CN207351188U - Drying box overtemperature protection system in a kind of PCBA processing procedures - Google Patents
Drying box overtemperature protection system in a kind of PCBA processing procedures Download PDFInfo
- Publication number
- CN207351188U CN207351188U CN201721362697.2U CN201721362697U CN207351188U CN 207351188 U CN207351188 U CN 207351188U CN 201721362697 U CN201721362697 U CN 201721362697U CN 207351188 U CN207351188 U CN 207351188U
- Authority
- CN
- China
- Prior art keywords
- drying box
- controller
- electronic switch
- temperature sensor
- box body
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Abstract
The utility model discloses drying box overtemperature protection system in a kind of PCBA processing procedures, it is related to PCBA manufactured articles technical fields；Contactor part power cutoff mechanism is installed, contactor part power cutoff mechanism is connected with heater circuit plate on the side wall of drying box body；Temperature sensor is installed on the heating cabinet side wall of drying box body, temperature sensor is connected by the input terminal of conducting wire and controller, the output terminal of controller and the control terminal of electronic switch connect, one connecting pole of main power source module and electronic switch connects, the power end with controller, the power supply board of drying box body are connected another connecting pole of electronic switch respectively, and the storage end of controller is connected with memory；The utility model is easy to implement temperature detection and is powered off with complete machine, improves security, easy to operate, efficient.
Description
Technical field：
Drying box overtemperature protection system in a kind of PCBA processing procedures is the utility model is related to, belongs to PCBA manufactured articleses technology neck
Domain.
Background technology：
Existing drying box overtemperature protection system controls local power-off by contactor, and there are during overtemperature, contacts of contactor is not
The risk of disconnection, consequence caused by this risk are that drying box temperature is uncontrolled, can continue to be heated to specified maximum temperature,
And then cause pcb board in drying box to damage, fire may be caused when more serious.
Utility model content：
To be overheated in view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide drying box in a kind of PCBA processing procedures
Protective device.
Drying box overtemperature protection system in a kind of PCBA processing procedures of the utility model, it includes drying box body, contactor
Local power cutoff mechanism, is provided with contactor part power cutoff mechanism on the side wall of drying box body, contactor part power cutoff mechanism with
Heater circuit plate connects；It is also comprising temperature sensor, controller, electronic switch, main power source module, memory；Temperature sensing
Device is installed on the heating cabinet side wall of drying box body, and temperature sensor is connected by the input terminal of conducting wire and controller, control
The output terminal of device and the control terminal of electronic switch connect, and a connecting pole of main power source module and electronic switch connects, electronic switch
Another connecting pole the power end with controller, the power supply board of drying box body are connected respectively, the storage end of controller and storage
Device connects.
Preferably, the temperature sensor is probe-type temperature sensor.
Preferably, the controller is PLC intelligent controllers.
Compared with prior art, the beneficial effects of the utility model are：It is easy to implement temperature detection to power off with complete machine, improves
Security, it is easy to operate, it is efficient.
Brief description of the drawings：
For ease of explanation, the utility model is described in detail by following specific implementations and attached drawing.
Fig. 1 is the structure diagram of the utility model.
In figure：1- drying box bodies；2- contactor part power cutoff mechanisms；3- temperature sensors；4- controllers；5- electronic cuttings
Close；6- main power source modules；7- memories.
Embodiment：
To make the objectives, technical solutions and advantages of the present invention clearer, below by showing in attached drawing
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With new scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily mixing
Confuse the concept of the utility model.
As shown in Figure 1, present embodiment uses following technical scheme：It is local that it includes drying box body 1, contactor
Power cutoff mechanism 2, is provided with contactor part power cutoff mechanism 2 on the side wall of drying box body 1, contactor part power cutoff mechanism 2 with
Heater circuit plate connects；It is also comprising temperature sensor 3, controller 4, electronic switch 5, main power source module 6, memory 7；Temperature
Sensor 3 is installed on the heating cabinet side wall of drying box body 1, and temperature sensor 3 is connected by the input terminal of conducting wire and controller 4
Connect, the output terminal of controller 4 is connected with the control terminal of electronic switch 5, and main power source module 6 and a connecting pole of electronic switch 5 connect
Connect, the power end with controller 4, the power supply board of drying box body 1 are connected another connecting pole of electronic switch 5 respectively, controller 4
Storage end be connected with memory 7.
Further, the temperature sensor 3 is probe-type temperature sensor.
Further, the controller 4 is PLC intelligent controllers.
The operation principle of present embodiment is：Increase overheat on the basis of existing overtemperature protection system locally power-off
Complete machine power down function, so that reaching prevents pcb board from damaging, eliminates the purpose of fire hazard.Using in locally power-off front end installation
Complete machine breaker device, complete machine breaker device temperature setting is higher than local about 10~20 DEG C of breaker device temperature setting, when locally disconnected
After electric installation failure, complete machine breaker device can provide protection, so as to reach protective effect.Mainly examined by temperature sensor 3
Testing temperature, when temperature reaches the peak of setting value, controller receives signal, it controls electronic switch to disconnect so that complete machine
Powered off, while alarm can be installed as needed, when integrally powering off, alarm is realized by storage battery power supply and alarmed；
The model siemens PLC series of PLC controller of controller.
In the description of the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two
The interaction relationship of connection or two elements inside element.For the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in the utility model.
The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing
Record can carry out customized, the specific connection mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional means such as connect, machinery, part and equipment are using in the prior art, conventional model, plus circuit connection using existing
Conventional connection mode in technology, this will not be detailed here.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
1. drying box overtemperature protection system in a kind of PCBA processing procedures, it includes drying box body, contactor part power cutoff mechanism, does
Contactor part power cutoff mechanism is installed, contactor part power cutoff mechanism is connected with heater circuit plate on the side wall of dry case body；
It is characterized in that：It is also comprising temperature sensor, controller, electronic switch, main power source module, memory；Temperature sensor is pacified
On the heating cabinet side wall of drying box body, temperature sensor is connected by the input terminal of conducting wire and controller, controller
The control terminal of output terminal and electronic switch connects, and a connecting pole of main power source module and electronic switch connects, electronic switch it is another
The power end with controller, the power supply board of drying box body are connected one connecting pole respectively, and storage end and the memory of controller connect
Connect.
2. drying box overtemperature protection system in a kind of PCBA processing procedures according to claim 1, it is characterised in that：The temperature
Sensor is probe-type temperature sensor.
3. drying box overtemperature protection system in a kind of PCBA processing procedures according to claim 1, it is characterised in that：The control
Device is PLC intelligent controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362697.2U CN207351188U (en) | 2017-10-20 | 2017-10-20 | Drying box overtemperature protection system in a kind of PCBA processing procedures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362697.2U CN207351188U (en) | 2017-10-20 | 2017-10-20 | Drying box overtemperature protection system in a kind of PCBA processing procedures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351188U true CN207351188U (en) | 2018-05-11 |
Family
ID=62355219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362697.2U Expired - Fee Related CN207351188U (en) | 2017-10-20 | 2017-10-20 | Drying box overtemperature protection system in a kind of PCBA processing procedures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351188U (en) |
-
2017
- 2017-10-20 CN CN201721362697.2U patent/CN207351188U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180511 Termination date: 20211020 |