CN201032195Y

CN201032195Y - Electromagnetic heater

Info

Publication number: CN201032195Y
Application number: CNU2006200522407U
Authority: CN
Inventors: 袁亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-13
Filing date: 2006-09-13
Publication date: 2008-03-05
Anticipated expiration: 2016-09-13

Abstract

The utility model discloses an induction cooker, comprising a cooker body (1), a panel (2) arranged on the cooker body (1) and a temperature probe device arranged on the panel (2). The temperature probe device consists of a temperature probe device base (4); the inner hole of the temperature probe device base (4) is provided with a temperature probe component; the temperature probe component can slide corresponding to the temperature probe device base (4). The temperature probe component consists of a slide sleeve; the inner hole of the slide sleeve is provided with a thermal conductive cap (9) and a temperature probe device body (10); a metal thermal conductive hull (7) and a thermal conductive pad (8) are arranged between the thermal conductive cap (9) and the temperature probe device body (10); a temperature probe (6) is clamped in a circular ring arranged on the metal thermal conductive hull (7). When the utility model is used, the temperature probe device can directly contact the bottom of a boiler apparatus; therefore, the temperature control is accurate; and the manufacture and installation are simple.

Description

A kind of electromagnetic oven

Technical field

The utility model relates to a kind of electromagnetic oven, be specially a kind of under user mode the temperature-sensing probe device can directly contact and make, install simple electromagnetic oven with pan bottom.

Background technology

Existing widely used electromagnetic oven, basically be the lower surface that the temperature-sensing probe device is installed in panel, during use, pan is placed on the panel, pan bottom directly contact with panel, when the electromagnetic wire of the coil generation of panel below passes the pan of ferrimagnet, and generation vortex flow and generating heat bottom pan, the temperature that the temperature-sensing probe device detects is the temperature of heat after the panel conduction that the pan bottom produces, and therefore has following problem: 1, lag behind in time.Because the material of panel mostly is micro-crystalline ceramic or glass, these materials are the non-conductor of heat, the heat that the pan bottom produces is just detected by the temperature-sensing probe device after the non-conductor panel conduction of heat, the variations in temperature of the relative pan of the variations in temperature that detects like this, bottom lags behind in time.2, ratio error is bigger mutually for the true temperature of the temperature that detects bottom pan.Because the heat that the pan bottom produces is just detected by the temperature-sensing probe device after the non-conductor panel conduction of heat, in warm-up period, the temperature that detects is lower than the temperature of pan bottom, add the effect of radiator fan in the body of heater, make that the temperature that detects is lower, therefore, ratio error is bigger mutually for the temperature of the temperature that detects bottom pan.Because the temperature error of temperature that detects and pan bottom is big and time lag, make the constant temperature function of microcomputer control circuit can not truly reflect the temperature of pan bottom, so just might cause the temperature of pan bottom and the temperature of panel upper surface to surpass the temperature range of setting or allow, thus scaling loss pan and panel.

The utility model content

The purpose of this utility model provides a kind of temperature-sensing probe device and can directly contact with the pan bottom, the accurate quick detection of energy to pan bottom temp and manufacturing, simple electromagnetic oven is installed.

For achieving the above object, the utility model electromagnetic oven, comprise body of heater (1), be installed in the panel (2) on the body of heater (1) and be installed in temperature-sensing probe device on the panel (2), this temperature-sensing probe device includes temperature-sensing probe erection seat (4) and is sleeved on temperature-sensing probe assembly in temperature-sensing probe erection seat (4) endoporus, temperature-sensing probe assembly temperature-sensing probe erection seat (4) relatively slides, spring (11) also is installed in the endoporus of temperature-sensing probe erection seat (4), one end of this spring (11) contacts with the temperature-sensing probe assembly, temperature-sensing probe erection seat (4) is installed in the temperature-sensing probe device in the hole of panel (2) with fixture (3), the temperature-sensing probe assembly includes temperature-sensing probe (6), lead (13), its temperature-sensing probe assembly also includes heat conduction cap (9), this heat conduction cap (9) is made with the good conductor of heat, be connected with temperature-sensing probe device body (10) by the below at heat conduction cap (9), between heat conduction cap (9) downside and temperature-sensing probe device body (10) upper end, temperature-sensing probe (6) be installed.

