CN207870751U - Low-pressure energy-saving electricity steam box - Google Patents

Abstract

The utility model provides a kind of low-pressure energy-saving electricity steam box, i.e., steam box food cooked with the steam of low pressure is made of thermal-insulating body, heating wire, baroswitch, level control switch for water, outlet valve and electronic timer control circuit etc..It is food to be placed in the thermal-insulating body that one has sealing joint strip door side and sealing, the water in seal case is heated into steam with heating wire, steam is after heat foods, steam pressure increases in case, steam pressure makes baroswitch connect, and timer is started to work, and heater strip stops heating.When the temperature inside the box is low, air pressure reduction in case, baroswitch disconnects, and timer is stopped, and heater strip is begun to warm up.Thus can timing heating of the hot steam to various foods for keeping low pressure in case, until cooking.Men Bianyong " E " shape sealing joint strip of steam box realizes the sealing in case.When water is very little in steam box, level control switch for water will disconnect automatically, and automatically begin to supply water.

Description

Low-pressure energy-saving electricity steam box

Technical field

It is especially internal to install level control switch for water, baroswitch and electronics additional the utility model is related to a kind of electric steam box instrument Timer etc., different food can be heated to automatically it is ripe, and save electric energy.

Background technology

Currently, well-known electricity steam box is all an electric-heating-wire-heating water, water generates steam to cook food, this steam box Equipped with water level controller, easy burn-out heater strip, water is too many in case, generates that steam is slow, and door seal is not tight, and steam is excluded from stomata, is steamed Case is powered always, and such steam box not only wastes electric energy, but also cannot automatically control, and high failure rate.

Invention content

In order to overcome existing steam box, waste is electric, high failure rate, the shortcomings of cannot automatically controlling, the utility model low pressure section Energy steam box, failure rate is low, can be automatically controlled using the pressure of low-pressure steam to realize.

The utility model low-pressure energy-saving steam box solves scheme used by its technical problem：The bottom of box sealed at one In sink, heating wire is placed, sink is interior to be isolated in heating wire a part seldom in sink with thermal insulation board, and such heating wire is very Just least a portion of water in sink is heated quickly soon and becomes steam, opened in the sink of bottom a water outlet and water level controller into Water hole communicates, and when water level decreasing in sink, level control switch for water disconnects, and heating wire does not heat at this time, and water inlet switch connects automatically Energization source, water supply start, after water supply makes in sink water level increase, level control switch for water is connected, heating wire can with electrified regulation, A venthole is opened in electric steam box babinet, venthole tracheae is connect with baroswitch, the one group of switch and power supply of baroswitch The coil of time switch is connected, and another group is connected with relay coil.When opening time switch, power supply is connected, heater strip After water in steam box is heated into steam, low-pressure steam will disconnect baroswitch, and heating wire stops heating, electronic timing at this time Device starts timing, will reduce when steaming the temperature inside the box reduction steam pressure, baroswitch just will disconnect, and heating wire begins to warm up work Make, electronic timer stops timing, and such electronic timer predetermined time is exactly the steaming time for having in steam box high-temperature low-pressure, institute Difference of fixing time can cook food different in case, reach the Best Times of steaming foods.Steam is from door side in order to prevent Leakage, the strip of paper used for sealing section of door are the whole quadrangle sealing rubber ring of " E " shape, the periphery of door glass are fixed on, when case inner vapor pressure Power increases, and sealing rubber ring elastic edge deforms upon, forms sealing.

The utility model has the beneficial effects that：The connection of baroswitch is realized with the variation of the steam pressure of high-temperature low-pressure And disconnection, connecting and disconnecting and electronic timer to control heater strip are walked to stop, so that it may cook various foods, only in the week of door It is " E " shape entirety quadrangle sealing ring that section is installed on side, and steam box interior outside installs level control switch for water, and baroswitch and electronics are fixed When device and circuit structure it is simple.

