CN203595928U - Control system used on smoke oven - Google Patents
Control system used on smoke oven Download PDFInfo
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- CN203595928U CN203595928U CN201320786241.4U CN201320786241U CN203595928U CN 203595928 U CN203595928 U CN 203595928U CN 201320786241 U CN201320786241 U CN 201320786241U CN 203595928 U CN203595928 U CN 203595928U
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- liquid inlet
- valve
- evaporator
- control system
- controller
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Abstract
The utility model relates to a control system used on a smoke oven. The control system comprises a compressor unit, a liquid inlet ball valve, a liquid inlet solenoid valve, a liquid storage tank, a pressure sensing switch connected to and controlling start/stop of the compressor unit, a controller, a temperature sensor, a check valve and an air return control ball valve; the output end of the compressor unit is connected to an evaporator in the smoke oven via pipelines of the liquid inlet ball valve, the liquid inlet solenoid valve and the liquid storage tank successively; the evaporator is connected back to the input end of the compressor unit via pipelines of the check valve and the air return control ball valve; the pressure sensing switch is parallelly connected with two ends of the evaporator via pipelines; the temperature sensor is in signal connection with the controller; and the controller is in signal connection with the liquid inlet solenoid valve. According to the utility model, by controlling on/off of the liquid inlet solenoid valve, the pressure in air return pipelines is adjusted, and by controlling on/off of the pressuring sensing switch, the start/stop of the compressor unit is controlled and refrigerating fluid is extracted back, so the smoke oven is protected from dangers caused by expansion of the refrigerating fluid during hot smoking.
Description
Technical field
The utility model belongs to food processing machinery field, particularly relates to the control system of smoking process in a kind of control Smoke fumigating box being used on Smoke fumigating box.
Background technology
Domestic food processing equipment has two kinds of sootiness aspect smoking process at present, and it is respectively the 4-10 ℃ of meat products sootiness under low temperature, is commonly called as cold smoking; Meat products sootiness under 70-80 ℃ of higher temperatures, is commonly called as hot smoking.
If cold smoking, hot smoking are reached by two equipment, be easy to realize, because existing ripe automatic temperature-controlled mechanism.In world's food processing machinery industry, still do not have at present an energy can realize cold smoking, can carry out again the Smoke fumigating box of hot smoking.Because in cold smoking or hot smoking, heat is transmitted medium difference, refrigeration by the cold-producing medium in refrigeration unit for example R22 as refrigerant, heat and add hot-air by high pressure steam or electrothermal tube and be effective., cold-producing medium must being extracted in refrigeration unit in evaporator during to hot smoking by cold smoking, otherwise can cause danger because refrigerant heats expands.By heat during to cold smoking, also to consider because of after the expanded by heating factor of cold-producing medium must wait for a period of time, after acquiring a certain degree, the temperature inside the box can start refrigeration sootiness.Therefore conventionally adopt two equipment to reach different technological requirements.But meat products output be not very large but need cold smoking or sootiness use occasion under, as use two equipment to reach requirement, will cause the waste on equipment and space.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of control system that can control Smoke fumigating box and carry out cold smoking and hot smoking, this control system can automatically detect and cold smoking is turned to hot smoking or hot smoking and turn cold smoking and automatically control smoothly, adopt this control system can not only meet the requirement of cold and hot different smoking process in meat products processing, and reduce the equipment cost that meat products machining needs, save space, workshop.
In order to realize foregoing invention object, the utility model has adopted following technical scheme:
Be used in the control system on Smoke fumigating box, this control system comprises compressor train, feed liquor ball valve, liquid inlet electromagnetic valve, fluid reservoir, the connection compressor train that is in Smoke fumigating box outside the pressure-sensitive switch of controlling compressor train start and stop, controller, temperature sensor, retaining valve and return-air control ball valve for detection of sootiness temperature; Compressor train output terminal is connected the evaporator in Smoke fumigating box by feed liquor ball valve, liquid inlet electromagnetic valve with fluid reservoir pipeline successively; Evaporator is connected with return-air control ball valve pipeline the input end that is back to compressor train by retaining valve successively; Pressure-sensitive switch is connected in parallel on evaporator two ends by pipeline; Temperature sensor signal connects controller, and controller signals connects liquid inlet electromagnetic valve.
Further, also comprise the expansion valve being connected between fluid reservoir and evaporator, expansion valve is changed and is carried out by-pass valve control flow by the degree of superheat of evaporator end, prevents evaporator area underutilization and engine knock phenomenon.