Above-mentioned electromagnetic oven, between heat conduction cap (9) downside and temperature-sensing probe device body (10) upper end, metal heat-conducting skin (7) is installed, this metal heat-conducting skin (7) is the middle part and is annulus, the version that flank is arranged in the both sides of this annulus, temperature-sensing probe (6) is stuck in this annulus, and metal heat-conducting skin (7) is installed between heat conduction cap (9) and the temperature-sensing probe device body (10) by two flanks.

Above-mentioned electromagnetic oven is equipped with heat conductive pad (8) between heat conduction cap (9) and temperature-sensing probe device body (10), this heat conductive pad (8) is made by flexible Heat Conduction Material, and its downside contacts with temperature-sensing probe (6).

Above-mentioned electromagnetic oven is equipped with heat conductive pad (8) between heat conduction cap (9) and metal heat-conducting skin (7).

Above-mentioned electromagnetic oven, its heat conduction cap (9) and temperature-sensing probe device body (10) are installed in the endoporus of slip cap (5), and slip cap (5) is installed in the endoporus of temperature-sensing probe erection seat (4).

Because the utility model electromagnetic oven, its temperature-sensing probe device is installed in the endoporus of panel by temperature-sensing probe erection seat and fixture, the temperature-sensing probe assembly of its slip relatively is installed in the endoporus of temperature-sensing probe erection seat, this temperature-sensing probe assembly includes the heat conduction cap, lead, the heat conduction cap contacts by Heat Conduction Material with temperature-sensing probe, in temperature-sensing probe erection seat endoporus, spring is installed also, the temperature-sensing probe assembly stretches out the temperature-sensing probe erection seat under the effect of spring, the upper side of heat conduction cap is higher than the upper end of temperature-sensing probe erection seat, when the temperature-sensing probe assembly is withdrawn into extreme lower position, the upper end of the upper side of heat conduction cap and temperature-sensing probe device body flushes with or slightly higher than its upper end, so just guaranteed direct contact of heat conduction cap upper side with the pan bottom, because the material of heat conduction cap is the good conductor of heat, temperature-sensing probe is installed in the downside of heat conduction cap and contacts by Heat Conduction Material, therefore, temperature-sensing probe can detect the temperature and the variation thereof of pan bottom apace, and control electromagnetic oven microcomputer control circuit work, so just guaranteed that this reality has novel temperature-controlled precision, realize accurate temperature control, avoided scaling loss pan and panel.

Because the temperature-sensing probe assembly of the utility model electromagnetic oven includes slip cap, heat conduction cap, temperature-sensing probe, temperature-sensing probe device body and metal heat-conducting skin, heat conductive pad are installed in this slip cap endoporus, so just be easier to guarantee that the temperature of heat conduction cap passes to temperature-sensing probe quickly, and above-mentioned part manufacturing and install all very simple and cost is low.

Description of drawings

Below in conjunction with drawings and Examples the utility model electromagnetic oven is described further

Accompanying drawing is depicted as the utility model electromagnetic oven and removes the front view cross-sectional schematic behind the electronic devices and components in the body of heater.

1, body of heater, 2, panel, 3, fixture, 4, the temperature-sensing probe erection seat, 5, slip cap, 6, temperature-sensing probe, 7, the heat-conducting metal skin, 8, heat conductive pad, 9, the heat conduction cap, 10, temperature-sensing probe device body, 11, spring, 12, water-ring, 13, lead, 14, aqueduct.