Description of the drawings

Description of the drawings：The utility model is further illustrated with reference to the accompanying drawings and examples

Fig. 1 is the sectional view of the door sealing cushion rubber of utility model low-pressure energy-saving electricity steam box

Fig. 2 is the circuit diagram of utility model low-pressure energy-saving electricity steam box

In figure：The sectional view of " 1. E " shape sealing rubber ring；The fixation bayonet of " 2. E " shape sealing rubber ring；" 3. E " shape fluid sealant The elastic edge of circle；4. air pressure on-off switch；5. battery main switch；6. relay control switch；7. level control switch for water；8. intaking Control switch；9. heater strip；10. electronic timing control switch

Specific implementation mode

In Fig. 1 2. 3. the fixation bayonet of " E " shape sealing rubber ring is integrated with the elastic edge of " E " shape sealing rubber ring, is formed 1., 2., the periphery for being fixed on door forms sealed elastic side to the fixation bayonet of " E " shape sealing rubber ring for four sides " E " shape sealing rubber rings 3. being mutually posted on together with the cabinet door side of low-pressure energy-saving electricity steam box, when steam generates pressure, " E " shape sealing rubber ring in electric steam box body Elastic edge 3. will deform upon, make to be affixed tighter formation sealing between the door and babinet of electric steam box, make the height in electric steam box Warm steam will not run away from door side surrounding.

In fig. 2, battery main switch is opened 5., electric steam box powers on, and 10. rotation electronic timing control switchs, electric steam box Power on start-up operation, at this time in electric steam box babinet without steam, air pressure on-off switch 4. 1,2 it is separated, 2,3 it is indirectly It is logical, so that relay control switch is 6. connected.When anhydrous in steam box or water is few, 7. level control switch for water disconnects, opened into water management Close coils from parallel connection of coils 8. level control switch for water 7. on, the resistance very little of heater strip 9., such power supply by battery main switch 5., Electronic timing control switch 10., heater strip 9., 6. relay control switch reaches into connecting electricity on water control switch coil 8. Source starts work of intaking.After water level increases in electric steam box, 7. level control switch for water is connected, 8. stop into water control switch at this time Only supply water (into water control switch, 8. coil is short-circuited), power supply by battery main switch 5., electronic timing control switch 10., water level Control switch 7., relay control switch 6. reach heater strip 9., 9. the water in case is heated into steam by heating wire soon, more When generating certain low-pressure come more high-temperature steams, air pressure on-off switch 1,2 communicating 4., 2,3 disconnect (air pressure on-off switches 4. two groups of switches be in parallel respectively with the coil of relay control switch coil 6. and electronic timing control switch 10.), this When relay coil by air pressure on-off switch 1,2 communicating and short-circuit 4., 6. relay control switch disconnects, 9. heater strip stops Heating, 5. by battery main switch, 10. air pressure on-off switch 4. 1,2 group, electronic timing control switch, it is fixed to reach electronics to power supply When control switch coil 10., 10. electronic timing control switch starts to work timing, when temperature declines in electric steam box, steam pressure Also decline, at this time 1,2 disconnections of air pressure on-off switch 4., 2,3 communicate, and the coil of electronic timing control switch 10. is by air pressure break-make Switch 4. 2,3 short circuit, electronic timing controller 10. stop timing, power supply by battery main switch 5., air pressure on-off switch 4. 2,3 groups, 10. electronic timing control switch, reaches relay control switch coil 6., relay control switch is made 6. to connect, 9. to heater strip, power on, continue to heat water into steam, form steam pressure, repeat the above process, by steam-cooking food in case, Under the heating of low-pressure steam, after becoming ripe in the fixed time, timer is stopped, and disconnects working power, realizes certainly Dynamic control.

Claims (4)

1. a kind of low-pressure energy-saving electricity steam box, is made of, feature baroswitch, electronic timing controller and babinet etc.：Door seal is used Section is the quadrangle sealing rubber ring of ' E ' shape, is fixed on door glass periphery, heater strip on-off is controlled with steam pressure What power supply and electronic timing control switched walks to stop.

2. low-pressure energy-saving electricity steam box according to claim 1, feature：A venthole, venthole gas are opened in babinet Pipe is connected with baroswitch.

3. low-pressure energy-saving electricity steam box according to claim 1, feature：Into water control switch coils from parallel connection of coils in water level control On system switch.

4. low-pressure energy-saving electricity steam box according to claim 1, feature：Two groups of switches of air pressure on-off switch respectively with after Coil and electronic timing the control switch coil of electric control switch are in parallel.