.
As a further illustration of the above scheme, the electronics blast switch includes: shell, by the inner cavity of the shell point
For the wind pressure film of positive pressure chamber and negative pressure cavity, the magnet ring being connect with the wind pressure film, and the spring being correspondingly arranged with the magnet ring
And electromagnetic coil；The magnet ring passes in and out the electromagnetic coil with the movement of the wind pressure film, and the electromagnetic coil is made to generate variation
Inductance, the spring give one reset force of the magnet ring.
Frequency is converted by the inductance as a further illustration of the above scheme, being connected on the electromagnetic coil
The PCB of signal is equipped with controller connecting terminal on the pcb.
As a further illustration of the above scheme, the PCB installation is on the housing.
As a further illustration of the above scheme, the controller is the master control being mounted on the gas heater ontology
Device processed.
As a further illustration of the above scheme, operation display is connected on the controller, it is aobvious in the operation
Show that device is equipped with current wind pressure value display window and blocking protection value regulating key.
As a further illustration of the above scheme, the operation display is remote controler, line control machine or is mounted on the combustion
Touch display screen on gas water heater body.
The beneficial effects of the utility model are:
One, the negative pressure value in wind pressure sampling mouth is related with the flow velocity of flue gas, and extraneous wind pressure has an impact to the flow velocity of flue gas,
So the negative pressure value that wind pressure sampling mouth is formed can feed back the variation of extraneous wind pressure.Nozzle face when angle wind pressure sampling mouth rotates
Flue gas flow rate can change, and then negative pressure value change；And the utility model uses flat mouth sampling mouth to will not influence nozzle when rotating
The flue gas flow rate in face, parameter regulation, production convenient for fume exhaust system.
Two, using electronics blast switch, improve parameter drift problem, to allow gas heater that can effectively carry out blocking guarantor
Shield improves wind resistance.
Detailed description of the invention
Fig. 1 show existing wind pressure sampling device switch motion curve.
Fig. 2 show existing wind pressure sampling apparatus structure schematic diagram.
Fig. 3 show gas heater structural schematic diagram provided by the utility model.
Fig. 4 show wind pressure sampling apparatus structure schematic diagram provided by the utility model.
Fig. 5 show wind pressure sampling device switch motion curve provided by the utility model.
Description of symbols:
1: gas heater ontology, 2: fume exhaust system, 3: wind pressure sampling device, 4: controller, 5: operation display.
3-1: flat mouth wind pressure sampling mouth, 3-2: electronics blast switch.
3-2-1: shell, 3-2-2: positive pressure chamber, 3-2-3: negative pressure cavity, 3-2-4: wind pressure film, 3-2-5: magnet ring, 3-2-6: bullet
Spring, 3-2-7: electromagnetic coil, 3-2-8:PCB.
Specific embodiment
In the description of the present invention, it should be noted that for the noun of locality, if any term " center ", " transverse direction ",
" longitudinal direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the utility model description, " at least " is meant that one or more, unless otherwise bright
It is really specific to limit.
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine
Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For
For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In utility model, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" can be with
It is directly contacted including the first and second features, also may include that fisrt feature and second feature are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
It right above second feature and oblique upper, or is only to indicate that first feature horizontal height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that first feature horizontal height is lower than second feature.
Below with reference to the attached drawing of specification, specific embodiment of the present utility model is further described, makes this reality
With novel technical solution and its benefits are clearer.It is exemplary for describing embodiment below with reference to attached drawing
, it is intended to it explains the utility model, and should not be understood as limiting the present invention.
As shown in Figure 3, Figure 4, a kind of gas heater, comprising: gas heater ontology 1 is mounted on gas heater sheet
Fume exhaust system 2 on body 1, the wind pressure sampling device 3 being connect with fume exhaust system 2, and connect with wind pressure sampling device 3
The controller 4 connect；It is characterized in that, the wind pressure sampling device 3 includes: flat mouth wind pressure sampling mouth 3-1 and electronics blast switch
3-2, one end of the flat mouth wind pressure sampling mouth 3-1 reaches in the discharge flue of the fume exhaust system 2, the other end with it is described
The negative pressure cavity of electronics blast switch 3-2 connects, and the signal output end of the electronics blast switch 3-2 is connect with controller 4.
Wherein, the electronics blast switch 3-2 includes: shell 3-2-1, and the inner cavity of the shell 3-2-1 is divided into positive pressure
The wind pressure film 3-2-4 of chamber 3-2-2 and negative pressure cavity 3-2-3, the magnet ring 3-2-5 being connect with wind pressure film 3-2-4, and with magnet ring 3-2-
The 5 spring 3-2-6 and electromagnetic coil 3-2-7 being correspondingly arranged, magnet ring 3-2-5 with the wind press mold 3-2-4 movement pass in and out electromagnetic coil
3-2-7, makes electromagnetic coil 3-2-7 generate the induced current of variation, and spring 3-2-6 gives magnet ring 3-2-5 mono- reset force.
