CN203014771U - Circuit module for heat allocating device - Google Patents
Circuit module for heat allocating device Download PDFInfo
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- CN203014771U CN203014771U CN 201320007804 CN201320007804U CN203014771U CN 203014771 U CN203014771 U CN 203014771U CN 201320007804 CN201320007804 CN 201320007804 CN 201320007804 U CN201320007804 U CN 201320007804U CN 203014771 U CN203014771 U CN 203014771U
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- 230000005540 biological transmission Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
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- 241001269238 Data Species 0.000 description 1
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- 238000013016 damping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 230000005144 thermotropism Effects 0.000 description 1
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Abstract
The utility model discloses a circuit module for a heat allocating device, comprising a main chip circuit. The main chip circuit is a one-chip microcomputer; the main chip circuit is connected with a power supply interface circuit, an RS-232 interface converting circuit, an indicating lamp circuit, an MBUS device circuit, a built-in storage circuit, a button circuit, a serial port interface circuit, an MAX 485-to-serial port circuit, an ESAM circuit, an ESAM clock generation circuit, a pin interface circuit, an on-line programming interface circuit and a wireless communication chip circuit, wherein the main chip circuit is also connected with an external storage circuit, and the external storage circuit comprises a USB power supply control circuit, a USB interface circuit, an SD card power supply control circuit, a TF card interface circuit and an SD card interface circuit. According to the circuit module for the heat allocating device, wireless communication management to the circuit module and support for an external storage element are achieved.
Description
Technical field
The utility model relates to a kind of circuit module, relates in particular to be used in heat and to share circuit module on device.
Background technology
It is Thermal Corp's commonly used a kind of device in heat distribution pipeline that heat is shared device, is used for realizing the control to heat.In order to guarantee the safety of heat distribution data, existing heat is shared device and has mostly been used special-purpose ESAM safety chip to be encrypted transmission to the data in heat distributor, and the transfer of data in showing by multiple industrial bus is to external mechanical.
But existing heat is shared device and all do not fully take into account the needs of on-site maintenance on circuit design, the maintenance personal is when heat distributor is on-the-spot, if need the data in his-and-hers watches read or input new management code instruction etc. in distributor table tool, also need to operate by long-range host computer or management system, increased the complexity of care and maintenance.
The utility model content
Defective for prior art, the utility model provides a kind of heat to share the device circuit module, sharing device with existing heat compares, this circuit module has additionally increased exterior storage and has controlled and interface, can realize reading of USB device, TF card, SD card, and can pass through wireless way for transmitting data, expand hot transmission means of sharing the data in device, be convenient to on-site maintenance and control.
For achieving the above object, the utility model is achieved through the following technical solutions:
heat is shared the device circuit module, comprise the master chip circuit, be connected with power interface circuit on the master chip circuit, the RS-232 interface change-over circuit, indicator light circuit, the MBUS device circuitry, built-in memory circuit, key circuit, the serial interface circuit, MAX485 turns serial port circuit, the ESAM circuit, the ESAM clock generation circuit, the pin interface circuit, the online programming interface circuit, the wireless telecommunications chip circuit, wherein also be connected with external memory circuit on the master chip circuit, described external memory circuit comprises USB power control circuit and usb circuit, SD card power control circuit and TF card interface circuit, the SD card interface circuit.
in the foregoing circuit module, the master chip circuit is used for controlling the work of whole circuit, power interface circuit is used for power taking provides electric power for circuit, the RS-232 interface change-over circuit is used for realizing the level conversion of TTL and RS232 serial ports, indicator light circuit is used for showing hot running status of sharing device, built-in memory circuit is used for storage heat and shares device internal data or instruction, key circuit is used for corresponding operating personnel's actuation of keys, the serial interface circuit is used for providing directly providing the serial data transfer function for particular device, the ESAM circuit is used for encryption and decryption to data in the thermostat table to guarantee data security, the ESAM clock generation circuit is used to the ESAM chip clocking of ESAM circuit, the MBUS device circuitry can be shared heat in device data and be realized long Distance Transmission via the MBUS bus, the online programming interface circuit is used for host computer the code that moves on the master chip circuit is modified, rewrite or deletion, pin interface is used for completing data when thermotropism is shared the interior insertion of device smart card and reads, MAX485 turns serial port circuit and transfers TTL to 485 serial ports for doing 485 bus communications, data in the wireless telecommunications chip circuit is used for showing send or receive the outside instruction that transmits with wireless mode, USB power control circuit wherein is used for controlling the power supply of circumscribed USB equipment, usb circuit is used for the access USB device, the TF card interface circuit, the SD card interface circuit is respectively used to access the TF card, the SD card, SD card power control circuit is used for controlling the TF card, SD card power supply supply (TF, SD is consistent in the electrical layer parameter, can share).