As preferably, described controller is PLC.
As preferably, described pipeline is copper pipe.
Adopt the control system on Smoke fumigating box that is used in of technique scheme, the control system of this structure is that the opening and closing by controlling liquid inlet electromagnetic valve regulate the pressure in return line, control again the startup work of compressor and close through the pressure-sensitive switch on pipeline again, the gas-liquid two-phase mixed gas finally reaching in evaporator is drawn back the compressor train to outside, can be because of the expansion of the cold-producing medium situation of causing danger thereby guarantee in the time of hot smoking not.Therefore, adopt the Smoke fumigating box of such control system can either carry out that cold smoking is convertible again carries out hot smoking, an equipment solves two kinds of smoking process, provides cost savings and space.
Accompanying drawing explanation
Fig. 1: the structural representation that is used in the control system on Smoke fumigating box in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1: a kind of control system being used on Smoke fumigating box as shown in Figure 1, this control system mainly by be in Smoke fumigating box outside compressor train 1, feed liquor ball valve 2, liquid inlet electromagnetic valve 3, fluid reservoir 4, expansion valve 6, connect compressor train 1 and control the pressure-sensitive switch 5, controller 11 of compressor train 1 start and stop, temperature sensor 12, retaining valve 8 and return-air control ball valve 9 for detection of sootiness temperature forms.
As shown in Figure 1, wherein compressor train 1 output terminal is finally penetrated and in Smoke fumigating box, is connected into evaporator 7 by contact successively feed liquor ball valve 2, liquid inlet electromagnetic valve 3, fluid reservoir 4 and expansion valve 6 of copper pipe 10.Evaporator 7 is connected with return-air control ball valve 9 input end that is back to compressor train 1 by copper pipe 10 retaining valve 8 of contacting successively again.When compressor train 1 is worked, liquid refrigerant is drawn back and be compressed into the refrigerant gas in the copper pipe at output terminal rear 10 pipelines, transport to evaporator 7 from the output terminal of compressor train 1, realize refrigeration.Above-mentioned pressure-sensitive switch 5 is connected in parallel on evaporator 7 two ends by copper pipe 10, and wherein a sys node is connected on the copper pipe 10 between fluid reservoir 4 and expansion valve 6, and another sys node is connected on the copper pipe 10 between retaining valve 8 and evaporator 7.Said temperature sensor 12 is in Smoke fumigating box and is arranged on evaporator 7, thereby is used for surveying the definite sootiness temperature of temperature of evaporator 7.Temperature sensor 12 connects controller 11 input ends by signal wire 13, and controller 11 output terminals connect liquid inlet electromagnetic valve 3 by signal wire 13, thereby controls liquid inlet electromagnetic valve 3 switch degree.
For parameters such as convenient input cold smoking initial temperature value, time delays, in the utility model, above-mentioned controller 11 is programmable PLC.
Adopt the Smoke fumigating box of above-mentioned control system, by cold smoking, the automatic control course of work during to hot smoking is as follows for it:
When Smoke fumigating box finishes cold smoking, the signal controlling liquid inlet electromagnetic valve 3 that PLC detects according to temperature sensor 12, thus stop cold-producing medium to enter evaporator 7.Now compressor train 1 continues in work, has previously stayed after liquid inlet electromagnetic valve 3 to the refrigerant gas in copper pipe 10 pipelines of compressor train 1 input end and has progressively been drawn back in compressor train 1.When compressor train 1 is worked after certain hour, the pressure decreased in the pipeline after liquid inlet electromagnetic valve 3 is after the pressure threshold on pressure-sensitive switch 5, and the normally closed point of pressure-sensitive switch 5 disconnects, and automatically quits work thereby control compressor train 1.Now being in that the compressed unit 1 of cold-producing medium in the evaporator 7 in sootiness casing detaches can hot smoking level, just can enter afterwards hot smoking process.
On the contrary, Smoke fumigating box by hot smoking the automatic control course of work during to cold smoking:
In PLC director demon, set cold smoking initial temperature value, operated by rotary motion is 30 ℃ of left and right.Need to enter cold smoking once finish hot smoking, temperature sensor 12 in Smoke fumigating box can be passed to PLC controller by temperature signal, make comparisons with cold smoking initial temperature, just can enter cold smoking if be less than cold smoking initial temperature, PLC can export closure signal to liquid inlet electromagnetic valve 3, now cold-producing medium can enter liquid inlet electromagnetic valve 3 pipeline afterwards, pressure in pipeline after liquid inlet electromagnetic valve 3 is raise, exceed after the pressure threshold on pressure-sensitive switch 5, the normally closed closure of pressure-sensitive switch 5, starts working automatically thereby control compressor train 1.If be not reduced to cold smoking initial temperature, reach after cold smoking initial temperature until the temperature inside the box is naturally cooling, then carry out above-mentioned steps, finally automatically enter cold smoking state.
