CN103163908A

CN103163908A - Temperature correcting method of hot press

Info

Publication number: CN103163908A
Application number: CN2011104064600A
Authority: CN
Inventors: 季铭治; 林坤隆; 马诗军
Original assignee: YOUYANG CO Ltd
Current assignee: YOUYANG CO Ltd
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2013-06-19

Abstract

The invention aims to provide a temperature correcting method of a hot press. The temperature correcting method of the hot press can reduce correction errors and reaches a set temperature, namely, outputs a control target. The technical scheme includes that the temperature correcting method of the hot press is suitable for the hot press which comprises a control module, a welding head and a temperature sensing device. The temperature correcting method of the hot press is characterized by comprising the following steps: step 1 using the control module to input at least one temperature value, step 2 enabling the hot press to start machining and using a temperature control operation module in the control module to control the welding head to be heated after operation, step 3 receiving a current actual temperature value and sending the current actual temperature value to the control module through the temperature sensing device, step 4 according to the current actual temperature value, using a curve correction operation module in the control module to generate a temperature compensation value corresponding to the current actual temperature value after operation, step 5 according to the temperature compensation value, using the temperature control operation module again to control the welding head to be heated and enabling the temperature of the welding head to be close to or equal to the temperature set value after operation, and step 6 repeating the step 3 to step 5 until the hot press completes the machining.

Description

The hot press temperature correction method

Technical field

The present invention relates to a kind of hot press temperature correction method.

Background technology

After first intelligent mobile phone comes out, just changed the mankind's communication custom.

Someone can think that this burst agitation is that apple was delivered after iPhone and caused in 2007, and this unquestionable phenomenon is that Mobile Industry brings obvious power-assisted.

With the configuration of present intelligent mobile phone, be mostly the processor of double-core, and camera function has been basic outfit, and screen resolution surmounts the distinguishable minimum picture element of human eye.

Yet these are equipped with and do not represent intelligent mobile phone market without the space of innovation, and for market trend, relevant dealer still releases newly with saving up strength to start out and reforms.

But the back of innovation, just representing the progressive needs of processing aspect, wherein again with the progressive demand of hot press, the most important, because once in hot pressing processing, the too low situation of yield occurs, just easily allow whole cost improve, listing more easily occurs the problem such as delay, these problems are not that manufacturer finds pleasure in and sees.

Affect in the factor of hot press yield, the impact of soldering tip temperature, accounted for a very large part, as shown in Figure 1, the temperature correction mode of traditional hot press is the two point form linearity correction, see through with reference to this linearity correction line C, input temperature correction value A allows the temperature output valve DU of soldering tip 20, can be near desired temperature D1.

but, the tradition hot press is along with the difference of mechanism design mode difference and type of heating, and produced between desired temperature D1 and temperature output valve DU, to be a kind of nonlinear relationship, as shown in Figure 2, that is to say that temperature output valve DU is not equal to the upper corresponding desired temperature C1 of linearity correction line C, because temperature output valve DU can produce relation with heat-conduction coefficient curve K, this nonlinear relationship causes the difference B between the temperature output valve DU of desired temperature D1 and soldering tip 20, and this difference B can be greater than or less than temperature correction value A, thus, in the time of will causing hot pressing, heating not, or heat too much problem, allow the yield of hot pressing processing reduce.

In view of this, how to allow the reduction correction error, dwindle the difference between desired temperature and temperature output valve, solve the problem that nonlinear relationship causes, and then reach the target that promotes yield, just become the improved purpose of wish of the present invention.

Summary of the invention

One, technological means of the present invention:

The object of the invention is to provide a kind of can reduce correction error, and then reaches the hot press temperature correction method of the control target that Temperature Setting namely exports.

