JPH0252287B2 - - Google Patents
Info
- Publication number
- JPH0252287B2 JPH0252287B2 JP56144793A JP14479381A JPH0252287B2 JP H0252287 B2 JPH0252287 B2 JP H0252287B2 JP 56144793 A JP56144793 A JP 56144793A JP 14479381 A JP14479381 A JP 14479381A JP H0252287 B2 JPH0252287 B2 JP H0252287B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- temperature
- developer
- fixer
- heater
- 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 - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000020169 heat generation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Description
【発明の詳細な説明】
従来、現像装置における現像液と定着液の温度
を制御するには、両液のタンク毎に、個別の温度
制御装置、例えば熱交換タンクを取付けて、個々
に制御するようにしたものと、現像液タンクにヒ
ーターを備える熱交換タンクを接続し、この熱交
換タンクに、現像液を通すとともに、定着液用熱
交換コイルをも通して、両液の温度を調節するよ
うにしたものとがある。DETAILED DESCRIPTION OF THE INVENTION Conventionally, in order to control the temperatures of a developer and a fixer in a developing device, separate temperature control devices, such as heat exchange tanks, are attached to each tank of both solutions and the temperatures are controlled individually. A heat exchange tank equipped with a heater is connected to the developer tank, and the developer is passed through this heat exchange tank as well as a fixer heat exchange coil to adjust the temperature of both solutions. There are some that are made like this.
しかし、前者においては、温度制御装置を２組
必要とするため、当然、価格面並びに占守空間面
において不利である。また後者においては、定着
液は、循環をくりかえしながら、加温された現像
液により徐々に加熱されることになるので、特に
冬期等においては、定着液の加温に相当の時間を
要するという不利がある。 However, the former requires two sets of temperature control devices, which is naturally disadvantageous in terms of cost and space occupied. In addition, in the latter method, the fixer is gradually heated by the heated developer while being circulated repeatedly, so it has the disadvantage that it takes a considerable amount of time to warm up the fixer, especially in winter. There is.
本発明は、単一の制御装置をもつて、複数の処
理液タンク内の液温を、それぞれ所要に保たせる
ようにすることにより、前記した従来の温度制御
方法における欠点を除去するようにしたものであ
る。 The present invention eliminates the drawbacks of the conventional temperature control methods described above by using a single control device to maintain the respective liquid temperatures in a plurality of processing liquid tanks at desired levels. It is something.
以下、図面に基いて、本発明の実施要領を説明
する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS The implementation of the present invention will be explained below based on the drawings.
１は現像液タンクで、その底部付近には電気式
パネルヒーター２が、そのやや上方には温度セン
サー３が設けられている。 Reference numeral 1 denotes a developer tank, in which an electric panel heater 2 is provided near the bottom, and a temperature sensor 3 is provided slightly above it.
４は定着液タンクで、その底部付近には電気式
パネルヒーター５が設けられている。 4 is a fixer tank, and an electric panel heater 5 is provided near the bottom of the tank.
６は温度制御装置で、前記温度センサー３の検
知温度に応じて、両パネルヒーター２，５を、同
時ON／OFFするようになつている。 Reference numeral 6 denotes a temperature control device which simultaneously turns on and off both panel heaters 2 and 5 according to the temperature detected by the temperature sensor 3.
しかして、両パネルヒーター２，５の発熱比
は、各タンク１，４における液量比と、各タンク
１，４内の液体に要求される温度比との積に、ほ
ぼ等しく定めてある。 Therefore, the heat generation ratio of both panel heaters 2 and 5 is determined to be approximately equal to the product of the liquid volume ratio in each tank 1 and 4 and the temperature ratio required for the liquid in each tank 1 and 4.
従つて、タンク１内の現像液の温度は、常に温
度センサー３により検知され、温度制御装置６に
よるパネルヒーター２のON／OFF制御により、
所望の一定値に保たれる。かつ、一方では、タン
ク４内の定着液の温度も、定着液量及び所要液温
に応じて発熱量が設定されているパネルヒーター
５を、現像液の温度制御に連動させて、同時に
ON／OFF制御することにより、現像液の温度に
対応した所望の値に保たれる。 Therefore, the temperature of the developer in the tank 1 is always detected by the temperature sensor 3, and the temperature control device 6 controls the panel heater 2 on/off.
is kept at a desired constant value. On the other hand, the temperature of the fixer in the tank 4 can also be controlled at the same time by linking the panel heater 5, whose calorific value is set according to the amount of fixer and the required liquid temperature, with the temperature control of the developer.
By controlling ON/OFF, it is maintained at a desired value corresponding to the temperature of the developer.
このように本発明によれば、現像液の温度制御
装置をもつて、現像液タンク及び定着液タンク内
の各ヒーターをON／OFF制御するため、各液の
温度を、それぞれ各ヒーターの発熱比に応じた一
定の相関関係にある所望の値に保持することがで
きるので、従来のものに比し、価格的並びに占守
空間的に有利である。 As described above, according to the present invention, in order to control ON/OFF of each heater in the developer tank and the fixer tank using the developer temperature control device, the temperature of each solution is controlled by the heat generation ratio of each heater. Since it can be maintained at a desired value that has a certain correlation depending on the value, it is advantageous in terms of cost and occupied space compared to conventional ones.
図は、本発明方法の実施要領を説明するための
回路図である。
１…現像液タンク、２…電気式パネルヒータ
ー、３…温度センサー、４…定着液タンク、５…
電気式パネルヒーター、６…温度制御装置。
The figure is a circuit diagram for explaining the implementation procedure of the method of the present invention. 1...Developer tank, 2...Electric panel heater, 3...Temperature sensor, 4...Fixer tank, 5...
Electric panel heater, 6...Temperature control device.
Claims (1)
ーを付設するとともに、現像タンクに配設した温
度センサーの出力に基づいて、前記各ヒーターを
同時にON／OFF制御する単一の温度制御装置を
設け、さらに、各タンク内の液量比と、各タンク
内の液体に要求される温度比に応じて、前記各タ
ンクに付設されたヒーターの出力を、所要の比率
に設定したことを特徴とする現像装置における現
像液と定着液の液温制御方法。1. A heater is attached to each of the developing tank and the fixing tank, and a single temperature control device is provided to simultaneously control ON/OFF of each of the heaters based on the output of a temperature sensor installed in the developing tank, and further, In the developing device, the output of the heater attached to each tank is set to a required ratio according to the liquid volume ratio in each tank and the temperature ratio required for the liquid in each tank. Method for controlling the temperature of developer and fixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56144793A JPS5848113A (en) | 1981-09-16 | 1981-09-16 | Controlling method for liquid temperature in plural tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56144793A JPS5848113A (en) | 1981-09-16 | 1981-09-16 | Controlling method for liquid temperature in plural tanks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5848113A JPS5848113A (en) | 1983-03-22 |
| JPH0252287B2 true JPH0252287B2 (en) | 1990-11-13 |
Family
ID=15370578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56144793A Granted JPS5848113A (en) | 1981-09-16 | 1981-09-16 | Controlling method for liquid temperature in plural tanks |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0456083A (en) * | 1990-06-21 | 1992-02-24 | Nec Corp | Coaxial connector |
-
1981
- 1981-09-16 JP JP56144793A patent/JPS5848113A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0456083A (en) * | 1990-06-21 | 1992-02-24 | Nec Corp | Coaxial connector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5848113A (en) | 1983-03-22 |
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