The controller 4 is the master controller being mounted on gas heater ontology 1.
Concrete operating principle are as follows: in electromagnetic coil, magnet ring displacement change electromagnetic coil inductance, inductance by
Pressure signal, is converted into electric signal, is illustrated in figure 5 negative pressure value and output frequency by output frequency signal after PCB3-2-8 processing
Relation curve: the output frequency of electronics blast switch is reduced with the increase of sampling mouth negative pressure value.In the master controller
It is stored with f (frequency)-P (pressure) true value and corresponds to table, can sentence when master controller detects the frequency values of electronics blast switch
Break corresponding sampling mouth negative pressure value: detecting that frequency is less than movement dot frequency and normally starts, detect that frequency is greater than reduction point frequency
Rate carries out blocking protection.
Further, the value that blocking protection value HC, HC are also stored in the master controller is P0, can be true by testing
It is fixed.When sampling 1≤P0 of mouth pressure value P, hot water device carries out blocking protection.The value P0 of HC can pass through the liter on operation display 5
Temperature, cooling key are adjusted, and 1 display window of current sample mouth pressure value P is additionally provided on the operation display.The operation
Display 5 is remote controler, line control machine or the touch display screen being mounted on gas heater ontology 1.
When gas heater combustion position is severe, production or after-sales service personnel can check P1 value at this time, at this point, if
P1≤P0 determines that gas water heater working is normal: if P1 > P0, determining blocking shielding failure, should adjust P0 value at this time and be slightly larger than
Or blocking protection can be carried out when combustion position is severe equal to P1；If P1 < < P0, determines that wind resistance is poor, should adjust at this time
P0 value, which is less than or equal to P1, can be improved wind resistance.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the utility model
It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model
The protection scope of the utility model is fallen in, the protection scope of the utility model should be limited by each claim and its equivalent
It.The part not illustrated in specific embodiment is the prior art or common knowledge.
Claims (7)
1. a kind of gas heater, comprising: gas heater ontology, the smoke evacuation system being mounted on the gas heater ontology
Portion's dress, the wind pressure sampling device being connect with the fume exhaust system, and the controller being connect with the wind pressure sampling device,
The controller is used to control the work start and stop of gas heater；It is characterized in that, the wind pressure sampling device includes: flat mouth wind
Pressure sampling mouth and electronics blast switch, one end of the flat mouth wind pressure sampling mouth reach the discharge flue of the fume exhaust system
The interior, other end is connect with the negative pressure cavity of the electronics blast switch, the signal output end of the electronics blast switch and the control
Device connection processed.
2. a kind of gas heater according to claim 1, which is characterized in that the electronics blast switch includes: shell,
The inner cavity of the shell is divided into the wind pressure film of positive pressure chamber and negative pressure cavity, the magnet ring being connect with the wind pressure film, and with it is described
The spring and electromagnetic coil that magnet ring is correspondingly arranged；The magnet ring passes in and out the electromagnetic coil with the movement of the wind pressure film, makes institute
The inductance that electromagnetic coil generates variation is stated, the spring gives one reset force of the magnet ring.
3. a kind of gas heater according to claim 2, which is characterized in that be connected on the electromagnetic coil by institute
The PCB that inductance is converted into frequency signal is stated, is equipped with controller connecting terminal on the pcb.
4. a kind of gas heater according to claim 3, which is characterized in that the PCB installation is on the housing.
5. a kind of gas heater according to claim 1, which is characterized in that the controller is to be mounted on the combustion gas
Master controller on water heater body.
6. a kind of gas heater according to claim 1, which is characterized in that it is aobvious to be connected with operation on the controller
Show device, current wind pressure value display window and blocking protection value regulating key are equipped on the operation display.
7. a kind of gas heater according to claim 6, which is characterized in that the operation display is remote controler, line
Control device or the touch display screen being mounted on the gas heater ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613686.1U CN209310283U (en) | 2018-09-30 | 2018-09-30 | A kind of gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613686.1U CN209310283U (en) | 2018-09-30 | 2018-09-30 | A kind of gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310283U true CN209310283U (en) | 2019-08-27 |
Family
ID=67670606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821613686.1U Expired - Fee Related CN209310283U (en) | 2018-09-30 | 2018-09-30 | A kind of gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341094A (en) * | 2018-09-30 | 2019-02-15 | 广东万家乐燃气具有限公司 | A kind of gas heater and its blocking guard method |
-
2018
- 2018-09-30 CN CN201821613686.1U patent/CN209310283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341094A (en) * | 2018-09-30 | 2019-02-15 | 广东万家乐燃气具有限公司 | A kind of gas heater and its blocking guard method |
| CN109341094B (en) * | 2018-09-30 | 2024-07-19 | 广东万家乐燃气具有限公司 | Gas water heater and blocking protection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 |