Wherein, described power interface circuit is connected to outside 12V DC power supply, power interface circuit be provided with rectifier bridge, fuse, voltage stabilizing chip with voltage surely at 5.0V, provide stable operating voltage to operating voltage for the external memory circuit of 5V; And be connected with pressurizer and obtain 3.3V voltage, for the master chip circuit provides trouble free service voltage.
By said structure, adopt rectifier bridge can allow power interface need not distinguish both positive and negative polarity, increase fuse, the protection device element is not burned.
Wherein, described RS-232 interface change-over circuit is four the tunnel and connects, and four road RS-232 bus data transmission can be provided.
Wherein, described indicator light circuit is multichannel and connects, and every road indicator light can be used for showing that heat share the operating state of the inner logical parts of device, such as mains switch, valve switch etc.
Wherein, described built-in memory circuit comprises the FLASH storage chip of two-way SPI interface, adopts SPI interface data step-by-step transmission, and high-order low level is full-duplex communication rear front, and data transmission bauds is fast, can store a large amount of instruction and datas.
Wherein, described key circuit adopts multichannel RC circuit and connects, and by connecing over the ground an electric capacity, makes the Alternating Component in circuit enter ground by electric capacity, works more stable; By access resistance, play damping action, avoid causing vibration, can effectively prevent key jitter.
Wherein, USART serial port circuit and LCM serial port circuit that described serial interface circuit comprises and connects are used for directly providing the transfer of data support for USART module, LCM module.To those skilled in the art, USART, LCM are known, and USART is a full duplex universal synchronous/asynchronous serial transceiver module, and this interface is the serial communication device of a high flexible; LCM is single-chip microcomputer liquid crystal display serial ports, only is used for transmitting showing that ascii character and 8 users can customize character.
Wherein, described ESAM circuit is provided with triode, is used for controlling the power supply to the ESAM chip.
Wherein, described wireless telecommunications chip circuit adopts the RF102 module, is used for realizing the wireless receiving and dispatching of data.
Wherein, described online programming interface circuit adopts the JTAG mouth, and JTAG is the standard industry interface, can realize the read-write to data inside chips.
Description of drawings
Fig. 1 is that the utility model heat is shared device circuit modular structure schematic diagram;
Fig. 2 a-2s is circuit module circuit element circuit diagram used.
Embodiment
with reference to figure 1, heat of the present utility model is shared the device circuit module, comprise the master chip circuit, be connected with power interface circuit on the master chip circuit, the RS-232 interface change-over circuit, indicator light circuit, the MBUS device circuitry, built-in memory circuit, key circuit, the serial interface circuit, MAX485 turns serial port circuit, the ESAM circuit, the ESAM clock generation circuit, the pin interface circuit, the online programming interface circuit, the wireless telecommunications chip circuit, wherein also be connected with USB power control circuit and usb circuit on the master chip circuit, SD card power control circuit and TF card interface circuit, the SD card interface circuit.
With reference to figure 2a, power interface circuit uses the access of 12V DC power supply, adopts rectifier bridge can allow power interface need not distinguish both positive and negative polarity, increases fuse, and the protection device element is not burned.Adopt again LT1117 voltage stabilizing chip with voltage surely at 5.0V, provide stable operating voltage for the device of 5V for the ancillary equipment operating voltage.Obtain 3.3V through the MD5333 pressurizer again, for the single-chip microcomputer master chip provides trouble free service voltage.(5v of MD5333 terminates to the 5v output of LT1117 in accompanying drawing 2a, and connecting line generally is made in circuit board, and is not shown).
With reference to figure 2b, be two parallel USB control circuits, wherein field effect transistor SI2301 is used for protective circuit, prevents high pressure and burns out the USB external equipment, and the PNP triode is made the USB switch, and triode 8050 is used for the break-make of control circuit.
With reference to figure 2c, usb circuit is AB type 5P miniusb socket, is used for access miniusb equipment (adopting the socket of other types, as microusb, general usb principle, herein only for giving an example).
With reference to figure 2d, the RS-232 interface change-over circuit by the MAX3232 level transferring chip the electric circuit constitute of four tunnel parallel connections, is realized the TTL-RS232 conversion.
With reference to figure 2e, built-in memory circuit is comprised of the storage chip of two-way SPI interface, is respectively AT45DB161D storage chip, S25FL128 storage chip.
With reference to figure 2f, indicator light circuit is composed in parallel by six paths of LEDs, and different LED represents hot operating state of sharing the different parts of device.
With reference to figure 2g, the MBUS device circuitry is used for heat distributor is connected with the MBUS Industry Standard Architecture, realizes the external transmission of data.
With reference to figure 2h, key circuit is three groups of case S1, S2, S3, adopts series connection RC circuit (capacitor C 13 and resistance R 36, capacitor C 14 and resistance R 34, capacitor C 15 and resistance R 35) can prevent key jitter.