A whole set of smoking equipment by Smoke fumigating box casing, be in evaporator 7 in Smoke fumigating box casing and above-mentioned composition of the control system.Wherein compressor train 1 is arranged on Smoke fumigating box casing outside, temperature sensor 12 is arranged on the evaporator 7 in Smoke fumigating box casing, and feed liquor ball valve 2, liquid inlet electromagnetic valve 3, fluid reservoir 4, expansion valve 6, retaining valve 8 and return-air control ball valve 9 are installed on the rear wall of Smoke fumigating box casing.Compressor train 1, away from Smoke fumigating box casing, is specifically arranged on the wall of outside, workshop, can reach so good radiating effect.In order to facilitate wiring, PLC is also arranged on Smoke fumigating box casing.
The utility model is not limited to above-mentioned embodiment; only otherwise depart under the prerequisite of the present utility model aim; no matter make any equivalent variations in its shape, structure or annexation; such as controller also can adopt single-chip microcomputer, PID controller; and connect pipeline also can adopt other metal materials outside copper, these change all within the utility model protection domain.
Claims (4)
1. be used in the control system on Smoke fumigating box, it is characterized in that: this control system comprise be in Smoke fumigating box outside compressor train (1), feed liquor ball valve (2), liquid inlet electromagnetic valve (3), fluid reservoir (4), connect compressor train (1) and control the pressure-sensitive switch (5), controller (11) of compressor train (1) start and stop, temperature sensor (12), retaining valve (8) and return-air control ball valve (9) for detection of sootiness temperature; Compressor train (1) output terminal is connected the evaporator (7) in Smoke fumigating box by feed liquor ball valve (2), liquid inlet electromagnetic valve (3) with fluid reservoir (4) pipeline successively; Evaporator (7) is connected with return-air control ball valve (9) pipeline the input end that is back to compressor train (1) by retaining valve (8) successively; Pressure-sensitive switch (5) is connected in parallel on evaporator (7) two ends by pipeline; Temperature sensor (12) signal connects controller (11), and controller signals connects liquid inlet electromagnetic valve (3).
2. a kind of control system being used on Smoke fumigating box according to claim 1, is characterized in that: also comprise the expansion valve (6) being connected between fluid reservoir (4) and evaporator (7).
3. a kind of control system being used on Smoke fumigating box according to claim 1, is characterized in that: described controller (11) is PLC.
4. a kind of control system being used on Smoke fumigating box according to claim 1, is characterized in that: described pipeline is copper pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786241.4U CN203595928U (en) | 2013-12-04 | 2013-12-04 | Control system used on smoke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320786241.4U CN203595928U (en) | 2013-12-04 | 2013-12-04 | Control system used on smoke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595928U true CN203595928U (en) | 2014-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320786241.4U Expired - Fee Related CN203595928U (en) | 2013-12-04 | 2013-12-04 | Control system used on smoke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374383A (en) * | 2017-06-28 | 2017-11-24 | 绿山烧烤用品(武汉)有限公司 | Cold smoke smokes automatically controlled WiFi ovens |
| CN108093620A (en) * | 2015-06-08 | 2018-05-29 | 万事得制造有限责任公司 | Free-standing combustion gas fumigator with mechanical temperature control |
-
2013
- 2013-12-04 CN CN201320786241.4U patent/CN203595928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108093620A (en) * | 2015-06-08 | 2018-05-29 | 万事得制造有限责任公司 | Free-standing combustion gas fumigator with mechanical temperature control |
| CN107374383A (en) * | 2017-06-28 | 2017-11-24 | 绿山烧烤用品(武汉)有限公司 | Cold smoke smokes automatically controlled WiFi ovens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Control system used on smoke oven Effective date of registration: 20170713 Granted publication date: 20140514 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing science and Technology Branch Pledgor: Jiaxing Ai Bo Industrial Co., Ltd. Registration number: 2017330000067 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180625 Granted publication date: 20140514 Pledgee: Agricultural Bank of China Limited by Share Ltd Jiaxing science and Technology Branch Pledgor: Jiaxing Ai Bo Industrial Co., Ltd. Registration number: 2017330000067 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20201204 |