For solving foregoing problems and reaching purpose of the present invention, technological means of the present invention, it is a kind of hot press temperature correction method, be applicable to comprise at least one control module, at least one soldering tip that is electrically connected to control module, an and hot press of at least one temperature-sensing device that is electrically connected to control module, it is characterized in that the method comprises the following steps::

Step 1: the more than one at least desired temperature of application controls module input;

Step 2: allow hot press begin processing, by the temperature control algorithm module in control module, through after computing, control soldering tip and heat up;

Step 3: see through simultaneously temperature-sensing device, the current actual temperature value of back coupling soldering tip is to control module;

Step 4: according to aforesaid current actual temperature value, by the curvature correction computing module in control module, through after computing, produce the compensation temperature value corresponding to the current actual temperature value;

Step 5: use this compensation temperature value, then by temperature control algorithm module, through after computing, control soldering tip and heat up, to approach or to equal desired temperature; And

Step 6: repeating step three is to step 5, until hot press machines.

According to above-mentioned hot press temperature correction method, described curvature correction computing module, it is for seeing through the heat-conduction coefficient curve with reference to soldering tip, deciding the compensation temperature value.

Two, the effect of contrast prior art:

1. in the present invention, by this kind temperature correction mode, allow the reaction that the compensation temperature value can be real, difference between current actual temperature value and desired temperature, dwindle gap between the two, allow the formed temperature curve of current actual temperature value of soldering tip, more near desired temperature, because the temperature stabilization of soldering tip, thus, the effect during hot pressing just can need in more approaching processing, the effect of thermal compression welding can be better, can effectively promote the processing yield.

2. because the heat-conduction coefficient curve of soldering tip is neither identical, so by the curvature correction computing module, adjust the compensation temperature value according to the heat-conduction coefficient curve, the more effective appropriateness of energy makes application of the present invention and practicality better in desired temperature.

Description of drawings

Fig. 1: the temperature relation figure when traditional hot press is used linearity correction.

Fig. 2: the temperature relation figure of traditional hot press actual temperature.

Fig. 3: use the temperature relation figure when of the present invention.

Fig. 4: the schematic perspective view of the hot press that the present invention coordinated.

Fig. 5: schematic flow sheet of the present invention.

1 temperature control algorithm module B difference

2 curvature correction computing module C linearity correction lines

10 control module D1 desired temperatures

20 soldering tip D2 current actual temperature values

30 temperature-sensing device D3 compensation temperature values

100 hot press DU temperature output valves

A temperature correction value K heat-conduction coefficient curve

At least one desired temperature of I application controls module input

II allows hot press begin processing, by the temperature control algorithm module in control module, through after computing, controls soldering tip and heats up

III sees through temperature-sensing device simultaneously, and the current actual temperature value of back coupling soldering tip is to control module

IV by the curvature correction computing module in control module, through after computing, produces the compensation temperature value corresponding to the current actual temperature value according to aforesaid current actual temperature value

V uses this compensation temperature value, then by temperature control algorithm module, through after computing, controls soldering tip and heat up

VI repeating step three is to step 5, until hot press machines

Embodiment

Followingly be described in detail as follows according to the embodiment shown in drawing:

Be illustrated in figure 3 as the temperature relation figure that uses when of the present invention, be illustrated in figure 4 as the schematic perspective view of the hot press that the present invention coordinates, be illustrated in figure 5 as schematic flow sheet of the present invention.

Disclose in graphic, be a kind of hot press temperature correction method, be applicable to comprise at least one control module 10, at least one soldering tip 20 that is electrically connected to control module 10, an and hot press 100 of at least one temperature-sensing device 30 that is electrically connected to control module 10, it is characterized in that the method comprises the following steps::

Step 1 I: the application controls module 10 more than one at least desired temperature D1 of input;

Step 2 II: allow hot press 100 begin processing, by the temperature control algorithm module 1 in control module 10, through after computing, control soldering tip 20 and heat up;

Step 3 III: see through simultaneously temperature-sensing device 30, the current actual temperature value D2 of back coupling soldering tip 20 is to control module 10;

Step 4 IV: according to aforesaid current actual temperature value D2, by the curvature correction computing module 2 in control module 10, through after computing, produce the compensation temperature value D3 corresponding to current actual temperature value D2;

Step 5 V: use this compensation temperature value D3, then by temperature control algorithm module 1, through after computing, control soldering tip 20 and heat up, to approach or to equal desired temperature D1; And

Step 6 VI: repeating step three III are to step 5 V, until hot press 100 machines.