With reference to figure 2i, the serial interface circuit is many groups, is illustrated as two groups of LCM serial ports, is used for connecing external LCM display module, and the USART3 serial ports is used for connecing the USART serial device.
With reference to figure 2j, the TF card interface circuit is used for inserting the TF card, and the TF card is carried out read-write operation.
With reference to figure 2k, MAX485 turns serial port circuit and adopts the MAX485 chip to transfer single-chip microcomputer TTL to 485 serial ports, does 485 bus communications.
With reference to figure 2l, the ESAM circuit can provide for ESAM chip U2 the power supply of two kinds of different magnitudes of voltage, and can control with triode Q10 the switch of ESAM chip U2 power supply.
With reference to figure 2m, the ESAM clock generation circuit provides stable operating frequency by U33 (any clock crystal oscillator chip all can, herein only for code name) for ESAM clock ECLK.
With reference to figure 2n, the SD card interface circuit is used for access and meets SD card, the mmc card of SD card standard, and it is read and write.
With reference to figure 2o, SD card power control circuit is realized the power supply of SD, TF is controlled by field effect transistor SI2301.
With reference to figure 2p, the pin interface circuit is used for and is connected the smart card that heat shares in device and realizes that stitch connects (wherein resistance used is 10K), to read and write its data.
With reference to figure 2q, the online programming interface circuit adopts existing erasable to the built-in storage chip data of JTAG cause for gossip, is used for host computer the program on the master chip circuit is modified or rewritten.
With reference to figure 2r, the wireless telecommunications chip circuit adopts the RF102 module, and RF102 wireless two-way transport module has been integrated the function of high-performance wireless transmission circuit, realizes the function of high speed data transfer with special small size.
With reference to figure 2s, the master chip circuit adopts the STM32F107VCT6 single-chip microcomputer, controls the work of whole circuit, and this processor has good operational capability, and energy consumption is low, is easy to exploitation.
Claims (10)
1. heat is shared the device circuit module, it is characterized in that comprising the master chip circuit, be connected with power interface circuit on the master chip circuit, the RS-232 interface change-over circuit, indicator light circuit, the MBUS device circuitry, built-in memory circuit, key circuit, the serial interface circuit, MAX485 turns serial port circuit, the ESAM circuit, the ESAM clock generation circuit, the pin interface circuit, the online programming interface circuit, the wireless telecommunications chip circuit, wherein also be connected with external memory circuit on the master chip circuit, described external memory circuit comprises USB power control circuit and usb circuit, SD card power control circuit and TF card interface circuit, the SD card interface circuit.
2. heat according to claim 1 is shared the device circuit module, it is characterized in that described power interface circuit is connected to outside 12V DC power supply, power interface circuit be provided with rectifier bridge, fuse, voltage stabilizing chip with voltage surely at 5.0V, provide stable operating voltage to operating voltage for the external memory circuit of 5V; And be connected with pressurizer and obtain 3.3V voltage, for the master chip circuit provides trouble free service voltage.
3. heat according to claim 1 is shared the device circuit module, it is characterized in that described RS-232 interface change-over circuit is four the tunnel and connects.
4. heat according to claim 1 is shared the device circuit module, it is characterized in that described indicator light circuit is multichannel and connects.
5. heat according to claim 1 is shared the device circuit module, it is characterized in that described built-in memory circuit comprises the FLASH storage chip of two-way SPT interface.
6. heat according to claim 1 is shared the device circuit module, it is characterized in that described key circuit adopts multichannel RC circuit and connects.
7. heat according to claim 1 is shared the device circuit module, it is characterized in that USART serial port circuit and LCM serial port circuit that described serial interface circuit comprises and connects.
8. heat according to claim 1 is shared the device circuit module, it is characterized in that described ESAM circuit is provided with triode, is used for controlling the power supply to the ESAM chip.
9. heat according to claim 1 is shared the device circuit module, it is characterized in that described wireless telecommunications chip circuit adopts the RF102 module.
10. heat according to claim 1 is shared the device circuit module, it is characterized in that described online programming interface circuit adopts the JTAG mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007804 CN203014771U (en) | 2013-01-08 | 2013-01-08 | Circuit module for heat allocating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007804 CN203014771U (en) | 2013-01-08 | 2013-01-08 | Circuit module for heat allocating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014771U true CN203014771U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320007804 Expired - Fee Related CN203014771U (en) | 2013-01-08 | 2013-01-08 | Circuit module for heat allocating device |
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| Country | Link |
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| CN (1) | CN203014771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681787A (en) * | 2017-11-14 | 2018-02-09 | 河北新大长远电力科技股份有限公司 | A kind of communicating circuit based on serial ports parallel connection |
-
2013
- 2013-01-08 CN CN 201320007804 patent/CN203014771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681787A (en) * | 2017-11-14 | 2018-02-09 | 河北新大长远电力科技股份有限公司 | A kind of communicating circuit based on serial ports parallel connection |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130619 Termination date: 20170108 |