The specific embodiment

As shown in the figure, panel (2) is installed on body of heater (1), for view can more clearly show inventive point of the present utility model, dispense the coil that is installed in the body of heater (1) in the accompanying drawings, electronic devices and components such as microcomputer control circuit, in order more clearly to describe inventive point of the present utility model, the coil that is installed in the body of heater (1) is not described in literal, electronic devices and components such as microcomputer control circuit, go up design at temperature-sensing probe erection seat (4) screw thread is arranged, fixture (3) is lower end and perisporium sealing, the version that the upper end is opened wide, also design has the screw thread that matches with temperature-sensing probe erection seat (4) on the inboard of fixture (3) perisporium, the temperature-sensing probe erection seat (4) that is installed on the panel (2) is fixing by fixture (3), in the endoporus of this temperature-sensing probe erection seat (4), be set with the temperature-sensing probe assembly, this temperature-sensing probe assembly temperature-sensing probe erection seat (4) relatively slides, the temperature-sensing probe assembly includes slip cap (5), the temperature-sensing probe assembly is slidingly connected by slip cap (5) and temperature-sensing probe erection seat (4) composition, heat conduction cap (9) and temperature-sensing probe device body (10) are installed in the endoporus of slip cap (5), upper end at temperature-sensing probe device body (10) has groove, metal heat-conducting skin (7) is the middle part and is annulus, the version that flank is arranged in the both sides of this annulus, temperature-sensing probe (6) is stuck in this annulus, temperature-sensing probe (6) is a thermistor, also can be with temperature-sensing elements such as thermocouples, temperature-sensing probe (6) is connected with microcomputer control circuit in being installed in body of heater (1) by lead (13), the annulus at metal heat-conducting skin (7) middle part is stuck in the groove of temperature-sensing probe device body (10) upper end, metal heat-conducting skin (7) is installed between heat conduction cap (9) and the temperature-sensing probe device body (10) by two flanks, between metal heat-conducting skin (7) two flanks and heat conduction cap (9) heat conductive pad (8) is installed.Slip cap (5), heat conduction cap (9), temperature-sensing probe device body (10), temperature-sensing probe (6), metal heat-conducting skin (7), heat conductive pad (8) and lead (13) are formed the temperature-sensing probe assembly.Spring (11) also is installed in the endoporus of this temperature-sensing probe erection seat (4), one end of this spring (11) contacts with the temperature-sensing probe assembly, the other end contacts with fixture (3) base plate, in the design of the middle part of fixture (3) base plate water-ring (12) is arranged, have the hole on fixture (3) base plate in water-ring (12), two lead-in wires of temperature-sensing probe (6) pass hole on temperature-sensing probe device body (10) and the fixture (3) and visit the system circuit with the electromagnetic oven micro computer in the body of heater (1) and be connected, have the hole on fixture (3) base plate outside water-ring (12), also design porosely on the base plate of body of heater (1) corresponding position, this two hole connects by aqueduct (14).Temperature-sensing probe erection seat (4), fixture (3), spring (11), water-ring (12) and temperature-sensing probe assembly are formed the temperature-sensing probe device.

Claims

1. electromagnetic oven, comprise body of heater (1), be installed in the panel (2) on the body of heater (1) and be installed in temperature-sensing probe device on the panel (2), this temperature-sensing probe device includes temperature-sensing probe erection seat (4) and is sleeved on temperature-sensing probe assembly in temperature-sensing probe erection seat (4) endoporus, temperature-sensing probe assembly temperature-sensing probe erection seat (4) relatively slides, spring (11) also is installed in the endoporus of temperature-sensing probe erection seat (4), one end of this spring (11) contacts with the temperature-sensing probe assembly, temperature-sensing probe erection seat (4) is installed in the temperature-sensing probe device in the hole of panel (2) with fixture (3), the temperature-sensing probe assembly includes temperature-sensing probe (6), lead (13), it is characterized in that: the temperature-sensing probe assembly also includes heat conduction cap (9), this heat conduction cap (9) is made with the good conductor of heat, be connected with temperature-sensing probe device body (10) by the below at heat conduction cap (9), between heat conduction cap (9) downside and temperature-sensing probe device body (10) upper end, temperature-sensing probe (6) be installed.

2. electromagnetic oven according to claim 1, it is characterized in that: between heat conduction cap (9) downside and temperature-sensing probe device body (10) upper end, metal heat-conducting skin (7) is installed, this metal heat-conducting skin (7) is the middle part and is annulus, the version that flank is arranged in the both sides of this annulus, temperature-sensing probe (6) is stuck in this annulus, and metal heat-conducting skin (7) is installed between heat conduction cap (9) and the temperature-sensing probe device body (10) by two flanks.

3. electromagnetic oven according to claim 1 is characterized in that: between heat conduction cap (9) and temperature-sensing probe device body (10) heat conductive pad (8) is installed, this heat conductive pad (8) is made by flexible Heat Conduction Material, and its downside contacts with temperature-sensing probe (6).

4. electromagnetic oven according to claim 2 is characterized in that: between heat conduction cap (9) and metal heat-conducting skin (7) heat conductive pad (8) is installed.

5. according to claim 1 or 2 or 3 or 4 described electromagnetic ovens, it is characterized in that: heat conduction cap (9) and temperature-sensing probe device body (10) are installed in the endoporus of slip cap (5), and slip cap (5) is installed in the endoporus of temperature-sensing probe erection seat (4).