Wherein, the direction of research and development is the current actual temperature value D2 in response to soldering tip 20, and between the desired temperature D1 of board, produces nonlinear relationship, and traditional two point form linearity correction can not be satisfied its application, thus just with curvature correction computing module 2 as its correcting mode.

secondly, the mode of the two point form linearity correction that general traditional hot press uses, the difference of desired temperature D1 and temperature outlet chamber though can further, only still there is very big correction error, but after seeing through the method that adopts the present invention, can revise the difference of the temperature outlet chamber of desired temperature D1 and soldering tip 20, make compensation temperature value D3 more accurate, reduce correction error, and then reach the control target that desired temperature D1 is output temperature, after reaching this target, just not worrying having the too low or too high problem of temperature produces, also because so, more can promote the yield that hot pressing adds man-hour, defective products is reduced, allow whole cost.

Moreover, during input temp setting value D1, because the mode of the curvature correction computing of using so can input many group desired temperature D1, can be more than two groups, and wherein with five groups of desired temperature D1, is the number of applications of the best.

In above-mentioned, described curvature correction computing module 2, it is for seeing through the heat-conduction coefficient curve K with reference to soldering tip 20, deciding compensation temperature value D3.

Wherein, see through the reference of heat-conduction coefficient curve K, real the calculating of ability, how many temperature soldering tip 20 also needs to promote under this current actual temperature value D2, just can reach desired temperature D1, can further dwindle error.

Comprehensive the above, can learn that the present invention sees through the application of curvature correction computing module 2, make compensation temperature value D3 energy more accurate, reach the target that current actual temperature value D2 equals desired temperature D1, reduce fraction defective, compare the mode of conventional linear correction, have more application, practicality, effect and industry applications.

Embodiment shown in above foundation is graphic describes structure of the present invention, feature and action effect in detail, and owing to meeting novelty and progressive important document, the whence proposes application for a patent for invention in accordance with the law then; Only the above is only preferred embodiment of the present invention, but the present invention does not limit practical range with shown in drawing, and the modified that therefore such as conforms to intention of the present invention changes, and belongs in the scope of the claims of the present invention as long as all should contain in impartial scope.

Claims

1. hot press temperature correction method, be applicable to comprise at least one control module (10), at least one soldering tip (20) that is electrically connected to control module (10), and the hot press (100) of at least one temperature-sensing device (30) that is electrically connected to control module (10), it is characterized in that the method comprises the following steps::

Step 1 (I): application controls module (10) input more than one at least desired temperature (D1);

Step 2 (II): allow hot press (100) begin processing, by the temperature control algorithm module (1) in control module (10), through after computing, control soldering tip (20) and heat up;

Step 3 (III): see through simultaneously temperature-sensing device (30), the current actual temperature value (D2) of back coupling soldering tip (20) is to control module (10);

Step 4 (IV): according to aforesaid current actual temperature value (D2), by the curvature correction computing module (2) in control module (10), through after computing, produce the compensation temperature value (D3) corresponding to current actual temperature value (D2);

Step 5 (V): use this compensation temperature value (D3), then by temperature control algorithm module (1), through after computing, control soldering tip (20) and heat up, to approach or to equal desired temperature (D1); And

Step 6 (VI): repeating step three (III) is to step 5 (V), until hot press (100) machines.

2. hot press temperature correction method as claimed in claim 1 is characterized in that: described curvature correction computing module (2), it is for seeing through the heat-conduction coefficient curve (K) with reference to soldering tip (20), deciding compensation temperature value (D3).